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| author | Michał Cichoń <michcic@gmail.com> | 2015-08-25 19:56:24 +0200 |
|---|---|---|
| committer | Michał Cichoń <michcic@gmail.com> | 2015-08-25 19:56:24 +0200 |
| commit | 682f23e7bb4a52bedf46eff5c4859e1308eda124 (patch) | |
| tree | 30ad4f37b434ecdfb5edc36dfbaf7fc924e53c0e /polarssl/src/library | |
| parent | 8b41fc907bcd27d24c895062ae8a61b305fc2d46 (diff) | |
| download | pianobar-windows-build-682f23e7bb4a52bedf46eff5c4859e1308eda124.tar.gz pianobar-windows-build-682f23e7bb4a52bedf46eff5c4859e1308eda124.tar.bz2 pianobar-windows-build-682f23e7bb4a52bedf46eff5c4859e1308eda124.zip | |
Update build ref
Diffstat (limited to 'polarssl/src/library')
40 files changed, 0 insertions, 27111 deletions
diff --git a/polarssl/src/library/aes.c b/polarssl/src/library/aes.c deleted file mode 100644 index 2f52202..0000000 --- a/polarssl/src/library/aes.c +++ /dev/null @@ -1,1346 +0,0 @@ -/* - * FIPS-197 compliant AES implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The AES block cipher was designed by Vincent Rijmen and Joan Daemen. - * - * http://csrc.nist.gov/encryption/aes/rijndael/Rijndael.pdf - * http://csrc.nist.gov/publications/fips/fips197/fips-197.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_AES_C) - -#include "polarssl/aes.h" -#include "polarssl/padlock.h" - -/* - * 32-bit integer manipulation macros (little endian) - */ -#ifndef GET_ULONG_LE -#define GET_ULONG_LE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] ) \ - | ( (unsigned long) (b)[(i) + 1] << 8 ) \ - | ( (unsigned long) (b)[(i) + 2] << 16 ) \ - | ( (unsigned long) (b)[(i) + 3] << 24 ); \ -} -#endif - -#ifndef PUT_ULONG_LE -#define PUT_ULONG_LE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \ -} -#endif - -#if defined(POLARSSL_PADLOCK_C) -static int aes_padlock_ace = -1; -#endif - -#if defined(POLARSSL_AES_ROM_TABLES) -/* - * Forward S-box - */ -static const unsigned char FSb[256] = -{ - 0x63, 0x7C, 0x77, 0x7B, 0xF2, 0x6B, 0x6F, 0xC5, - 0x30, 0x01, 0x67, 0x2B, 0xFE, 0xD7, 0xAB, 0x76, - 0xCA, 0x82, 0xC9, 0x7D, 0xFA, 0x59, 0x47, 0xF0, - 0xAD, 0xD4, 0xA2, 0xAF, 0x9C, 0xA4, 0x72, 0xC0, - 0xB7, 0xFD, 0x93, 0x26, 0x36, 0x3F, 0xF7, 0xCC, - 0x34, 0xA5, 0xE5, 0xF1, 0x71, 0xD8, 0x31, 0x15, - 0x04, 0xC7, 0x23, 0xC3, 0x18, 0x96, 0x05, 0x9A, - 0x07, 0x12, 0x80, 0xE2, 0xEB, 0x27, 0xB2, 0x75, - 0x09, 0x83, 0x2C, 0x1A, 0x1B, 0x6E, 0x5A, 0xA0, - 0x52, 0x3B, 0xD6, 0xB3, 0x29, 0xE3, 0x2F, 0x84, - 0x53, 0xD1, 0x00, 0xED, 0x20, 0xFC, 0xB1, 0x5B, - 0x6A, 0xCB, 0xBE, 0x39, 0x4A, 0x4C, 0x58, 0xCF, - 0xD0, 0xEF, 0xAA, 0xFB, 0x43, 0x4D, 0x33, 0x85, - 0x45, 0xF9, 0x02, 0x7F, 0x50, 0x3C, 0x9F, 0xA8, - 0x51, 0xA3, 0x40, 0x8F, 0x92, 0x9D, 0x38, 0xF5, - 0xBC, 0xB6, 0xDA, 0x21, 0x10, 0xFF, 0xF3, 0xD2, - 0xCD, 0x0C, 0x13, 0xEC, 0x5F, 0x97, 0x44, 0x17, - 0xC4, 0xA7, 0x7E, 0x3D, 0x64, 0x5D, 0x19, 0x73, - 0x60, 0x81, 0x4F, 0xDC, 0x22, 0x2A, 0x90, 0x88, - 0x46, 0xEE, 0xB8, 0x14, 0xDE, 0x5E, 0x0B, 0xDB, - 0xE0, 0x32, 0x3A, 0x0A, 0x49, 0x06, 0x24, 0x5C, - 0xC2, 0xD3, 0xAC, 0x62, 0x91, 0x95, 0xE4, 0x79, - 0xE7, 0xC8, 0x37, 0x6D, 0x8D, 0xD5, 0x4E, 0xA9, - 0x6C, 0x56, 0xF4, 0xEA, 0x65, 0x7A, 0xAE, 0x08, - 0xBA, 0x78, 0x25, 0x2E, 0x1C, 0xA6, 0xB4, 0xC6, - 0xE8, 0xDD, 0x74, 0x1F, 0x4B, 0xBD, 0x8B, 0x8A, - 0x70, 0x3E, 0xB5, 0x66, 0x48, 0x03, 0xF6, 0x0E, - 0x61, 0x35, 0x57, 0xB9, 0x86, 0xC1, 0x1D, 0x9E, - 0xE1, 0xF8, 0x98, 0x11, 0x69, 0xD9, 0x8E, 0x94, - 0x9B, 0x1E, 0x87, 0xE9, 0xCE, 0x55, 0x28, 0xDF, - 0x8C, 0xA1, 0x89, 0x0D, 0xBF, 0xE6, 0x42, 0x68, - 0x41, 0x99, 0x2D, 0x0F, 0xB0, 0x54, 0xBB, 0x16 -}; - -/* - * Forward tables - */ -#define FT \ -\ - V(A5,63,63,C6), V(84,7C,7C,F8), V(99,77,77,EE), V(8D,7B,7B,F6), \ - V(0D,F2,F2,FF), V(BD,6B,6B,D6), V(B1,6F,6F,DE), V(54,C5,C5,91), \ - V(50,30,30,60), V(03,01,01,02), V(A9,67,67,CE), V(7D,2B,2B,56), \ - V(19,FE,FE,E7), V(62,D7,D7,B5), V(E6,AB,AB,4D), V(9A,76,76,EC), \ - V(45,CA,CA,8F), V(9D,82,82,1F), V(40,C9,C9,89), V(87,7D,7D,FA), \ - V(15,FA,FA,EF), V(EB,59,59,B2), V(C9,47,47,8E), V(0B,F0,F0,FB), \ - V(EC,AD,AD,41), V(67,D4,D4,B3), V(FD,A2,A2,5F), V(EA,AF,AF,45), \ - V(BF,9C,9C,23), V(F7,A4,A4,53), V(96,72,72,E4), V(5B,C0,C0,9B), \ - V(C2,B7,B7,75), V(1C,FD,FD,E1), V(AE,93,93,3D), V(6A,26,26,4C), \ - V(5A,36,36,6C), V(41,3F,3F,7E), V(02,F7,F7,F5), V(4F,CC,CC,83), \ - V(5C,34,34,68), V(F4,A5,A5,51), V(34,E5,E5,D1), V(08,F1,F1,F9), \ - V(93,71,71,E2), V(73,D8,D8,AB), V(53,31,31,62), V(3F,15,15,2A), \ - V(0C,04,04,08), V(52,C7,C7,95), V(65,23,23,46), V(5E,C3,C3,9D), \ - V(28,18,18,30), V(A1,96,96,37), V(0F,05,05,0A), V(B5,9A,9A,2F), \ - V(09,07,07,0E), V(36,12,12,24), V(9B,80,80,1B), V(3D,E2,E2,DF), \ - V(26,EB,EB,CD), V(69,27,27,4E), V(CD,B2,B2,7F), V(9F,75,75,EA), \ - V(1B,09,09,12), V(9E,83,83,1D), V(74,2C,2C,58), V(2E,1A,1A,34), \ - V(2D,1B,1B,36), V(B2,6E,6E,DC), V(EE,5A,5A,B4), V(FB,A0,A0,5B), \ - V(F6,52,52,A4), V(4D,3B,3B,76), V(61,D6,D6,B7), V(CE,B3,B3,7D), \ - V(7B,29,29,52), V(3E,E3,E3,DD), V(71,2F,2F,5E), V(97,84,84,13), \ - V(F5,53,53,A6), V(68,D1,D1,B9), V(00,00,00,00), V(2C,ED,ED,C1), \ - V(60,20,20,40), V(1F,FC,FC,E3), V(C8,B1,B1,79), V(ED,5B,5B,B6), \ - V(BE,6A,6A,D4), V(46,CB,CB,8D), V(D9,BE,BE,67), V(4B,39,39,72), \ - V(DE,4A,4A,94), V(D4,4C,4C,98), V(E8,58,58,B0), V(4A,CF,CF,85), \ - V(6B,D0,D0,BB), V(2A,EF,EF,C5), V(E5,AA,AA,4F), V(16,FB,FB,ED), \ - V(C5,43,43,86), V(D7,4D,4D,9A), V(55,33,33,66), V(94,85,85,11), \ - V(CF,45,45,8A), V(10,F9,F9,E9), V(06,02,02,04), V(81,7F,7F,FE), \ - V(F0,50,50,A0), V(44,3C,3C,78), V(BA,9F,9F,25), V(E3,A8,A8,4B), \ - V(F3,51,51,A2), V(FE,A3,A3,5D), V(C0,40,40,80), V(8A,8F,8F,05), \ - V(AD,92,92,3F), V(BC,9D,9D,21), V(48,38,38,70), V(04,F5,F5,F1), \ - V(DF,BC,BC,63), V(C1,B6,B6,77), V(75,DA,DA,AF), V(63,21,21,42), \ - V(30,10,10,20), V(1A,FF,FF,E5), V(0E,F3,F3,FD), V(6D,D2,D2,BF), \ - V(4C,CD,CD,81), V(14,0C,0C,18), V(35,13,13,26), V(2F,EC,EC,C3), \ - V(E1,5F,5F,BE), V(A2,97,97,35), V(CC,44,44,88), V(39,17,17,2E), \ - V(57,C4,C4,93), V(F2,A7,A7,55), V(82,7E,7E,FC), V(47,3D,3D,7A), \ - V(AC,64,64,C8), V(E7,5D,5D,BA), V(2B,19,19,32), V(95,73,73,E6), \ - V(A0,60,60,C0), V(98,81,81,19), V(D1,4F,4F,9E), V(7F,DC,DC,A3), \ - V(66,22,22,44), V(7E,2A,2A,54), V(AB,90,90,3B), V(83,88,88,0B), \ - V(CA,46,46,8C), V(29,EE,EE,C7), V(D3,B8,B8,6B), V(3C,14,14,28), \ - V(79,DE,DE,A7), V(E2,5E,5E,BC), V(1D,0B,0B,16), V(76,DB,DB,AD), \ - V(3B,E0,E0,DB), V(56,32,32,64), V(4E,3A,3A,74), V(1E,0A,0A,14), \ - V(DB,49,49,92), V(0A,06,06,0C), V(6C,24,24,48), V(E4,5C,5C,B8), \ - V(5D,C2,C2,9F), V(6E,D3,D3,BD), V(EF,AC,AC,43), V(A6,62,62,C4), \ - V(A8,91,91,39), V(A4,95,95,31), V(37,E4,E4,D3), V(8B,79,79,F2), \ - V(32,E7,E7,D5), V(43,C8,C8,8B), V(59,37,37,6E), V(B7,6D,6D,DA), \ - V(8C,8D,8D,01), V(64,D5,D5,B1), V(D2,4E,4E,9C), V(E0,A9,A9,49), \ - V(B4,6C,6C,D8), V(FA,56,56,AC), V(07,F4,F4,F3), V(25,EA,EA,CF), \ - V(AF,65,65,CA), V(8E,7A,7A,F4), V(E9,AE,AE,47), V(18,08,08,10), \ - V(D5,BA,BA,6F), V(88,78,78,F0), V(6F,25,25,4A), V(72,2E,2E,5C), \ - V(24,1C,1C,38), V(F1,A6,A6,57), V(C7,B4,B4,73), V(51,C6,C6,97), \ - V(23,E8,E8,CB), V(7C,DD,DD,A1), V(9C,74,74,E8), V(21,1F,1F,3E), \ - V(DD,4B,4B,96), V(DC,BD,BD,61), V(86,8B,8B,0D), V(85,8A,8A,0F), \ - V(90,70,70,E0), V(42,3E,3E,7C), V(C4,B5,B5,71), V(AA,66,66,CC), \ - V(D8,48,48,90), V(05,03,03,06), V(01,F6,F6,F7), V(12,0E,0E,1C), \ - V(A3,61,61,C2), V(5F,35,35,6A), V(F9,57,57,AE), V(D0,B9,B9,69), \ - V(91,86,86,17), V(58,C1,C1,99), V(27,1D,1D,3A), V(B9,9E,9E,27), \ - V(38,E1,E1,D9), V(13,F8,F8,EB), V(B3,98,98,2B), V(33,11,11,22), \ - V(BB,69,69,D2), V(70,D9,D9,A9), V(89,8E,8E,07), V(A7,94,94,33), \ - V(B6,9B,9B,2D), V(22,1E,1E,3C), V(92,87,87,15), V(20,E9,E9,C9), \ - V(49,CE,CE,87), V(FF,55,55,AA), V(78,28,28,50), V(7A,DF,DF,A5), \ - V(8F,8C,8C,03), V(F8,A1,A1,59), V(80,89,89,09), V(17,0D,0D,1A), \ - V(DA,BF,BF,65), V(31,E6,E6,D7), V(C6,42,42,84), V(B8,68,68,D0), \ - V(C3,41,41,82), V(B0,99,99,29), V(77,2D,2D,5A), V(11,0F,0F,1E), \ - V(CB,B0,B0,7B), V(FC,54,54,A8), V(D6,BB,BB,6D), V(3A,16,16,2C) - -#define V(a,b,c,d) 0x##a##b##c##d -static const unsigned long FT0[256] = { FT }; -#undef V - -#define V(a,b,c,d) 0x##b##c##d##a -static const unsigned long FT1[256] = { FT }; -#undef V - -#define V(a,b,c,d) 0x##c##d##a##b -static const unsigned long FT2[256] = { FT }; -#undef V - -#define V(a,b,c,d) 0x##d##a##b##c -static const unsigned long FT3[256] = { FT }; -#undef V - -#undef FT - -/* - * Reverse S-box - */ -static const unsigned char RSb[256] = -{ - 0x52, 0x09, 0x6A, 0xD5, 0x30, 0x36, 0xA5, 0x38, - 0xBF, 0x40, 0xA3, 0x9E, 0x81, 0xF3, 0xD7, 0xFB, - 0x7C, 0xE3, 0x39, 0x82, 0x9B, 0x2F, 0xFF, 0x87, - 0x34, 0x8E, 0x43, 0x44, 0xC4, 0xDE, 0xE9, 0xCB, - 0x54, 0x7B, 0x94, 0x32, 0xA6, 0xC2, 0x23, 0x3D, - 0xEE, 0x4C, 0x95, 0x0B, 0x42, 0xFA, 0xC3, 0x4E, - 0x08, 0x2E, 0xA1, 0x66, 0x28, 0xD9, 0x24, 0xB2, - 0x76, 0x5B, 0xA2, 0x49, 0x6D, 0x8B, 0xD1, 0x25, - 0x72, 0xF8, 0xF6, 0x64, 0x86, 0x68, 0x98, 0x16, - 0xD4, 0xA4, 0x5C, 0xCC, 0x5D, 0x65, 0xB6, 0x92, - 0x6C, 0x70, 0x48, 0x50, 0xFD, 0xED, 0xB9, 0xDA, - 0x5E, 0x15, 0x46, 0x57, 0xA7, 0x8D, 0x9D, 0x84, - 0x90, 0xD8, 0xAB, 0x00, 0x8C, 0xBC, 0xD3, 0x0A, - 0xF7, 0xE4, 0x58, 0x05, 0xB8, 0xB3, 0x45, 0x06, - 0xD0, 0x2C, 0x1E, 0x8F, 0xCA, 0x3F, 0x0F, 0x02, - 0xC1, 0xAF, 0xBD, 0x03, 0x01, 0x13, 0x8A, 0x6B, - 0x3A, 0x91, 0x11, 0x41, 0x4F, 0x67, 0xDC, 0xEA, - 0x97, 0xF2, 0xCF, 0xCE, 0xF0, 0xB4, 0xE6, 0x73, - 0x96, 0xAC, 0x74, 0x22, 0xE7, 0xAD, 0x35, 0x85, - 0xE2, 0xF9, 0x37, 0xE8, 0x1C, 0x75, 0xDF, 0x6E, - 0x47, 0xF1, 0x1A, 0x71, 0x1D, 0x29, 0xC5, 0x89, - 0x6F, 0xB7, 0x62, 0x0E, 0xAA, 0x18, 0xBE, 0x1B, - 0xFC, 0x56, 0x3E, 0x4B, 0xC6, 0xD2, 0x79, 0x20, - 0x9A, 0xDB, 0xC0, 0xFE, 0x78, 0xCD, 0x5A, 0xF4, - 0x1F, 0xDD, 0xA8, 0x33, 0x88, 0x07, 0xC7, 0x31, - 0xB1, 0x12, 0x10, 0x59, 0x27, 0x80, 0xEC, 0x5F, - 0x60, 0x51, 0x7F, 0xA9, 0x19, 0xB5, 0x4A, 0x0D, - 0x2D, 0xE5, 0x7A, 0x9F, 0x93, 0xC9, 0x9C, 0xEF, - 0xA0, 0xE0, 0x3B, 0x4D, 0xAE, 0x2A, 0xF5, 0xB0, - 0xC8, 0xEB, 0xBB, 0x3C, 0x83, 0x53, 0x99, 0x61, - 0x17, 0x2B, 0x04, 0x7E, 0xBA, 0x77, 0xD6, 0x26, - 0xE1, 0x69, 0x14, 0x63, 0x55, 0x21, 0x0C, 0x7D -}; - -/* - * Reverse tables - */ -#define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define V(a,b,c,d) 0x##a##b##c##d -static const unsigned long RT0[256] = { RT }; -#undef V - -#define V(a,b,c,d) 0x##b##c##d##a -static const unsigned long RT1[256] = { RT }; -#undef V - -#define V(a,b,c,d) 0x##c##d##a##b -static const unsigned long RT2[256] = { RT }; -#undef V - -#define V(a,b,c,d) 0x##d##a##b##c -static const unsigned long RT3[256] = { RT }; -#undef V - -#undef RT - -/* - * Round constants - */ -static const unsigned long RCON[10] = -{ - 0x00000001, 0x00000002, 0x00000004, 0x00000008, - 0x00000010, 0x00000020, 0x00000040, 0x00000080, - 0x0000001B, 0x00000036 -}; - -#else - -/* - * Forward S-box & tables - */ -static unsigned char FSb[256]; -static unsigned long FT0[256]; -static unsigned long FT1[256]; -static unsigned long FT2[256]; -static unsigned long FT3[256]; - -/* - * Reverse S-box & tables - */ -static unsigned char RSb[256]; -static unsigned long RT0[256]; -static unsigned long RT1[256]; -static unsigned long RT2[256]; -static unsigned long RT3[256]; - -/* - * Round constants - */ -static unsigned long RCON[10]; - -/* - * Tables generation code - */ -#define ROTL8(x) ( ( x << 8 ) & 0xFFFFFFFF ) | ( x >> 24 ) -#define XTIME(x) ( ( x << 1 ) ^ ( ( x & 0x80 ) ? 0x1B : 0x00 ) ) -#define MUL(x,y) ( ( x && y ) ? pow[(log[x]+log[y]) % 255] : 0 ) - -static int aes_init_done = 0; - -static void aes_gen_tables( void ) -{ - int i, x, y, z; - int pow[256]; - int log[256]; - - /* - * compute pow and log tables over GF(2^8) - */ - for( i = 0, x = 1; i < 256; i++ ) - { - pow[i] = x; - log[x] = i; - x = ( x ^ XTIME( x ) ) & 0xFF; - } - - /* - * calculate the round constants - */ - for( i = 0, x = 1; i < 10; i++ ) - { - RCON[i] = (unsigned long) x; - x = XTIME( x ) & 0xFF; - } - - /* - * generate the forward and reverse S-boxes - */ - FSb[0x00] = 0x63; - RSb[0x63] = 0x00; - - for( i = 1; i < 256; i++ ) - { - x = pow[255 - log[i]]; - - y = x; y = ( (y << 1) | (y >> 7) ) & 0xFF; - x ^= y; y = ( (y << 1) | (y >> 7) ) & 0xFF; - x ^= y; y = ( (y << 1) | (y >> 7) ) & 0xFF; - x ^= y; y = ( (y << 1) | (y >> 7) ) & 0xFF; - x ^= y ^ 0x63; - - FSb[i] = (unsigned char) x; - RSb[x] = (unsigned char) i; - } - - /* - * generate the forward and reverse tables - */ - for( i = 0; i < 256; i++ ) - { - x = FSb[i]; - y = XTIME( x ) & 0xFF; - z = ( y ^ x ) & 0xFF; - - FT0[i] = ( (unsigned long) y ) ^ - ( (unsigned long) x << 8 ) ^ - ( (unsigned long) x << 16 ) ^ - ( (unsigned long) z << 24 ); - - FT1[i] = ROTL8( FT0[i] ); - FT2[i] = ROTL8( FT1[i] ); - FT3[i] = ROTL8( FT2[i] ); - - x = RSb[i]; - - RT0[i] = ( (unsigned long) MUL( 0x0E, x ) ) ^ - ( (unsigned long) MUL( 0x09, x ) << 8 ) ^ - ( (unsigned long) MUL( 0x0D, x ) << 16 ) ^ - ( (unsigned long) MUL( 0x0B, x ) << 24 ); - - RT1[i] = ROTL8( RT0[i] ); - RT2[i] = ROTL8( RT1[i] ); - RT3[i] = ROTL8( RT2[i] ); - } -} - -#endif - -/* - * AES key schedule (encryption) - */ -int aes_setkey_enc( aes_context *ctx, const unsigned char *key, unsigned int keysize ) -{ - unsigned int i; - unsigned long *RK; - -#if !defined(POLARSSL_AES_ROM_TABLES) - if( aes_init_done == 0 ) - { - aes_gen_tables(); - aes_init_done = 1; - - } -#endif - - switch( keysize ) - { - case 128: ctx->nr = 10; break; - case 192: ctx->nr = 12; break; - case 256: ctx->nr = 14; break; - default : return( POLARSSL_ERR_AES_INVALID_KEY_LENGTH ); - } - -#if defined(POLARSSL_PADLOCK_C) && defined(PADLOCK_ALIGN16) - if( aes_padlock_ace == -1 ) - aes_padlock_ace = padlock_supports( PADLOCK_ACE ); - - if( aes_padlock_ace ) - ctx->rk = RK = PADLOCK_ALIGN16( ctx->buf ); - else -#endif - ctx->rk = RK = ctx->buf; - - for( i = 0; i < (keysize >> 5); i++ ) - { - GET_ULONG_LE( RK[i], key, i << 2 ); - } - - switch( ctx->nr ) - { - case 10: - - for( i = 0; i < 10; i++, RK += 4 ) - { - RK[4] = RK[0] ^ RCON[i] ^ - ( (unsigned long) FSb[ ( RK[3] >> 8 ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( RK[3] >> 16 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( RK[3] >> 24 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( RK[3] ) & 0xFF ] << 24 ); - - RK[5] = RK[1] ^ RK[4]; - RK[6] = RK[2] ^ RK[5]; - RK[7] = RK[3] ^ RK[6]; - } - break; - - case 12: - - for( i = 0; i < 8; i++, RK += 6 ) - { - RK[6] = RK[0] ^ RCON[i] ^ - ( (unsigned long) FSb[ ( RK[5] >> 8 ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( RK[5] >> 16 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( RK[5] >> 24 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( RK[5] ) & 0xFF ] << 24 ); - - RK[7] = RK[1] ^ RK[6]; - RK[8] = RK[2] ^ RK[7]; - RK[9] = RK[3] ^ RK[8]; - RK[10] = RK[4] ^ RK[9]; - RK[11] = RK[5] ^ RK[10]; - } - break; - - case 14: - - for( i = 0; i < 7; i++, RK += 8 ) - { - RK[8] = RK[0] ^ RCON[i] ^ - ( (unsigned long) FSb[ ( RK[7] >> 8 ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( RK[7] >> 16 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( RK[7] >> 24 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( RK[7] ) & 0xFF ] << 24 ); - - RK[9] = RK[1] ^ RK[8]; - RK[10] = RK[2] ^ RK[9]; - RK[11] = RK[3] ^ RK[10]; - - RK[12] = RK[4] ^ - ( (unsigned long) FSb[ ( RK[11] ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( RK[11] >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( RK[11] >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( RK[11] >> 24 ) & 0xFF ] << 24 ); - - RK[13] = RK[5] ^ RK[12]; - RK[14] = RK[6] ^ RK[13]; - RK[15] = RK[7] ^ RK[14]; - } - break; - - default: - - break; - } - - return( 0 ); -} - -/* - * AES key schedule (decryption) - */ -int aes_setkey_dec( aes_context *ctx, const unsigned char *key, unsigned int keysize ) -{ - int i, j; - aes_context cty; - unsigned long *RK; - unsigned long *SK; - int ret; - - switch( keysize ) - { - case 128: ctx->nr = 10; break; - case 192: ctx->nr = 12; break; - case 256: ctx->nr = 14; break; - default : return( POLARSSL_ERR_AES_INVALID_KEY_LENGTH ); - } - -#if defined(POLARSSL_PADLOCK_C) && defined(PADLOCK_ALIGN16) - if( aes_padlock_ace == -1 ) - aes_padlock_ace = padlock_supports( PADLOCK_ACE ); - - if( aes_padlock_ace ) - ctx->rk = RK = PADLOCK_ALIGN16( ctx->buf ); - else -#endif - ctx->rk = RK = ctx->buf; - - ret = aes_setkey_enc( &cty, key, keysize ); - if( ret != 0 ) - return( ret ); - - SK = cty.rk + cty.nr * 4; - - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - - for( i = ctx->nr - 1, SK -= 8; i > 0; i--, SK -= 8 ) - { - for( j = 0; j < 4; j++, SK++ ) - { - *RK++ = RT0[ FSb[ ( *SK ) & 0xFF ] ] ^ - RT1[ FSb[ ( *SK >> 8 ) & 0xFF ] ] ^ - RT2[ FSb[ ( *SK >> 16 ) & 0xFF ] ] ^ - RT3[ FSb[ ( *SK >> 24 ) & 0xFF ] ]; - } - } - - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - - memset( &cty, 0, sizeof( aes_context ) ); - - return( 0 ); -} - -#define AES_FROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ -{ \ - X0 = *RK++ ^ FT0[ ( Y0 ) & 0xFF ] ^ \ - FT1[ ( Y1 >> 8 ) & 0xFF ] ^ \ - FT2[ ( Y2 >> 16 ) & 0xFF ] ^ \ - FT3[ ( Y3 >> 24 ) & 0xFF ]; \ - \ - X1 = *RK++ ^ FT0[ ( Y1 ) & 0xFF ] ^ \ - FT1[ ( Y2 >> 8 ) & 0xFF ] ^ \ - FT2[ ( Y3 >> 16 ) & 0xFF ] ^ \ - FT3[ ( Y0 >> 24 ) & 0xFF ]; \ - \ - X2 = *RK++ ^ FT0[ ( Y2 ) & 0xFF ] ^ \ - FT1[ ( Y3 >> 8 ) & 0xFF ] ^ \ - FT2[ ( Y0 >> 16 ) & 0xFF ] ^ \ - FT3[ ( Y1 >> 24 ) & 0xFF ]; \ - \ - X3 = *RK++ ^ FT0[ ( Y3 ) & 0xFF ] ^ \ - FT1[ ( Y0 >> 8 ) & 0xFF ] ^ \ - FT2[ ( Y1 >> 16 ) & 0xFF ] ^ \ - FT3[ ( Y2 >> 24 ) & 0xFF ]; \ -} - -#define AES_RROUND(X0,X1,X2,X3,Y0,Y1,Y2,Y3) \ -{ \ - X0 = *RK++ ^ RT0[ ( Y0 ) & 0xFF ] ^ \ - RT1[ ( Y3 >> 8 ) & 0xFF ] ^ \ - RT2[ ( Y2 >> 16 ) & 0xFF ] ^ \ - RT3[ ( Y1 >> 24 ) & 0xFF ]; \ - \ - X1 = *RK++ ^ RT0[ ( Y1 ) & 0xFF ] ^ \ - RT1[ ( Y0 >> 8 ) & 0xFF ] ^ \ - RT2[ ( Y3 >> 16 ) & 0xFF ] ^ \ - RT3[ ( Y2 >> 24 ) & 0xFF ]; \ - \ - X2 = *RK++ ^ RT0[ ( Y2 ) & 0xFF ] ^ \ - RT1[ ( Y1 >> 8 ) & 0xFF ] ^ \ - RT2[ ( Y0 >> 16 ) & 0xFF ] ^ \ - RT3[ ( Y3 >> 24 ) & 0xFF ]; \ - \ - X3 = *RK++ ^ RT0[ ( Y3 ) & 0xFF ] ^ \ - RT1[ ( Y2 >> 8 ) & 0xFF ] ^ \ - RT2[ ( Y1 >> 16 ) & 0xFF ] ^ \ - RT3[ ( Y0 >> 24 ) & 0xFF ]; \ -} - -/* - * AES-ECB block encryption/decryption - */ -int aes_crypt_ecb( aes_context *ctx, - int mode, - const unsigned char input[16], - unsigned char output[16] ) -{ - int i; - unsigned long *RK, X0, X1, X2, X3, Y0, Y1, Y2, Y3; - -#if defined(POLARSSL_PADLOCK_C) && defined(POLARSSL_HAVE_X86) - if( aes_padlock_ace ) - { - if( padlock_xcryptecb( ctx, mode, input, output ) == 0 ) - return( 0 ); - - // If padlock data misaligned, we just fall back to - // unaccelerated mode - // - } -#endif - - RK = ctx->rk; - - GET_ULONG_LE( X0, input, 0 ); X0 ^= *RK++; - GET_ULONG_LE( X1, input, 4 ); X1 ^= *RK++; - GET_ULONG_LE( X2, input, 8 ); X2 ^= *RK++; - GET_ULONG_LE( X3, input, 12 ); X3 ^= *RK++; - - if( mode == AES_DECRYPT ) - { - for( i = (ctx->nr >> 1) - 1; i > 0; i-- ) - { - AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); - AES_RROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); - } - - AES_RROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); - - X0 = *RK++ ^ \ - ( (unsigned long) RSb[ ( Y0 ) & 0xFF ] ) ^ - ( (unsigned long) RSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) RSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) RSb[ ( Y1 >> 24 ) & 0xFF ] << 24 ); - - X1 = *RK++ ^ \ - ( (unsigned long) RSb[ ( Y1 ) & 0xFF ] ) ^ - ( (unsigned long) RSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) RSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) RSb[ ( Y2 >> 24 ) & 0xFF ] << 24 ); - - X2 = *RK++ ^ \ - ( (unsigned long) RSb[ ( Y2 ) & 0xFF ] ) ^ - ( (unsigned long) RSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) RSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) RSb[ ( Y3 >> 24 ) & 0xFF ] << 24 ); - - X3 = *RK++ ^ \ - ( (unsigned long) RSb[ ( Y3 ) & 0xFF ] ) ^ - ( (unsigned long) RSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) RSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) RSb[ ( Y0 >> 24 ) & 0xFF ] << 24 ); - } - else /* AES_ENCRYPT */ - { - for( i = (ctx->nr >> 1) - 1; i > 0; i-- ) - { - AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); - AES_FROUND( X0, X1, X2, X3, Y0, Y1, Y2, Y3 ); - } - - AES_FROUND( Y0, Y1, Y2, Y3, X0, X1, X2, X3 ); - - X0 = *RK++ ^ \ - ( (unsigned long) FSb[ ( Y0 ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( Y1 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( Y2 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( Y3 >> 24 ) & 0xFF ] << 24 ); - - X1 = *RK++ ^ \ - ( (unsigned long) FSb[ ( Y1 ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( Y2 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( Y3 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( Y0 >> 24 ) & 0xFF ] << 24 ); - - X2 = *RK++ ^ \ - ( (unsigned long) FSb[ ( Y2 ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( Y3 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( Y0 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( Y1 >> 24 ) & 0xFF ] << 24 ); - - X3 = *RK++ ^ \ - ( (unsigned long) FSb[ ( Y3 ) & 0xFF ] ) ^ - ( (unsigned long) FSb[ ( Y0 >> 8 ) & 0xFF ] << 8 ) ^ - ( (unsigned long) FSb[ ( Y1 >> 16 ) & 0xFF ] << 16 ) ^ - ( (unsigned long) FSb[ ( Y2 >> 24 ) & 0xFF ] << 24 ); - } - - PUT_ULONG_LE( X0, output, 0 ); - PUT_ULONG_LE( X1, output, 4 ); - PUT_ULONG_LE( X2, output, 8 ); - PUT_ULONG_LE( X3, output, 12 ); - - return( 0 ); -} - -/* - * AES-CBC buffer encryption/decryption - */ -int aes_crypt_cbc( aes_context *ctx, - int mode, - size_t length, - unsigned char iv[16], - const unsigned char *input, - unsigned char *output ) -{ - int i; - unsigned char temp[16]; - - if( length % 16 ) - return( POLARSSL_ERR_AES_INVALID_INPUT_LENGTH ); - -#if defined(POLARSSL_PADLOCK_C) && defined(POLARSSL_HAVE_X86) - if( aes_padlock_ace ) - { - if( padlock_xcryptcbc( ctx, mode, length, iv, input, output ) == 0 ) - return( 0 ); - - // If padlock data misaligned, we just fall back to - // unaccelerated mode - // - } -#endif - - if( mode == AES_DECRYPT ) - { - while( length > 0 ) - { - memcpy( temp, input, 16 ); - aes_crypt_ecb( ctx, mode, input, output ); - - for( i = 0; i < 16; i++ ) - output[i] = (unsigned char)( output[i] ^ iv[i] ); - - memcpy( iv, temp, 16 ); - - input += 16; - output += 16; - length -= 16; - } - } - else - { - while( length > 0 ) - { - for( i = 0; i < 16; i++ ) - output[i] = (unsigned char)( input[i] ^ iv[i] ); - - aes_crypt_ecb( ctx, mode, output, output ); - memcpy( iv, output, 16 ); - - input += 16; - output += 16; - length -= 16; - } - } - - return( 0 ); -} - -#if defined(POLARSSL_CIPHER_MODE_CFB) -/* - * AES-CFB128 buffer encryption/decryption - */ -int aes_crypt_cfb128( aes_context *ctx, - int mode, - size_t length, - size_t *iv_off, - unsigned char iv[16], - const unsigned char *input, - unsigned char *output ) -{ - int c; - size_t n = *iv_off; - - if( mode == AES_DECRYPT ) - { - while( length-- ) - { - if( n == 0 ) - aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv ); - - c = *input++; - *output++ = (unsigned char)( c ^ iv[n] ); - iv[n] = (unsigned char) c; - - n = (n + 1) & 0x0F; - } - } - else - { - while( length-- ) - { - if( n == 0 ) - aes_crypt_ecb( ctx, AES_ENCRYPT, iv, iv ); - - iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ ); - - n = (n + 1) & 0x0F; - } - } - - *iv_off = n; - - return( 0 ); -} -#endif /*POLARSSL_CIPHER_MODE_CFB */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) -/* - * AES-CTR buffer encryption/decryption - */ -int aes_crypt_ctr( aes_context *ctx, - size_t length, - size_t *nc_off, - unsigned char nonce_counter[16], - unsigned char stream_block[16], - const unsigned char *input, - unsigned char *output ) -{ - int c, i; - size_t n = *nc_off; - - while( length-- ) - { - if( n == 0 ) { - aes_crypt_ecb( ctx, AES_ENCRYPT, nonce_counter, stream_block ); - - for( i = 16; i > 0; i-- ) - if( ++nonce_counter[i - 1] != 0 ) - break; - } - c = *input++; - *output++ = (unsigned char)( c ^ stream_block[n] ); - - n = (n + 1) & 0x0F; - } - - *nc_off = n; - - return( 0 ); -} -#endif /* POLARSSL_CIPHER_MODE_CTR */ - -#if defined(POLARSSL_SELF_TEST) - -#include <stdio.h> - -/* - * AES test vectors from: - * - * http://csrc.nist.gov/archive/aes/rijndael/rijndael-vals.zip - */ -static const unsigned char aes_test_ecb_dec[3][16] = -{ - { 0x44, 0x41, 0x6A, 0xC2, 0xD1, 0xF5, 0x3C, 0x58, - 0x33, 0x03, 0x91, 0x7E, 0x6B, 0xE9, 0xEB, 0xE0 }, - { 0x48, 0xE3, 0x1E, 0x9E, 0x25, 0x67, 0x18, 0xF2, - 0x92, 0x29, 0x31, 0x9C, 0x19, 0xF1, 0x5B, 0xA4 }, - { 0x05, 0x8C, 0xCF, 0xFD, 0xBB, 0xCB, 0x38, 0x2D, - 0x1F, 0x6F, 0x56, 0x58, 0x5D, 0x8A, 0x4A, 0xDE } -}; - -static const unsigned char aes_test_ecb_enc[3][16] = -{ - { 0xC3, 0x4C, 0x05, 0x2C, 0xC0, 0xDA, 0x8D, 0x73, - 0x45, 0x1A, 0xFE, 0x5F, 0x03, 0xBE, 0x29, 0x7F }, - { 0xF3, 0xF6, 0x75, 0x2A, 0xE8, 0xD7, 0x83, 0x11, - 0x38, 0xF0, 0x41, 0x56, 0x06, 0x31, 0xB1, 0x14 }, - { 0x8B, 0x79, 0xEE, 0xCC, 0x93, 0xA0, 0xEE, 0x5D, - 0xFF, 0x30, 0xB4, 0xEA, 0x21, 0x63, 0x6D, 0xA4 } -}; - -static const unsigned char aes_test_cbc_dec[3][16] = -{ - { 0xFA, 0xCA, 0x37, 0xE0, 0xB0, 0xC8, 0x53, 0x73, - 0xDF, 0x70, 0x6E, 0x73, 0xF7, 0xC9, 0xAF, 0x86 }, - { 0x5D, 0xF6, 0x78, 0xDD, 0x17, 0xBA, 0x4E, 0x75, - 0xB6, 0x17, 0x68, 0xC6, 0xAD, 0xEF, 0x7C, 0x7B }, - { 0x48, 0x04, 0xE1, 0x81, 0x8F, 0xE6, 0x29, 0x75, - 0x19, 0xA3, 0xE8, 0x8C, 0x57, 0x31, 0x04, 0x13 } -}; - -static const unsigned char aes_test_cbc_enc[3][16] = -{ - { 0x8A, 0x05, 0xFC, 0x5E, 0x09, 0x5A, 0xF4, 0x84, - 0x8A, 0x08, 0xD3, 0x28, 0xD3, 0x68, 0x8E, 0x3D }, - { 0x7B, 0xD9, 0x66, 0xD5, 0x3A, 0xD8, 0xC1, 0xBB, - 0x85, 0xD2, 0xAD, 0xFA, 0xE8, 0x7B, 0xB1, 0x04 }, - { 0xFE, 0x3C, 0x53, 0x65, 0x3E, 0x2F, 0x45, 0xB5, - 0x6F, 0xCD, 0x88, 0xB2, 0xCC, 0x89, 0x8F, 0xF0 } -}; - -#if defined(POLARSSL_CIPHER_MODE_CFB) -/* - * AES-CFB128 test vectors from: - * - * http://csrc.nist.gov/publications/nistpubs/800-38a/sp800-38a.pdf - */ -static const unsigned char aes_test_cfb128_key[3][32] = -{ - { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, - 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C }, - { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52, - 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5, - 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B }, - { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE, - 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81, - 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7, - 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 } -}; - -static const unsigned char aes_test_cfb128_iv[16] = -{ - 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F -}; - -static const unsigned char aes_test_cfb128_pt[64] = -{ - 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96, - 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A, - 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C, - 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51, - 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11, - 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF, - 0xF6, 0x9F, 0x24, 0x45, 0xDF, 0x4F, 0x9B, 0x17, - 0xAD, 0x2B, 0x41, 0x7B, 0xE6, 0x6C, 0x37, 0x10 -}; - -static const unsigned char aes_test_cfb128_ct[3][64] = -{ - { 0x3B, 0x3F, 0xD9, 0x2E, 0xB7, 0x2D, 0xAD, 0x20, - 0x33, 0x34, 0x49, 0xF8, 0xE8, 0x3C, 0xFB, 0x4A, - 0xC8, 0xA6, 0x45, 0x37, 0xA0, 0xB3, 0xA9, 0x3F, - 0xCD, 0xE3, 0xCD, 0xAD, 0x9F, 0x1C, 0xE5, 0x8B, - 0x26, 0x75, 0x1F, 0x67, 0xA3, 0xCB, 0xB1, 0x40, - 0xB1, 0x80, 0x8C, 0xF1, 0x87, 0xA4, 0xF4, 0xDF, - 0xC0, 0x4B, 0x05, 0x35, 0x7C, 0x5D, 0x1C, 0x0E, - 0xEA, 0xC4, 0xC6, 0x6F, 0x9F, 0xF7, 0xF2, 0xE6 }, - { 0xCD, 0xC8, 0x0D, 0x6F, 0xDD, 0xF1, 0x8C, 0xAB, - 0x34, 0xC2, 0x59, 0x09, 0xC9, 0x9A, 0x41, 0x74, - 0x67, 0xCE, 0x7F, 0x7F, 0x81, 0x17, 0x36, 0x21, - 0x96, 0x1A, 0x2B, 0x70, 0x17, 0x1D, 0x3D, 0x7A, - 0x2E, 0x1E, 0x8A, 0x1D, 0xD5, 0x9B, 0x88, 0xB1, - 0xC8, 0xE6, 0x0F, 0xED, 0x1E, 0xFA, 0xC4, 0xC9, - 0xC0, 0x5F, 0x9F, 0x9C, 0xA9, 0x83, 0x4F, 0xA0, - 0x42, 0xAE, 0x8F, 0xBA, 0x58, 0x4B, 0x09, 0xFF }, - { 0xDC, 0x7E, 0x84, 0xBF, 0xDA, 0x79, 0x16, 0x4B, - 0x7E, 0xCD, 0x84, 0x86, 0x98, 0x5D, 0x38, 0x60, - 0x39, 0xFF, 0xED, 0x14, 0x3B, 0x28, 0xB1, 0xC8, - 0x32, 0x11, 0x3C, 0x63, 0x31, 0xE5, 0x40, 0x7B, - 0xDF, 0x10, 0x13, 0x24, 0x15, 0xE5, 0x4B, 0x92, - 0xA1, 0x3E, 0xD0, 0xA8, 0x26, 0x7A, 0xE2, 0xF9, - 0x75, 0xA3, 0x85, 0x74, 0x1A, 0xB9, 0xCE, 0xF8, - 0x20, 0x31, 0x62, 0x3D, 0x55, 0xB1, 0xE4, 0x71 } -}; -#endif /* POLARSSL_CIPHER_MODE_CFB */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) -/* - * AES-CTR test vectors from: - * - * http://www.faqs.org/rfcs/rfc3686.html - */ - -static const unsigned char aes_test_ctr_key[3][16] = -{ - { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC, - 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E }, - { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7, - 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 }, - { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8, - 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC } -}; - -static const unsigned char aes_test_ctr_nonce_counter[3][16] = -{ - { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, - { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59, - 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 }, - { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F, - 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 } -}; - -static const unsigned char aes_test_ctr_pt[3][48] = -{ - { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62, - 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 }, - - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F }, - - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x20, 0x21, 0x22, 0x23 } -}; - -static const unsigned char aes_test_ctr_ct[3][48] = -{ - { 0xE4, 0x09, 0x5D, 0x4F, 0xB7, 0xA7, 0xB3, 0x79, - 0x2D, 0x61, 0x75, 0xA3, 0x26, 0x13, 0x11, 0xB8 }, - { 0x51, 0x04, 0xA1, 0x06, 0x16, 0x8A, 0x72, 0xD9, - 0x79, 0x0D, 0x41, 0xEE, 0x8E, 0xDA, 0xD3, 0x88, - 0xEB, 0x2E, 0x1E, 0xFC, 0x46, 0xDA, 0x57, 0xC8, - 0xFC, 0xE6, 0x30, 0xDF, 0x91, 0x41, 0xBE, 0x28 }, - { 0xC1, 0xCF, 0x48, 0xA8, 0x9F, 0x2F, 0xFD, 0xD9, - 0xCF, 0x46, 0x52, 0xE9, 0xEF, 0xDB, 0x72, 0xD7, - 0x45, 0x40, 0xA4, 0x2B, 0xDE, 0x6D, 0x78, 0x36, - 0xD5, 0x9A, 0x5C, 0xEA, 0xAE, 0xF3, 0x10, 0x53, - 0x25, 0xB2, 0x07, 0x2F } -}; - -static const int aes_test_ctr_len[3] = - { 16, 32, 36 }; -#endif /* POLARSSL_CIPHER_MODE_CTR */ - -/* - * Checkup routine - */ -int aes_self_test( int verbose ) -{ - int i, j, u, v; - unsigned char key[32]; - unsigned char buf[64]; - unsigned char prv[16]; - unsigned char iv[16]; -#if defined(POLARSSL_CIPHER_MODE_CTR) || defined(POLARSSL_CIPHER_MODE_CFB) - size_t offset; -#endif -#if defined(POLARSSL_CIPHER_MODE_CTR) - int len; - unsigned char nonce_counter[16]; - unsigned char stream_block[16]; -#endif - aes_context ctx; - - memset( key, 0, 32 ); - - /* - * ECB mode - */ - for( i = 0; i < 6; i++ ) - { - u = i >> 1; - v = i & 1; - - if( verbose != 0 ) - printf( " AES-ECB-%3d (%s): ", 128 + u * 64, - ( v == AES_DECRYPT ) ? "dec" : "enc" ); - - memset( buf, 0, 16 ); - - if( v == AES_DECRYPT ) - { - aes_setkey_dec( &ctx, key, 128 + u * 64 ); - - for( j = 0; j < 10000; j++ ) - aes_crypt_ecb( &ctx, v, buf, buf ); - - if( memcmp( buf, aes_test_ecb_dec[u], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - else - { - aes_setkey_enc( &ctx, key, 128 + u * 64 ); - - for( j = 0; j < 10000; j++ ) - aes_crypt_ecb( &ctx, v, buf, buf ); - - if( memcmp( buf, aes_test_ecb_enc[u], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - /* - * CBC mode - */ - for( i = 0; i < 6; i++ ) - { - u = i >> 1; - v = i & 1; - - if( verbose != 0 ) - printf( " AES-CBC-%3d (%s): ", 128 + u * 64, - ( v == AES_DECRYPT ) ? "dec" : "enc" ); - - memset( iv , 0, 16 ); - memset( prv, 0, 16 ); - memset( buf, 0, 16 ); - - if( v == AES_DECRYPT ) - { - aes_setkey_dec( &ctx, key, 128 + u * 64 ); - - for( j = 0; j < 10000; j++ ) - aes_crypt_cbc( &ctx, v, 16, iv, buf, buf ); - - if( memcmp( buf, aes_test_cbc_dec[u], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - else - { - aes_setkey_enc( &ctx, key, 128 + u * 64 ); - - for( j = 0; j < 10000; j++ ) - { - unsigned char tmp[16]; - - aes_crypt_cbc( &ctx, v, 16, iv, buf, buf ); - - memcpy( tmp, prv, 16 ); - memcpy( prv, buf, 16 ); - memcpy( buf, tmp, 16 ); - } - - if( memcmp( prv, aes_test_cbc_enc[u], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - -#if defined(POLARSSL_CIPHER_MODE_CFB) - /* - * CFB128 mode - */ - for( i = 0; i < 6; i++ ) - { - u = i >> 1; - v = i & 1; - - if( verbose != 0 ) - printf( " AES-CFB128-%3d (%s): ", 128 + u * 64, - ( v == AES_DECRYPT ) ? "dec" : "enc" ); - - memcpy( iv, aes_test_cfb128_iv, 16 ); - memcpy( key, aes_test_cfb128_key[u], 16 + u * 8 ); - - offset = 0; - aes_setkey_enc( &ctx, key, 128 + u * 64 ); - - if( v == AES_DECRYPT ) - { - memcpy( buf, aes_test_cfb128_ct[u], 64 ); - aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf ); - - if( memcmp( buf, aes_test_cfb128_pt, 64 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - else - { - memcpy( buf, aes_test_cfb128_pt, 64 ); - aes_crypt_cfb128( &ctx, v, 64, &offset, iv, buf, buf ); - - if( memcmp( buf, aes_test_cfb128_ct[u], 64 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); -#endif /* POLARSSL_CIPHER_MODE_CFB */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) - /* - * CTR mode - */ - for( i = 0; i < 6; i++ ) - { - u = i >> 1; - v = i & 1; - - if( verbose != 0 ) - printf( " AES-CTR-128 (%s): ", - ( v == AES_DECRYPT ) ? "dec" : "enc" ); - - memcpy( nonce_counter, aes_test_ctr_nonce_counter[u], 16 ); - memcpy( key, aes_test_ctr_key[u], 16 ); - - offset = 0; - aes_setkey_enc( &ctx, key, 128 ); - - if( v == AES_DECRYPT ) - { - len = aes_test_ctr_len[u]; - memcpy( buf, aes_test_ctr_ct[u], len ); - - aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, buf, buf ); - - if( memcmp( buf, aes_test_ctr_pt[u], len ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - else - { - len = aes_test_ctr_len[u]; - memcpy( buf, aes_test_ctr_pt[u], len ); - - aes_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, buf, buf ); - - if( memcmp( buf, aes_test_ctr_ct[u], len ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); -#endif /* POLARSSL_CIPHER_MODE_CTR */ - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/arc4.c b/polarssl/src/library/arc4.c deleted file mode 100644 index 07665ad..0000000 --- a/polarssl/src/library/arc4.c +++ /dev/null @@ -1,169 +0,0 @@ -/* - * An implementation of the ARCFOUR algorithm - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The ARCFOUR algorithm was publicly disclosed on 94/09. - * - * http://groups.google.com/group/sci.crypt/msg/10a300c9d21afca0 - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_ARC4_C) - -#include "polarssl/arc4.h" - -/* - * ARC4 key schedule - */ -void arc4_setup( arc4_context *ctx, const unsigned char *key, unsigned int keylen ) -{ - int i, j, a; - unsigned int k; - unsigned char *m; - - ctx->x = 0; - ctx->y = 0; - m = ctx->m; - - for( i = 0; i < 256; i++ ) - m[i] = (unsigned char) i; - - j = k = 0; - - for( i = 0; i < 256; i++, k++ ) - { - if( k >= keylen ) k = 0; - - a = m[i]; - j = ( j + a + key[k] ) & 0xFF; - m[i] = m[j]; - m[j] = (unsigned char) a; - } -} - -/* - * ARC4 cipher function - */ -int arc4_crypt( arc4_context *ctx, size_t length, const unsigned char *input, - unsigned char *output ) -{ - int x, y, a, b; - size_t i; - unsigned char *m; - - x = ctx->x; - y = ctx->y; - m = ctx->m; - - for( i = 0; i < length; i++ ) - { - x = ( x + 1 ) & 0xFF; a = m[x]; - y = ( y + a ) & 0xFF; b = m[y]; - - m[x] = (unsigned char) b; - m[y] = (unsigned char) a; - - output[i] = (unsigned char) - ( input[i] ^ m[(unsigned char)( a + b )] ); - } - - ctx->x = x; - ctx->y = y; - - return( 0 ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include <string.h> -#include <stdio.h> - -/* - * ARC4 tests vectors as posted by Eric Rescorla in sep. 1994: - * - * http://groups.google.com/group/comp.security.misc/msg/10a300c9d21afca0 - */ -static const unsigned char arc4_test_key[3][8] = -{ - { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }, - { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } -}; - -static const unsigned char arc4_test_pt[3][8] = -{ - { 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } -}; - -static const unsigned char arc4_test_ct[3][8] = -{ - { 0x75, 0xB7, 0x87, 0x80, 0x99, 0xE0, 0xC5, 0x96 }, - { 0x74, 0x94, 0xC2, 0xE7, 0x10, 0x4B, 0x08, 0x79 }, - { 0xDE, 0x18, 0x89, 0x41, 0xA3, 0x37, 0x5D, 0x3A } -}; - -/* - * Checkup routine - */ -int arc4_self_test( int verbose ) -{ - int i; - unsigned char ibuf[8]; - unsigned char obuf[8]; - arc4_context ctx; - - for( i = 0; i < 3; i++ ) - { - if( verbose != 0 ) - printf( " ARC4 test #%d: ", i + 1 ); - - memcpy( ibuf, arc4_test_pt[i], 8 ); - - arc4_setup( &ctx, (unsigned char *) arc4_test_key[i], 8 ); - arc4_crypt( &ctx, 8, ibuf, obuf ); - - if( memcmp( obuf, arc4_test_ct[i], 8 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/asn1parse.c b/polarssl/src/library/asn1parse.c deleted file mode 100644 index 2584774..0000000 --- a/polarssl/src/library/asn1parse.c +++ /dev/null @@ -1,260 +0,0 @@ -/* - * Generic ASN.1 parsing - * - * Copyright (C) 2006-2011, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_ASN1_PARSE_C) - -#include "polarssl/asn1.h" - -#if defined(POLARSSL_BIGNUM_C) -#include "polarssl/bignum.h" -#endif - -#include <string.h> -#include <stdlib.h> -#include <time.h> - -/* - * ASN.1 DER decoding routines - */ -int asn1_get_len( unsigned char **p, - const unsigned char *end, - size_t *len ) -{ - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - if( ( **p & 0x80 ) == 0 ) - *len = *(*p)++; - else - { - switch( **p & 0x7F ) - { - case 1: - if( ( end - *p ) < 2 ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - *len = (*p)[1]; - (*p) += 2; - break; - - case 2: - if( ( end - *p ) < 3 ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - *len = ( (*p)[1] << 8 ) | (*p)[2]; - (*p) += 3; - break; - - case 3: - if( ( end - *p ) < 4 ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - *len = ( (*p)[1] << 16 ) | ( (*p)[2] << 8 ) | (*p)[3]; - (*p) += 4; - break; - - case 4: - if( ( end - *p ) < 5 ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - *len = ( (*p)[1] << 24 ) | ( (*p)[2] << 16 ) | ( (*p)[3] << 8 ) | (*p)[4]; - (*p) += 5; - break; - - default: - return( POLARSSL_ERR_ASN1_INVALID_LENGTH ); - } - } - - if( *len > (size_t) ( end - *p ) ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - return( 0 ); -} - -int asn1_get_tag( unsigned char **p, - const unsigned char *end, - size_t *len, int tag ) -{ - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - if( **p != tag ) - return( POLARSSL_ERR_ASN1_UNEXPECTED_TAG ); - - (*p)++; - - return( asn1_get_len( p, end, len ) ); -} - -int asn1_get_bool( unsigned char **p, - const unsigned char *end, - int *val ) -{ - int ret; - size_t len; - - if( ( ret = asn1_get_tag( p, end, &len, ASN1_BOOLEAN ) ) != 0 ) - return( ret ); - - if( len != 1 ) - return( POLARSSL_ERR_ASN1_INVALID_LENGTH ); - - *val = ( **p != 0 ) ? 1 : 0; - (*p)++; - - return( 0 ); -} - -int asn1_get_int( unsigned char **p, - const unsigned char *end, - int *val ) -{ - int ret; - size_t len; - - if( ( ret = asn1_get_tag( p, end, &len, ASN1_INTEGER ) ) != 0 ) - return( ret ); - - if( len > sizeof( int ) || ( **p & 0x80 ) != 0 ) - return( POLARSSL_ERR_ASN1_INVALID_LENGTH ); - - *val = 0; - - while( len-- > 0 ) - { - *val = ( *val << 8 ) | **p; - (*p)++; - } - - return( 0 ); -} - -#if defined(POLARSSL_BIGNUM_C) -int asn1_get_mpi( unsigned char **p, - const unsigned char *end, - mpi *X ) -{ - int ret; - size_t len; - - if( ( ret = asn1_get_tag( p, end, &len, ASN1_INTEGER ) ) != 0 ) - return( ret ); - - ret = mpi_read_binary( X, *p, len ); - - *p += len; - - return( ret ); -} -#endif /* POLARSSL_BIGNUM_C */ - -int asn1_get_bitstring( unsigned char **p, const unsigned char *end, - asn1_bitstring *bs) -{ - int ret; - - /* Certificate type is a single byte bitstring */ - if( ( ret = asn1_get_tag( p, end, &bs->len, ASN1_BIT_STRING ) ) != 0 ) - return( ret ); - - /* Check length, subtract one for actual bit string length */ - if ( bs->len < 1 ) - return( POLARSSL_ERR_ASN1_OUT_OF_DATA ); - bs->len -= 1; - - /* Get number of unused bits, ensure unused bits <= 7 */ - bs->unused_bits = **p; - if( bs->unused_bits > 7 ) - return( POLARSSL_ERR_ASN1_INVALID_LENGTH ); - (*p)++; - - /* Get actual bitstring */ - bs->p = *p; - *p += bs->len; - - if( *p != end ) - return( POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return 0; -} - - -/* - * Parses and splits an ASN.1 "SEQUENCE OF <tag>" - */ -int asn1_get_sequence_of( unsigned char **p, - const unsigned char *end, - asn1_sequence *cur, - int tag) -{ - int ret; - size_t len; - asn1_buf *buf; - - /* Get main sequence tag */ - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( ret ); - - if( *p + len != end ) - return( POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - while( *p < end ) - { - buf = &(cur->buf); - buf->tag = **p; - - if( ( ret = asn1_get_tag( p, end, &buf->len, tag ) ) != 0 ) - return( ret ); - - buf->p = *p; - *p += buf->len; - - /* Allocate and assign next pointer */ - if (*p < end) - { - cur->next = (asn1_sequence *) malloc( - sizeof( asn1_sequence ) ); - - if( cur->next == NULL ) - return( POLARSSL_ERR_ASN1_MALLOC_FAILED ); - - cur = cur->next; - } - } - - /* Set final sequence entry's next pointer to NULL */ - cur->next = NULL; - - if( *p != end ) - return( POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -#endif diff --git a/polarssl/src/library/asn1write.c b/polarssl/src/library/asn1write.c deleted file mode 100644 index e50c17c..0000000 --- a/polarssl/src/library/asn1write.c +++ /dev/null @@ -1,241 +0,0 @@ -/* - * ASN.1 buffer writing functionality - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_ASN1_WRITE_C) - -#include "polarssl/asn1write.h" - -int asn1_write_len( unsigned char **p, unsigned char *start, size_t len ) -{ - if( len < 0x80 ) - { - if( *p - start < 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - *--(*p) = len; - return( 1 ); - } - - if( len <= 0xFF ) - { - if( *p - start < 2 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - *--(*p) = len; - *--(*p) = 0x81; - return( 2 ); - } - - if( *p - start < 3 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - // We assume we never have lengths larger than 65535 bytes - // - *--(*p) = len % 256; - *--(*p) = ( len / 256 ) % 256; - *--(*p) = 0x82; - - return( 3 ); -} - -int asn1_write_tag( unsigned char **p, unsigned char *start, unsigned char tag ) -{ - if( *p - start < 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - *--(*p) = tag; - - return( 1 ); -} - -int asn1_write_mpi( unsigned char **p, unsigned char *start, mpi *X ) -{ - int ret; - size_t len = 0; - - // Write the MPI - // - len = mpi_size( X ); - - if( *p - start < (int) len ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - (*p) -= len; - mpi_write_binary( X, *p, len ); - - // DER format assumes 2s complement for numbers, so the leftmost bit - // should be 0 for positive numbers and 1 for negative numbers. - // - if ( X->s ==1 && **p & 0x80 ) - { - if( *p - start < 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - *--(*p) = 0x00; - len += 1; - } - - ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_INTEGER ) ); - - return( len ); -} - -int asn1_write_null( unsigned char **p, unsigned char *start ) -{ - int ret; - size_t len = 0; - - // Write NULL - // - ASN1_CHK_ADD( len, asn1_write_len( p, start, 0) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_NULL ) ); - - return( len ); -} - -int asn1_write_oid( unsigned char **p, unsigned char *start, char *oid ) -{ - int ret; - size_t len = 0; - - // Write OID - // - len = strlen( oid ); - - if( *p - start < (int) len ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - (*p) -= len; - memcpy( *p, oid, len ); - - ASN1_CHK_ADD( len , asn1_write_len( p, start, len ) ); - ASN1_CHK_ADD( len , asn1_write_tag( p, start, ASN1_OID ) ); - - return( len ); -} - -int asn1_write_algorithm_identifier( unsigned char **p, unsigned char *start, - char *algorithm_oid ) -{ - int ret; - size_t null_len = 0; - size_t oid_len = 0; - size_t len = 0; - - // Write NULL - // - ASN1_CHK_ADD( null_len, asn1_write_null( p, start ) ); - - // Write OID - // - ASN1_CHK_ADD( oid_len, asn1_write_oid( p, start, algorithm_oid ) ); - - len = oid_len + null_len; - ASN1_CHK_ADD( len, asn1_write_len( p, start, oid_len + null_len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - return( len ); -} - -int asn1_write_int( unsigned char **p, unsigned char *start, int val ) -{ - int ret; - size_t len = 0; - - // TODO negative values and values larger than 128 - // DER format assumes 2s complement for numbers, so the leftmost bit - // should be 0 for positive numbers and 1 for negative numbers. - // - if( *p - start < 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - len += 1; - *--(*p) = val; - - if ( val > 0 && **p & 0x80 ) - { - if( *p - start < 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - *--(*p) = 0x00; - len += 1; - } - - ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_INTEGER ) ); - - return( len ); -} - -int asn1_write_printable_string( unsigned char **p, unsigned char *start, - char *text ) -{ - int ret; - size_t len = 0; - - // Write string - // - len = strlen( text ); - - if( *p - start < (int) len ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - (*p) -= len; - memcpy( *p, text, len ); - - ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_PRINTABLE_STRING ) ); - - return( len ); -} - -int asn1_write_ia5_string( unsigned char **p, unsigned char *start, - char *text ) -{ - int ret; - size_t len = 0; - - // Write string - // - len = strlen( text ); - - if( *p - start < (int) len ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - (*p) -= len; - memcpy( *p, text, len ); - - ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_IA5_STRING ) ); - - return( len ); -} - - -#endif diff --git a/polarssl/src/library/base64.c b/polarssl/src/library/base64.c deleted file mode 100644 index 8601c94..0000000 --- a/polarssl/src/library/base64.c +++ /dev/null @@ -1,254 +0,0 @@ -/* - * RFC 1521 base64 encoding/decoding - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_BASE64_C) - -#include "polarssl/base64.h" - -static const unsigned char base64_enc_map[64] = -{ - 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', - 'K', 'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', - 'U', 'V', 'W', 'X', 'Y', 'Z', 'a', 'b', 'c', 'd', - 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', - 'o', 'p', 'q', 'r', 's', 't', 'u', 'v', 'w', 'x', - 'y', 'z', '0', '1', '2', '3', '4', '5', '6', '7', - '8', '9', '+', '/' -}; - -static const unsigned char base64_dec_map[128] = -{ - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 127, 127, 127, 127, 127, 127, 127, - 127, 127, 127, 62, 127, 127, 127, 63, 52, 53, - 54, 55, 56, 57, 58, 59, 60, 61, 127, 127, - 127, 64, 127, 127, 127, 0, 1, 2, 3, 4, - 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, - 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, - 25, 127, 127, 127, 127, 127, 127, 26, 27, 28, - 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, - 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, - 49, 50, 51, 127, 127, 127, 127, 127 -}; - -/* - * Encode a buffer into base64 format - */ -int base64_encode( unsigned char *dst, size_t *dlen, - const unsigned char *src, size_t slen ) -{ - size_t i, n; - int C1, C2, C3; - unsigned char *p; - - if( slen == 0 ) - return( 0 ); - - n = (slen << 3) / 6; - - switch( (slen << 3) - (n * 6) ) - { - case 2: n += 3; break; - case 4: n += 2; break; - default: break; - } - - if( *dlen < n + 1 ) - { - *dlen = n + 1; - return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL ); - } - - n = (slen / 3) * 3; - - for( i = 0, p = dst; i < n; i += 3 ) - { - C1 = *src++; - C2 = *src++; - C3 = *src++; - - *p++ = base64_enc_map[(C1 >> 2) & 0x3F]; - *p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F]; - *p++ = base64_enc_map[(((C2 & 15) << 2) + (C3 >> 6)) & 0x3F]; - *p++ = base64_enc_map[C3 & 0x3F]; - } - - if( i < slen ) - { - C1 = *src++; - C2 = ((i + 1) < slen) ? *src++ : 0; - - *p++ = base64_enc_map[(C1 >> 2) & 0x3F]; - *p++ = base64_enc_map[(((C1 & 3) << 4) + (C2 >> 4)) & 0x3F]; - - if( (i + 1) < slen ) - *p++ = base64_enc_map[((C2 & 15) << 2) & 0x3F]; - else *p++ = '='; - - *p++ = '='; - } - - *dlen = p - dst; - *p = 0; - - return( 0 ); -} - -/* - * Decode a base64-formatted buffer - */ -int base64_decode( unsigned char *dst, size_t *dlen, - const unsigned char *src, size_t slen ) -{ - size_t i, j, n; - unsigned long x; - unsigned char *p; - - for( i = j = n = 0; i < slen; i++ ) - { - if( ( slen - i ) >= 2 && - src[i] == '\r' && src[i + 1] == '\n' ) - continue; - - if( src[i] == '\n' ) - continue; - - if( src[i] == '=' && ++j > 2 ) - return( POLARSSL_ERR_BASE64_INVALID_CHARACTER ); - - if( src[i] > 127 || base64_dec_map[src[i]] == 127 ) - return( POLARSSL_ERR_BASE64_INVALID_CHARACTER ); - - if( base64_dec_map[src[i]] < 64 && j != 0 ) - return( POLARSSL_ERR_BASE64_INVALID_CHARACTER ); - - n++; - } - - if( n == 0 ) - return( 0 ); - - n = ((n * 6) + 7) >> 3; - - if( *dlen < n ) - { - *dlen = n; - return( POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL ); - } - - for( j = 3, n = x = 0, p = dst; i > 0; i--, src++ ) - { - if( *src == '\r' || *src == '\n' ) - continue; - - j -= ( base64_dec_map[*src] == 64 ); - x = (x << 6) | ( base64_dec_map[*src] & 0x3F ); - - if( ++n == 4 ) - { - n = 0; - if( j > 0 ) *p++ = (unsigned char)( x >> 16 ); - if( j > 1 ) *p++ = (unsigned char)( x >> 8 ); - if( j > 2 ) *p++ = (unsigned char)( x ); - } - } - - *dlen = p - dst; - - return( 0 ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include <string.h> -#include <stdio.h> - -static const unsigned char base64_test_dec[64] = -{ - 0x24, 0x48, 0x6E, 0x56, 0x87, 0x62, 0x5A, 0xBD, - 0xBF, 0x17, 0xD9, 0xA2, 0xC4, 0x17, 0x1A, 0x01, - 0x94, 0xED, 0x8F, 0x1E, 0x11, 0xB3, 0xD7, 0x09, - 0x0C, 0xB6, 0xE9, 0x10, 0x6F, 0x22, 0xEE, 0x13, - 0xCA, 0xB3, 0x07, 0x05, 0x76, 0xC9, 0xFA, 0x31, - 0x6C, 0x08, 0x34, 0xFF, 0x8D, 0xC2, 0x6C, 0x38, - 0x00, 0x43, 0xE9, 0x54, 0x97, 0xAF, 0x50, 0x4B, - 0xD1, 0x41, 0xBA, 0x95, 0x31, 0x5A, 0x0B, 0x97 -}; - -static const unsigned char base64_test_enc[] = - "JEhuVodiWr2/F9mixBcaAZTtjx4Rs9cJDLbpEG8i7hPK" - "swcFdsn6MWwINP+Nwmw4AEPpVJevUEvRQbqVMVoLlw=="; - -/* - * Checkup routine - */ -int base64_self_test( int verbose ) -{ - size_t len; - unsigned char *src, buffer[128]; - - if( verbose != 0 ) - printf( " Base64 encoding test: " ); - - len = sizeof( buffer ); - src = (unsigned char *) base64_test_dec; - - if( base64_encode( buffer, &len, src, 64 ) != 0 || - memcmp( base64_test_enc, buffer, 88 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n Base64 decoding test: " ); - - len = sizeof( buffer ); - src = (unsigned char *) base64_test_enc; - - if( base64_decode( buffer, &len, src, 88 ) != 0 || - memcmp( base64_test_dec, buffer, 64 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/bignum.c b/polarssl/src/library/bignum.c deleted file mode 100644 index 0cb9505..0000000 --- a/polarssl/src/library/bignum.c +++ /dev/null @@ -1,2111 +0,0 @@ -/* - * Multi-precision integer library - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * This MPI implementation is based on: - * - * http://www.cacr.math.uwaterloo.ca/hac/about/chap14.pdf - * http://www.stillhq.com/extracted/gnupg-api/mpi/ - * http://math.libtomcrypt.com/files/tommath.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_BIGNUM_C) - -#include "polarssl/bignum.h" -#include "polarssl/bn_mul.h" - -#include <stdlib.h> - -#define ciL (sizeof(t_uint)) /* chars in limb */ -#define biL (ciL << 3) /* bits in limb */ -#define biH (ciL << 2) /* half limb size */ - -/* - * Convert between bits/chars and number of limbs - */ -#define BITS_TO_LIMBS(i) (((i) + biL - 1) / biL) -#define CHARS_TO_LIMBS(i) (((i) + ciL - 1) / ciL) - -/* - * Initialize one MPI - */ -void mpi_init( mpi *X ) -{ - if( X == NULL ) - return; - - X->s = 1; - X->n = 0; - X->p = NULL; -} - -/* - * Unallocate one MPI - */ -void mpi_free( mpi *X ) -{ - if( X == NULL ) - return; - - if( X->p != NULL ) - { - memset( X->p, 0, X->n * ciL ); - free( X->p ); - } - - X->s = 1; - X->n = 0; - X->p = NULL; -} - -/* - * Enlarge to the specified number of limbs - */ -int mpi_grow( mpi *X, size_t nblimbs ) -{ - t_uint *p; - - if( nblimbs > POLARSSL_MPI_MAX_LIMBS ) - return( POLARSSL_ERR_MPI_MALLOC_FAILED ); - - if( X->n < nblimbs ) - { - if( ( p = (t_uint *) malloc( nblimbs * ciL ) ) == NULL ) - return( POLARSSL_ERR_MPI_MALLOC_FAILED ); - - memset( p, 0, nblimbs * ciL ); - - if( X->p != NULL ) - { - memcpy( p, X->p, X->n * ciL ); - memset( X->p, 0, X->n * ciL ); - free( X->p ); - } - - X->n = nblimbs; - X->p = p; - } - - return( 0 ); -} - -/* - * Copy the contents of Y into X - */ -int mpi_copy( mpi *X, const mpi *Y ) -{ - int ret; - size_t i; - - if( X == Y ) - return( 0 ); - - for( i = Y->n - 1; i > 0; i-- ) - if( Y->p[i] != 0 ) - break; - i++; - - X->s = Y->s; - - MPI_CHK( mpi_grow( X, i ) ); - - memset( X->p, 0, X->n * ciL ); - memcpy( X->p, Y->p, i * ciL ); - -cleanup: - - return( ret ); -} - -/* - * Swap the contents of X and Y - */ -void mpi_swap( mpi *X, mpi *Y ) -{ - mpi T; - - memcpy( &T, X, sizeof( mpi ) ); - memcpy( X, Y, sizeof( mpi ) ); - memcpy( Y, &T, sizeof( mpi ) ); -} - -/* - * Set value from integer - */ -int mpi_lset( mpi *X, t_sint z ) -{ - int ret; - - MPI_CHK( mpi_grow( X, 1 ) ); - memset( X->p, 0, X->n * ciL ); - - X->p[0] = ( z < 0 ) ? -z : z; - X->s = ( z < 0 ) ? -1 : 1; - -cleanup: - - return( ret ); -} - -/* - * Get a specific bit - */ -int mpi_get_bit( mpi *X, size_t pos ) -{ - if( X->n * biL <= pos ) - return( 0 ); - - return ( X->p[pos / biL] >> ( pos % biL ) ) & 0x01; -} - -/* - * Set a bit to a specific value of 0 or 1 - */ -int mpi_set_bit( mpi *X, size_t pos, unsigned char val ) -{ - int ret = 0; - size_t off = pos / biL; - size_t idx = pos % biL; - - if( val != 0 && val != 1 ) - return POLARSSL_ERR_MPI_BAD_INPUT_DATA; - - if( X->n * biL <= pos ) - { - if( val == 0 ) - return ( 0 ); - - MPI_CHK( mpi_grow( X, off + 1 ) ); - } - - X->p[off] = ( X->p[off] & ~( 0x01 << idx ) ) | ( val << idx ); - -cleanup: - - return( ret ); -} - -/* - * Return the number of least significant bits - */ -size_t mpi_lsb( const mpi *X ) -{ - size_t i, j, count = 0; - - for( i = 0; i < X->n; i++ ) - for( j = 0; j < biL; j++, count++ ) - if( ( ( X->p[i] >> j ) & 1 ) != 0 ) - return( count ); - - return( 0 ); -} - -/* - * Return the number of most significant bits - */ -size_t mpi_msb( const mpi *X ) -{ - size_t i, j; - - for( i = X->n - 1; i > 0; i-- ) - if( X->p[i] != 0 ) - break; - - for( j = biL; j > 0; j-- ) - if( ( ( X->p[i] >> ( j - 1 ) ) & 1 ) != 0 ) - break; - - return( ( i * biL ) + j ); -} - -/* - * Return the total size in bytes - */ -size_t mpi_size( const mpi *X ) -{ - return( ( mpi_msb( X ) + 7 ) >> 3 ); -} - -/* - * Convert an ASCII character to digit value - */ -static int mpi_get_digit( t_uint *d, int radix, char c ) -{ - *d = 255; - - if( c >= 0x30 && c <= 0x39 ) *d = c - 0x30; - if( c >= 0x41 && c <= 0x46 ) *d = c - 0x37; - if( c >= 0x61 && c <= 0x66 ) *d = c - 0x57; - - if( *d >= (t_uint) radix ) - return( POLARSSL_ERR_MPI_INVALID_CHARACTER ); - - return( 0 ); -} - -/* - * Import from an ASCII string - */ -int mpi_read_string( mpi *X, int radix, const char *s ) -{ - int ret; - size_t i, j, slen, n; - t_uint d; - mpi T; - - if( radix < 2 || radix > 16 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - mpi_init( &T ); - - slen = strlen( s ); - - if( radix == 16 ) - { - n = BITS_TO_LIMBS( slen << 2 ); - - MPI_CHK( mpi_grow( X, n ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i = slen, j = 0; i > 0; i--, j++ ) - { - if( i == 1 && s[i - 1] == '-' ) - { - X->s = -1; - break; - } - - MPI_CHK( mpi_get_digit( &d, radix, s[i - 1] ) ); - X->p[j / (2 * ciL)] |= d << ( (j % (2 * ciL)) << 2 ); - } - } - else - { - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i = 0; i < slen; i++ ) - { - if( i == 0 && s[i] == '-' ) - { - X->s = -1; - continue; - } - - MPI_CHK( mpi_get_digit( &d, radix, s[i] ) ); - MPI_CHK( mpi_mul_int( &T, X, radix ) ); - - if( X->s == 1 ) - { - MPI_CHK( mpi_add_int( X, &T, d ) ); - } - else - { - MPI_CHK( mpi_sub_int( X, &T, d ) ); - } - } - } - -cleanup: - - mpi_free( &T ); - - return( ret ); -} - -/* - * Helper to write the digits high-order first - */ -static int mpi_write_hlp( mpi *X, int radix, char **p ) -{ - int ret; - t_uint r; - - if( radix < 2 || radix > 16 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - MPI_CHK( mpi_mod_int( &r, X, radix ) ); - MPI_CHK( mpi_div_int( X, NULL, X, radix ) ); - - if( mpi_cmp_int( X, 0 ) != 0 ) - MPI_CHK( mpi_write_hlp( X, radix, p ) ); - - if( r < 10 ) - *(*p)++ = (char)( r + 0x30 ); - else - *(*p)++ = (char)( r + 0x37 ); - -cleanup: - - return( ret ); -} - -/* - * Export into an ASCII string - */ -int mpi_write_string( const mpi *X, int radix, char *s, size_t *slen ) -{ - int ret = 0; - size_t n; - char *p; - mpi T; - - if( radix < 2 || radix > 16 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - n = mpi_msb( X ); - if( radix >= 4 ) n >>= 1; - if( radix >= 16 ) n >>= 1; - n += 3; - - if( *slen < n ) - { - *slen = n; - return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL ); - } - - p = s; - mpi_init( &T ); - - if( X->s == -1 ) - *p++ = '-'; - - if( radix == 16 ) - { - int c; - size_t i, j, k; - - for( i = X->n, k = 0; i > 0; i-- ) - { - for( j = ciL; j > 0; j-- ) - { - c = ( X->p[i - 1] >> ( ( j - 1 ) << 3) ) & 0xFF; - - if( c == 0 && k == 0 && ( i + j + 3 ) != 0 ) - continue; - - p += sprintf( p, "%02X", c ); - k = 1; - } - } - } - else - { - MPI_CHK( mpi_copy( &T, X ) ); - - if( T.s == -1 ) - T.s = 1; - - MPI_CHK( mpi_write_hlp( &T, radix, &p ) ); - } - - *p++ = '\0'; - *slen = p - s; - -cleanup: - - mpi_free( &T ); - - return( ret ); -} - -#if defined(POLARSSL_FS_IO) -/* - * Read X from an opened file - */ -int mpi_read_file( mpi *X, int radix, FILE *fin ) -{ - t_uint d; - size_t slen; - char *p; - /* - * Buffer should have space for (short) label and decimal formatted MPI, - * newline characters and '\0' - */ - char s[ POLARSSL_MPI_READ_BUFFER_SIZE ]; - - memset( s, 0, sizeof( s ) ); - if( fgets( s, sizeof( s ) - 1, fin ) == NULL ) - return( POLARSSL_ERR_MPI_FILE_IO_ERROR ); - - slen = strlen( s ); - if( slen == sizeof( s ) - 2 ) - return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL ); - - if( s[slen - 1] == '\n' ) { slen--; s[slen] = '\0'; } - if( s[slen - 1] == '\r' ) { slen--; s[slen] = '\0'; } - - p = s + slen; - while( --p >= s ) - if( mpi_get_digit( &d, radix, *p ) != 0 ) - break; - - return( mpi_read_string( X, radix, p + 1 ) ); -} - -/* - * Write X into an opened file (or stdout if fout == NULL) - */ -int mpi_write_file( const char *p, const mpi *X, int radix, FILE *fout ) -{ - int ret; - size_t n, slen, plen; - /* - * Buffer should have space for minus sign, hexified MPI and '\0' - */ - char s[ 2 * POLARSSL_MPI_MAX_SIZE + 2 ]; - - n = sizeof( s ); - memset( s, 0, n ); - n -= 2; - - MPI_CHK( mpi_write_string( X, radix, s, (size_t *) &n ) ); - - if( p == NULL ) p = ""; - - plen = strlen( p ); - slen = strlen( s ); - s[slen++] = '\r'; - s[slen++] = '\n'; - - if( fout != NULL ) - { - if( fwrite( p, 1, plen, fout ) != plen || - fwrite( s, 1, slen, fout ) != slen ) - return( POLARSSL_ERR_MPI_FILE_IO_ERROR ); - } - else - printf( "%s%s", p, s ); - -cleanup: - - return( ret ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * Import X from unsigned binary data, big endian - */ -int mpi_read_binary( mpi *X, const unsigned char *buf, size_t buflen ) -{ - int ret; - size_t i, j, n; - - for( n = 0; n < buflen; n++ ) - if( buf[n] != 0 ) - break; - - MPI_CHK( mpi_grow( X, CHARS_TO_LIMBS( buflen - n ) ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i = buflen, j = 0; i > n; i--, j++ ) - X->p[j / ciL] |= ((t_uint) buf[i - 1]) << ((j % ciL) << 3); - -cleanup: - - return( ret ); -} - -/* - * Export X into unsigned binary data, big endian - */ -int mpi_write_binary( const mpi *X, unsigned char *buf, size_t buflen ) -{ - size_t i, j, n; - - n = mpi_size( X ); - - if( buflen < n ) - return( POLARSSL_ERR_MPI_BUFFER_TOO_SMALL ); - - memset( buf, 0, buflen ); - - for( i = buflen - 1, j = 0; n > 0; i--, j++, n-- ) - buf[i] = (unsigned char)( X->p[j / ciL] >> ((j % ciL) << 3) ); - - return( 0 ); -} - -/* - * Left-shift: X <<= count - */ -int mpi_shift_l( mpi *X, size_t count ) -{ - int ret; - size_t i, v0, t1; - t_uint r0 = 0, r1; - - v0 = count / (biL ); - t1 = count & (biL - 1); - - i = mpi_msb( X ) + count; - - if( X->n * biL < i ) - MPI_CHK( mpi_grow( X, BITS_TO_LIMBS( i ) ) ); - - ret = 0; - - /* - * shift by count / limb_size - */ - if( v0 > 0 ) - { - for( i = X->n; i > v0; i-- ) - X->p[i - 1] = X->p[i - v0 - 1]; - - for( ; i > 0; i-- ) - X->p[i - 1] = 0; - } - - /* - * shift by count % limb_size - */ - if( t1 > 0 ) - { - for( i = v0; i < X->n; i++ ) - { - r1 = X->p[i] >> (biL - t1); - X->p[i] <<= t1; - X->p[i] |= r0; - r0 = r1; - } - } - -cleanup: - - return( ret ); -} - -/* - * Right-shift: X >>= count - */ -int mpi_shift_r( mpi *X, size_t count ) -{ - size_t i, v0, v1; - t_uint r0 = 0, r1; - - v0 = count / biL; - v1 = count & (biL - 1); - - /* - * shift by count / limb_size - */ - if( v0 > 0 ) - { - for( i = 0; i < X->n - v0; i++ ) - X->p[i] = X->p[i + v0]; - - for( ; i < X->n; i++ ) - X->p[i] = 0; - } - - /* - * shift by count % limb_size - */ - if( v1 > 0 ) - { - for( i = X->n; i > 0; i-- ) - { - r1 = X->p[i - 1] << (biL - v1); - X->p[i - 1] >>= v1; - X->p[i - 1] |= r0; - r0 = r1; - } - } - - return( 0 ); -} - -/* - * Compare unsigned values - */ -int mpi_cmp_abs( const mpi *X, const mpi *Y ) -{ - size_t i, j; - - for( i = X->n; i > 0; i-- ) - if( X->p[i - 1] != 0 ) - break; - - for( j = Y->n; j > 0; j-- ) - if( Y->p[j - 1] != 0 ) - break; - - if( i == 0 && j == 0 ) - return( 0 ); - - if( i > j ) return( 1 ); - if( j > i ) return( -1 ); - - for( ; i > 0; i-- ) - { - if( X->p[i - 1] > Y->p[i - 1] ) return( 1 ); - if( X->p[i - 1] < Y->p[i - 1] ) return( -1 ); - } - - return( 0 ); -} - -/* - * Compare signed values - */ -int mpi_cmp_mpi( const mpi *X, const mpi *Y ) -{ - size_t i, j; - - for( i = X->n; i > 0; i-- ) - if( X->p[i - 1] != 0 ) - break; - - for( j = Y->n; j > 0; j-- ) - if( Y->p[j - 1] != 0 ) - break; - - if( i == 0 && j == 0 ) - return( 0 ); - - if( i > j ) return( X->s ); - if( j > i ) return( -Y->s ); - - if( X->s > 0 && Y->s < 0 ) return( 1 ); - if( Y->s > 0 && X->s < 0 ) return( -1 ); - - for( ; i > 0; i-- ) - { - if( X->p[i - 1] > Y->p[i - 1] ) return( X->s ); - if( X->p[i - 1] < Y->p[i - 1] ) return( -X->s ); - } - - return( 0 ); -} - -/* - * Compare signed values - */ -int mpi_cmp_int( const mpi *X, t_sint z ) -{ - mpi Y; - t_uint p[1]; - - *p = ( z < 0 ) ? -z : z; - Y.s = ( z < 0 ) ? -1 : 1; - Y.n = 1; - Y.p = p; - - return( mpi_cmp_mpi( X, &Y ) ); -} - -/* - * Unsigned addition: X = |A| + |B| (HAC 14.7) - */ -int mpi_add_abs( mpi *X, const mpi *A, const mpi *B ) -{ - int ret; - size_t i, j; - t_uint *o, *p, c; - - if( X == B ) - { - const mpi *T = A; A = X; B = T; - } - - if( X != A ) - MPI_CHK( mpi_copy( X, A ) ); - - /* - * X should always be positive as a result of unsigned additions. - */ - X->s = 1; - - for( j = B->n; j > 0; j-- ) - if( B->p[j - 1] != 0 ) - break; - - MPI_CHK( mpi_grow( X, j ) ); - - o = B->p; p = X->p; c = 0; - - for( i = 0; i < j; i++, o++, p++ ) - { - *p += c; c = ( *p < c ); - *p += *o; c += ( *p < *o ); - } - - while( c != 0 ) - { - if( i >= X->n ) - { - MPI_CHK( mpi_grow( X, i + 1 ) ); - p = X->p + i; - } - - *p += c; c = ( *p < c ); i++; - } - -cleanup: - - return( ret ); -} - -/* - * Helper for mpi substraction - */ -static void mpi_sub_hlp( size_t n, t_uint *s, t_uint *d ) -{ - size_t i; - t_uint c, z; - - for( i = c = 0; i < n; i++, s++, d++ ) - { - z = ( *d < c ); *d -= c; - c = ( *d < *s ) + z; *d -= *s; - } - - while( c != 0 ) - { - z = ( *d < c ); *d -= c; - c = z; i++; d++; - } -} - -/* - * Unsigned substraction: X = |A| - |B| (HAC 14.9) - */ -int mpi_sub_abs( mpi *X, const mpi *A, const mpi *B ) -{ - mpi TB; - int ret; - size_t n; - - if( mpi_cmp_abs( A, B ) < 0 ) - return( POLARSSL_ERR_MPI_NEGATIVE_VALUE ); - - mpi_init( &TB ); - - if( X == B ) - { - MPI_CHK( mpi_copy( &TB, B ) ); - B = &TB; - } - - if( X != A ) - MPI_CHK( mpi_copy( X, A ) ); - - /* - * X should always be positive as a result of unsigned substractions. - */ - X->s = 1; - - ret = 0; - - for( n = B->n; n > 0; n-- ) - if( B->p[n - 1] != 0 ) - break; - - mpi_sub_hlp( n, B->p, X->p ); - -cleanup: - - mpi_free( &TB ); - - return( ret ); -} - -/* - * Signed addition: X = A + B - */ -int mpi_add_mpi( mpi *X, const mpi *A, const mpi *B ) -{ - int ret, s = A->s; - - if( A->s * B->s < 0 ) - { - if( mpi_cmp_abs( A, B ) >= 0 ) - { - MPI_CHK( mpi_sub_abs( X, A, B ) ); - X->s = s; - } - else - { - MPI_CHK( mpi_sub_abs( X, B, A ) ); - X->s = -s; - } - } - else - { - MPI_CHK( mpi_add_abs( X, A, B ) ); - X->s = s; - } - -cleanup: - - return( ret ); -} - -/* - * Signed substraction: X = A - B - */ -int mpi_sub_mpi( mpi *X, const mpi *A, const mpi *B ) -{ - int ret, s = A->s; - - if( A->s * B->s > 0 ) - { - if( mpi_cmp_abs( A, B ) >= 0 ) - { - MPI_CHK( mpi_sub_abs( X, A, B ) ); - X->s = s; - } - else - { - MPI_CHK( mpi_sub_abs( X, B, A ) ); - X->s = -s; - } - } - else - { - MPI_CHK( mpi_add_abs( X, A, B ) ); - X->s = s; - } - -cleanup: - - return( ret ); -} - -/* - * Signed addition: X = A + b - */ -int mpi_add_int( mpi *X, const mpi *A, t_sint b ) -{ - mpi _B; - t_uint p[1]; - - p[0] = ( b < 0 ) ? -b : b; - _B.s = ( b < 0 ) ? -1 : 1; - _B.n = 1; - _B.p = p; - - return( mpi_add_mpi( X, A, &_B ) ); -} - -/* - * Signed substraction: X = A - b - */ -int mpi_sub_int( mpi *X, const mpi *A, t_sint b ) -{ - mpi _B; - t_uint p[1]; - - p[0] = ( b < 0 ) ? -b : b; - _B.s = ( b < 0 ) ? -1 : 1; - _B.n = 1; - _B.p = p; - - return( mpi_sub_mpi( X, A, &_B ) ); -} - -/* - * Helper for mpi multiplication - */ -static void mpi_mul_hlp( size_t i, t_uint *s, t_uint *d, t_uint b ) -{ - t_uint c = 0, t = 0; - -#if defined(MULADDC_HUIT) - for( ; i >= 8; i -= 8 ) - { - MULADDC_INIT - MULADDC_HUIT - MULADDC_STOP - } - - for( ; i > 0; i-- ) - { - MULADDC_INIT - MULADDC_CORE - MULADDC_STOP - } -#else - for( ; i >= 16; i -= 16 ) - { - MULADDC_INIT - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_STOP - } - - for( ; i >= 8; i -= 8 ) - { - MULADDC_INIT - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - - MULADDC_CORE MULADDC_CORE - MULADDC_CORE MULADDC_CORE - MULADDC_STOP - } - - for( ; i > 0; i-- ) - { - MULADDC_INIT - MULADDC_CORE - MULADDC_STOP - } -#endif - - t++; - - do { - *d += c; c = ( *d < c ); d++; - } - while( c != 0 ); -} - -/* - * Baseline multiplication: X = A * B (HAC 14.12) - */ -int mpi_mul_mpi( mpi *X, const mpi *A, const mpi *B ) -{ - int ret; - size_t i, j; - mpi TA, TB; - - mpi_init( &TA ); mpi_init( &TB ); - - if( X == A ) { MPI_CHK( mpi_copy( &TA, A ) ); A = &TA; } - if( X == B ) { MPI_CHK( mpi_copy( &TB, B ) ); B = &TB; } - - for( i = A->n; i > 0; i-- ) - if( A->p[i - 1] != 0 ) - break; - - for( j = B->n; j > 0; j-- ) - if( B->p[j - 1] != 0 ) - break; - - MPI_CHK( mpi_grow( X, i + j ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - for( i++; j > 0; j-- ) - mpi_mul_hlp( i - 1, A->p, X->p + j - 1, B->p[j - 1] ); - - X->s = A->s * B->s; - -cleanup: - - mpi_free( &TB ); mpi_free( &TA ); - - return( ret ); -} - -/* - * Baseline multiplication: X = A * b - */ -int mpi_mul_int( mpi *X, const mpi *A, t_sint b ) -{ - mpi _B; - t_uint p[1]; - - _B.s = 1; - _B.n = 1; - _B.p = p; - p[0] = b; - - return( mpi_mul_mpi( X, A, &_B ) ); -} - -/* - * Division by mpi: A = Q * B + R (HAC 14.20) - */ -int mpi_div_mpi( mpi *Q, mpi *R, const mpi *A, const mpi *B ) -{ - int ret; - size_t i, n, t, k; - mpi X, Y, Z, T1, T2; - - if( mpi_cmp_int( B, 0 ) == 0 ) - return( POLARSSL_ERR_MPI_DIVISION_BY_ZERO ); - - mpi_init( &X ); mpi_init( &Y ); mpi_init( &Z ); - mpi_init( &T1 ); mpi_init( &T2 ); - - if( mpi_cmp_abs( A, B ) < 0 ) - { - if( Q != NULL ) MPI_CHK( mpi_lset( Q, 0 ) ); - if( R != NULL ) MPI_CHK( mpi_copy( R, A ) ); - return( 0 ); - } - - MPI_CHK( mpi_copy( &X, A ) ); - MPI_CHK( mpi_copy( &Y, B ) ); - X.s = Y.s = 1; - - MPI_CHK( mpi_grow( &Z, A->n + 2 ) ); - MPI_CHK( mpi_lset( &Z, 0 ) ); - MPI_CHK( mpi_grow( &T1, 2 ) ); - MPI_CHK( mpi_grow( &T2, 3 ) ); - - k = mpi_msb( &Y ) % biL; - if( k < biL - 1 ) - { - k = biL - 1 - k; - MPI_CHK( mpi_shift_l( &X, k ) ); - MPI_CHK( mpi_shift_l( &Y, k ) ); - } - else k = 0; - - n = X.n - 1; - t = Y.n - 1; - mpi_shift_l( &Y, biL * (n - t) ); - - while( mpi_cmp_mpi( &X, &Y ) >= 0 ) - { - Z.p[n - t]++; - mpi_sub_mpi( &X, &X, &Y ); - } - mpi_shift_r( &Y, biL * (n - t) ); - - for( i = n; i > t ; i-- ) - { - if( X.p[i] >= Y.p[t] ) - Z.p[i - t - 1] = ~0; - else - { -#if defined(POLARSSL_HAVE_LONGLONG) - t_udbl r; - - r = (t_udbl) X.p[i] << biL; - r |= (t_udbl) X.p[i - 1]; - r /= Y.p[t]; - if( r > ((t_udbl) 1 << biL) - 1) - r = ((t_udbl) 1 << biL) - 1; - - Z.p[i - t - 1] = (t_uint) r; -#else - /* - * __udiv_qrnnd_c, from gmp/longlong.h - */ - t_uint q0, q1, r0, r1; - t_uint d0, d1, d, m; - - d = Y.p[t]; - d0 = ( d << biH ) >> biH; - d1 = ( d >> biH ); - - q1 = X.p[i] / d1; - r1 = X.p[i] - d1 * q1; - r1 <<= biH; - r1 |= ( X.p[i - 1] >> biH ); - - m = q1 * d0; - if( r1 < m ) - { - q1--, r1 += d; - while( r1 >= d && r1 < m ) - q1--, r1 += d; - } - r1 -= m; - - q0 = r1 / d1; - r0 = r1 - d1 * q0; - r0 <<= biH; - r0 |= ( X.p[i - 1] << biH ) >> biH; - - m = q0 * d0; - if( r0 < m ) - { - q0--, r0 += d; - while( r0 >= d && r0 < m ) - q0--, r0 += d; - } - r0 -= m; - - Z.p[i - t - 1] = ( q1 << biH ) | q0; -#endif - } - - Z.p[i - t - 1]++; - do - { - Z.p[i - t - 1]--; - - MPI_CHK( mpi_lset( &T1, 0 ) ); - T1.p[0] = (t < 1) ? 0 : Y.p[t - 1]; - T1.p[1] = Y.p[t]; - MPI_CHK( mpi_mul_int( &T1, &T1, Z.p[i - t - 1] ) ); - - MPI_CHK( mpi_lset( &T2, 0 ) ); - T2.p[0] = (i < 2) ? 0 : X.p[i - 2]; - T2.p[1] = (i < 1) ? 0 : X.p[i - 1]; - T2.p[2] = X.p[i]; - } - while( mpi_cmp_mpi( &T1, &T2 ) > 0 ); - - MPI_CHK( mpi_mul_int( &T1, &Y, Z.p[i - t - 1] ) ); - MPI_CHK( mpi_shift_l( &T1, biL * (i - t - 1) ) ); - MPI_CHK( mpi_sub_mpi( &X, &X, &T1 ) ); - - if( mpi_cmp_int( &X, 0 ) < 0 ) - { - MPI_CHK( mpi_copy( &T1, &Y ) ); - MPI_CHK( mpi_shift_l( &T1, biL * (i - t - 1) ) ); - MPI_CHK( mpi_add_mpi( &X, &X, &T1 ) ); - Z.p[i - t - 1]--; - } - } - - if( Q != NULL ) - { - mpi_copy( Q, &Z ); - Q->s = A->s * B->s; - } - - if( R != NULL ) - { - mpi_shift_r( &X, k ); - mpi_copy( R, &X ); - - R->s = A->s; - if( mpi_cmp_int( R, 0 ) == 0 ) - R->s = 1; - } - -cleanup: - - mpi_free( &X ); mpi_free( &Y ); mpi_free( &Z ); - mpi_free( &T1 ); mpi_free( &T2 ); - - return( ret ); -} - -/* - * Division by int: A = Q * b + R - * - * Returns 0 if successful - * 1 if memory allocation failed - * POLARSSL_ERR_MPI_DIVISION_BY_ZERO if b == 0 - */ -int mpi_div_int( mpi *Q, mpi *R, const mpi *A, t_sint b ) -{ - mpi _B; - t_uint p[1]; - - p[0] = ( b < 0 ) ? -b : b; - _B.s = ( b < 0 ) ? -1 : 1; - _B.n = 1; - _B.p = p; - - return( mpi_div_mpi( Q, R, A, &_B ) ); -} - -/* - * Modulo: R = A mod B - */ -int mpi_mod_mpi( mpi *R, const mpi *A, const mpi *B ) -{ - int ret; - - if( mpi_cmp_int( B, 0 ) < 0 ) - return POLARSSL_ERR_MPI_NEGATIVE_VALUE; - - MPI_CHK( mpi_div_mpi( NULL, R, A, B ) ); - - while( mpi_cmp_int( R, 0 ) < 0 ) - MPI_CHK( mpi_add_mpi( R, R, B ) ); - - while( mpi_cmp_mpi( R, B ) >= 0 ) - MPI_CHK( mpi_sub_mpi( R, R, B ) ); - -cleanup: - - return( ret ); -} - -/* - * Modulo: r = A mod b - */ -int mpi_mod_int( t_uint *r, const mpi *A, t_sint b ) -{ - size_t i; - t_uint x, y, z; - - if( b == 0 ) - return( POLARSSL_ERR_MPI_DIVISION_BY_ZERO ); - - if( b < 0 ) - return POLARSSL_ERR_MPI_NEGATIVE_VALUE; - - /* - * handle trivial cases - */ - if( b == 1 ) - { - *r = 0; - return( 0 ); - } - - if( b == 2 ) - { - *r = A->p[0] & 1; - return( 0 ); - } - - /* - * general case - */ - for( i = A->n, y = 0; i > 0; i-- ) - { - x = A->p[i - 1]; - y = ( y << biH ) | ( x >> biH ); - z = y / b; - y -= z * b; - - x <<= biH; - y = ( y << biH ) | ( x >> biH ); - z = y / b; - y -= z * b; - } - - /* - * If A is negative, then the current y represents a negative value. - * Flipping it to the positive side. - */ - if( A->s < 0 && y != 0 ) - y = b - y; - - *r = y; - - return( 0 ); -} - -/* - * Fast Montgomery initialization (thanks to Tom St Denis) - */ -static void mpi_montg_init( t_uint *mm, const mpi *N ) -{ - t_uint x, m0 = N->p[0]; - - x = m0; - x += ( ( m0 + 2 ) & 4 ) << 1; - x *= ( 2 - ( m0 * x ) ); - - if( biL >= 16 ) x *= ( 2 - ( m0 * x ) ); - if( biL >= 32 ) x *= ( 2 - ( m0 * x ) ); - if( biL >= 64 ) x *= ( 2 - ( m0 * x ) ); - - *mm = ~x + 1; -} - -/* - * Montgomery multiplication: A = A * B * R^-1 mod N (HAC 14.36) - */ -static void mpi_montmul( mpi *A, const mpi *B, const mpi *N, t_uint mm, const mpi *T ) -{ - size_t i, n, m; - t_uint u0, u1, *d; - - memset( T->p, 0, T->n * ciL ); - - d = T->p; - n = N->n; - m = ( B->n < n ) ? B->n : n; - - for( i = 0; i < n; i++ ) - { - /* - * T = (T + u0*B + u1*N) / 2^biL - */ - u0 = A->p[i]; - u1 = ( d[0] + u0 * B->p[0] ) * mm; - - mpi_mul_hlp( m, B->p, d, u0 ); - mpi_mul_hlp( n, N->p, d, u1 ); - - *d++ = u0; d[n + 1] = 0; - } - - memcpy( A->p, d, (n + 1) * ciL ); - - if( mpi_cmp_abs( A, N ) >= 0 ) - mpi_sub_hlp( n, N->p, A->p ); - else - /* prevent timing attacks */ - mpi_sub_hlp( n, A->p, T->p ); -} - -/* - * Montgomery reduction: A = A * R^-1 mod N - */ -static void mpi_montred( mpi *A, const mpi *N, t_uint mm, const mpi *T ) -{ - t_uint z = 1; - mpi U; - - U.n = U.s = z; - U.p = &z; - - mpi_montmul( A, &U, N, mm, T ); -} - -/* - * Sliding-window exponentiation: X = A^E mod N (HAC 14.85) - */ -int mpi_exp_mod( mpi *X, const mpi *A, const mpi *E, const mpi *N, mpi *_RR ) -{ - int ret; - size_t wbits, wsize, one = 1; - size_t i, j, nblimbs; - size_t bufsize, nbits; - t_uint ei, mm, state; - mpi RR, T, W[ 2 << POLARSSL_MPI_WINDOW_SIZE ]; - - if( mpi_cmp_int( N, 0 ) < 0 || ( N->p[0] & 1 ) == 0 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - /* - * Init temps and window size - */ - mpi_montg_init( &mm, N ); - mpi_init( &RR ); mpi_init( &T ); - memset( W, 0, sizeof( W ) ); - - i = mpi_msb( E ); - - wsize = ( i > 671 ) ? 6 : ( i > 239 ) ? 5 : - ( i > 79 ) ? 4 : ( i > 23 ) ? 3 : 1; - - if( wsize > POLARSSL_MPI_WINDOW_SIZE ) - wsize = POLARSSL_MPI_WINDOW_SIZE; - - j = N->n + 1; - MPI_CHK( mpi_grow( X, j ) ); - MPI_CHK( mpi_grow( &W[1], j ) ); - MPI_CHK( mpi_grow( &T, j * 2 ) ); - - /* - * If 1st call, pre-compute R^2 mod N - */ - if( _RR == NULL || _RR->p == NULL ) - { - MPI_CHK( mpi_lset( &RR, 1 ) ); - MPI_CHK( mpi_shift_l( &RR, N->n * 2 * biL ) ); - MPI_CHK( mpi_mod_mpi( &RR, &RR, N ) ); - - if( _RR != NULL ) - memcpy( _RR, &RR, sizeof( mpi ) ); - } - else - memcpy( &RR, _RR, sizeof( mpi ) ); - - /* - * W[1] = A * R^2 * R^-1 mod N = A * R mod N - */ - if( mpi_cmp_mpi( A, N ) >= 0 ) - mpi_mod_mpi( &W[1], A, N ); - else mpi_copy( &W[1], A ); - - mpi_montmul( &W[1], &RR, N, mm, &T ); - - /* - * X = R^2 * R^-1 mod N = R mod N - */ - MPI_CHK( mpi_copy( X, &RR ) ); - mpi_montred( X, N, mm, &T ); - - if( wsize > 1 ) - { - /* - * W[1 << (wsize - 1)] = W[1] ^ (wsize - 1) - */ - j = one << (wsize - 1); - - MPI_CHK( mpi_grow( &W[j], N->n + 1 ) ); - MPI_CHK( mpi_copy( &W[j], &W[1] ) ); - - for( i = 0; i < wsize - 1; i++ ) - mpi_montmul( &W[j], &W[j], N, mm, &T ); - - /* - * W[i] = W[i - 1] * W[1] - */ - for( i = j + 1; i < (one << wsize); i++ ) - { - MPI_CHK( mpi_grow( &W[i], N->n + 1 ) ); - MPI_CHK( mpi_copy( &W[i], &W[i - 1] ) ); - - mpi_montmul( &W[i], &W[1], N, mm, &T ); - } - } - - nblimbs = E->n; - bufsize = 0; - nbits = 0; - wbits = 0; - state = 0; - - while( 1 ) - { - if( bufsize == 0 ) - { - if( nblimbs-- == 0 ) - break; - - bufsize = sizeof( t_uint ) << 3; - } - - bufsize--; - - ei = (E->p[nblimbs] >> bufsize) & 1; - - /* - * skip leading 0s - */ - if( ei == 0 && state == 0 ) - continue; - - if( ei == 0 && state == 1 ) - { - /* - * out of window, square X - */ - mpi_montmul( X, X, N, mm, &T ); - continue; - } - - /* - * add ei to current window - */ - state = 2; - - nbits++; - wbits |= (ei << (wsize - nbits)); - - if( nbits == wsize ) - { - /* - * X = X^wsize R^-1 mod N - */ - for( i = 0; i < wsize; i++ ) - mpi_montmul( X, X, N, mm, &T ); - - /* - * X = X * W[wbits] R^-1 mod N - */ - mpi_montmul( X, &W[wbits], N, mm, &T ); - - state--; - nbits = 0; - wbits = 0; - } - } - - /* - * process the remaining bits - */ - for( i = 0; i < nbits; i++ ) - { - mpi_montmul( X, X, N, mm, &T ); - - wbits <<= 1; - - if( (wbits & (one << wsize)) != 0 ) - mpi_montmul( X, &W[1], N, mm, &T ); - } - - /* - * X = A^E * R * R^-1 mod N = A^E mod N - */ - mpi_montred( X, N, mm, &T ); - -cleanup: - - for( i = (one << (wsize - 1)); i < (one << wsize); i++ ) - mpi_free( &W[i] ); - - mpi_free( &W[1] ); mpi_free( &T ); - - if( _RR == NULL ) - mpi_free( &RR ); - - return( ret ); -} - -/* - * Greatest common divisor: G = gcd(A, B) (HAC 14.54) - */ -int mpi_gcd( mpi *G, const mpi *A, const mpi *B ) -{ - int ret; - size_t lz, lzt; - mpi TG, TA, TB; - - mpi_init( &TG ); mpi_init( &TA ); mpi_init( &TB ); - - MPI_CHK( mpi_copy( &TA, A ) ); - MPI_CHK( mpi_copy( &TB, B ) ); - - lz = mpi_lsb( &TA ); - lzt = mpi_lsb( &TB ); - - if ( lzt < lz ) - lz = lzt; - - MPI_CHK( mpi_shift_r( &TA, lz ) ); - MPI_CHK( mpi_shift_r( &TB, lz ) ); - - TA.s = TB.s = 1; - - while( mpi_cmp_int( &TA, 0 ) != 0 ) - { - MPI_CHK( mpi_shift_r( &TA, mpi_lsb( &TA ) ) ); - MPI_CHK( mpi_shift_r( &TB, mpi_lsb( &TB ) ) ); - - if( mpi_cmp_mpi( &TA, &TB ) >= 0 ) - { - MPI_CHK( mpi_sub_abs( &TA, &TA, &TB ) ); - MPI_CHK( mpi_shift_r( &TA, 1 ) ); - } - else - { - MPI_CHK( mpi_sub_abs( &TB, &TB, &TA ) ); - MPI_CHK( mpi_shift_r( &TB, 1 ) ); - } - } - - MPI_CHK( mpi_shift_l( &TB, lz ) ); - MPI_CHK( mpi_copy( G, &TB ) ); - -cleanup: - - mpi_free( &TG ); mpi_free( &TA ); mpi_free( &TB ); - - return( ret ); -} - -int mpi_fill_random( mpi *X, size_t size, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng ) -{ - int ret; - - MPI_CHK( mpi_grow( X, CHARS_TO_LIMBS( size ) ) ); - MPI_CHK( mpi_lset( X, 0 ) ); - - MPI_CHK( f_rng( p_rng, (unsigned char *) X->p, size ) ); - -cleanup: - return( ret ); -} - -#if defined(POLARSSL_GENPRIME) - -/* - * Modular inverse: X = A^-1 mod N (HAC 14.61 / 14.64) - */ -int mpi_inv_mod( mpi *X, const mpi *A, const mpi *N ) -{ - int ret; - mpi G, TA, TU, U1, U2, TB, TV, V1, V2; - - if( mpi_cmp_int( N, 0 ) <= 0 ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - mpi_init( &TA ); mpi_init( &TU ); mpi_init( &U1 ); mpi_init( &U2 ); - mpi_init( &G ); mpi_init( &TB ); mpi_init( &TV ); - mpi_init( &V1 ); mpi_init( &V2 ); - - MPI_CHK( mpi_gcd( &G, A, N ) ); - - if( mpi_cmp_int( &G, 1 ) != 0 ) - { - ret = POLARSSL_ERR_MPI_NOT_ACCEPTABLE; - goto cleanup; - } - - MPI_CHK( mpi_mod_mpi( &TA, A, N ) ); - MPI_CHK( mpi_copy( &TU, &TA ) ); - MPI_CHK( mpi_copy( &TB, N ) ); - MPI_CHK( mpi_copy( &TV, N ) ); - - MPI_CHK( mpi_lset( &U1, 1 ) ); - MPI_CHK( mpi_lset( &U2, 0 ) ); - MPI_CHK( mpi_lset( &V1, 0 ) ); - MPI_CHK( mpi_lset( &V2, 1 ) ); - - do - { - while( ( TU.p[0] & 1 ) == 0 ) - { - MPI_CHK( mpi_shift_r( &TU, 1 ) ); - - if( ( U1.p[0] & 1 ) != 0 || ( U2.p[0] & 1 ) != 0 ) - { - MPI_CHK( mpi_add_mpi( &U1, &U1, &TB ) ); - MPI_CHK( mpi_sub_mpi( &U2, &U2, &TA ) ); - } - - MPI_CHK( mpi_shift_r( &U1, 1 ) ); - MPI_CHK( mpi_shift_r( &U2, 1 ) ); - } - - while( ( TV.p[0] & 1 ) == 0 ) - { - MPI_CHK( mpi_shift_r( &TV, 1 ) ); - - if( ( V1.p[0] & 1 ) != 0 || ( V2.p[0] & 1 ) != 0 ) - { - MPI_CHK( mpi_add_mpi( &V1, &V1, &TB ) ); - MPI_CHK( mpi_sub_mpi( &V2, &V2, &TA ) ); - } - - MPI_CHK( mpi_shift_r( &V1, 1 ) ); - MPI_CHK( mpi_shift_r( &V2, 1 ) ); - } - - if( mpi_cmp_mpi( &TU, &TV ) >= 0 ) - { - MPI_CHK( mpi_sub_mpi( &TU, &TU, &TV ) ); - MPI_CHK( mpi_sub_mpi( &U1, &U1, &V1 ) ); - MPI_CHK( mpi_sub_mpi( &U2, &U2, &V2 ) ); - } - else - { - MPI_CHK( mpi_sub_mpi( &TV, &TV, &TU ) ); - MPI_CHK( mpi_sub_mpi( &V1, &V1, &U1 ) ); - MPI_CHK( mpi_sub_mpi( &V2, &V2, &U2 ) ); - } - } - while( mpi_cmp_int( &TU, 0 ) != 0 ); - - while( mpi_cmp_int( &V1, 0 ) < 0 ) - MPI_CHK( mpi_add_mpi( &V1, &V1, N ) ); - - while( mpi_cmp_mpi( &V1, N ) >= 0 ) - MPI_CHK( mpi_sub_mpi( &V1, &V1, N ) ); - - MPI_CHK( mpi_copy( X, &V1 ) ); - -cleanup: - - mpi_free( &TA ); mpi_free( &TU ); mpi_free( &U1 ); mpi_free( &U2 ); - mpi_free( &G ); mpi_free( &TB ); mpi_free( &TV ); - mpi_free( &V1 ); mpi_free( &V2 ); - - return( ret ); -} - -static const int small_prime[] = -{ - 3, 5, 7, 11, 13, 17, 19, 23, - 29, 31, 37, 41, 43, 47, 53, 59, - 61, 67, 71, 73, 79, 83, 89, 97, - 101, 103, 107, 109, 113, 127, 131, 137, - 139, 149, 151, 157, 163, 167, 173, 179, - 181, 191, 193, 197, 199, 211, 223, 227, - 229, 233, 239, 241, 251, 257, 263, 269, - 271, 277, 281, 283, 293, 307, 311, 313, - 317, 331, 337, 347, 349, 353, 359, 367, - 373, 379, 383, 389, 397, 401, 409, 419, - 421, 431, 433, 439, 443, 449, 457, 461, - 463, 467, 479, 487, 491, 499, 503, 509, - 521, 523, 541, 547, 557, 563, 569, 571, - 577, 587, 593, 599, 601, 607, 613, 617, - 619, 631, 641, 643, 647, 653, 659, 661, - 673, 677, 683, 691, 701, 709, 719, 727, - 733, 739, 743, 751, 757, 761, 769, 773, - 787, 797, 809, 811, 821, 823, 827, 829, - 839, 853, 857, 859, 863, 877, 881, 883, - 887, 907, 911, 919, 929, 937, 941, 947, - 953, 967, 971, 977, 983, 991, 997, -103 -}; - -/* - * Miller-Rabin primality test (HAC 4.24) - */ -int mpi_is_prime( mpi *X, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng ) -{ - int ret, xs; - size_t i, j, n, s; - mpi W, R, T, A, RR; - - if( mpi_cmp_int( X, 0 ) == 0 || - mpi_cmp_int( X, 1 ) == 0 ) - return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE ); - - if( mpi_cmp_int( X, 2 ) == 0 ) - return( 0 ); - - mpi_init( &W ); mpi_init( &R ); mpi_init( &T ); mpi_init( &A ); - mpi_init( &RR ); - - xs = X->s; X->s = 1; - - /* - * test trivial factors first - */ - if( ( X->p[0] & 1 ) == 0 ) - return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE ); - - for( i = 0; small_prime[i] > 0; i++ ) - { - t_uint r; - - if( mpi_cmp_int( X, small_prime[i] ) <= 0 ) - return( 0 ); - - MPI_CHK( mpi_mod_int( &r, X, small_prime[i] ) ); - - if( r == 0 ) - return( POLARSSL_ERR_MPI_NOT_ACCEPTABLE ); - } - - /* - * W = |X| - 1 - * R = W >> lsb( W ) - */ - MPI_CHK( mpi_sub_int( &W, X, 1 ) ); - s = mpi_lsb( &W ); - MPI_CHK( mpi_copy( &R, &W ) ); - MPI_CHK( mpi_shift_r( &R, s ) ); - - i = mpi_msb( X ); - /* - * HAC, table 4.4 - */ - n = ( ( i >= 1300 ) ? 2 : ( i >= 850 ) ? 3 : - ( i >= 650 ) ? 4 : ( i >= 350 ) ? 8 : - ( i >= 250 ) ? 12 : ( i >= 150 ) ? 18 : 27 ); - - for( i = 0; i < n; i++ ) - { - /* - * pick a random A, 1 < A < |X| - 1 - */ - MPI_CHK( mpi_fill_random( &A, X->n * ciL, f_rng, p_rng ) ); - - if( mpi_cmp_mpi( &A, &W ) >= 0 ) - { - j = mpi_msb( &A ) - mpi_msb( &W ); - MPI_CHK( mpi_shift_r( &A, j + 1 ) ); - } - A.p[0] |= 3; - - /* - * A = A^R mod |X| - */ - MPI_CHK( mpi_exp_mod( &A, &A, &R, X, &RR ) ); - - if( mpi_cmp_mpi( &A, &W ) == 0 || - mpi_cmp_int( &A, 1 ) == 0 ) - continue; - - j = 1; - while( j < s && mpi_cmp_mpi( &A, &W ) != 0 ) - { - /* - * A = A * A mod |X| - */ - MPI_CHK( mpi_mul_mpi( &T, &A, &A ) ); - MPI_CHK( mpi_mod_mpi( &A, &T, X ) ); - - if( mpi_cmp_int( &A, 1 ) == 0 ) - break; - - j++; - } - - /* - * not prime if A != |X| - 1 or A == 1 - */ - if( mpi_cmp_mpi( &A, &W ) != 0 || - mpi_cmp_int( &A, 1 ) == 0 ) - { - ret = POLARSSL_ERR_MPI_NOT_ACCEPTABLE; - break; - } - } - -cleanup: - - X->s = xs; - - mpi_free( &W ); mpi_free( &R ); mpi_free( &T ); mpi_free( &A ); - mpi_free( &RR ); - - return( ret ); -} - -/* - * Prime number generation - */ -int mpi_gen_prime( mpi *X, size_t nbits, int dh_flag, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng ) -{ - int ret; - size_t k, n; - mpi Y; - - if( nbits < 3 || nbits > POLARSSL_MPI_MAX_BITS ) - return( POLARSSL_ERR_MPI_BAD_INPUT_DATA ); - - mpi_init( &Y ); - - n = BITS_TO_LIMBS( nbits ); - - MPI_CHK( mpi_fill_random( X, n * ciL, f_rng, p_rng ) ); - - k = mpi_msb( X ); - if( k < nbits ) MPI_CHK( mpi_shift_l( X, nbits - k ) ); - if( k > nbits ) MPI_CHK( mpi_shift_r( X, k - nbits ) ); - - X->p[0] |= 3; - - if( dh_flag == 0 ) - { - while( ( ret = mpi_is_prime( X, f_rng, p_rng ) ) != 0 ) - { - if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE ) - goto cleanup; - - MPI_CHK( mpi_add_int( X, X, 2 ) ); - } - } - else - { - MPI_CHK( mpi_sub_int( &Y, X, 1 ) ); - MPI_CHK( mpi_shift_r( &Y, 1 ) ); - - while( 1 ) - { - if( ( ret = mpi_is_prime( X, f_rng, p_rng ) ) == 0 ) - { - if( ( ret = mpi_is_prime( &Y, f_rng, p_rng ) ) == 0 ) - break; - - if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE ) - goto cleanup; - } - - if( ret != POLARSSL_ERR_MPI_NOT_ACCEPTABLE ) - goto cleanup; - - MPI_CHK( mpi_add_int( &Y, X, 1 ) ); - MPI_CHK( mpi_add_int( X, X, 2 ) ); - MPI_CHK( mpi_shift_r( &Y, 1 ) ); - } - } - -cleanup: - - mpi_free( &Y ); - - return( ret ); -} - -#endif - -#if defined(POLARSSL_SELF_TEST) - -#define GCD_PAIR_COUNT 3 - -static const int gcd_pairs[GCD_PAIR_COUNT][3] = -{ - { 693, 609, 21 }, - { 1764, 868, 28 }, - { 768454923, 542167814, 1 } -}; - -/* - * Checkup routine - */ -int mpi_self_test( int verbose ) -{ - int ret, i; - mpi A, E, N, X, Y, U, V; - - mpi_init( &A ); mpi_init( &E ); mpi_init( &N ); mpi_init( &X ); - mpi_init( &Y ); mpi_init( &U ); mpi_init( &V ); - - MPI_CHK( mpi_read_string( &A, 16, - "EFE021C2645FD1DC586E69184AF4A31E" \ - "D5F53E93B5F123FA41680867BA110131" \ - "944FE7952E2517337780CB0DB80E61AA" \ - "E7C8DDC6C5C6AADEB34EB38A2F40D5E6" ) ); - - MPI_CHK( mpi_read_string( &E, 16, - "B2E7EFD37075B9F03FF989C7C5051C20" \ - "34D2A323810251127E7BF8625A4F49A5" \ - "F3E27F4DA8BD59C47D6DAABA4C8127BD" \ - "5B5C25763222FEFCCFC38B832366C29E" ) ); - - MPI_CHK( mpi_read_string( &N, 16, - "0066A198186C18C10B2F5ED9B522752A" \ - "9830B69916E535C8F047518A889A43A5" \ - "94B6BED27A168D31D4A52F88925AA8F5" ) ); - - MPI_CHK( mpi_mul_mpi( &X, &A, &N ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "602AB7ECA597A3D6B56FF9829A5E8B85" \ - "9E857EA95A03512E2BAE7391688D264A" \ - "A5663B0341DB9CCFD2C4C5F421FEC814" \ - "8001B72E848A38CAE1C65F78E56ABDEF" \ - "E12D3C039B8A02D6BE593F0BBBDA56F1" \ - "ECF677152EF804370C1A305CAF3B5BF1" \ - "30879B56C61DE584A0F53A2447A51E" ) ); - - if( verbose != 0 ) - printf( " MPI test #1 (mul_mpi): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - MPI_CHK( mpi_div_mpi( &X, &Y, &A, &N ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "256567336059E52CAE22925474705F39A94" ) ); - - MPI_CHK( mpi_read_string( &V, 16, - "6613F26162223DF488E9CD48CC132C7A" \ - "0AC93C701B001B092E4E5B9F73BCD27B" \ - "9EE50D0657C77F374E903CDFA4C642" ) ); - - if( verbose != 0 ) - printf( " MPI test #2 (div_mpi): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 || - mpi_cmp_mpi( &Y, &V ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - MPI_CHK( mpi_exp_mod( &X, &A, &E, &N, NULL ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "36E139AEA55215609D2816998ED020BB" \ - "BD96C37890F65171D948E9BC7CBAA4D9" \ - "325D24D6A3C12710F10A09FA08AB87" ) ); - - if( verbose != 0 ) - printf( " MPI test #3 (exp_mod): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - -#if defined(POLARSSL_GENPRIME) - MPI_CHK( mpi_inv_mod( &X, &A, &N ) ); - - MPI_CHK( mpi_read_string( &U, 16, - "003A0AAEDD7E784FC07D8F9EC6E3BFD5" \ - "C3DBA76456363A10869622EAC2DD84EC" \ - "C5B8A74DAC4D09E03B5E0BE779F2DF61" ) ); - - if( verbose != 0 ) - printf( " MPI test #4 (inv_mod): " ); - - if( mpi_cmp_mpi( &X, &U ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); -#endif - - if( verbose != 0 ) - printf( " MPI test #5 (simple gcd): " ); - - for ( i = 0; i < GCD_PAIR_COUNT; i++) - { - MPI_CHK( mpi_lset( &X, gcd_pairs[i][0] ) ); - MPI_CHK( mpi_lset( &Y, gcd_pairs[i][1] ) ); - - MPI_CHK( mpi_gcd( &A, &X, &Y ) ); - - if( mpi_cmp_int( &A, gcd_pairs[i][2] ) != 0 ) - { - if( verbose != 0 ) - printf( "failed at %d\n", i ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - -cleanup: - - if( ret != 0 && verbose != 0 ) - printf( "Unexpected error, return code = %08X\n", ret ); - - mpi_free( &A ); mpi_free( &E ); mpi_free( &N ); mpi_free( &X ); - mpi_free( &Y ); mpi_free( &U ); mpi_free( &V ); - - if( verbose != 0 ) - printf( "\n" ); - - return( ret ); -} - -#endif - -#endif diff --git a/polarssl/src/library/camellia.c b/polarssl/src/library/camellia.c deleted file mode 100644 index 34b8f29..0000000 --- a/polarssl/src/library/camellia.c +++ /dev/null @@ -1,1032 +0,0 @@ -/* - * Camellia implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The Camellia block cipher was designed by NTT and Mitsubishi Electric - * Corporation. - * - * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/01espec.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_CAMELLIA_C) - -#include "polarssl/camellia.h" - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_ULONG_BE -#define GET_ULONG_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ - | ( (unsigned long) (b)[(i) + 1] << 16 ) \ - | ( (unsigned long) (b)[(i) + 2] << 8 ) \ - | ( (unsigned long) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_ULONG_BE -#define PUT_ULONG_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -static const unsigned char SIGMA_CHARS[6][8] = -{ - { 0xa0, 0x9e, 0x66, 0x7f, 0x3b, 0xcc, 0x90, 0x8b }, - { 0xb6, 0x7a, 0xe8, 0x58, 0x4c, 0xaa, 0x73, 0xb2 }, - { 0xc6, 0xef, 0x37, 0x2f, 0xe9, 0x4f, 0x82, 0xbe }, - { 0x54, 0xff, 0x53, 0xa5, 0xf1, 0xd3, 0x6f, 0x1c }, - { 0x10, 0xe5, 0x27, 0xfa, 0xde, 0x68, 0x2d, 0x1d }, - { 0xb0, 0x56, 0x88, 0xc2, 0xb3, 0xe6, 0xc1, 0xfd } -}; - -#if defined(POLARSSL_CAMELLIA_SMALL_MEMORY) - -static const unsigned char FSb[256] = -{ - 112,130, 44,236,179, 39,192,229,228,133, 87, 53,234, 12,174, 65, - 35,239,107,147, 69, 25,165, 33,237, 14, 79, 78, 29,101,146,189, - 134,184,175,143,124,235, 31,206, 62, 48,220, 95, 94,197, 11, 26, - 166,225, 57,202,213, 71, 93, 61,217, 1, 90,214, 81, 86,108, 77, - 139, 13,154,102,251,204,176, 45,116, 18, 43, 32,240,177,132,153, - 223, 76,203,194, 52,126,118, 5,109,183,169, 49,209, 23, 4,215, - 20, 88, 58, 97,222, 27, 17, 28, 50, 15,156, 22, 83, 24,242, 34, - 254, 68,207,178,195,181,122,145, 36, 8,232,168, 96,252,105, 80, - 170,208,160,125,161,137, 98,151, 84, 91, 30,149,224,255,100,210, - 16,196, 0, 72,163,247,117,219,138, 3,230,218, 9, 63,221,148, - 135, 92,131, 2,205, 74,144, 51,115,103,246,243,157,127,191,226, - 82,155,216, 38,200, 55,198, 59,129,150,111, 75, 19,190, 99, 46, - 233,121,167,140,159,110,188,142, 41,245,249,182, 47,253,180, 89, - 120,152, 6,106,231, 70,113,186,212, 37,171, 66,136,162,141,250, - 114, 7,185, 85,248,238,172, 10, 54, 73, 42,104, 60, 56,241,164, - 64, 40,211,123,187,201, 67,193, 21,227,173,244,119,199,128,158 -}; - -#define SBOX1(n) FSb[(n)] -#define SBOX2(n) (unsigned char)((FSb[(n)] >> 7 ^ FSb[(n)] << 1) & 0xff) -#define SBOX3(n) (unsigned char)((FSb[(n)] >> 1 ^ FSb[(n)] << 7) & 0xff) -#define SBOX4(n) FSb[((n) << 1 ^ (n) >> 7) &0xff] - -#else - -static const unsigned char FSb[256] = -{ - 112, 130, 44, 236, 179, 39, 192, 229, 228, 133, 87, 53, 234, 12, 174, 65, - 35, 239, 107, 147, 69, 25, 165, 33, 237, 14, 79, 78, 29, 101, 146, 189, - 134, 184, 175, 143, 124, 235, 31, 206, 62, 48, 220, 95, 94, 197, 11, 26, - 166, 225, 57, 202, 213, 71, 93, 61, 217, 1, 90, 214, 81, 86, 108, 77, - 139, 13, 154, 102, 251, 204, 176, 45, 116, 18, 43, 32, 240, 177, 132, 153, - 223, 76, 203, 194, 52, 126, 118, 5, 109, 183, 169, 49, 209, 23, 4, 215, - 20, 88, 58, 97, 222, 27, 17, 28, 50, 15, 156, 22, 83, 24, 242, 34, - 254, 68, 207, 178, 195, 181, 122, 145, 36, 8, 232, 168, 96, 252, 105, 80, - 170, 208, 160, 125, 161, 137, 98, 151, 84, 91, 30, 149, 224, 255, 100, 210, - 16, 196, 0, 72, 163, 247, 117, 219, 138, 3, 230, 218, 9, 63, 221, 148, - 135, 92, 131, 2, 205, 74, 144, 51, 115, 103, 246, 243, 157, 127, 191, 226, - 82, 155, 216, 38, 200, 55, 198, 59, 129, 150, 111, 75, 19, 190, 99, 46, - 233, 121, 167, 140, 159, 110, 188, 142, 41, 245, 249, 182, 47, 253, 180, 89, - 120, 152, 6, 106, 231, 70, 113, 186, 212, 37, 171, 66, 136, 162, 141, 250, - 114, 7, 185, 85, 248, 238, 172, 10, 54, 73, 42, 104, 60, 56, 241, 164, - 64, 40, 211, 123, 187, 201, 67, 193, 21, 227, 173, 244, 119, 199, 128, 158 -}; - -static const unsigned char FSb2[256] = -{ - 224, 5, 88, 217, 103, 78, 129, 203, 201, 11, 174, 106, 213, 24, 93, 130, - 70, 223, 214, 39, 138, 50, 75, 66, 219, 28, 158, 156, 58, 202, 37, 123, - 13, 113, 95, 31, 248, 215, 62, 157, 124, 96, 185, 190, 188, 139, 22, 52, - 77, 195, 114, 149, 171, 142, 186, 122, 179, 2, 180, 173, 162, 172, 216, 154, - 23, 26, 53, 204, 247, 153, 97, 90, 232, 36, 86, 64, 225, 99, 9, 51, - 191, 152, 151, 133, 104, 252, 236, 10, 218, 111, 83, 98, 163, 46, 8, 175, - 40, 176, 116, 194, 189, 54, 34, 56, 100, 30, 57, 44, 166, 48, 229, 68, - 253, 136, 159, 101, 135, 107, 244, 35, 72, 16, 209, 81, 192, 249, 210, 160, - 85, 161, 65, 250, 67, 19, 196, 47, 168, 182, 60, 43, 193, 255, 200, 165, - 32, 137, 0, 144, 71, 239, 234, 183, 21, 6, 205, 181, 18, 126, 187, 41, - 15, 184, 7, 4, 155, 148, 33, 102, 230, 206, 237, 231, 59, 254, 127, 197, - 164, 55, 177, 76, 145, 110, 141, 118, 3, 45, 222, 150, 38, 125, 198, 92, - 211, 242, 79, 25, 63, 220, 121, 29, 82, 235, 243, 109, 94, 251, 105, 178, - 240, 49, 12, 212, 207, 140, 226, 117, 169, 74, 87, 132, 17, 69, 27, 245, - 228, 14, 115, 170, 241, 221, 89, 20, 108, 146, 84, 208, 120, 112, 227, 73, - 128, 80, 167, 246, 119, 147, 134, 131, 42, 199, 91, 233, 238, 143, 1, 61 -}; - -static const unsigned char FSb3[256] = -{ - 56, 65, 22, 118, 217, 147, 96, 242, 114, 194, 171, 154, 117, 6, 87, 160, - 145, 247, 181, 201, 162, 140, 210, 144, 246, 7, 167, 39, 142, 178, 73, 222, - 67, 92, 215, 199, 62, 245, 143, 103, 31, 24, 110, 175, 47, 226, 133, 13, - 83, 240, 156, 101, 234, 163, 174, 158, 236, 128, 45, 107, 168, 43, 54, 166, - 197, 134, 77, 51, 253, 102, 88, 150, 58, 9, 149, 16, 120, 216, 66, 204, - 239, 38, 229, 97, 26, 63, 59, 130, 182, 219, 212, 152, 232, 139, 2, 235, - 10, 44, 29, 176, 111, 141, 136, 14, 25, 135, 78, 11, 169, 12, 121, 17, - 127, 34, 231, 89, 225, 218, 61, 200, 18, 4, 116, 84, 48, 126, 180, 40, - 85, 104, 80, 190, 208, 196, 49, 203, 42, 173, 15, 202, 112, 255, 50, 105, - 8, 98, 0, 36, 209, 251, 186, 237, 69, 129, 115, 109, 132, 159, 238, 74, - 195, 46, 193, 1, 230, 37, 72, 153, 185, 179, 123, 249, 206, 191, 223, 113, - 41, 205, 108, 19, 100, 155, 99, 157, 192, 75, 183, 165, 137, 95, 177, 23, - 244, 188, 211, 70, 207, 55, 94, 71, 148, 250, 252, 91, 151, 254, 90, 172, - 60, 76, 3, 53, 243, 35, 184, 93, 106, 146, 213, 33, 68, 81, 198, 125, - 57, 131, 220, 170, 124, 119, 86, 5, 27, 164, 21, 52, 30, 28, 248, 82, - 32, 20, 233, 189, 221, 228, 161, 224, 138, 241, 214, 122, 187, 227, 64, 79 -}; - -static const unsigned char FSb4[256] = -{ - 112, 44, 179, 192, 228, 87, 234, 174, 35, 107, 69, 165, 237, 79, 29, 146, - 134, 175, 124, 31, 62, 220, 94, 11, 166, 57, 213, 93, 217, 90, 81, 108, - 139, 154, 251, 176, 116, 43, 240, 132, 223, 203, 52, 118, 109, 169, 209, 4, - 20, 58, 222, 17, 50, 156, 83, 242, 254, 207, 195, 122, 36, 232, 96, 105, - 170, 160, 161, 98, 84, 30, 224, 100, 16, 0, 163, 117, 138, 230, 9, 221, - 135, 131, 205, 144, 115, 246, 157, 191, 82, 216, 200, 198, 129, 111, 19, 99, - 233, 167, 159, 188, 41, 249, 47, 180, 120, 6, 231, 113, 212, 171, 136, 141, - 114, 185, 248, 172, 54, 42, 60, 241, 64, 211, 187, 67, 21, 173, 119, 128, - 130, 236, 39, 229, 133, 53, 12, 65, 239, 147, 25, 33, 14, 78, 101, 189, - 184, 143, 235, 206, 48, 95, 197, 26, 225, 202, 71, 61, 1, 214, 86, 77, - 13, 102, 204, 45, 18, 32, 177, 153, 76, 194, 126, 5, 183, 49, 23, 215, - 88, 97, 27, 28, 15, 22, 24, 34, 68, 178, 181, 145, 8, 168, 252, 80, - 208, 125, 137, 151, 91, 149, 255, 210, 196, 72, 247, 219, 3, 218, 63, 148, - 92, 2, 74, 51, 103, 243, 127, 226, 155, 38, 55, 59, 150, 75, 190, 46, - 121, 140, 110, 142, 245, 182, 253, 89, 152, 106, 70, 186, 37, 66, 162, 250, - 7, 85, 238, 10, 73, 104, 56, 164, 40, 123, 201, 193, 227, 244, 199, 158 -}; - -#define SBOX1(n) FSb[(n)] -#define SBOX2(n) FSb2[(n)] -#define SBOX3(n) FSb3[(n)] -#define SBOX4(n) FSb4[(n)] - -#endif - -static const unsigned char shifts[2][4][4] = -{ - { - { 1, 1, 1, 1 }, /* KL */ - { 0, 0, 0, 0 }, /* KR */ - { 1, 1, 1, 1 }, /* KA */ - { 0, 0, 0, 0 } /* KB */ - }, - { - { 1, 0, 1, 1 }, /* KL */ - { 1, 1, 0, 1 }, /* KR */ - { 1, 1, 1, 0 }, /* KA */ - { 1, 1, 0, 1 } /* KB */ - } -}; - -static const signed char indexes[2][4][20] = -{ - { - { 0, 1, 2, 3, 8, 9, 10, 11, 38, 39, - 36, 37, 23, 20, 21, 22, 27, -1, -1, 26 }, /* KL -> RK */ - { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 }, /* KR -> RK */ - { 4, 5, 6, 7, 12, 13, 14, 15, 16, 17, - 18, 19, -1, 24, 25, -1, 31, 28, 29, 30 }, /* KA -> RK */ - { -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, - -1, -1, -1, -1, -1, -1, -1, -1, -1, -1 } /* KB -> RK */ - }, - { - { 0, 1, 2, 3, 61, 62, 63, 60, -1, -1, - -1, -1, 27, 24, 25, 26, 35, 32, 33, 34 }, /* KL -> RK */ - { -1, -1, -1, -1, 8, 9, 10, 11, 16, 17, - 18, 19, -1, -1, -1, -1, 39, 36, 37, 38 }, /* KR -> RK */ - { -1, -1, -1, -1, 12, 13, 14, 15, 58, 59, - 56, 57, 31, 28, 29, 30, -1, -1, -1, -1 }, /* KA -> RK */ - { 4, 5, 6, 7, 65, 66, 67, 64, 20, 21, - 22, 23, -1, -1, -1, -1, 43, 40, 41, 42 } /* KB -> RK */ - } -}; - -static const signed char transposes[2][20] = -{ - { - 21, 22, 23, 20, - -1, -1, -1, -1, - 18, 19, 16, 17, - 11, 8, 9, 10, - 15, 12, 13, 14 - }, - { - 25, 26, 27, 24, - 29, 30, 31, 28, - 18, 19, 16, 17, - -1, -1, -1, -1, - -1, -1, -1, -1 - } -}; - -/* Shift macro for 128 bit strings with rotation smaller than 32 bits (!) */ -#define ROTL(DEST, SRC, SHIFT) \ -{ \ - (DEST)[0] = (SRC)[0] << (SHIFT) ^ (SRC)[1] >> (32 - (SHIFT)); \ - (DEST)[1] = (SRC)[1] << (SHIFT) ^ (SRC)[2] >> (32 - (SHIFT)); \ - (DEST)[2] = (SRC)[2] << (SHIFT) ^ (SRC)[3] >> (32 - (SHIFT)); \ - (DEST)[3] = (SRC)[3] << (SHIFT) ^ (SRC)[0] >> (32 - (SHIFT)); \ -} - -#define FL(XL, XR, KL, KR) \ -{ \ - (XR) = ((((XL) & (KL)) << 1) | (((XL) & (KL)) >> 31)) ^ (XR); \ - (XL) = ((XR) | (KR)) ^ (XL); \ -} - -#define FLInv(YL, YR, KL, KR) \ -{ \ - (YL) = ((YR) | (KR)) ^ (YL); \ - (YR) = ((((YL) & (KL)) << 1) | (((YL) & (KL)) >> 31)) ^ (YR); \ -} - -#define SHIFT_AND_PLACE(INDEX, OFFSET) \ -{ \ - TK[0] = KC[(OFFSET) * 4 + 0]; \ - TK[1] = KC[(OFFSET) * 4 + 1]; \ - TK[2] = KC[(OFFSET) * 4 + 2]; \ - TK[3] = KC[(OFFSET) * 4 + 3]; \ - \ - for ( i = 1; i <= 4; i++ ) \ - if (shifts[(INDEX)][(OFFSET)][i -1]) \ - ROTL(TK + i * 4, TK, (15 * i) % 32); \ - \ - for ( i = 0; i < 20; i++ ) \ - if (indexes[(INDEX)][(OFFSET)][i] != -1) { \ - RK[indexes[(INDEX)][(OFFSET)][i]] = TK[ i ]; \ - } \ -} - -static void camellia_feistel(const uint32_t x[2], const uint32_t k[2], uint32_t z[2]) -{ - uint32_t I0, I1; - I0 = x[0] ^ k[0]; - I1 = x[1] ^ k[1]; - - I0 = (SBOX1((I0 >> 24) & 0xFF) << 24) | - (SBOX2((I0 >> 16) & 0xFF) << 16) | - (SBOX3((I0 >> 8) & 0xFF) << 8) | - (SBOX4((I0 ) & 0xFF) ); - I1 = (SBOX2((I1 >> 24) & 0xFF) << 24) | - (SBOX3((I1 >> 16) & 0xFF) << 16) | - (SBOX4((I1 >> 8) & 0xFF) << 8) | - (SBOX1((I1 ) & 0xFF) ); - - I0 ^= (I1 << 8) | (I1 >> 24); - I1 ^= (I0 << 16) | (I0 >> 16); - I0 ^= (I1 >> 8) | (I1 << 24); - I1 ^= (I0 >> 8) | (I0 << 24); - - z[0] ^= I1; - z[1] ^= I0; -} - -/* - * Camellia key schedule (encryption) - */ -int camellia_setkey_enc( camellia_context *ctx, const unsigned char *key, unsigned int keysize ) -{ - int idx; - size_t i; - uint32_t *RK; - unsigned char t[64]; - uint32_t SIGMA[6][2]; - uint32_t KC[16]; - uint32_t TK[20]; - - RK = ctx->rk; - - memset(t, 0, 64); - memset(RK, 0, sizeof(ctx->rk)); - - switch( keysize ) - { - case 128: ctx->nr = 3; idx = 0; break; - case 192: - case 256: ctx->nr = 4; idx = 1; break; - default : return( POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH ); - } - - for( i = 0; i < keysize / 8; ++i) - t[i] = key[i]; - - if (keysize == 192) { - for (i = 0; i < 8; i++) - t[24 + i] = ~t[16 + i]; - } - - /* - * Prepare SIGMA values - */ - for (i = 0; i < 6; i++) { - GET_ULONG_BE(SIGMA[i][0], SIGMA_CHARS[i], 0); - GET_ULONG_BE(SIGMA[i][1], SIGMA_CHARS[i], 4); - } - - /* - * Key storage in KC - * Order: KL, KR, KA, KB - */ - memset(KC, 0, sizeof(KC)); - - /* Store KL, KR */ - for (i = 0; i < 8; i++) - GET_ULONG_BE(KC[i], t, i * 4); - - /* Generate KA */ - for( i = 0; i < 4; ++i) - KC[8 + i] = KC[i] ^ KC[4 + i]; - - camellia_feistel(KC + 8, SIGMA[0], KC + 10); - camellia_feistel(KC + 10, SIGMA[1], KC + 8); - - for( i = 0; i < 4; ++i) - KC[8 + i] ^= KC[i]; - - camellia_feistel(KC + 8, SIGMA[2], KC + 10); - camellia_feistel(KC + 10, SIGMA[3], KC + 8); - - if (keysize > 128) { - /* Generate KB */ - for( i = 0; i < 4; ++i) - KC[12 + i] = KC[4 + i] ^ KC[8 + i]; - - camellia_feistel(KC + 12, SIGMA[4], KC + 14); - camellia_feistel(KC + 14, SIGMA[5], KC + 12); - } - - /* - * Generating subkeys - */ - - /* Manipulating KL */ - SHIFT_AND_PLACE(idx, 0); - - /* Manipulating KR */ - if (keysize > 128) { - SHIFT_AND_PLACE(idx, 1); - } - - /* Manipulating KA */ - SHIFT_AND_PLACE(idx, 2); - - /* Manipulating KB */ - if (keysize > 128) { - SHIFT_AND_PLACE(idx, 3); - } - - /* Do transpositions */ - for ( i = 0; i < 20; i++ ) { - if (transposes[idx][i] != -1) { - RK[32 + 12 * idx + i] = RK[transposes[idx][i]]; - } - } - - return( 0 ); -} - -/* - * Camellia key schedule (decryption) - */ -int camellia_setkey_dec( camellia_context *ctx, const unsigned char *key, unsigned int keysize ) -{ - int idx; - size_t i; - camellia_context cty; - uint32_t *RK; - uint32_t *SK; - int ret; - - switch( keysize ) - { - case 128: ctx->nr = 3; idx = 0; break; - case 192: - case 256: ctx->nr = 4; idx = 1; break; - default : return( POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH ); - } - - RK = ctx->rk; - - ret = camellia_setkey_enc(&cty, key, keysize); - if( ret != 0 ) - return( ret ); - - SK = cty.rk + 24 * 2 + 8 * idx * 2; - - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - - for (i = 22 + 8 * idx, SK -= 6; i > 0; i--, SK -= 4) - { - *RK++ = *SK++; - *RK++ = *SK++; - } - - SK -= 2; - - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - *RK++ = *SK++; - - memset( &cty, 0, sizeof( camellia_context ) ); - - return( 0 ); -} - -/* - * Camellia-ECB block encryption/decryption - */ -int camellia_crypt_ecb( camellia_context *ctx, - int mode, - const unsigned char input[16], - unsigned char output[16] ) -{ - int NR; - uint32_t *RK, X[4]; - - ( (void) mode ); - - NR = ctx->nr; - RK = ctx->rk; - - GET_ULONG_BE( X[0], input, 0 ); - GET_ULONG_BE( X[1], input, 4 ); - GET_ULONG_BE( X[2], input, 8 ); - GET_ULONG_BE( X[3], input, 12 ); - - X[0] ^= *RK++; - X[1] ^= *RK++; - X[2] ^= *RK++; - X[3] ^= *RK++; - - while (NR) { - --NR; - camellia_feistel(X, RK, X + 2); - RK += 2; - camellia_feistel(X + 2, RK, X); - RK += 2; - camellia_feistel(X, RK, X + 2); - RK += 2; - camellia_feistel(X + 2, RK, X); - RK += 2; - camellia_feistel(X, RK, X + 2); - RK += 2; - camellia_feistel(X + 2, RK, X); - RK += 2; - - if (NR) { - FL(X[0], X[1], RK[0], RK[1]); - RK += 2; - FLInv(X[2], X[3], RK[0], RK[1]); - RK += 2; - } - } - - X[2] ^= *RK++; - X[3] ^= *RK++; - X[0] ^= *RK++; - X[1] ^= *RK++; - - PUT_ULONG_BE( X[2], output, 0 ); - PUT_ULONG_BE( X[3], output, 4 ); - PUT_ULONG_BE( X[0], output, 8 ); - PUT_ULONG_BE( X[1], output, 12 ); - - return( 0 ); -} - -/* - * Camellia-CBC buffer encryption/decryption - */ -int camellia_crypt_cbc( camellia_context *ctx, - int mode, - size_t length, - unsigned char iv[16], - const unsigned char *input, - unsigned char *output ) -{ - int i; - unsigned char temp[16]; - - if( length % 16 ) - return( POLARSSL_ERR_CAMELLIA_INVALID_INPUT_LENGTH ); - - if( mode == CAMELLIA_DECRYPT ) - { - while( length > 0 ) - { - memcpy( temp, input, 16 ); - camellia_crypt_ecb( ctx, mode, input, output ); - - for( i = 0; i < 16; i++ ) - output[i] = (unsigned char)( output[i] ^ iv[i] ); - - memcpy( iv, temp, 16 ); - - input += 16; - output += 16; - length -= 16; - } - } - else - { - while( length > 0 ) - { - for( i = 0; i < 16; i++ ) - output[i] = (unsigned char)( input[i] ^ iv[i] ); - - camellia_crypt_ecb( ctx, mode, output, output ); - memcpy( iv, output, 16 ); - - input += 16; - output += 16; - length -= 16; - } - } - - return( 0 ); -} - -#if defined(POLARSSL_CIPHER_MODE_CFB) -/* - * Camellia-CFB128 buffer encryption/decryption - */ -int camellia_crypt_cfb128( camellia_context *ctx, - int mode, - size_t length, - size_t *iv_off, - unsigned char iv[16], - const unsigned char *input, - unsigned char *output ) -{ - int c; - size_t n = *iv_off; - - if( mode == CAMELLIA_DECRYPT ) - { - while( length-- ) - { - if( n == 0 ) - camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, iv, iv ); - - c = *input++; - *output++ = (unsigned char)( c ^ iv[n] ); - iv[n] = (unsigned char) c; - - n = (n + 1) & 0x0F; - } - } - else - { - while( length-- ) - { - if( n == 0 ) - camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, iv, iv ); - - iv[n] = *output++ = (unsigned char)( iv[n] ^ *input++ ); - - n = (n + 1) & 0x0F; - } - } - - *iv_off = n; - - return( 0 ); -} -#endif /* POLARSSL_CIPHER_MODE_CFB */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) -/* - * Camellia-CTR buffer encryption/decryption - */ -int camellia_crypt_ctr( camellia_context *ctx, - size_t length, - size_t *nc_off, - unsigned char nonce_counter[16], - unsigned char stream_block[16], - const unsigned char *input, - unsigned char *output ) -{ - int c, i; - size_t n = *nc_off; - - while( length-- ) - { - if( n == 0 ) { - camellia_crypt_ecb( ctx, CAMELLIA_ENCRYPT, nonce_counter, stream_block ); - - for( i = 16; i > 0; i-- ) - if( ++nonce_counter[i - 1] != 0 ) - break; - } - c = *input++; - *output++ = (unsigned char)( c ^ stream_block[n] ); - - n = (n + 1) & 0x0F; - } - - *nc_off = n; - - return( 0 ); -} -#endif /* POLARSSL_CIPHER_MODE_CTR */ - -#if defined(POLARSSL_SELF_TEST) - -#include <stdio.h> - -/* - * Camellia test vectors from: - * - * http://info.isl.ntt.co.jp/crypt/eng/camellia/technology.html: - * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/intermediate.txt - * http://info.isl.ntt.co.jp/crypt/eng/camellia/dl/cryptrec/t_camellia.txt - * (For each bitlength: Key 0, Nr 39) - */ -#define CAMELLIA_TESTS_ECB 2 - -static const unsigned char camellia_test_ecb_key[3][CAMELLIA_TESTS_ECB][32] = -{ - { - { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, - 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } - }, - { - { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, - 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77 }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } - }, - { - { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, - 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10, - 0x00, 0x11, 0x22, 0x33, 0x44, 0x55, 0x66, 0x77, - 0x88, 0x99, 0xaa, 0xbb, 0xcc, 0xdd, 0xee, 0xff }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } - }, -}; - -static const unsigned char camellia_test_ecb_plain[CAMELLIA_TESTS_ECB][16] = -{ - { 0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef, - 0xfe, 0xdc, 0xba, 0x98, 0x76, 0x54, 0x32, 0x10 }, - { 0x00, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } -}; - -static const unsigned char camellia_test_ecb_cipher[3][CAMELLIA_TESTS_ECB][16] = -{ - { - { 0x67, 0x67, 0x31, 0x38, 0x54, 0x96, 0x69, 0x73, - 0x08, 0x57, 0x06, 0x56, 0x48, 0xea, 0xbe, 0x43 }, - { 0x38, 0x3C, 0x6C, 0x2A, 0xAB, 0xEF, 0x7F, 0xDE, - 0x25, 0xCD, 0x47, 0x0B, 0xF7, 0x74, 0xA3, 0x31 } - }, - { - { 0xb4, 0x99, 0x34, 0x01, 0xb3, 0xe9, 0x96, 0xf8, - 0x4e, 0xe5, 0xce, 0xe7, 0xd7, 0x9b, 0x09, 0xb9 }, - { 0xD1, 0x76, 0x3F, 0xC0, 0x19, 0xD7, 0x7C, 0xC9, - 0x30, 0xBF, 0xF2, 0xA5, 0x6F, 0x7C, 0x93, 0x64 } - }, - { - { 0x9a, 0xcc, 0x23, 0x7d, 0xff, 0x16, 0xd7, 0x6c, - 0x20, 0xef, 0x7c, 0x91, 0x9e, 0x3a, 0x75, 0x09 }, - { 0x05, 0x03, 0xFB, 0x10, 0xAB, 0x24, 0x1E, 0x7C, - 0xF4, 0x5D, 0x8C, 0xDE, 0xEE, 0x47, 0x43, 0x35 } - } -}; - -#define CAMELLIA_TESTS_CBC 3 - -static const unsigned char camellia_test_cbc_key[3][32] = -{ - { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, - 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C } - , - { 0x8E, 0x73, 0xB0, 0xF7, 0xDA, 0x0E, 0x64, 0x52, - 0xC8, 0x10, 0xF3, 0x2B, 0x80, 0x90, 0x79, 0xE5, - 0x62, 0xF8, 0xEA, 0xD2, 0x52, 0x2C, 0x6B, 0x7B } - , - { 0x60, 0x3D, 0xEB, 0x10, 0x15, 0xCA, 0x71, 0xBE, - 0x2B, 0x73, 0xAE, 0xF0, 0x85, 0x7D, 0x77, 0x81, - 0x1F, 0x35, 0x2C, 0x07, 0x3B, 0x61, 0x08, 0xD7, - 0x2D, 0x98, 0x10, 0xA3, 0x09, 0x14, 0xDF, 0xF4 } -}; - -static const unsigned char camellia_test_cbc_iv[16] = - - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F } -; - -static const unsigned char camellia_test_cbc_plain[CAMELLIA_TESTS_CBC][16] = -{ - { 0x6B, 0xC1, 0xBE, 0xE2, 0x2E, 0x40, 0x9F, 0x96, - 0xE9, 0x3D, 0x7E, 0x11, 0x73, 0x93, 0x17, 0x2A }, - { 0xAE, 0x2D, 0x8A, 0x57, 0x1E, 0x03, 0xAC, 0x9C, - 0x9E, 0xB7, 0x6F, 0xAC, 0x45, 0xAF, 0x8E, 0x51 }, - { 0x30, 0xC8, 0x1C, 0x46, 0xA3, 0x5C, 0xE4, 0x11, - 0xE5, 0xFB, 0xC1, 0x19, 0x1A, 0x0A, 0x52, 0xEF } - -}; - -static const unsigned char camellia_test_cbc_cipher[3][CAMELLIA_TESTS_CBC][16] = -{ - { - { 0x16, 0x07, 0xCF, 0x49, 0x4B, 0x36, 0xBB, 0xF0, - 0x0D, 0xAE, 0xB0, 0xB5, 0x03, 0xC8, 0x31, 0xAB }, - { 0xA2, 0xF2, 0xCF, 0x67, 0x16, 0x29, 0xEF, 0x78, - 0x40, 0xC5, 0xA5, 0xDF, 0xB5, 0x07, 0x48, 0x87 }, - { 0x0F, 0x06, 0x16, 0x50, 0x08, 0xCF, 0x8B, 0x8B, - 0x5A, 0x63, 0x58, 0x63, 0x62, 0x54, 0x3E, 0x54 } - }, - { - { 0x2A, 0x48, 0x30, 0xAB, 0x5A, 0xC4, 0xA1, 0xA2, - 0x40, 0x59, 0x55, 0xFD, 0x21, 0x95, 0xCF, 0x93 }, - { 0x5D, 0x5A, 0x86, 0x9B, 0xD1, 0x4C, 0xE5, 0x42, - 0x64, 0xF8, 0x92, 0xA6, 0xDD, 0x2E, 0xC3, 0xD5 }, - { 0x37, 0xD3, 0x59, 0xC3, 0x34, 0x98, 0x36, 0xD8, - 0x84, 0xE3, 0x10, 0xAD, 0xDF, 0x68, 0xC4, 0x49 } - }, - { - { 0xE6, 0xCF, 0xA3, 0x5F, 0xC0, 0x2B, 0x13, 0x4A, - 0x4D, 0x2C, 0x0B, 0x67, 0x37, 0xAC, 0x3E, 0xDA }, - { 0x36, 0xCB, 0xEB, 0x73, 0xBD, 0x50, 0x4B, 0x40, - 0x70, 0xB1, 0xB7, 0xDE, 0x2B, 0x21, 0xEB, 0x50 }, - { 0xE3, 0x1A, 0x60, 0x55, 0x29, 0x7D, 0x96, 0xCA, - 0x33, 0x30, 0xCD, 0xF1, 0xB1, 0x86, 0x0A, 0x83 } - } -}; - -#if defined(POLARSSL_CIPHER_MODE_CTR) -/* - * Camellia-CTR test vectors from: - * - * http://www.faqs.org/rfcs/rfc5528.html - */ - -static const unsigned char camellia_test_ctr_key[3][16] = -{ - { 0xAE, 0x68, 0x52, 0xF8, 0x12, 0x10, 0x67, 0xCC, - 0x4B, 0xF7, 0xA5, 0x76, 0x55, 0x77, 0xF3, 0x9E }, - { 0x7E, 0x24, 0x06, 0x78, 0x17, 0xFA, 0xE0, 0xD7, - 0x43, 0xD6, 0xCE, 0x1F, 0x32, 0x53, 0x91, 0x63 }, - { 0x76, 0x91, 0xBE, 0x03, 0x5E, 0x50, 0x20, 0xA8, - 0xAC, 0x6E, 0x61, 0x85, 0x29, 0xF9, 0xA0, 0xDC } -}; - -static const unsigned char camellia_test_ctr_nonce_counter[3][16] = -{ - { 0x00, 0x00, 0x00, 0x30, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }, - { 0x00, 0x6C, 0xB6, 0xDB, 0xC0, 0x54, 0x3B, 0x59, - 0xDA, 0x48, 0xD9, 0x0B, 0x00, 0x00, 0x00, 0x01 }, - { 0x00, 0xE0, 0x01, 0x7B, 0x27, 0x77, 0x7F, 0x3F, - 0x4A, 0x17, 0x86, 0xF0, 0x00, 0x00, 0x00, 0x01 } -}; - -static const unsigned char camellia_test_ctr_pt[3][48] = -{ - { 0x53, 0x69, 0x6E, 0x67, 0x6C, 0x65, 0x20, 0x62, - 0x6C, 0x6F, 0x63, 0x6B, 0x20, 0x6D, 0x73, 0x67 }, - - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F }, - - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, - 0x08, 0x09, 0x0A, 0x0B, 0x0C, 0x0D, 0x0E, 0x0F, - 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, - 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, - 0x20, 0x21, 0x22, 0x23 } -}; - -static const unsigned char camellia_test_ctr_ct[3][48] = -{ - { 0xD0, 0x9D, 0xC2, 0x9A, 0x82, 0x14, 0x61, 0x9A, - 0x20, 0x87, 0x7C, 0x76, 0xDB, 0x1F, 0x0B, 0x3F }, - { 0xDB, 0xF3, 0xC7, 0x8D, 0xC0, 0x83, 0x96, 0xD4, - 0xDA, 0x7C, 0x90, 0x77, 0x65, 0xBB, 0xCB, 0x44, - 0x2B, 0x8E, 0x8E, 0x0F, 0x31, 0xF0, 0xDC, 0xA7, - 0x2C, 0x74, 0x17, 0xE3, 0x53, 0x60, 0xE0, 0x48 }, - { 0xB1, 0x9D, 0x1F, 0xCD, 0xCB, 0x75, 0xEB, 0x88, - 0x2F, 0x84, 0x9C, 0xE2, 0x4D, 0x85, 0xCF, 0x73, - 0x9C, 0xE6, 0x4B, 0x2B, 0x5C, 0x9D, 0x73, 0xF1, - 0x4F, 0x2D, 0x5D, 0x9D, 0xCE, 0x98, 0x89, 0xCD, - 0xDF, 0x50, 0x86, 0x96 } -}; - -static const int camellia_test_ctr_len[3] = - { 16, 32, 36 }; -#endif /* POLARSSL_CIPHER_MODE_CTR */ - -/* - * Checkup routine - */ -int camellia_self_test( int verbose ) -{ - int i, j, u, v; - unsigned char key[32]; - unsigned char buf[64]; - unsigned char src[16]; - unsigned char dst[16]; - unsigned char iv[16]; -#if defined(POLARSSL_CIPHER_MODE_CTR) - size_t offset, len; - unsigned char nonce_counter[16]; - unsigned char stream_block[16]; -#endif - - camellia_context ctx; - - memset( key, 0, 32 ); - - for (j = 0; j < 6; j++) { - u = j >> 1; - v = j & 1; - - if( verbose != 0 ) - printf( " CAMELLIA-ECB-%3d (%s): ", 128 + u * 64, - (v == CAMELLIA_DECRYPT) ? "dec" : "enc"); - - for (i = 0; i < CAMELLIA_TESTS_ECB; i++ ) { - memcpy( key, camellia_test_ecb_key[u][i], 16 + 8 * u); - - if (v == CAMELLIA_DECRYPT) { - camellia_setkey_dec(&ctx, key, 128 + u * 64); - memcpy(src, camellia_test_ecb_cipher[u][i], 16); - memcpy(dst, camellia_test_ecb_plain[i], 16); - } else { /* CAMELLIA_ENCRYPT */ - camellia_setkey_enc(&ctx, key, 128 + u * 64); - memcpy(src, camellia_test_ecb_plain[i], 16); - memcpy(dst, camellia_test_ecb_cipher[u][i], 16); - } - - camellia_crypt_ecb(&ctx, v, src, buf); - - if( memcmp( buf, dst, 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - /* - * CBC mode - */ - for( j = 0; j < 6; j++ ) - { - u = j >> 1; - v = j & 1; - - if( verbose != 0 ) - printf( " CAMELLIA-CBC-%3d (%s): ", 128 + u * 64, - ( v == CAMELLIA_DECRYPT ) ? "dec" : "enc" ); - - memcpy( src, camellia_test_cbc_iv, 16); - memcpy( dst, camellia_test_cbc_iv, 16); - memcpy( key, camellia_test_cbc_key[u], 16 + 8 * u); - - if (v == CAMELLIA_DECRYPT) { - camellia_setkey_dec(&ctx, key, 128 + u * 64); - } else { - camellia_setkey_enc(&ctx, key, 128 + u * 64); - } - - for (i = 0; i < CAMELLIA_TESTS_CBC; i++ ) { - - if (v == CAMELLIA_DECRYPT) { - memcpy( iv , src, 16 ); - memcpy(src, camellia_test_cbc_cipher[u][i], 16); - memcpy(dst, camellia_test_cbc_plain[i], 16); - } else { /* CAMELLIA_ENCRYPT */ - memcpy( iv , dst, 16 ); - memcpy(src, camellia_test_cbc_plain[i], 16); - memcpy(dst, camellia_test_cbc_cipher[u][i], 16); - } - - camellia_crypt_cbc(&ctx, v, 16, iv, src, buf); - - if( memcmp( buf, dst, 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - -#if defined(POLARSSL_CIPHER_MODE_CTR) - /* - * CTR mode - */ - for( i = 0; i < 6; i++ ) - { - u = i >> 1; - v = i & 1; - - if( verbose != 0 ) - printf( " CAMELLIA-CTR-128 (%s): ", - ( v == CAMELLIA_DECRYPT ) ? "dec" : "enc" ); - - memcpy( nonce_counter, camellia_test_ctr_nonce_counter[u], 16 ); - memcpy( key, camellia_test_ctr_key[u], 16 ); - - offset = 0; - camellia_setkey_enc( &ctx, key, 128 ); - - if( v == CAMELLIA_DECRYPT ) - { - len = camellia_test_ctr_len[u]; - memcpy( buf, camellia_test_ctr_ct[u], len ); - - camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, buf, buf ); - - if( memcmp( buf, camellia_test_ctr_pt[u], len ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - else - { - len = camellia_test_ctr_len[u]; - memcpy( buf, camellia_test_ctr_pt[u], len ); - - camellia_crypt_ctr( &ctx, len, &offset, nonce_counter, stream_block, buf, buf ); - - if( memcmp( buf, camellia_test_ctr_ct[u], len ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); -#endif /* POLARSSL_CIPHER_MODE_CTR */ - - return ( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/certs.c b/polarssl/src/library/certs.c deleted file mode 100644 index e2d07f7..0000000 --- a/polarssl/src/library/certs.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * X.509 test certificates - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_CERTS_C) - -const char test_ca_crt[] = -"-----BEGIN CERTIFICATE-----\r\n" -"MIIDhzCCAm+gAwIBAgIBADANBgkqhkiG9w0BAQUFADA7MQswCQYDVQQGEwJOTDER\r\n" -"MA8GA1UEChMIUG9sYXJTU0wxGTAXBgNVBAMTEFBvbGFyU1NMIFRlc3QgQ0EwHhcN\r\n" -"MTEwMjEyMTQ0NDAwWhcNMjEwMjEyMTQ0NDAwWjA7MQswCQYDVQQGEwJOTDERMA8G\r\n" -"A1UEChMIUG9sYXJTU0wxGTAXBgNVBAMTEFBvbGFyU1NMIFRlc3QgQ0EwggEiMA0G\r\n" -"CSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDA3zf8F7vglp0/ht6WMn1EpRagzSHx\r\n" -"mdTs6st8GFgIlKXsm8WL3xoemTiZhx57wI053zhdcHgH057Zk+i5clHFzqMwUqny\r\n" -"50BwFMtEonILwuVA+T7lpg6z+exKY8C4KQB0nFc7qKUEkHHxvYPZP9al4jwqj+8n\r\n" -"YMPGn8u67GB9t+aEMr5P+1gmIgNb1LTV+/Xjli5wwOQuvfwu7uJBVcA0Ln0kcmnL\r\n" -"R7EUQIN9Z/SG9jGr8XmksrUuEvmEF/Bibyc+E1ixVA0hmnM3oTDPb5Lc9un8rNsu\r\n" -"KNF+AksjoBXyOGVkCeoMbo4bF6BxyLObyavpw/LPh5aPgAIynplYb6LVAgMBAAGj\r\n" -"gZUwgZIwDAYDVR0TBAUwAwEB/zAdBgNVHQ4EFgQUtFrkpbPe0lL2udWmlQ/rPrzH\r\n" -"/f8wYwYDVR0jBFwwWoAUtFrkpbPe0lL2udWmlQ/rPrzH/f+hP6Q9MDsxCzAJBgNV\r\n" -"BAYTAk5MMREwDwYDVQQKEwhQb2xhclNTTDEZMBcGA1UEAxMQUG9sYXJTU0wgVGVz\r\n" -"dCBDQYIBADANBgkqhkiG9w0BAQUFAAOCAQEAuP1U2ABUkIslsCfdlc2i94QHHYeJ\r\n" -"SsR4EdgHtdciUI5I62J6Mom+Y0dT/7a+8S6MVMCZP6C5NyNyXw1GWY/YR82XTJ8H\r\n" -"DBJiCTok5DbZ6SzaONBzdWHXwWwmi5vg1dxn7YxrM9d0IjxM27WNKs4sDQhZBQkF\r\n" -"pjmfs2cb4oPl4Y9T9meTx/lvdkRYEug61Jfn6cA+qHpyPYdTH+UshITnmp5/Ztkf\r\n" -"m/UTSLBNFNHesiTZeH31NcxYGdHSme9Nc/gfidRa0FLOCfWxRlFqAI47zG9jAQCZ\r\n" -"7Z2mCGDNMhjQc+BYcdnl0lPXjdDK6V0qCg1dVewhUBcW5gZKzV7e9+DpVA==\r\n" -"-----END CERTIFICATE-----\r\n"; - -const char test_ca_key[] = -"-----BEGIN RSA PRIVATE KEY-----\r\n" -"Proc-Type: 4,ENCRYPTED\r\n" -"DEK-Info: DES-EDE3-CBC,A8A95B05D5B7206B\r\n" -"\r\n" -"9Qd9GeArejl1GDVh2lLV1bHt0cPtfbh5h/5zVpAVaFpqtSPMrElp50Rntn9et+JA\r\n" -"7VOyboR+Iy2t/HU4WvA687k3Bppe9GwKHjHhtl//8xFKwZr3Xb5yO5JUP8AUctQq\r\n" -"Nb8CLlZyuUC+52REAAthdWgsX+7dJO4yabzUcQ22Tp9JSD0hiL43BlkWYUNK3dAo\r\n" -"PZlmiptjnzVTjg1MxsBSydZinWOLBV8/JQgxSPo2yD4uEfig28qbvQ2wNIn0pnAb\r\n" -"GxnSAOazkongEGfvcjIIs+LZN9gXFhxcOh6kc4Q/c99B7QWETwLLkYgZ+z1a9VY9\r\n" -"gEU7CwCxYCD+h9hY6FPmsK0/lC4O7aeRKpYq00rPPxs6i7phiexg6ax6yTMmArQq\r\n" -"QmK3TAsJm8V/J5AWpLEV6jAFgRGymGGHnof0DXzVWZidrcZJWTNuGEX90nB3ee2w\r\n" -"PXJEFWKoD3K3aFcSLdHYr3mLGxP7H9ThQai9VsycxZKS5kwvBKQ//YMrmFfwPk8x\r\n" -"vTeY4KZMaUrveEel5tWZC94RSMKgxR6cyE1nBXyTQnDOGbfpNNgBKxyKbINWoOJU\r\n" -"WJZAwlsQn+QzCDwpri7+sV1mS3gBE6UY7aQmnmiiaC2V3Hbphxct/en5QsfDOt1X\r\n" -"JczSfpRWLlbPznZg8OQh/VgCMA58N5DjOzTIK7sJJ5r+94ZBTCpgAMbF588f0NTR\r\n" -"KCe4yrxGJR7X02M4nvD4IwOlpsQ8xQxZtOSgXv4LkxvdU9XJJKWZ/XNKJeWztxSe\r\n" -"Z1vdTc2YfsDBA2SEv33vxHx2g1vqtw8SjDRT2RaQSS0QuSaMJimdOX6mTOCBKk1J\r\n" -"9Q5mXTrER+/LnK0jEmXsBXWA5bqqVZIyahXSx4VYZ7l7w/PHiUDtDgyRhMMKi4n2\r\n" -"iQvQcWSQTjrpnlJbca1/DkpRt3YwrvJwdqb8asZU2VrNETh5x0QVefDRLFiVpif/\r\n" -"tUaeAe/P1F8OkS7OIZDs1SUbv/sD2vMbhNkUoCms3/PvNtdnvgL4F0zhaDpKCmlT\r\n" -"P8vx49E7v5CyRNmED9zZg4o3wmMqrQO93PtTug3Eu9oVx1zPQM1NVMyBa2+f29DL\r\n" -"1nuTCeXdo9+ni45xx+jAI4DCwrRdhJ9uzZyC6962H37H6D+5naNvClFR1s6li1Gb\r\n" -"nqPoiy/OBsEx9CaDGcqQBp5Wme/3XW+6z1ISOx+igwNTVCT14mHdBMbya0eIKft5\r\n" -"X+GnwtgEMyCYyyWuUct8g4RzErcY9+yW9Om5Hzpx4zOuW4NPZgPDTgK+t2RSL/Yq\r\n" -"rE1njrgeGYcVeG3f+OftH4s6fPbq7t1A5ZgUscbLMBqr9tK+OqygR4EgKBPsH6Cz\r\n" -"L6zlv/2RV0qAHvVuDJcIDIgwY5rJtINEm32rhOeFNJwZS5MNIC1czXZx5//ugX7l\r\n" -"I4sy5nbVhwSjtAk8Xg5dZbdTZ6mIrb7xqH+fdakZor1khG7bC2uIwibD3cSl2XkR\r\n" -"wN48lslbHnqqagr6Xm1nNOSVl8C/6kbJEsMpLhAezfRtGwvOucoaE+WbeUNolGde\r\n" -"P/eQiddSf0brnpiLJRh7qZrl9XuqYdpUqnoEdMAfotDOID8OtV7gt8a48ad8VPW2\r\n" -"-----END RSA PRIVATE KEY-----\r\n"; - -const char test_ca_pwd[] = "PolarSSLTest"; - -const char test_srv_crt[] = -"-----BEGIN CERTIFICATE-----\r\n" -"MIIDPzCCAiegAwIBAgIBATANBgkqhkiG9w0BAQUFADA7MQswCQYDVQQGEwJOTDER\r\n" -"MA8GA1UEChMIUG9sYXJTU0wxGTAXBgNVBAMTEFBvbGFyU1NMIFRlc3QgQ0EwHhcN\r\n" -"MTEwMjEyMTQ0NDA2WhcNMjEwMjEyMTQ0NDA2WjA8MQswCQYDVQQGEwJOTDERMA8G\r\n" -"A1UEChMIUG9sYXJTU0wxGjAYBgNVBAMTEVBvbGFyU1NMIFNlcnZlciAxMIIBIjAN\r\n" -"BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqQIfPUBq1VVTi/027oJlLhVhXom/\r\n" -"uOhFkNvuiBZS0/FDUEeWEllkh2v9K+BG+XO+3c+S4ZFb7Wagb4kpeUWA0INq1UFD\r\n" -"d185fAkER4KwVzlw7aPsFRkeqDMIR8EFQqn9TMO0390GH00QUUBncxMPQPhtgSVf\r\n" -"CrFTxjB+FTms+Vruf5KepgVb5xOXhbUjktnUJAbVCSWJdQfdphqPPwkZvq1lLGTr\r\n" -"lZvc/kFeF6babFtpzAK6FCwWJJxK3M3Q91Jnc/EtoCP9fvQxyi1wyokLBNsupk9w\r\n" -"bp7OvViJ4lNZnm5akmXiiD8MlBmj3eXonZUT7Snbq3AS3FrKaxerUoJUsQIDAQAB\r\n" -"o00wSzAJBgNVHRMEAjAAMB0GA1UdDgQWBBQfdNY/KcF0dEU7BRIsPai9Q1kCpjAf\r\n" -"BgNVHSMEGDAWgBS0WuSls97SUva51aaVD+s+vMf9/zANBgkqhkiG9w0BAQUFAAOC\r\n" -"AQEAvc+WwZUemsJu2IiI2Cp6liA+UAvIx98dQe3kZs2zAoF9VwQbXcYzWQ/BILkj\r\n" -"NImKbPL9x0g2jIDn4ZvGYFywMwIO/d++YbwYiQw42/v7RiMy94zBPnzeHi86dy/0\r\n" -"jpOOJUx3IXRsGLdyjb/1T11klcFqGnARiK+8VYolMPP6afKvLXX7K4kiUpsFQhUp\r\n" -"E5VeM5pV1Mci2ETOJau2cO40FJvI/C9W/wR+GAArMaw2fxG77E3laaa0LAOlexM6\r\n" -"A4KOb5f5cGTM5Ih6tEF5FVq3/9vzNIYMa1FqzacBLZF8zSHYLEimXBdzjBoN4qDU\r\n" -"/WzRyYRBRjAI49mzHX6raleqnw==\r\n" -"-----END CERTIFICATE-----\r\n"; - -const char test_srv_key[] = -"-----BEGIN RSA PRIVATE KEY-----\r\n" -"MIIEogIBAAKCAQEAqQIfPUBq1VVTi/027oJlLhVhXom/uOhFkNvuiBZS0/FDUEeW\r\n" -"Ellkh2v9K+BG+XO+3c+S4ZFb7Wagb4kpeUWA0INq1UFDd185fAkER4KwVzlw7aPs\r\n" -"FRkeqDMIR8EFQqn9TMO0390GH00QUUBncxMPQPhtgSVfCrFTxjB+FTms+Vruf5Ke\r\n" -"pgVb5xOXhbUjktnUJAbVCSWJdQfdphqPPwkZvq1lLGTrlZvc/kFeF6babFtpzAK6\r\n" -"FCwWJJxK3M3Q91Jnc/EtoCP9fvQxyi1wyokLBNsupk9wbp7OvViJ4lNZnm5akmXi\r\n" -"iD8MlBmj3eXonZUT7Snbq3AS3FrKaxerUoJUsQIDAQABAoIBABaJ9eiRQq4Ypv+w\r\n" -"UTcVpLC0oTueWzcpor1i1zjG4Vzqe/Ok2FqyGToGKMlFK7Hwwa+LEyeJ3xyV5yd4\r\n" -"v1Mw9bDZFdJC1eCBjoUAHtX6k9HOE0Vd6woVQ4Vi6OPI1g7B5Mnr/58rNrnN6TMs\r\n" -"x58NF6euecwTU811QJrZtLbX7j2Cr28yB2Vs8qyYlHwVw5jbDOv43D7vU5gmlIDN\r\n" -"0JQRuWAnOuPzZNoJr4SfJKqHNGxYYY6pHZ1s0dOTLIDb/B8KQWapA2kRmZyid2EH\r\n" -"nwzgLbAsHJCf+bQnhXjXuxtUsrcIL8noZLazlOMxwNEammglVWW23Ud/QRnFgJg5\r\n" -"UgcAcRECgYEA19uYetht5qmwdJ+12oC6zeO+vXLcyD9gon23T5J6w2YThld7/OW0\r\n" -"oArQJGgkAdaq0pcTyOIjtTQVMFygdVmCEJmxh/3RutPcTeydqW9fphKDMej32J8e\r\n" -"GniGmNGiclbcfNOS8E5TGp445yZb9P1+7AHng16bGg3Ykj5EA4G+HCcCgYEAyHAl\r\n" -"//ekk8YjQElm+8izLtFkymIK0aCtEe9C/RIRhFYBeFaotC5dStNhBOncn4ovMAPD\r\n" -"lX/92yDi9OP8PPLN3a4B9XpW3k/SS5GrbT5cwOivBHNllZSmu/2qz5WPGcjVCOrB\r\n" -"LYl3YWr2h3EGKICT03kEoTkiDBvCeOpW7cCGl2cCgYBD5whoXHz1+ptPlI4YVjZt\r\n" -"Xh86aU+ajpVPiEyJ84I6xXmO4SZXv8q6LaycR0ZMbcL+zBelMb4Z2nBv7jNrtuR7\r\n" -"ZF28cdPv+YVr3esaybZE/73VjXup4SQPH6r3l7qKTVi+y6+FeJ4b2Xn8/MwgnT23\r\n" -"8EFrye7wmzpthrjOgZnUMQKBgE9Lhsz/5J0Nis6Y+2Pqn3CLKEukg9Ewtqdct2y0\r\n" -"5Dcta0F3TyCRIxlCDKTL/BslqMtfAdY4H268UO0+8IAQMn9boqzBrHIgs/pvc5kx\r\n" -"TbKHmw2wtWR6vYersBKVgVpbCGSRssDYHGFu1n74qM4HJ/RGcR1zI9QUe1gopSFD\r\n" -"xDtLAoGAVAdWvrqDwgoL2hHW3scGpxdE/ygJDOwHnf+1B9goKAOP5lf2FJaiAxf3\r\n" -"ectoPOgZbCmm/iiDmigu703ld3O+VoCLDD4qx3R+KyALL78gtVJYzSRiKhzgCZ3g\r\n" -"mKsIVRBq4IfwiwyMNG2BYZQAwbSDjjPtn/kPBduPzPj7eriByhI=\r\n" -"-----END RSA PRIVATE KEY-----\r\n"; - -const char test_cli_crt[] = -"-----BEGIN CERTIFICATE-----\r\n" -"MIIDPzCCAiegAwIBAgIBBDANBgkqhkiG9w0BAQUFADA7MQswCQYDVQQGEwJOTDER\r\n" -"MA8GA1UEChMIUG9sYXJTU0wxGTAXBgNVBAMTEFBvbGFyU1NMIFRlc3QgQ0EwHhcN\r\n" -"MTEwMjEyMTQ0NDA3WhcNMjEwMjEyMTQ0NDA3WjA8MQswCQYDVQQGEwJOTDERMA8G\r\n" -"A1UEChMIUG9sYXJTU0wxGjAYBgNVBAMTEVBvbGFyU1NMIENsaWVudCAyMIIBIjAN\r\n" -"BgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyHTEzLn5tXnpRdkUYLB9u5Pyax6f\r\n" -"M60Nj4o8VmXl3ETZzGaFB9X4J7BKNdBjngpuG7fa8H6r7gwQk4ZJGDTzqCrSV/Uu\r\n" -"1C93KYRhTYJQj6eVSHD1bk2y1RPD0hrt5kPqQhTrdOrA7R/UV06p86jt0uDBMHEw\r\n" -"MjDV0/YI0FZPRo7yX/k9Z5GIMC5Cst99++UMd//sMcB4j7/Cf8qtbCHWjdmLao5v\r\n" -"4Jv4EFbMs44TFeY0BGbH7vk2DmqV9gmaBmf0ZXH4yqSxJeD+PIs1BGe64E92hfx/\r\n" -"/DZrtenNLQNiTrM9AM+vdqBpVoNq0qjU51Bx5rU2BXcFbXvI5MT9TNUhXwIDAQAB\r\n" -"o00wSzAJBgNVHRMEAjAAMB0GA1UdDgQWBBRxoQBzckAvVHZeM/xSj7zx3WtGITAf\r\n" -"BgNVHSMEGDAWgBS0WuSls97SUva51aaVD+s+vMf9/zANBgkqhkiG9w0BAQUFAAOC\r\n" -"AQEAAn86isAM8X+mVwJqeItt6E9slhEQbAofyk+diH1Lh8Y9iLlWQSKbw/UXYjx5\r\n" -"LLPZcniovxIcARC/BjyZR9g3UwTHNGNm+rwrqa15viuNOFBchykX/Orsk02EH7NR\r\n" -"Alw5WLPorYjED6cdVQgBl9ot93HdJogRiXCxErM7NC8/eP511mjq+uLDjLKH8ZPQ\r\n" -"8I4ekHJnroLsDkIwXKGIsvIBHQy2ac/NwHLCQOK6mfum1pRx52V4Utu5dLLjD5bM\r\n" -"xOBC7KU4xZKuMXXZM6/93Yb51K/J4ahf1TxJlTWXtnzDr9saEYdNy2SKY/6ZiDNH\r\n" -"D+stpAKiQLAWaAusIWKYEyw9MQ==\r\n" -"-----END CERTIFICATE-----\r\n"; - -const char test_cli_key[] = -"-----BEGIN RSA PRIVATE KEY-----\r\n" -"MIIEpAIBAAKCAQEAyHTEzLn5tXnpRdkUYLB9u5Pyax6fM60Nj4o8VmXl3ETZzGaF\r\n" -"B9X4J7BKNdBjngpuG7fa8H6r7gwQk4ZJGDTzqCrSV/Uu1C93KYRhTYJQj6eVSHD1\r\n" -"bk2y1RPD0hrt5kPqQhTrdOrA7R/UV06p86jt0uDBMHEwMjDV0/YI0FZPRo7yX/k9\r\n" -"Z5GIMC5Cst99++UMd//sMcB4j7/Cf8qtbCHWjdmLao5v4Jv4EFbMs44TFeY0BGbH\r\n" -"7vk2DmqV9gmaBmf0ZXH4yqSxJeD+PIs1BGe64E92hfx//DZrtenNLQNiTrM9AM+v\r\n" -"dqBpVoNq0qjU51Bx5rU2BXcFbXvI5MT9TNUhXwIDAQABAoIBAGdNtfYDiap6bzst\r\n" -"yhCiI8m9TtrhZw4MisaEaN/ll3XSjaOG2dvV6xMZCMV+5TeXDHOAZnY18Yi18vzz\r\n" -"4Ut2TnNFzizCECYNaA2fST3WgInnxUkV3YXAyP6CNxJaCmv2aA0yFr2kFVSeaKGt\r\n" -"ymvljNp2NVkvm7Th8fBQBO7I7AXhz43k0mR7XmPgewe8ApZOG3hstkOaMvbWAvWA\r\n" -"zCZupdDjZYjOJqlA4eEA4H8/w7F83r5CugeBE8LgEREjLPiyejrU5H1fubEY+h0d\r\n" -"l5HZBJ68ybTXfQ5U9o/QKA3dd0toBEhhdRUDGzWtjvwkEQfqF1reGWj/tod/gCpf\r\n" -"DFi6X0ECgYEA4wOv/pjSC3ty6TuOvKX2rOUiBrLXXv2JSxZnMoMiWI5ipLQt+RYT\r\n" -"VPafL/m7Dn6MbwjayOkcZhBwk5CNz5A6Q4lJ64Mq/lqHznRCQQ2Mc1G8eyDF/fYL\r\n" -"Ze2pLvwP9VD5jTc2miDfw+MnvJhywRRLcemDFP8k4hQVtm8PMp3ZmNECgYEA4gz7\r\n" -"wzObR4gn8ibe617uQPZjWzUj9dUHYd+in1gwBCIrtNnaRn9I9U/Q6tegRYpii4ys\r\n" -"c176NmU+umy6XmuSKV5qD9bSpZWG2nLFnslrN15Lm3fhZxoeMNhBaEDTnLT26yoi\r\n" -"33gp0mSSWy94ZEqipms+ULF6sY1ZtFW6tpGFoy8CgYAQHhnnvJflIs2ky4q10B60\r\n" -"ZcxFp3rtDpkp0JxhFLhiizFrujMtZSjYNm5U7KkgPVHhLELEUvCmOnKTt4ap/vZ0\r\n" -"BxJNe1GZH3pW6SAvGDQpl9sG7uu/vTFP+lCxukmzxB0DrrDcvorEkKMom7ZCCRvW\r\n" -"KZsZ6YeH2Z81BauRj218kQKBgQCUV/DgKP2985xDTT79N08jUo3hTP5MVYCCuj/+\r\n" -"UeEw1TvZcx3LJby7P6Xad6a1/BqveaGyFKIfEFIaBUBItk801sDDpDaYc4gL00Xc\r\n" -"7lFuBHOZkxJYlss5QrGpuOEl9ZwUt5IrFLBdYaKqNHzNVC1pCPfb/JyH6Dr2HUxq\r\n" -"gxUwAQKBgQCcU6G2L8AG9d9c0UpOyL1tMvFe5Ttw0KjlQVdsh1MP6yigYo9DYuwu\r\n" -"bHFVW2r0dBTqegP2/KTOxKzaHfC1qf0RGDsUoJCNJrd1cwoCLG8P2EF4w3OBrKqv\r\n" -"8u4ytY0F+Vlanj5lm3TaoHSVF1+NWPyOTiwevIECGKwSxvlki4fDAA==\r\n" -"-----END RSA PRIVATE KEY-----\r\n"; - -const char test_dhm_params[] = -"-----BEGIN DH PARAMETERS-----\r\n" -"MIGHAoGBAJ419DBEOgmQTzo5qXl5fQcN9TN455wkOL7052HzxxRVMyhYmwQcgJvh\r\n" -"1sa18fyfR9OiVEMYglOpkqVoGLN7qd5aQNNi5W7/C+VBdHTBJcGZJyyP5B3qcz32\r\n" -"9mLJKudlVudV0Qxk5qUJaPZ/xupz0NyoVpviuiBOI1gNi8ovSXWzAgEC\r\n" -"-----END DH PARAMETERS-----\r\n"; - -#endif diff --git a/polarssl/src/library/cipher.c b/polarssl/src/library/cipher.c deleted file mode 100644 index 0d1258b..0000000 --- a/polarssl/src/library/cipher.c +++ /dev/null @@ -1,557 +0,0 @@ -/** - * \file cipher.c - * - * \brief Generic cipher wrapper for PolarSSL - * - * \author Adriaan de Jong <dejong@fox-it.com> - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_CIPHER_C) - -#include "polarssl/cipher.h" -#include "polarssl/cipher_wrap.h" - -#include <stdlib.h> - -#if defined _MSC_VER && !defined strcasecmp -#define strcasecmp _stricmp -#endif - -static const int supported_ciphers[] = { - -#if defined(POLARSSL_AES_C) - POLARSSL_CIPHER_AES_128_CBC, - POLARSSL_CIPHER_AES_192_CBC, - POLARSSL_CIPHER_AES_256_CBC, - -#if defined(POLARSSL_CIPHER_MODE_CFB) - POLARSSL_CIPHER_AES_128_CFB128, - POLARSSL_CIPHER_AES_192_CFB128, - POLARSSL_CIPHER_AES_256_CFB128, -#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) - POLARSSL_CIPHER_AES_128_CTR, - POLARSSL_CIPHER_AES_192_CTR, - POLARSSL_CIPHER_AES_256_CTR, -#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */ - -#endif /* defined(POLARSSL_AES_C) */ - -#if defined(POLARSSL_CAMELLIA_C) - POLARSSL_CIPHER_CAMELLIA_128_CBC, - POLARSSL_CIPHER_CAMELLIA_192_CBC, - POLARSSL_CIPHER_CAMELLIA_256_CBC, - -#if defined(POLARSSL_CIPHER_MODE_CFB) - POLARSSL_CIPHER_CAMELLIA_128_CFB128, - POLARSSL_CIPHER_CAMELLIA_192_CFB128, - POLARSSL_CIPHER_CAMELLIA_256_CFB128, -#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) - POLARSSL_CIPHER_CAMELLIA_128_CTR, - POLARSSL_CIPHER_CAMELLIA_192_CTR, - POLARSSL_CIPHER_CAMELLIA_256_CTR, -#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */ - -#endif /* defined(POLARSSL_CAMELLIA_C) */ - -#if defined(POLARSSL_DES_C) - POLARSSL_CIPHER_DES_CBC, - POLARSSL_CIPHER_DES_EDE_CBC, - POLARSSL_CIPHER_DES_EDE3_CBC, -#endif /* defined(POLARSSL_DES_C) */ - -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - POLARSSL_CIPHER_NULL, -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - - 0 -}; - -const int *cipher_list( void ) -{ - return supported_ciphers; -} - -const cipher_info_t *cipher_info_from_type( const cipher_type_t cipher_type ) -{ - /* Find static cipher information */ - switch ( cipher_type ) - { -#if defined(POLARSSL_AES_C) - case POLARSSL_CIPHER_AES_128_CBC: - return &aes_128_cbc_info; - case POLARSSL_CIPHER_AES_192_CBC: - return &aes_192_cbc_info; - case POLARSSL_CIPHER_AES_256_CBC: - return &aes_256_cbc_info; - -#if defined(POLARSSL_CIPHER_MODE_CFB) - case POLARSSL_CIPHER_AES_128_CFB128: - return &aes_128_cfb128_info; - case POLARSSL_CIPHER_AES_192_CFB128: - return &aes_192_cfb128_info; - case POLARSSL_CIPHER_AES_256_CFB128: - return &aes_256_cfb128_info; -#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) - case POLARSSL_CIPHER_AES_128_CTR: - return &aes_128_ctr_info; - case POLARSSL_CIPHER_AES_192_CTR: - return &aes_192_ctr_info; - case POLARSSL_CIPHER_AES_256_CTR: - return &aes_256_ctr_info; -#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */ - -#endif - -#if defined(POLARSSL_CAMELLIA_C) - case POLARSSL_CIPHER_CAMELLIA_128_CBC: - return &camellia_128_cbc_info; - case POLARSSL_CIPHER_CAMELLIA_192_CBC: - return &camellia_192_cbc_info; - case POLARSSL_CIPHER_CAMELLIA_256_CBC: - return &camellia_256_cbc_info; - -#if defined(POLARSSL_CIPHER_MODE_CFB) - case POLARSSL_CIPHER_CAMELLIA_128_CFB128: - return &camellia_128_cfb128_info; - case POLARSSL_CIPHER_CAMELLIA_192_CFB128: - return &camellia_192_cfb128_info; - case POLARSSL_CIPHER_CAMELLIA_256_CFB128: - return &camellia_256_cfb128_info; -#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) - case POLARSSL_CIPHER_CAMELLIA_128_CTR: - return &camellia_128_ctr_info; - case POLARSSL_CIPHER_CAMELLIA_192_CTR: - return &camellia_192_ctr_info; - case POLARSSL_CIPHER_CAMELLIA_256_CTR: - return &camellia_256_ctr_info; -#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */ - -#endif - -#if defined(POLARSSL_DES_C) - case POLARSSL_CIPHER_DES_CBC: - return &des_cbc_info; - case POLARSSL_CIPHER_DES_EDE_CBC: - return &des_ede_cbc_info; - case POLARSSL_CIPHER_DES_EDE3_CBC: - return &des_ede3_cbc_info; -#endif - -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - case POLARSSL_CIPHER_NULL: - return &null_cipher_info; -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - - default: - return NULL; - } -} - -const cipher_info_t *cipher_info_from_string( const char *cipher_name ) -{ - if( NULL == cipher_name ) - return NULL; - - /* Get the appropriate cipher information */ -#if defined(POLARSSL_CAMELLIA_C) - if( !strcasecmp( "CAMELLIA-128-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_128_CBC ); - if( !strcasecmp( "CAMELLIA-192-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_192_CBC ); - if( !strcasecmp( "CAMELLIA-256-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_256_CBC ); - -#if defined(POLARSSL_CIPHER_MODE_CFB) - if( !strcasecmp( "CAMELLIA-128-CFB128", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_128_CFB128 ); - if( !strcasecmp( "CAMELLIA-192-CFB128", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_192_CFB128 ); - if( !strcasecmp( "CAMELLIA-256-CFB128", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_256_CFB128 ); -#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) - if( !strcasecmp( "CAMELLIA-128-CTR", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_128_CTR ); - if( !strcasecmp( "CAMELLIA-192-CTR", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_192_CTR ); - if( !strcasecmp( "CAMELLIA-256-CTR", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_CAMELLIA_256_CTR ); -#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */ -#endif - -#if defined(POLARSSL_AES_C) - if( !strcasecmp( "AES-128-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_128_CBC ); - if( !strcasecmp( "AES-192-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_192_CBC ); - if( !strcasecmp( "AES-256-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_256_CBC ); - -#if defined(POLARSSL_CIPHER_MODE_CFB) - if( !strcasecmp( "AES-128-CFB128", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_128_CFB128 ); - if( !strcasecmp( "AES-192-CFB128", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_192_CFB128 ); - if( !strcasecmp( "AES-256-CFB128", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_256_CFB128 ); -#endif /* defined(POLARSSL_CIPHER_MODE_CFB) */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) - if( !strcasecmp( "AES-128-CTR", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_128_CTR ); - if( !strcasecmp( "AES-192-CTR", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_192_CTR ); - if( !strcasecmp( "AES-256-CTR", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_AES_256_CTR ); -#endif /* defined(POLARSSL_CIPHER_MODE_CTR) */ -#endif - -#if defined(POLARSSL_DES_C) - if( !strcasecmp( "DES-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_DES_CBC ); - if( !strcasecmp( "DES-EDE-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_DES_EDE_CBC ); - if( !strcasecmp( "DES-EDE3-CBC", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_DES_EDE3_CBC ); -#endif - -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - if( !strcasecmp( "NULL", cipher_name ) ) - return cipher_info_from_type( POLARSSL_CIPHER_NULL ); -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - - return NULL; -} - -int cipher_init_ctx( cipher_context_t *ctx, const cipher_info_t *cipher_info ) -{ - if( NULL == cipher_info || NULL == ctx ) - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; - - memset( ctx, 0, sizeof( cipher_context_t ) ); - - if( NULL == ( ctx->cipher_ctx = cipher_info->base->ctx_alloc_func() ) ) - return POLARSSL_ERR_CIPHER_ALLOC_FAILED; - - ctx->cipher_info = cipher_info; - - return 0; -} - -int cipher_free_ctx( cipher_context_t *ctx ) -{ - if( ctx == NULL || ctx->cipher_info == NULL ) - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; - - ctx->cipher_info->base->ctx_free_func( ctx->cipher_ctx ); - - return 0; -} - -int cipher_setkey( cipher_context_t *ctx, const unsigned char *key, - int key_length, const operation_t operation ) -{ - if( NULL == ctx || NULL == ctx->cipher_info ) - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; - - ctx->key_length = key_length; - ctx->operation = operation; - -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - if( ctx->cipher_info->mode == POLARSSL_MODE_NULL ) - return 0; -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - - /* - * For CFB128 and CTR mode always use the encryption key schedule - */ - if( POLARSSL_ENCRYPT == operation || - POLARSSL_MODE_CFB128 == ctx->cipher_info->mode || - POLARSSL_MODE_CTR == ctx->cipher_info->mode ) - { - return ctx->cipher_info->base->setkey_enc_func( ctx->cipher_ctx, key, - ctx->key_length ); - } - - if( POLARSSL_DECRYPT == operation ) - return ctx->cipher_info->base->setkey_dec_func( ctx->cipher_ctx, key, - ctx->key_length ); - - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; -} - -int cipher_reset( cipher_context_t *ctx, const unsigned char *iv ) -{ - if( NULL == ctx || NULL == ctx->cipher_info || NULL == iv ) - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; - - ctx->unprocessed_len = 0; - - memcpy( ctx->iv, iv, cipher_get_iv_size( ctx ) ); - - return 0; -} - -int cipher_update( cipher_context_t *ctx, const unsigned char *input, size_t ilen, - unsigned char *output, size_t *olen ) -{ - int ret; - size_t copy_len = 0; - - if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen || - input == output ) - { - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; - } - - *olen = 0; - -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - if( ctx->cipher_info->mode == POLARSSL_MODE_NULL ) - { - memcpy( output, input, ilen ); - *olen = ilen; - return 0; - } -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - - if( ctx->cipher_info->mode == POLARSSL_MODE_CBC ) - { - /* - * If there is not enough data for a full block, cache it. - */ - if( ( ctx->operation == POLARSSL_DECRYPT && - ilen + ctx->unprocessed_len <= cipher_get_block_size( ctx ) ) || - ( ctx->operation == POLARSSL_ENCRYPT && - ilen + ctx->unprocessed_len < cipher_get_block_size( ctx ) ) ) - { - memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input, - ilen ); - - ctx->unprocessed_len += ilen; - return 0; - } - - /* - * Process cached data first - */ - if( ctx->unprocessed_len != 0 ) - { - copy_len = cipher_get_block_size( ctx ) - ctx->unprocessed_len; - - memcpy( &( ctx->unprocessed_data[ctx->unprocessed_len] ), input, - copy_len ); - - if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx, - ctx->operation, cipher_get_block_size( ctx ), ctx->iv, - ctx->unprocessed_data, output ) ) ) - { - return ret; - } - - *olen += cipher_get_block_size( ctx ); - output += cipher_get_block_size( ctx ); - ctx->unprocessed_len = 0; - - input += copy_len; - ilen -= copy_len; - } - - /* - * Cache final, incomplete block - */ - if( 0 != ilen ) - { - copy_len = ilen % cipher_get_block_size( ctx ); - if( copy_len == 0 && ctx->operation == POLARSSL_DECRYPT ) - copy_len = cipher_get_block_size(ctx); - - memcpy( ctx->unprocessed_data, &( input[ilen - copy_len] ), - copy_len ); - - ctx->unprocessed_len += copy_len; - ilen -= copy_len; - } - - /* - * Process remaining full blocks - */ - if( ilen ) - { - if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx, - ctx->operation, ilen, ctx->iv, input, output ) ) ) - { - return ret; - } - *olen += ilen; - } - - return 0; - } - - if( ctx->cipher_info->mode == POLARSSL_MODE_CFB128 ) - { - if( 0 != ( ret = ctx->cipher_info->base->cfb128_func( ctx->cipher_ctx, - ctx->operation, ilen, &ctx->unprocessed_len, ctx->iv, - input, output ) ) ) - { - return ret; - } - - *olen = ilen; - - return 0; - } - - if( ctx->cipher_info->mode == POLARSSL_MODE_CTR ) - { - if( 0 != ( ret = ctx->cipher_info->base->ctr_func( ctx->cipher_ctx, - ilen, &ctx->unprocessed_len, ctx->iv, - ctx->unprocessed_data, input, output ) ) ) - { - return ret; - } - - *olen = ilen; - - return 0; - } - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -} - -static void add_pkcs_padding( unsigned char *output, size_t output_len, - size_t data_len ) -{ - size_t padding_len = output_len - data_len; - unsigned char i = 0; - - for( i = 0; i < padding_len; i++ ) - output[data_len + i] = (unsigned char) padding_len; -} - -static int get_pkcs_padding( unsigned char *input, unsigned int input_len, - size_t *data_len) -{ - unsigned int i, padding_len = 0; - - if( NULL == input || NULL == data_len ) - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; - - padding_len = input[input_len - 1]; - - if( padding_len > input_len ) - return POLARSSL_ERR_CIPHER_INVALID_PADDING; - - for( i = input_len - padding_len; i < input_len; i++ ) - if( input[i] != padding_len ) - return POLARSSL_ERR_CIPHER_INVALID_PADDING; - - *data_len = input_len - padding_len; - - return 0; -} - -int cipher_finish( cipher_context_t *ctx, unsigned char *output, size_t *olen) -{ - int ret = 0; - - if( NULL == ctx || NULL == ctx->cipher_info || NULL == olen ) - return POLARSSL_ERR_CIPHER_BAD_INPUT_DATA; - - *olen = 0; - - if( POLARSSL_MODE_CFB128 == ctx->cipher_info->mode || - POLARSSL_MODE_CTR == ctx->cipher_info->mode || - POLARSSL_MODE_NULL == ctx->cipher_info->mode ) - { - return 0; - } - - if( POLARSSL_MODE_CBC == ctx->cipher_info->mode ) - { - if( POLARSSL_ENCRYPT == ctx->operation ) - { - add_pkcs_padding( ctx->unprocessed_data, cipher_get_iv_size( ctx ), - ctx->unprocessed_len ); - } - else if ( cipher_get_block_size( ctx ) != ctx->unprocessed_len ) - { - /* For decrypt operations, expect a full block */ - return POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED; - } - - /* cipher block */ - if( 0 != ( ret = ctx->cipher_info->base->cbc_func( ctx->cipher_ctx, - ctx->operation, cipher_get_block_size( ctx ), ctx->iv, - ctx->unprocessed_data, output ) ) ) - { - return ret; - } - - /* Set output size for decryption */ - if( POLARSSL_DECRYPT == ctx->operation ) - return get_pkcs_padding( output, cipher_get_block_size( ctx ), olen ); - - /* Set output size for encryption */ - *olen = cipher_get_block_size( ctx ); - return 0; - } - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -} - -#if defined(POLARSSL_SELF_TEST) - -#include <stdio.h> - -#define ASSERT(x) if (!(x)) { \ - printf( "failed with %i at %s\n", value, (#x) ); \ - return( 1 ); \ -} -/* - * Checkup routine - */ - -int cipher_self_test( int verbose ) -{ - ((void) verbose); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/cipher_wrap.c b/polarssl/src/library/cipher_wrap.c deleted file mode 100644 index 99e5092..0000000 --- a/polarssl/src/library/cipher_wrap.c +++ /dev/null @@ -1,595 +0,0 @@ -/** - * \file md_wrap.c - * - * \brief Generic cipher wrapper for PolarSSL - * - * \author Adriaan de Jong <dejong@fox-it.com> - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_CIPHER_C) - -#include "polarssl/cipher_wrap.h" - -#if defined(POLARSSL_AES_C) -#include "polarssl/aes.h" -#endif - -#if defined(POLARSSL_CAMELLIA_C) -#include "polarssl/camellia.h" -#endif - -#if defined(POLARSSL_DES_C) -#include "polarssl/des.h" -#endif - -#include <stdlib.h> - -#if defined(POLARSSL_AES_C) - -int aes_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, - unsigned char *iv, const unsigned char *input, unsigned char *output ) -{ - return aes_crypt_cbc( (aes_context *) ctx, operation, length, iv, input, output ); -} - -int aes_crypt_cfb128_wrap( void *ctx, operation_t operation, size_t length, - size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) -{ -#if defined(POLARSSL_CIPHER_MODE_CFB) - return aes_crypt_cfb128( (aes_context *) ctx, operation, length, iv_off, iv, input, output ); -#else - ((void) ctx); - ((void) operation); - ((void) length); - ((void) iv_off); - ((void) iv); - ((void) input); - ((void) output); - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -#endif -} - -int aes_crypt_ctr_wrap( void *ctx, size_t length, - size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, - const unsigned char *input, unsigned char *output ) -{ -#if defined(POLARSSL_CIPHER_MODE_CTR) - return aes_crypt_ctr( (aes_context *) ctx, length, nc_off, nonce_counter, - stream_block, input, output ); -#else - ((void) ctx); - ((void) length); - ((void) nc_off); - ((void) nonce_counter); - ((void) stream_block); - ((void) input); - ((void) output); - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -#endif -} - -int aes_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - return aes_setkey_dec( (aes_context *) ctx, key, key_length ); -} - -int aes_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - return aes_setkey_enc( (aes_context *) ctx, key, key_length ); -} - -static void * aes_ctx_alloc( void ) -{ - return malloc( sizeof( aes_context ) ); -} - -static void aes_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const cipher_base_t aes_info = { - POLARSSL_CIPHER_ID_AES, - aes_crypt_cbc_wrap, - aes_crypt_cfb128_wrap, - aes_crypt_ctr_wrap, - aes_setkey_enc_wrap, - aes_setkey_dec_wrap, - aes_ctx_alloc, - aes_ctx_free -}; - -const cipher_info_t aes_128_cbc_info = { - POLARSSL_CIPHER_AES_128_CBC, - POLARSSL_MODE_CBC, - 128, - "AES-128-CBC", - 16, - 16, - &aes_info -}; - -const cipher_info_t aes_192_cbc_info = { - POLARSSL_CIPHER_AES_192_CBC, - POLARSSL_MODE_CBC, - 192, - "AES-192-CBC", - 16, - 16, - &aes_info -}; - -const cipher_info_t aes_256_cbc_info = { - POLARSSL_CIPHER_AES_256_CBC, - POLARSSL_MODE_CBC, - 256, - "AES-256-CBC", - 16, - 16, - &aes_info -}; - -#if defined(POLARSSL_CIPHER_MODE_CFB) -const cipher_info_t aes_128_cfb128_info = { - POLARSSL_CIPHER_AES_128_CFB128, - POLARSSL_MODE_CFB128, - 128, - "AES-128-CFB128", - 16, - 16, - &aes_info -}; - -const cipher_info_t aes_192_cfb128_info = { - POLARSSL_CIPHER_AES_192_CFB128, - POLARSSL_MODE_CFB128, - 192, - "AES-192-CFB128", - 16, - 16, - &aes_info -}; - -const cipher_info_t aes_256_cfb128_info = { - POLARSSL_CIPHER_AES_256_CFB128, - POLARSSL_MODE_CFB128, - 256, - "AES-256-CFB128", - 16, - 16, - &aes_info -}; -#endif /* POLARSSL_CIPHER_MODE_CFB */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) -const cipher_info_t aes_128_ctr_info = { - POLARSSL_CIPHER_AES_128_CTR, - POLARSSL_MODE_CTR, - 128, - "AES-128-CTR", - 16, - 16, - &aes_info -}; - -const cipher_info_t aes_192_ctr_info = { - POLARSSL_CIPHER_AES_192_CTR, - POLARSSL_MODE_CTR, - 192, - "AES-192-CTR", - 16, - 16, - &aes_info -}; - -const cipher_info_t aes_256_ctr_info = { - POLARSSL_CIPHER_AES_256_CTR, - POLARSSL_MODE_CTR, - 256, - "AES-256-CTR", - 16, - 16, - &aes_info -}; -#endif /* POLARSSL_CIPHER_MODE_CTR */ - -#endif - -#if defined(POLARSSL_CAMELLIA_C) - -int camellia_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, - unsigned char *iv, const unsigned char *input, unsigned char *output ) -{ - return camellia_crypt_cbc( (camellia_context *) ctx, operation, length, iv, input, output ); -} - -int camellia_crypt_cfb128_wrap( void *ctx, operation_t operation, size_t length, - size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) -{ -#if defined(POLARSSL_CIPHER_MODE_CFB) - return camellia_crypt_cfb128( (camellia_context *) ctx, operation, length, iv_off, iv, input, output ); -#else - ((void) ctx); - ((void) operation); - ((void) length); - ((void) iv_off); - ((void) iv); - ((void) input); - ((void) output); - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -#endif -} - -int camellia_crypt_ctr_wrap( void *ctx, size_t length, - size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, - const unsigned char *input, unsigned char *output ) -{ -#if defined(POLARSSL_CIPHER_MODE_CTR) - return camellia_crypt_ctr( (camellia_context *) ctx, length, nc_off, nonce_counter, - stream_block, input, output ); -#else - ((void) ctx); - ((void) length); - ((void) nc_off); - ((void) nonce_counter); - ((void) stream_block); - ((void) input); - ((void) output); - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -#endif -} - -int camellia_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - return camellia_setkey_dec( (camellia_context *) ctx, key, key_length ); -} - -int camellia_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - return camellia_setkey_enc( (camellia_context *) ctx, key, key_length ); -} - -static void * camellia_ctx_alloc( void ) -{ - return malloc( sizeof( camellia_context ) ); -} - -static void camellia_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const cipher_base_t camellia_info = { - POLARSSL_CIPHER_ID_CAMELLIA, - camellia_crypt_cbc_wrap, - camellia_crypt_cfb128_wrap, - camellia_crypt_ctr_wrap, - camellia_setkey_enc_wrap, - camellia_setkey_dec_wrap, - camellia_ctx_alloc, - camellia_ctx_free -}; - -const cipher_info_t camellia_128_cbc_info = { - POLARSSL_CIPHER_CAMELLIA_128_CBC, - POLARSSL_MODE_CBC, - 128, - "CAMELLIA-128-CBC", - 16, - 16, - &camellia_info -}; - -const cipher_info_t camellia_192_cbc_info = { - POLARSSL_CIPHER_CAMELLIA_192_CBC, - POLARSSL_MODE_CBC, - 192, - "CAMELLIA-192-CBC", - 16, - 16, - &camellia_info -}; - -const cipher_info_t camellia_256_cbc_info = { - POLARSSL_CIPHER_CAMELLIA_256_CBC, - POLARSSL_MODE_CBC, - 256, - "CAMELLIA-256-CBC", - 16, - 16, - &camellia_info -}; - -#if defined(POLARSSL_CIPHER_MODE_CFB) -const cipher_info_t camellia_128_cfb128_info = { - POLARSSL_CIPHER_CAMELLIA_128_CFB128, - POLARSSL_MODE_CFB128, - 128, - "CAMELLIA-128-CFB128", - 16, - 16, - &camellia_info -}; - -const cipher_info_t camellia_192_cfb128_info = { - POLARSSL_CIPHER_CAMELLIA_192_CFB128, - POLARSSL_MODE_CFB128, - 192, - "CAMELLIA-192-CFB128", - 16, - 16, - &camellia_info -}; - -const cipher_info_t camellia_256_cfb128_info = { - POLARSSL_CIPHER_CAMELLIA_256_CFB128, - POLARSSL_MODE_CFB128, - 256, - "CAMELLIA-256-CFB128", - 16, - 16, - &camellia_info -}; -#endif /* POLARSSL_CIPHER_MODE_CFB */ - -#if defined(POLARSSL_CIPHER_MODE_CTR) -const cipher_info_t camellia_128_ctr_info = { - POLARSSL_CIPHER_CAMELLIA_128_CTR, - POLARSSL_MODE_CTR, - 128, - "CAMELLIA-128-CTR", - 16, - 16, - &camellia_info -}; - -const cipher_info_t camellia_192_ctr_info = { - POLARSSL_CIPHER_CAMELLIA_192_CTR, - POLARSSL_MODE_CTR, - 192, - "CAMELLIA-192-CTR", - 16, - 16, - &camellia_info -}; - -const cipher_info_t camellia_256_ctr_info = { - POLARSSL_CIPHER_CAMELLIA_256_CTR, - POLARSSL_MODE_CTR, - 256, - "CAMELLIA-256-CTR", - 16, - 16, - &camellia_info -}; -#endif /* POLARSSL_CIPHER_MODE_CTR */ - -#endif - -#if defined(POLARSSL_DES_C) - -int des_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, - unsigned char *iv, const unsigned char *input, unsigned char *output ) -{ - return des_crypt_cbc( (des_context *) ctx, operation, length, iv, input, output ); -} - -int des3_crypt_cbc_wrap( void *ctx, operation_t operation, size_t length, - unsigned char *iv, const unsigned char *input, unsigned char *output ) -{ - return des3_crypt_cbc( (des3_context *) ctx, operation, length, iv, input, output ); -} - -int des_crypt_cfb128_wrap( void *ctx, operation_t operation, size_t length, - size_t *iv_off, unsigned char *iv, const unsigned char *input, unsigned char *output ) -{ - ((void) ctx); - ((void) operation); - ((void) length); - ((void) iv_off); - ((void) iv); - ((void) input); - ((void) output); - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -} - -int des_crypt_ctr_wrap( void *ctx, size_t length, - size_t *nc_off, unsigned char *nonce_counter, unsigned char *stream_block, - const unsigned char *input, unsigned char *output ) -{ - ((void) ctx); - ((void) length); - ((void) nc_off); - ((void) nonce_counter); - ((void) stream_block); - ((void) input); - ((void) output); - - return POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE; -} - - -int des_setkey_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - ((void) key_length); - - return des_setkey_dec( (des_context *) ctx, key ); -} - -int des_setkey_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - ((void) key_length); - - return des_setkey_enc( (des_context *) ctx, key ); -} - -int des3_set2key_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - ((void) key_length); - - return des3_set2key_dec( (des3_context *) ctx, key ); -} - -int des3_set2key_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - ((void) key_length); - - return des3_set2key_enc( (des3_context *) ctx, key ); -} - -int des3_set3key_dec_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - ((void) key_length); - - return des3_set3key_dec( (des3_context *) ctx, key ); -} - -int des3_set3key_enc_wrap( void *ctx, const unsigned char *key, unsigned int key_length ) -{ - ((void) key_length); - - return des3_set3key_enc( (des3_context *) ctx, key ); -} - -static void * des_ctx_alloc( void ) -{ - return malloc( sizeof( des_context ) ); -} - -static void * des3_ctx_alloc( void ) -{ - return malloc( sizeof( des3_context ) ); -} - -static void des_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const cipher_base_t des_info = { - POLARSSL_CIPHER_ID_DES, - des_crypt_cbc_wrap, - des_crypt_cfb128_wrap, - des_crypt_ctr_wrap, - des_setkey_enc_wrap, - des_setkey_dec_wrap, - des_ctx_alloc, - des_ctx_free -}; - -const cipher_info_t des_cbc_info = { - POLARSSL_CIPHER_DES_CBC, - POLARSSL_MODE_CBC, - POLARSSL_KEY_LENGTH_DES, - "DES-CBC", - 8, - 8, - &des_info -}; - -const cipher_base_t des_ede_info = { - POLARSSL_CIPHER_ID_DES, - des3_crypt_cbc_wrap, - des_crypt_cfb128_wrap, - des_crypt_ctr_wrap, - des3_set2key_enc_wrap, - des3_set2key_dec_wrap, - des3_ctx_alloc, - des_ctx_free -}; - -const cipher_info_t des_ede_cbc_info = { - POLARSSL_CIPHER_DES_EDE_CBC, - POLARSSL_MODE_CBC, - POLARSSL_KEY_LENGTH_DES_EDE, - "DES-EDE-CBC", - 16, - 16, - &des_ede_info -}; - -const cipher_base_t des_ede3_info = { - POLARSSL_CIPHER_ID_DES, - des3_crypt_cbc_wrap, - des_crypt_cfb128_wrap, - des_crypt_ctr_wrap, - des3_set3key_enc_wrap, - des3_set3key_dec_wrap, - des3_ctx_alloc, - des_ctx_free -}; - -const cipher_info_t des_ede3_cbc_info = { - POLARSSL_CIPHER_DES_EDE3_CBC, - POLARSSL_MODE_CBC, - POLARSSL_KEY_LENGTH_DES_EDE3, - "DES-EDE3-CBC", - 8, - 8, - &des_ede3_info -}; -#endif - -#if defined(POLARSSL_CIPHER_NULL_CIPHER) -static void * null_ctx_alloc( void ) -{ - return (void *) 1; -} - - -static void null_ctx_free( void *ctx ) -{ - ((void) ctx); -} - -const cipher_base_t null_base_info = { - POLARSSL_CIPHER_ID_NULL, - NULL, - NULL, - NULL, - NULL, - NULL, - null_ctx_alloc, - null_ctx_free -}; - -const cipher_info_t null_cipher_info = { - POLARSSL_CIPHER_NULL, - POLARSSL_MODE_NULL, - 0, - "NULL", - 1, - 1, - &null_base_info -}; -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - -#endif diff --git a/polarssl/src/library/ctr_drbg.c b/polarssl/src/library/ctr_drbg.c deleted file mode 100644 index 1de7f05..0000000 --- a/polarssl/src/library/ctr_drbg.c +++ /dev/null @@ -1,562 +0,0 @@ -/* - * CTR_DRBG implementation based on AES-256 (NIST SP 800-90) - * - * Copyright (C) 2006-2011, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The NIST SP 800-90 DRBGs are described in the following publucation. - * - * http://csrc.nist.gov/publications/nistpubs/800-90/SP800-90revised_March2007.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_CTR_DRBG_C) - -#include "polarssl/ctr_drbg.h" - -#if defined(POLARSSL_FS_IO) -#include <stdio.h> -#endif - -/* - * Non-public function wrapped by ctr_crbg_init(). Necessary to allow NIST - * tests to succeed (which require known length fixed entropy) - */ -int ctr_drbg_init_entropy_len( - ctr_drbg_context *ctx, - int (*f_entropy)(void *, unsigned char *, size_t), - void *p_entropy, - const unsigned char *custom, - size_t len, - size_t entropy_len ) -{ - int ret; - unsigned char key[CTR_DRBG_KEYSIZE]; - - memset( ctx, 0, sizeof(ctr_drbg_context) ); - memset( key, 0, CTR_DRBG_KEYSIZE ); - - ctx->f_entropy = f_entropy; - ctx->p_entropy = p_entropy; - - ctx->entropy_len = entropy_len; - ctx->reseed_interval = CTR_DRBG_RESEED_INTERVAL; - - /* - * Initialize with an empty key - */ - aes_setkey_enc( &ctx->aes_ctx, key, CTR_DRBG_KEYBITS ); - - if( ( ret = ctr_drbg_reseed( ctx, custom, len ) ) != 0 ) - return( ret ); - - return( 0 ); -} - -int ctr_drbg_init( ctr_drbg_context *ctx, - int (*f_entropy)(void *, unsigned char *, size_t), - void *p_entropy, - const unsigned char *custom, - size_t len ) -{ - return( ctr_drbg_init_entropy_len( ctx, f_entropy, p_entropy, custom, len, - CTR_DRBG_ENTROPY_LEN ) ); -} - -void ctr_drbg_set_prediction_resistance( ctr_drbg_context *ctx, int resistance ) -{ - ctx->prediction_resistance = resistance; -} - -void ctr_drbg_set_entropy_len( ctr_drbg_context *ctx, size_t len ) -{ - ctx->entropy_len = len; -} - -void ctr_drbg_set_reseed_interval( ctr_drbg_context *ctx, int interval ) -{ - ctx->reseed_interval = interval; -} - -int block_cipher_df( unsigned char *output, - const unsigned char *data, size_t data_len ) -{ - unsigned char buf[CTR_DRBG_MAX_SEED_INPUT + CTR_DRBG_BLOCKSIZE + 16]; - unsigned char tmp[CTR_DRBG_SEEDLEN]; - unsigned char key[CTR_DRBG_KEYSIZE]; - unsigned char chain[CTR_DRBG_BLOCKSIZE]; - unsigned char *p = buf, *iv; - aes_context aes_ctx; - - int i, j, buf_len, use_len; - - memset( buf, 0, CTR_DRBG_MAX_SEED_INPUT + CTR_DRBG_BLOCKSIZE + 16 ); - - /* - * Construct IV (16 bytes) and S in buffer - * IV = Counter (in 32-bits) padded to 16 with zeroes - * S = Length input string (in 32-bits) || Length of output (in 32-bits) || - * data || 0x80 - * (Total is padded to a multiple of 16-bytes with zeroes) - */ - p = buf + CTR_DRBG_BLOCKSIZE; - *p++ = ( data_len >> 24 ) & 0xff; - *p++ = ( data_len >> 16 ) & 0xff; - *p++ = ( data_len >> 8 ) & 0xff; - *p++ = ( data_len ) & 0xff; - p += 3; - *p++ = CTR_DRBG_SEEDLEN; - memcpy( p, data, data_len ); - p[data_len] = 0x80; - - buf_len = CTR_DRBG_BLOCKSIZE + 8 + data_len + 1; - - for( i = 0; i < CTR_DRBG_KEYSIZE; i++ ) - key[i] = i; - - aes_setkey_enc( &aes_ctx, key, CTR_DRBG_KEYBITS ); - - /* - * Reduce data to POLARSSL_CTR_DRBG_SEEDLEN bytes of data - */ - for( j = 0; j < CTR_DRBG_SEEDLEN; j += CTR_DRBG_BLOCKSIZE ) - { - p = buf; - memset( chain, 0, CTR_DRBG_BLOCKSIZE ); - use_len = buf_len; - - while( use_len > 0 ) - { - for( i = 0; i < CTR_DRBG_BLOCKSIZE; i++ ) - chain[i] ^= p[i]; - p += CTR_DRBG_BLOCKSIZE; - use_len -= CTR_DRBG_BLOCKSIZE; - - aes_crypt_ecb( &aes_ctx, AES_ENCRYPT, chain, chain ); - } - - memcpy( tmp + j, chain, CTR_DRBG_BLOCKSIZE ); - - /* - * Update IV - */ - buf[3]++; - } - - /* - * Do final encryption with reduced data - */ - aes_setkey_enc( &aes_ctx, tmp, CTR_DRBG_KEYBITS ); - iv = tmp + CTR_DRBG_KEYSIZE; - p = output; - - for( j = 0; j < CTR_DRBG_SEEDLEN; j += CTR_DRBG_BLOCKSIZE ) - { - aes_crypt_ecb( &aes_ctx, AES_ENCRYPT, iv, iv ); - memcpy( p, iv, CTR_DRBG_BLOCKSIZE ); - p += CTR_DRBG_BLOCKSIZE; - } - - return( 0 ); -} - -int ctr_drbg_update_internal( ctr_drbg_context *ctx, - const unsigned char data[CTR_DRBG_SEEDLEN] ) -{ - unsigned char tmp[CTR_DRBG_SEEDLEN]; - unsigned char *p = tmp; - int i, j; - - memset( tmp, 0, CTR_DRBG_SEEDLEN ); - - for( j = 0; j < CTR_DRBG_SEEDLEN; j += CTR_DRBG_BLOCKSIZE ) - { - /* - * Increase counter - */ - for( i = CTR_DRBG_BLOCKSIZE; i >= 0; i-- ) - if( ++ctx->counter[i - 1] != 0 ) - break; - - /* - * Crypt counter block - */ - aes_crypt_ecb( &ctx->aes_ctx, AES_ENCRYPT, ctx->counter, p ); - - p += CTR_DRBG_BLOCKSIZE; - } - - for( i = 0; i < CTR_DRBG_SEEDLEN; i++ ) - tmp[i] ^= data[i]; - - /* - * Update key and counter - */ - aes_setkey_enc( &ctx->aes_ctx, tmp, CTR_DRBG_KEYBITS ); - memcpy( ctx->counter, tmp + CTR_DRBG_KEYSIZE, CTR_DRBG_BLOCKSIZE ); - - return( 0 ); -} - -void ctr_drbg_update( ctr_drbg_context *ctx, - const unsigned char *additional, size_t add_len ) -{ - unsigned char add_input[CTR_DRBG_SEEDLEN]; - - if( add_len > 0 ) - { - block_cipher_df( add_input, additional, add_len ); - ctr_drbg_update_internal( ctx, add_input ); - } -} - -int ctr_drbg_reseed( ctr_drbg_context *ctx, - const unsigned char *additional, size_t len ) -{ - unsigned char seed[CTR_DRBG_MAX_SEED_INPUT]; - size_t seedlen = 0; - - if( ctx->entropy_len + len > CTR_DRBG_MAX_SEED_INPUT ) - return( POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG ); - - memset( seed, 0, CTR_DRBG_MAX_SEED_INPUT ); - - /* - * Gather enropy_len bytes of entropy to seed state - */ - if( 0 != ctx->f_entropy( ctx->p_entropy, seed, - ctx->entropy_len ) ) - { - return( POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED ); - } - - seedlen += ctx->entropy_len; - - /* - * Add additional data - */ - if( additional && len ) - { - memcpy( seed + seedlen, additional, len ); - seedlen += len; - } - - /* - * Reduce to 384 bits - */ - block_cipher_df( seed, seed, seedlen ); - - /* - * Update state - */ - ctr_drbg_update_internal( ctx, seed ); - ctx->reseed_counter = 1; - - return( 0 ); -} - -int ctr_drbg_random_with_add( void *p_rng, - unsigned char *output, size_t output_len, - const unsigned char *additional, size_t add_len ) -{ - int ret = 0; - ctr_drbg_context *ctx = (ctr_drbg_context *) p_rng; - unsigned char add_input[CTR_DRBG_SEEDLEN]; - unsigned char *p = output; - unsigned char tmp[CTR_DRBG_BLOCKSIZE]; - int i; - size_t use_len; - - if( output_len > CTR_DRBG_MAX_REQUEST ) - return( POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG ); - - if( add_len > CTR_DRBG_MAX_INPUT ) - return( POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG ); - - memset( add_input, 0, CTR_DRBG_SEEDLEN ); - - if( ctx->reseed_counter > ctx->reseed_interval || - ctx->prediction_resistance ) - { - if( ( ret = ctr_drbg_reseed( ctx, additional, add_len ) ) != 0 ) - return( ret ); - - add_len = 0; - } - - if( add_len > 0 ) - { - block_cipher_df( add_input, additional, add_len ); - ctr_drbg_update_internal( ctx, add_input ); - } - - while( output_len > 0 ) - { - /* - * Increase counter - */ - for( i = CTR_DRBG_BLOCKSIZE; i > 0; i-- ) - if( ++ctx->counter[i - 1] != 0 ) - break; - - /* - * Crypt counter block - */ - aes_crypt_ecb( &ctx->aes_ctx, AES_ENCRYPT, ctx->counter, tmp ); - - use_len = (output_len > CTR_DRBG_BLOCKSIZE ) ? CTR_DRBG_BLOCKSIZE : output_len; - /* - * Copy random block to destination - */ - memcpy( p, tmp, use_len ); - p += use_len; - output_len -= use_len; - } - - ctr_drbg_update_internal( ctx, add_input ); - - ctx->reseed_counter++; - - return( 0 ); -} - -int ctr_drbg_random( void *p_rng, unsigned char *output, size_t output_len ) -{ - return ctr_drbg_random_with_add( p_rng, output, output_len, NULL, 0 ); -} - -#if defined(POLARSSL_FS_IO) -int ctr_drbg_write_seed_file( ctr_drbg_context *ctx, const char *path ) -{ - int ret; - FILE *f; - unsigned char buf[ CTR_DRBG_MAX_INPUT ]; - - if( ( f = fopen( path, "wb" ) ) == NULL ) - return( POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR ); - - if( ( ret = ctr_drbg_random( ctx, buf, CTR_DRBG_MAX_INPUT ) ) != 0 ) - return( ret ); - - if( fwrite( buf, 1, CTR_DRBG_MAX_INPUT, f ) != CTR_DRBG_MAX_INPUT ) - { - fclose( f ); - return( POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR ); - } - - fclose( f ); - return( 0 ); -} - -int ctr_drbg_update_seed_file( ctr_drbg_context *ctx, const char *path ) -{ - FILE *f; - size_t n; - unsigned char buf[ CTR_DRBG_MAX_INPUT ]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR ); - - fseek( f, 0, SEEK_END ); - n = (size_t) ftell( f ); - fseek( f, 0, SEEK_SET ); - - if( n > CTR_DRBG_MAX_INPUT ) - return( POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG ); - - if( fread( buf, 1, n, f ) != n ) - { - fclose( f ); - return( POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR ); - } - - ctr_drbg_update( ctx, buf, n ); - - fclose( f ); - - return( ctr_drbg_write_seed_file( ctx, path ) ); -} -#endif /* POLARSSL_FS_IO */ - -#if defined(POLARSSL_SELF_TEST) - -#include <stdio.h> - -unsigned char entropy_source_pr[96] = - { 0xc1, 0x80, 0x81, 0xa6, 0x5d, 0x44, 0x02, 0x16, - 0x19, 0xb3, 0xf1, 0x80, 0xb1, 0xc9, 0x20, 0x02, - 0x6a, 0x54, 0x6f, 0x0c, 0x70, 0x81, 0x49, 0x8b, - 0x6e, 0xa6, 0x62, 0x52, 0x6d, 0x51, 0xb1, 0xcb, - 0x58, 0x3b, 0xfa, 0xd5, 0x37, 0x5f, 0xfb, 0xc9, - 0xff, 0x46, 0xd2, 0x19, 0xc7, 0x22, 0x3e, 0x95, - 0x45, 0x9d, 0x82, 0xe1, 0xe7, 0x22, 0x9f, 0x63, - 0x31, 0x69, 0xd2, 0x6b, 0x57, 0x47, 0x4f, 0xa3, - 0x37, 0xc9, 0x98, 0x1c, 0x0b, 0xfb, 0x91, 0x31, - 0x4d, 0x55, 0xb9, 0xe9, 0x1c, 0x5a, 0x5e, 0xe4, - 0x93, 0x92, 0xcf, 0xc5, 0x23, 0x12, 0xd5, 0x56, - 0x2c, 0x4a, 0x6e, 0xff, 0xdc, 0x10, 0xd0, 0x68 }; - -unsigned char entropy_source_nopr[64] = - { 0x5a, 0x19, 0x4d, 0x5e, 0x2b, 0x31, 0x58, 0x14, - 0x54, 0xde, 0xf6, 0x75, 0xfb, 0x79, 0x58, 0xfe, - 0xc7, 0xdb, 0x87, 0x3e, 0x56, 0x89, 0xfc, 0x9d, - 0x03, 0x21, 0x7c, 0x68, 0xd8, 0x03, 0x38, 0x20, - 0xf9, 0xe6, 0x5e, 0x04, 0xd8, 0x56, 0xf3, 0xa9, - 0xc4, 0x4a, 0x4c, 0xbd, 0xc1, 0xd0, 0x08, 0x46, - 0xf5, 0x98, 0x3d, 0x77, 0x1c, 0x1b, 0x13, 0x7e, - 0x4e, 0x0f, 0x9d, 0x8e, 0xf4, 0x09, 0xf9, 0x2e }; - -unsigned char nonce_pers_pr[16] = - { 0xd2, 0x54, 0xfc, 0xff, 0x02, 0x1e, 0x69, 0xd2, - 0x29, 0xc9, 0xcf, 0xad, 0x85, 0xfa, 0x48, 0x6c }; - -unsigned char nonce_pers_nopr[16] = - { 0x1b, 0x54, 0xb8, 0xff, 0x06, 0x42, 0xbf, 0xf5, - 0x21, 0xf1, 0x5c, 0x1c, 0x0b, 0x66, 0x5f, 0x3f }; - -unsigned char result_pr[16] = - { 0x34, 0x01, 0x16, 0x56, 0xb4, 0x29, 0x00, 0x8f, - 0x35, 0x63, 0xec, 0xb5, 0xf2, 0x59, 0x07, 0x23 }; - -unsigned char result_nopr[16] = - { 0xa0, 0x54, 0x30, 0x3d, 0x8a, 0x7e, 0xa9, 0x88, - 0x9d, 0x90, 0x3e, 0x07, 0x7c, 0x6f, 0x21, 0x8f }; - -int test_offset; -int ctr_drbg_self_test_entropy( void *data, unsigned char *buf, size_t len ) -{ - unsigned char *p = data; - memcpy( buf, p + test_offset, len ); - test_offset += 32; - return( 0 ); -} - -/* - * Checkup routine - */ -int ctr_drbg_self_test( int verbose ) -{ - ctr_drbg_context ctx; - unsigned char buf[16]; - - /* - * Based on a NIST CTR_DRBG test vector (PR = True) - */ - if( verbose != 0 ) - printf( " CTR_DRBG (PR = TRUE) : " ); - - test_offset = 0; - if( ctr_drbg_init_entropy_len( &ctx, ctr_drbg_self_test_entropy, entropy_source_pr, nonce_pers_pr, 16, 32 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - ctr_drbg_set_prediction_resistance( &ctx, CTR_DRBG_PR_ON ); - - if( ctr_drbg_random( &ctx, buf, CTR_DRBG_BLOCKSIZE ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( ctr_drbg_random( &ctx, buf, CTR_DRBG_BLOCKSIZE ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( memcmp( buf, result_pr, CTR_DRBG_BLOCKSIZE ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - /* - * Based on a NIST CTR_DRBG test vector (PR = FALSE) - */ - if( verbose != 0 ) - printf( " CTR_DRBG (PR = FALSE): " ); - - test_offset = 0; - if( ctr_drbg_init_entropy_len( &ctx, ctr_drbg_self_test_entropy, entropy_source_nopr, nonce_pers_nopr, 16, 32 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( ctr_drbg_random( &ctx, buf, 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( ctr_drbg_reseed( &ctx, NULL, 0 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( ctr_drbg_random( &ctx, buf, 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( memcmp( buf, result_nopr, 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} -#endif - -#endif diff --git a/polarssl/src/library/debug.c b/polarssl/src/library/debug.c deleted file mode 100644 index 687e194..0000000 --- a/polarssl/src/library/debug.c +++ /dev/null @@ -1,238 +0,0 @@ -/* - * Debugging routines - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_DEBUG_C) - -#include "polarssl/debug.h" - -#include <stdarg.h> -#include <stdlib.h> - -#if defined _MSC_VER && !defined snprintf -#define snprintf _snprintf -#endif - -#if defined _MSC_VER && !defined vsnprintf -#define vsnprintf _vsnprintf -#endif - -char *debug_fmt( const char *format, ... ) -{ - va_list argp; - static char str[512]; - int maxlen = sizeof( str ) - 1; - - va_start( argp, format ); - vsnprintf( str, maxlen, format, argp ); - va_end( argp ); - - str[maxlen] = '\0'; - return( str ); -} - -void debug_print_msg( const ssl_context *ssl, int level, - const char *file, int line, const char *text ) -{ - char str[512]; - int maxlen = sizeof( str ) - 1; - - if( ssl->f_dbg == NULL ) - return; - - snprintf( str, maxlen, "%s(%04d): %s\n", file, line, text ); - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); -} - -void debug_print_ret( const ssl_context *ssl, int level, - const char *file, int line, - const char *text, int ret ) -{ - char str[512]; - int maxlen = sizeof( str ) - 1; - - if( ssl->f_dbg == NULL ) - return; - - snprintf( str, maxlen, "%s(%04d): %s() returned %d (0x%x)\n", - file, line, text, ret, ret ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); -} - -void debug_print_buf( const ssl_context *ssl, int level, - const char *file, int line, const char *text, - unsigned char *buf, size_t len ) -{ - char str[512]; - size_t i, maxlen = sizeof( str ) - 1; - - if( ssl->f_dbg == NULL ) - return; - - snprintf( str, maxlen, "%s(%04d): dumping '%s' (%d bytes)\n", - file, line, text, (unsigned int) len ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - - for( i = 0; i < len; i++ ) - { - if( i >= 4096 ) - break; - - if( i % 16 == 0 ) - { - if( i > 0 ) - ssl->f_dbg( ssl->p_dbg, level, "\n" ); - - snprintf( str, maxlen, "%s(%04d): %04x: ", file, line, - (unsigned int) i ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - } - - snprintf( str, maxlen, " %02x", (unsigned int) buf[i] ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - } - - if( len > 0 ) - ssl->f_dbg( ssl->p_dbg, level, "\n" ); -} - -void debug_print_mpi( const ssl_context *ssl, int level, - const char *file, int line, - const char *text, const mpi *X ) -{ - char str[512]; - int j, k, maxlen = sizeof( str ) - 1, zeros = 1; - size_t i, n; - - if( ssl->f_dbg == NULL || X == NULL ) - return; - - for( n = X->n - 1; n > 0; n-- ) - if( X->p[n] != 0 ) - break; - - for( j = ( sizeof(t_uint) << 3 ) - 1; j >= 0; j-- ) - if( ( ( X->p[n] >> j ) & 1 ) != 0 ) - break; - - snprintf( str, maxlen, "%s(%04d): value of '%s' (%lu bits) is:\n", - file, line, text, - (unsigned long) ( ( n * ( sizeof(t_uint) << 3 ) ) + j + 1 ) ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - - for( i = n + 1, j = 0; i > 0; i-- ) - { - if( zeros && X->p[i - 1] == 0 ) - continue; - - for( k = sizeof( t_uint ) - 1; k >= 0; k-- ) - { - if( zeros && ( ( X->p[i - 1] >> (k << 3) ) & 0xFF ) == 0 ) - continue; - else - zeros = 0; - - if( j % 16 == 0 ) - { - if( j > 0 ) - ssl->f_dbg( ssl->p_dbg, level, "\n" ); - - snprintf( str, maxlen, "%s(%04d): ", file, line ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - } - - snprintf( str, maxlen, " %02x", (unsigned int) - ( X->p[i - 1] >> (k << 3) ) & 0xFF ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - - j++; - } - - } - - if( zeros == 1 ) - { - snprintf( str, maxlen, "%s(%04d): ", file, line ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - ssl->f_dbg( ssl->p_dbg, level, " 00" ); - } - - ssl->f_dbg( ssl->p_dbg, level, "\n" ); -} - -void debug_print_crt( const ssl_context *ssl, int level, - const char *file, int line, - const char *text, const x509_cert *crt ) -{ - char str[1024], prefix[64]; - int i = 0, maxlen = sizeof( prefix ) - 1; - - if( ssl->f_dbg == NULL || crt == NULL ) - return; - - snprintf( prefix, maxlen, "%s(%04d): ", file, line ); - prefix[maxlen] = '\0'; - maxlen = sizeof( str ) - 1; - - while( crt != NULL ) - { - char buf[1024]; - x509parse_cert_info( buf, sizeof( buf ) - 1, prefix, crt ); - - snprintf( str, maxlen, "%s(%04d): %s #%d:\n%s", - file, line, text, ++i, buf ); - - str[maxlen] = '\0'; - ssl->f_dbg( ssl->p_dbg, level, str ); - - debug_print_mpi( ssl, level, file, line, - "crt->rsa.N", &crt->rsa.N ); - - debug_print_mpi( ssl, level, file, line, - "crt->rsa.E", &crt->rsa.E ); - - crt = crt->next; - } -} - -#endif diff --git a/polarssl/src/library/des.c b/polarssl/src/library/des.c deleted file mode 100644 index b40baf8..0000000 --- a/polarssl/src/library/des.c +++ /dev/null @@ -1,993 +0,0 @@ -/* - * FIPS-46-3 compliant Triple-DES implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * DES, on which TDES is based, was originally designed by Horst Feistel - * at IBM in 1974, and was adopted as a standard by NIST (formerly NBS). - * - * http://csrc.nist.gov/publications/fips/fips46-3/fips46-3.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_DES_C) - -#include "polarssl/des.h" - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_ULONG_BE -#define GET_ULONG_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ - | ( (unsigned long) (b)[(i) + 1] << 16 ) \ - | ( (unsigned long) (b)[(i) + 2] << 8 ) \ - | ( (unsigned long) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_ULONG_BE -#define PUT_ULONG_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -/* - * Expanded DES S-boxes - */ -static const unsigned long SB1[64] = -{ - 0x01010400, 0x00000000, 0x00010000, 0x01010404, - 0x01010004, 0x00010404, 0x00000004, 0x00010000, - 0x00000400, 0x01010400, 0x01010404, 0x00000400, - 0x01000404, 0x01010004, 0x01000000, 0x00000004, - 0x00000404, 0x01000400, 0x01000400, 0x00010400, - 0x00010400, 0x01010000, 0x01010000, 0x01000404, - 0x00010004, 0x01000004, 0x01000004, 0x00010004, - 0x00000000, 0x00000404, 0x00010404, 0x01000000, - 0x00010000, 0x01010404, 0x00000004, 0x01010000, - 0x01010400, 0x01000000, 0x01000000, 0x00000400, - 0x01010004, 0x00010000, 0x00010400, 0x01000004, - 0x00000400, 0x00000004, 0x01000404, 0x00010404, - 0x01010404, 0x00010004, 0x01010000, 0x01000404, - 0x01000004, 0x00000404, 0x00010404, 0x01010400, - 0x00000404, 0x01000400, 0x01000400, 0x00000000, - 0x00010004, 0x00010400, 0x00000000, 0x01010004 -}; - -static const unsigned long SB2[64] = -{ - 0x80108020, 0x80008000, 0x00008000, 0x00108020, - 0x00100000, 0x00000020, 0x80100020, 0x80008020, - 0x80000020, 0x80108020, 0x80108000, 0x80000000, - 0x80008000, 0x00100000, 0x00000020, 0x80100020, - 0x00108000, 0x00100020, 0x80008020, 0x00000000, - 0x80000000, 0x00008000, 0x00108020, 0x80100000, - 0x00100020, 0x80000020, 0x00000000, 0x00108000, - 0x00008020, 0x80108000, 0x80100000, 0x00008020, - 0x00000000, 0x00108020, 0x80100020, 0x00100000, - 0x80008020, 0x80100000, 0x80108000, 0x00008000, - 0x80100000, 0x80008000, 0x00000020, 0x80108020, - 0x00108020, 0x00000020, 0x00008000, 0x80000000, - 0x00008020, 0x80108000, 0x00100000, 0x80000020, - 0x00100020, 0x80008020, 0x80000020, 0x00100020, - 0x00108000, 0x00000000, 0x80008000, 0x00008020, - 0x80000000, 0x80100020, 0x80108020, 0x00108000 -}; - -static const unsigned long SB3[64] = -{ - 0x00000208, 0x08020200, 0x00000000, 0x08020008, - 0x08000200, 0x00000000, 0x00020208, 0x08000200, - 0x00020008, 0x08000008, 0x08000008, 0x00020000, - 0x08020208, 0x00020008, 0x08020000, 0x00000208, - 0x08000000, 0x00000008, 0x08020200, 0x00000200, - 0x00020200, 0x08020000, 0x08020008, 0x00020208, - 0x08000208, 0x00020200, 0x00020000, 0x08000208, - 0x00000008, 0x08020208, 0x00000200, 0x08000000, - 0x08020200, 0x08000000, 0x00020008, 0x00000208, - 0x00020000, 0x08020200, 0x08000200, 0x00000000, - 0x00000200, 0x00020008, 0x08020208, 0x08000200, - 0x08000008, 0x00000200, 0x00000000, 0x08020008, - 0x08000208, 0x00020000, 0x08000000, 0x08020208, - 0x00000008, 0x00020208, 0x00020200, 0x08000008, - 0x08020000, 0x08000208, 0x00000208, 0x08020000, - 0x00020208, 0x00000008, 0x08020008, 0x00020200 -}; - -static const unsigned long SB4[64] = -{ - 0x00802001, 0x00002081, 0x00002081, 0x00000080, - 0x00802080, 0x00800081, 0x00800001, 0x00002001, - 0x00000000, 0x00802000, 0x00802000, 0x00802081, - 0x00000081, 0x00000000, 0x00800080, 0x00800001, - 0x00000001, 0x00002000, 0x00800000, 0x00802001, - 0x00000080, 0x00800000, 0x00002001, 0x00002080, - 0x00800081, 0x00000001, 0x00002080, 0x00800080, - 0x00002000, 0x00802080, 0x00802081, 0x00000081, - 0x00800080, 0x00800001, 0x00802000, 0x00802081, - 0x00000081, 0x00000000, 0x00000000, 0x00802000, - 0x00002080, 0x00800080, 0x00800081, 0x00000001, - 0x00802001, 0x00002081, 0x00002081, 0x00000080, - 0x00802081, 0x00000081, 0x00000001, 0x00002000, - 0x00800001, 0x00002001, 0x00802080, 0x00800081, - 0x00002001, 0x00002080, 0x00800000, 0x00802001, - 0x00000080, 0x00800000, 0x00002000, 0x00802080 -}; - -static const unsigned long SB5[64] = -{ - 0x00000100, 0x02080100, 0x02080000, 0x42000100, - 0x00080000, 0x00000100, 0x40000000, 0x02080000, - 0x40080100, 0x00080000, 0x02000100, 0x40080100, - 0x42000100, 0x42080000, 0x00080100, 0x40000000, - 0x02000000, 0x40080000, 0x40080000, 0x00000000, - 0x40000100, 0x42080100, 0x42080100, 0x02000100, - 0x42080000, 0x40000100, 0x00000000, 0x42000000, - 0x02080100, 0x02000000, 0x42000000, 0x00080100, - 0x00080000, 0x42000100, 0x00000100, 0x02000000, - 0x40000000, 0x02080000, 0x42000100, 0x40080100, - 0x02000100, 0x40000000, 0x42080000, 0x02080100, - 0x40080100, 0x00000100, 0x02000000, 0x42080000, - 0x42080100, 0x00080100, 0x42000000, 0x42080100, - 0x02080000, 0x00000000, 0x40080000, 0x42000000, - 0x00080100, 0x02000100, 0x40000100, 0x00080000, - 0x00000000, 0x40080000, 0x02080100, 0x40000100 -}; - -static const unsigned long SB6[64] = -{ - 0x20000010, 0x20400000, 0x00004000, 0x20404010, - 0x20400000, 0x00000010, 0x20404010, 0x00400000, - 0x20004000, 0x00404010, 0x00400000, 0x20000010, - 0x00400010, 0x20004000, 0x20000000, 0x00004010, - 0x00000000, 0x00400010, 0x20004010, 0x00004000, - 0x00404000, 0x20004010, 0x00000010, 0x20400010, - 0x20400010, 0x00000000, 0x00404010, 0x20404000, - 0x00004010, 0x00404000, 0x20404000, 0x20000000, - 0x20004000, 0x00000010, 0x20400010, 0x00404000, - 0x20404010, 0x00400000, 0x00004010, 0x20000010, - 0x00400000, 0x20004000, 0x20000000, 0x00004010, - 0x20000010, 0x20404010, 0x00404000, 0x20400000, - 0x00404010, 0x20404000, 0x00000000, 0x20400010, - 0x00000010, 0x00004000, 0x20400000, 0x00404010, - 0x00004000, 0x00400010, 0x20004010, 0x00000000, - 0x20404000, 0x20000000, 0x00400010, 0x20004010 -}; - -static const unsigned long SB7[64] = -{ - 0x00200000, 0x04200002, 0x04000802, 0x00000000, - 0x00000800, 0x04000802, 0x00200802, 0x04200800, - 0x04200802, 0x00200000, 0x00000000, 0x04000002, - 0x00000002, 0x04000000, 0x04200002, 0x00000802, - 0x04000800, 0x00200802, 0x00200002, 0x04000800, - 0x04000002, 0x04200000, 0x04200800, 0x00200002, - 0x04200000, 0x00000800, 0x00000802, 0x04200802, - 0x00200800, 0x00000002, 0x04000000, 0x00200800, - 0x04000000, 0x00200800, 0x00200000, 0x04000802, - 0x04000802, 0x04200002, 0x04200002, 0x00000002, - 0x00200002, 0x04000000, 0x04000800, 0x00200000, - 0x04200800, 0x00000802, 0x00200802, 0x04200800, - 0x00000802, 0x04000002, 0x04200802, 0x04200000, - 0x00200800, 0x00000000, 0x00000002, 0x04200802, - 0x00000000, 0x00200802, 0x04200000, 0x00000800, - 0x04000002, 0x04000800, 0x00000800, 0x00200002 -}; - -static const unsigned long SB8[64] = -{ - 0x10001040, 0x00001000, 0x00040000, 0x10041040, - 0x10000000, 0x10001040, 0x00000040, 0x10000000, - 0x00040040, 0x10040000, 0x10041040, 0x00041000, - 0x10041000, 0x00041040, 0x00001000, 0x00000040, - 0x10040000, 0x10000040, 0x10001000, 0x00001040, - 0x00041000, 0x00040040, 0x10040040, 0x10041000, - 0x00001040, 0x00000000, 0x00000000, 0x10040040, - 0x10000040, 0x10001000, 0x00041040, 0x00040000, - 0x00041040, 0x00040000, 0x10041000, 0x00001000, - 0x00000040, 0x10040040, 0x00001000, 0x00041040, - 0x10001000, 0x00000040, 0x10000040, 0x10040000, - 0x10040040, 0x10000000, 0x00040000, 0x10001040, - 0x00000000, 0x10041040, 0x00040040, 0x10000040, - 0x10040000, 0x10001000, 0x10001040, 0x00000000, - 0x10041040, 0x00041000, 0x00041000, 0x00001040, - 0x00001040, 0x00040040, 0x10000000, 0x10041000 -}; - -/* - * PC1: left and right halves bit-swap - */ -static const unsigned long LHs[16] = -{ - 0x00000000, 0x00000001, 0x00000100, 0x00000101, - 0x00010000, 0x00010001, 0x00010100, 0x00010101, - 0x01000000, 0x01000001, 0x01000100, 0x01000101, - 0x01010000, 0x01010001, 0x01010100, 0x01010101 -}; - -static const unsigned long RHs[16] = -{ - 0x00000000, 0x01000000, 0x00010000, 0x01010000, - 0x00000100, 0x01000100, 0x00010100, 0x01010100, - 0x00000001, 0x01000001, 0x00010001, 0x01010001, - 0x00000101, 0x01000101, 0x00010101, 0x01010101, -}; - -/* - * Initial Permutation macro - */ -#define DES_IP(X,Y) \ -{ \ - T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \ - T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \ - T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \ - T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \ - Y = ((Y << 1) | (Y >> 31)) & 0xFFFFFFFF; \ - T = (X ^ Y) & 0xAAAAAAAA; Y ^= T; X ^= T; \ - X = ((X << 1) | (X >> 31)) & 0xFFFFFFFF; \ -} - -/* - * Final Permutation macro - */ -#define DES_FP(X,Y) \ -{ \ - X = ((X << 31) | (X >> 1)) & 0xFFFFFFFF; \ - T = (X ^ Y) & 0xAAAAAAAA; X ^= T; Y ^= T; \ - Y = ((Y << 31) | (Y >> 1)) & 0xFFFFFFFF; \ - T = ((Y >> 8) ^ X) & 0x00FF00FF; X ^= T; Y ^= (T << 8); \ - T = ((Y >> 2) ^ X) & 0x33333333; X ^= T; Y ^= (T << 2); \ - T = ((X >> 16) ^ Y) & 0x0000FFFF; Y ^= T; X ^= (T << 16); \ - T = ((X >> 4) ^ Y) & 0x0F0F0F0F; Y ^= T; X ^= (T << 4); \ -} - -/* - * DES round macro - */ -#define DES_ROUND(X,Y) \ -{ \ - T = *SK++ ^ X; \ - Y ^= SB8[ (T ) & 0x3F ] ^ \ - SB6[ (T >> 8) & 0x3F ] ^ \ - SB4[ (T >> 16) & 0x3F ] ^ \ - SB2[ (T >> 24) & 0x3F ]; \ - \ - T = *SK++ ^ ((X << 28) | (X >> 4)); \ - Y ^= SB7[ (T ) & 0x3F ] ^ \ - SB5[ (T >> 8) & 0x3F ] ^ \ - SB3[ (T >> 16) & 0x3F ] ^ \ - SB1[ (T >> 24) & 0x3F ]; \ -} - -#define SWAP(a,b) { unsigned long t = a; a = b; b = t; t = 0; } - -static const unsigned char odd_parity_table[128] = { 1, 2, 4, 7, 8, - 11, 13, 14, 16, 19, 21, 22, 25, 26, 28, 31, 32, 35, 37, 38, 41, 42, 44, - 47, 49, 50, 52, 55, 56, 59, 61, 62, 64, 67, 69, 70, 73, 74, 76, 79, 81, - 82, 84, 87, 88, 91, 93, 94, 97, 98, 100, 103, 104, 107, 109, 110, 112, - 115, 117, 118, 121, 122, 124, 127, 128, 131, 133, 134, 137, 138, 140, - 143, 145, 146, 148, 151, 152, 155, 157, 158, 161, 162, 164, 167, 168, - 171, 173, 174, 176, 179, 181, 182, 185, 186, 188, 191, 193, 194, 196, - 199, 200, 203, 205, 206, 208, 211, 213, 214, 217, 218, 220, 223, 224, - 227, 229, 230, 233, 234, 236, 239, 241, 242, 244, 247, 248, 251, 253, - 254 }; - -void des_key_set_parity( unsigned char key[DES_KEY_SIZE] ) -{ - int i; - - for( i = 0; i < DES_KEY_SIZE; i++ ) - key[i] = odd_parity_table[key[i] / 2]; -} - -/* - * Check the given key's parity, returns 1 on failure, 0 on SUCCESS - */ -int des_key_check_key_parity( const unsigned char key[DES_KEY_SIZE] ) -{ - int i; - - for( i = 0; i < DES_KEY_SIZE; i++ ) - if ( key[i] != odd_parity_table[key[i] / 2] ) - return( 1 ); - - return( 0 ); -} - -/* - * Table of weak and semi-weak keys - * - * Source: http://en.wikipedia.org/wiki/Weak_key - * - * Weak: - * Alternating ones + zeros (0x0101010101010101) - * Alternating 'F' + 'E' (0xFEFEFEFEFEFEFEFE) - * '0xE0E0E0E0F1F1F1F1' - * '0x1F1F1F1F0E0E0E0E' - * - * Semi-weak: - * 0x011F011F010E010E and 0x1F011F010E010E01 - * 0x01E001E001F101F1 and 0xE001E001F101F101 - * 0x01FE01FE01FE01FE and 0xFE01FE01FE01FE01 - * 0x1FE01FE00EF10EF1 and 0xE01FE01FF10EF10E - * 0x1FFE1FFE0EFE0EFE and 0xFE1FFE1FFE0EFE0E - * 0xE0FEE0FEF1FEF1FE and 0xFEE0FEE0FEF1FEF1 - * - */ - -#define WEAK_KEY_COUNT 16 - -static const unsigned char weak_key_table[WEAK_KEY_COUNT][DES_KEY_SIZE] = -{ - { 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01, 0x01 }, - { 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE, 0xFE }, - { 0x1F, 0x1F, 0x1F, 0x1F, 0x0E, 0x0E, 0x0E, 0x0E }, - { 0xE0, 0xE0, 0xE0, 0xE0, 0xF1, 0xF1, 0xF1, 0xF1 }, - - { 0x01, 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E }, - { 0x1F, 0x01, 0x1F, 0x01, 0x0E, 0x01, 0x0E, 0x01 }, - { 0x01, 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1 }, - { 0xE0, 0x01, 0xE0, 0x01, 0xF1, 0x01, 0xF1, 0x01 }, - { 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE }, - { 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01, 0xFE, 0x01 }, - { 0x1F, 0xE0, 0x1F, 0xE0, 0x0E, 0xF1, 0x0E, 0xF1 }, - { 0xE0, 0x1F, 0xE0, 0x1F, 0xF1, 0x0E, 0xF1, 0x0E }, - { 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E, 0xFE }, - { 0xFE, 0x1F, 0xFE, 0x1F, 0xFE, 0x0E, 0xFE, 0x0E }, - { 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1, 0xFE }, - { 0xFE, 0xE0, 0xFE, 0xE0, 0xFE, 0xF1, 0xFE, 0xF1 } -}; - -int des_key_check_weak( const unsigned char key[DES_KEY_SIZE] ) -{ - int i; - - for( i = 0; i < WEAK_KEY_COUNT; i++ ) - if( memcmp( weak_key_table[i], key, DES_KEY_SIZE) == 0) - return( 1 ); - - return( 0 ); -} - -static void des_setkey( unsigned long SK[32], const unsigned char key[DES_KEY_SIZE] ) -{ - int i; - unsigned long X, Y, T; - - GET_ULONG_BE( X, key, 0 ); - GET_ULONG_BE( Y, key, 4 ); - - /* - * Permuted Choice 1 - */ - T = ((Y >> 4) ^ X) & 0x0F0F0F0F; X ^= T; Y ^= (T << 4); - T = ((Y ) ^ X) & 0x10101010; X ^= T; Y ^= (T ); - - X = (LHs[ (X ) & 0xF] << 3) | (LHs[ (X >> 8) & 0xF ] << 2) - | (LHs[ (X >> 16) & 0xF] << 1) | (LHs[ (X >> 24) & 0xF ] ) - | (LHs[ (X >> 5) & 0xF] << 7) | (LHs[ (X >> 13) & 0xF ] << 6) - | (LHs[ (X >> 21) & 0xF] << 5) | (LHs[ (X >> 29) & 0xF ] << 4); - - Y = (RHs[ (Y >> 1) & 0xF] << 3) | (RHs[ (Y >> 9) & 0xF ] << 2) - | (RHs[ (Y >> 17) & 0xF] << 1) | (RHs[ (Y >> 25) & 0xF ] ) - | (RHs[ (Y >> 4) & 0xF] << 7) | (RHs[ (Y >> 12) & 0xF ] << 6) - | (RHs[ (Y >> 20) & 0xF] << 5) | (RHs[ (Y >> 28) & 0xF ] << 4); - - X &= 0x0FFFFFFF; - Y &= 0x0FFFFFFF; - - /* - * calculate subkeys - */ - for( i = 0; i < 16; i++ ) - { - if( i < 2 || i == 8 || i == 15 ) - { - X = ((X << 1) | (X >> 27)) & 0x0FFFFFFF; - Y = ((Y << 1) | (Y >> 27)) & 0x0FFFFFFF; - } - else - { - X = ((X << 2) | (X >> 26)) & 0x0FFFFFFF; - Y = ((Y << 2) | (Y >> 26)) & 0x0FFFFFFF; - } - - *SK++ = ((X << 4) & 0x24000000) | ((X << 28) & 0x10000000) - | ((X << 14) & 0x08000000) | ((X << 18) & 0x02080000) - | ((X << 6) & 0x01000000) | ((X << 9) & 0x00200000) - | ((X >> 1) & 0x00100000) | ((X << 10) & 0x00040000) - | ((X << 2) & 0x00020000) | ((X >> 10) & 0x00010000) - | ((Y >> 13) & 0x00002000) | ((Y >> 4) & 0x00001000) - | ((Y << 6) & 0x00000800) | ((Y >> 1) & 0x00000400) - | ((Y >> 14) & 0x00000200) | ((Y ) & 0x00000100) - | ((Y >> 5) & 0x00000020) | ((Y >> 10) & 0x00000010) - | ((Y >> 3) & 0x00000008) | ((Y >> 18) & 0x00000004) - | ((Y >> 26) & 0x00000002) | ((Y >> 24) & 0x00000001); - - *SK++ = ((X << 15) & 0x20000000) | ((X << 17) & 0x10000000) - | ((X << 10) & 0x08000000) | ((X << 22) & 0x04000000) - | ((X >> 2) & 0x02000000) | ((X << 1) & 0x01000000) - | ((X << 16) & 0x00200000) | ((X << 11) & 0x00100000) - | ((X << 3) & 0x00080000) | ((X >> 6) & 0x00040000) - | ((X << 15) & 0x00020000) | ((X >> 4) & 0x00010000) - | ((Y >> 2) & 0x00002000) | ((Y << 8) & 0x00001000) - | ((Y >> 14) & 0x00000808) | ((Y >> 9) & 0x00000400) - | ((Y ) & 0x00000200) | ((Y << 7) & 0x00000100) - | ((Y >> 7) & 0x00000020) | ((Y >> 3) & 0x00000011) - | ((Y << 2) & 0x00000004) | ((Y >> 21) & 0x00000002); - } -} - -/* - * DES key schedule (56-bit, encryption) - */ -int des_setkey_enc( des_context *ctx, const unsigned char key[DES_KEY_SIZE] ) -{ - des_setkey( ctx->sk, key ); - - return( 0 ); -} - -/* - * DES key schedule (56-bit, decryption) - */ -int des_setkey_dec( des_context *ctx, const unsigned char key[DES_KEY_SIZE] ) -{ - int i; - - des_setkey( ctx->sk, key ); - - for( i = 0; i < 16; i += 2 ) - { - SWAP( ctx->sk[i ], ctx->sk[30 - i] ); - SWAP( ctx->sk[i + 1], ctx->sk[31 - i] ); - } - - return( 0 ); -} - -static void des3_set2key( unsigned long esk[96], - unsigned long dsk[96], - const unsigned char key[DES_KEY_SIZE*2] ) -{ - int i; - - des_setkey( esk, key ); - des_setkey( dsk + 32, key + 8 ); - - for( i = 0; i < 32; i += 2 ) - { - dsk[i ] = esk[30 - i]; - dsk[i + 1] = esk[31 - i]; - - esk[i + 32] = dsk[62 - i]; - esk[i + 33] = dsk[63 - i]; - - esk[i + 64] = esk[i ]; - esk[i + 65] = esk[i + 1]; - - dsk[i + 64] = dsk[i ]; - dsk[i + 65] = dsk[i + 1]; - } -} - -/* - * Triple-DES key schedule (112-bit, encryption) - */ -int des3_set2key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] ) -{ - unsigned long sk[96]; - - des3_set2key( ctx->sk, sk, key ); - memset( sk, 0, sizeof( sk ) ); - - return( 0 ); -} - -/* - * Triple-DES key schedule (112-bit, decryption) - */ -int des3_set2key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 2] ) -{ - unsigned long sk[96]; - - des3_set2key( sk, ctx->sk, key ); - memset( sk, 0, sizeof( sk ) ); - - return( 0 ); -} - -static void des3_set3key( unsigned long esk[96], - unsigned long dsk[96], - const unsigned char key[24] ) -{ - int i; - - des_setkey( esk, key ); - des_setkey( dsk + 32, key + 8 ); - des_setkey( esk + 64, key + 16 ); - - for( i = 0; i < 32; i += 2 ) - { - dsk[i ] = esk[94 - i]; - dsk[i + 1] = esk[95 - i]; - - esk[i + 32] = dsk[62 - i]; - esk[i + 33] = dsk[63 - i]; - - dsk[i + 64] = esk[30 - i]; - dsk[i + 65] = esk[31 - i]; - } -} - -/* - * Triple-DES key schedule (168-bit, encryption) - */ -int des3_set3key_enc( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] ) -{ - unsigned long sk[96]; - - des3_set3key( ctx->sk, sk, key ); - memset( sk, 0, sizeof( sk ) ); - - return( 0 ); -} - -/* - * Triple-DES key schedule (168-bit, decryption) - */ -int des3_set3key_dec( des3_context *ctx, const unsigned char key[DES_KEY_SIZE * 3] ) -{ - unsigned long sk[96]; - - des3_set3key( sk, ctx->sk, key ); - memset( sk, 0, sizeof( sk ) ); - - return( 0 ); -} - -/* - * DES-ECB block encryption/decryption - */ -int des_crypt_ecb( des_context *ctx, - const unsigned char input[8], - unsigned char output[8] ) -{ - int i; - unsigned long X, Y, T, *SK; - - SK = ctx->sk; - - GET_ULONG_BE( X, input, 0 ); - GET_ULONG_BE( Y, input, 4 ); - - DES_IP( X, Y ); - - for( i = 0; i < 8; i++ ) - { - DES_ROUND( Y, X ); - DES_ROUND( X, Y ); - } - - DES_FP( Y, X ); - - PUT_ULONG_BE( Y, output, 0 ); - PUT_ULONG_BE( X, output, 4 ); - - return( 0 ); -} - -/* - * DES-CBC buffer encryption/decryption - */ -int des_crypt_cbc( des_context *ctx, - int mode, - size_t length, - unsigned char iv[8], - const unsigned char *input, - unsigned char *output ) -{ - int i; - unsigned char temp[8]; - - if( length % 8 ) - return( POLARSSL_ERR_DES_INVALID_INPUT_LENGTH ); - - if( mode == DES_ENCRYPT ) - { - while( length > 0 ) - { - for( i = 0; i < 8; i++ ) - output[i] = (unsigned char)( input[i] ^ iv[i] ); - - des_crypt_ecb( ctx, output, output ); - memcpy( iv, output, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - else /* DES_DECRYPT */ - { - while( length > 0 ) - { - memcpy( temp, input, 8 ); - des_crypt_ecb( ctx, input, output ); - - for( i = 0; i < 8; i++ ) - output[i] = (unsigned char)( output[i] ^ iv[i] ); - - memcpy( iv, temp, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - - return( 0 ); -} - -/* - * 3DES-ECB block encryption/decryption - */ -int des3_crypt_ecb( des3_context *ctx, - const unsigned char input[8], - unsigned char output[8] ) -{ - int i; - unsigned long X, Y, T, *SK; - - SK = ctx->sk; - - GET_ULONG_BE( X, input, 0 ); - GET_ULONG_BE( Y, input, 4 ); - - DES_IP( X, Y ); - - for( i = 0; i < 8; i++ ) - { - DES_ROUND( Y, X ); - DES_ROUND( X, Y ); - } - - for( i = 0; i < 8; i++ ) - { - DES_ROUND( X, Y ); - DES_ROUND( Y, X ); - } - - for( i = 0; i < 8; i++ ) - { - DES_ROUND( Y, X ); - DES_ROUND( X, Y ); - } - - DES_FP( Y, X ); - - PUT_ULONG_BE( Y, output, 0 ); - PUT_ULONG_BE( X, output, 4 ); - - return( 0 ); -} - -/* - * 3DES-CBC buffer encryption/decryption - */ -int des3_crypt_cbc( des3_context *ctx, - int mode, - size_t length, - unsigned char iv[8], - const unsigned char *input, - unsigned char *output ) -{ - int i; - unsigned char temp[8]; - - if( length % 8 ) - return( POLARSSL_ERR_DES_INVALID_INPUT_LENGTH ); - - if( mode == DES_ENCRYPT ) - { - while( length > 0 ) - { - for( i = 0; i < 8; i++ ) - output[i] = (unsigned char)( input[i] ^ iv[i] ); - - des3_crypt_ecb( ctx, output, output ); - memcpy( iv, output, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - else /* DES_DECRYPT */ - { - while( length > 0 ) - { - memcpy( temp, input, 8 ); - des3_crypt_ecb( ctx, input, output ); - - for( i = 0; i < 8; i++ ) - output[i] = (unsigned char)( output[i] ^ iv[i] ); - - memcpy( iv, temp, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - - return( 0 ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include <stdio.h> - -/* - * DES and 3DES test vectors from: - * - * http://csrc.nist.gov/groups/STM/cavp/documents/des/tripledes-vectors.zip - */ -static const unsigned char des3_test_keys[24] = -{ - 0x01, 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, - 0x23, 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, - 0x45, 0x67, 0x89, 0xAB, 0xCD, 0xEF, 0x01, 0x23 -}; - -static const unsigned char des3_test_iv[8] = -{ - 0x12, 0x34, 0x56, 0x78, 0x90, 0xAB, 0xCD, 0xEF, -}; - -static const unsigned char des3_test_buf[8] = -{ - 0x4E, 0x6F, 0x77, 0x20, 0x69, 0x73, 0x20, 0x74 -}; - -static const unsigned char des3_test_ecb_dec[3][8] = -{ - { 0xCD, 0xD6, 0x4F, 0x2F, 0x94, 0x27, 0xC1, 0x5D }, - { 0x69, 0x96, 0xC8, 0xFA, 0x47, 0xA2, 0xAB, 0xEB }, - { 0x83, 0x25, 0x39, 0x76, 0x44, 0x09, 0x1A, 0x0A } -}; - -static const unsigned char des3_test_ecb_enc[3][8] = -{ - { 0x6A, 0x2A, 0x19, 0xF4, 0x1E, 0xCA, 0x85, 0x4B }, - { 0x03, 0xE6, 0x9F, 0x5B, 0xFA, 0x58, 0xEB, 0x42 }, - { 0xDD, 0x17, 0xE8, 0xB8, 0xB4, 0x37, 0xD2, 0x32 } -}; - -static const unsigned char des3_test_cbc_dec[3][8] = -{ - { 0x12, 0x9F, 0x40, 0xB9, 0xD2, 0x00, 0x56, 0xB3 }, - { 0x47, 0x0E, 0xFC, 0x9A, 0x6B, 0x8E, 0xE3, 0x93 }, - { 0xC5, 0xCE, 0xCF, 0x63, 0xEC, 0xEC, 0x51, 0x4C } -}; - -static const unsigned char des3_test_cbc_enc[3][8] = -{ - { 0x54, 0xF1, 0x5A, 0xF6, 0xEB, 0xE3, 0xA4, 0xB4 }, - { 0x35, 0x76, 0x11, 0x56, 0x5F, 0xA1, 0x8E, 0x4D }, - { 0xCB, 0x19, 0x1F, 0x85, 0xD1, 0xED, 0x84, 0x39 } -}; - -/* - * Checkup routine - */ -int des_self_test( int verbose ) -{ - int i, j, u, v; - des_context ctx; - des3_context ctx3; - unsigned char key[24]; - unsigned char buf[8]; - unsigned char prv[8]; - unsigned char iv[8]; - - memset( key, 0, 24 ); - - /* - * ECB mode - */ - for( i = 0; i < 6; i++ ) - { - u = i >> 1; - v = i & 1; - - if( verbose != 0 ) - printf( " DES%c-ECB-%3d (%s): ", - ( u == 0 ) ? ' ' : '3', 56 + u * 56, - ( v == DES_DECRYPT ) ? "dec" : "enc" ); - - memcpy( buf, des3_test_buf, 8 ); - - switch( i ) - { - case 0: - des_setkey_dec( &ctx, (unsigned char *) des3_test_keys ); - break; - - case 1: - des_setkey_enc( &ctx, (unsigned char *) des3_test_keys ); - break; - - case 2: - des3_set2key_dec( &ctx3, (unsigned char *) des3_test_keys ); - break; - - case 3: - des3_set2key_enc( &ctx3, (unsigned char *) des3_test_keys ); - break; - - case 4: - des3_set3key_dec( &ctx3, (unsigned char *) des3_test_keys ); - break; - - case 5: - des3_set3key_enc( &ctx3, (unsigned char *) des3_test_keys ); - break; - - default: - return( 1 ); - } - - for( j = 0; j < 10000; j++ ) - { - if( u == 0 ) - des_crypt_ecb( &ctx, buf, buf ); - else - des3_crypt_ecb( &ctx3, buf, buf ); - } - - if( ( v == DES_DECRYPT && - memcmp( buf, des3_test_ecb_dec[u], 8 ) != 0 ) || - ( v != DES_DECRYPT && - memcmp( buf, des3_test_ecb_enc[u], 8 ) != 0 ) ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - /* - * CBC mode - */ - for( i = 0; i < 6; i++ ) - { - u = i >> 1; - v = i & 1; - - if( verbose != 0 ) - printf( " DES%c-CBC-%3d (%s): ", - ( u == 0 ) ? ' ' : '3', 56 + u * 56, - ( v == DES_DECRYPT ) ? "dec" : "enc" ); - - memcpy( iv, des3_test_iv, 8 ); - memcpy( prv, des3_test_iv, 8 ); - memcpy( buf, des3_test_buf, 8 ); - - switch( i ) - { - case 0: - des_setkey_dec( &ctx, (unsigned char *) des3_test_keys ); - break; - - case 1: - des_setkey_enc( &ctx, (unsigned char *) des3_test_keys ); - break; - - case 2: - des3_set2key_dec( &ctx3, (unsigned char *) des3_test_keys ); - break; - - case 3: - des3_set2key_enc( &ctx3, (unsigned char *) des3_test_keys ); - break; - - case 4: - des3_set3key_dec( &ctx3, (unsigned char *) des3_test_keys ); - break; - - case 5: - des3_set3key_enc( &ctx3, (unsigned char *) des3_test_keys ); - break; - - default: - return( 1 ); - } - - if( v == DES_DECRYPT ) - { - for( j = 0; j < 10000; j++ ) - { - if( u == 0 ) - des_crypt_cbc( &ctx, v, 8, iv, buf, buf ); - else - des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf ); - } - } - else - { - for( j = 0; j < 10000; j++ ) - { - unsigned char tmp[8]; - - if( u == 0 ) - des_crypt_cbc( &ctx, v, 8, iv, buf, buf ); - else - des3_crypt_cbc( &ctx3, v, 8, iv, buf, buf ); - - memcpy( tmp, prv, 8 ); - memcpy( prv, buf, 8 ); - memcpy( buf, tmp, 8 ); - } - - memcpy( buf, prv, 8 ); - } - - if( ( v == DES_DECRYPT && - memcmp( buf, des3_test_cbc_dec[u], 8 ) != 0 ) || - ( v != DES_DECRYPT && - memcmp( buf, des3_test_cbc_enc[u], 8 ) != 0 ) ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/dhm.c b/polarssl/src/library/dhm.c deleted file mode 100644 index 4a59571..0000000 --- a/polarssl/src/library/dhm.c +++ /dev/null @@ -1,296 +0,0 @@ -/* - * Diffie-Hellman-Merkle key exchange - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * Reference: - * - * http://www.cacr.math.uwaterloo.ca/hac/ (chapter 12) - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_DHM_C) - -#include "polarssl/dhm.h" - -/* - * helper to validate the mpi size and import it - */ -static int dhm_read_bignum( mpi *X, - unsigned char **p, - const unsigned char *end ) -{ - int ret, n; - - if( end - *p < 2 ) - return( POLARSSL_ERR_DHM_BAD_INPUT_DATA ); - - n = ( (*p)[0] << 8 ) | (*p)[1]; - (*p) += 2; - - if( (int)( end - *p ) < n ) - return( POLARSSL_ERR_DHM_BAD_INPUT_DATA ); - - if( ( ret = mpi_read_binary( X, *p, n ) ) != 0 ) - return( POLARSSL_ERR_DHM_READ_PARAMS_FAILED + ret ); - - (*p) += n; - - return( 0 ); -} - -/* - * Verify sanity of parameter with regards to P - * - * Parameter should be: 2 <= public_param <= P - 2 - * - * For more information on the attack, see: - * http://www.cl.cam.ac.uk/~rja14/Papers/psandqs.pdf - * http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2005-2643 - */ -static int dhm_check_range( const mpi *param, const mpi *P ) -{ - mpi L, U; - int ret = POLARSSL_ERR_DHM_BAD_INPUT_DATA; - - mpi_init( &L ); mpi_init( &U ); - mpi_lset( &L, 2 ); - mpi_sub_int( &U, P, 2 ); - - if( mpi_cmp_mpi( param, &L ) >= 0 && - mpi_cmp_mpi( param, &U ) <= 0 ) - { - ret = 0; - } - - mpi_free( &L ); mpi_free( &U ); - - return( ret ); -} - -/* - * Parse the ServerKeyExchange parameters - */ -int dhm_read_params( dhm_context *ctx, - unsigned char **p, - const unsigned char *end ) -{ - int ret; - - memset( ctx, 0, sizeof( dhm_context ) ); - - if( ( ret = dhm_read_bignum( &ctx->P, p, end ) ) != 0 || - ( ret = dhm_read_bignum( &ctx->G, p, end ) ) != 0 || - ( ret = dhm_read_bignum( &ctx->GY, p, end ) ) != 0 ) - return( ret ); - - if( ( ret = dhm_check_range( &ctx->GY, &ctx->P ) ) != 0 ) - return( ret ); - - ctx->len = mpi_size( &ctx->P ); - - if( end - *p < 2 ) - return( POLARSSL_ERR_DHM_BAD_INPUT_DATA ); - - return( 0 ); -} - -/* - * Setup and write the ServerKeyExchange parameters - */ -int dhm_make_params( dhm_context *ctx, int x_size, - unsigned char *output, size_t *olen, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng ) -{ - int ret, count = 0; - size_t n1, n2, n3; - unsigned char *p; - - /* - * Generate X as large as possible ( < P ) - */ - do - { - mpi_fill_random( &ctx->X, x_size, f_rng, p_rng ); - - while( mpi_cmp_mpi( &ctx->X, &ctx->P ) >= 0 ) - mpi_shift_r( &ctx->X, 1 ); - - if( count++ > 10 ) - return( POLARSSL_ERR_DHM_MAKE_PARAMS_FAILED ); - } - while( dhm_check_range( &ctx->X, &ctx->P ) != 0 ); - - /* - * Calculate GX = G^X mod P - */ - MPI_CHK( mpi_exp_mod( &ctx->GX, &ctx->G, &ctx->X, - &ctx->P , &ctx->RP ) ); - - if( ( ret = dhm_check_range( &ctx->GX, &ctx->P ) ) != 0 ) - return( ret ); - - /* - * export P, G, GX - */ -#define DHM_MPI_EXPORT(X,n) \ - MPI_CHK( mpi_write_binary( X, p + 2, n ) ); \ - *p++ = (unsigned char)( n >> 8 ); \ - *p++ = (unsigned char)( n ); p += n; - - n1 = mpi_size( &ctx->P ); - n2 = mpi_size( &ctx->G ); - n3 = mpi_size( &ctx->GX ); - - p = output; - DHM_MPI_EXPORT( &ctx->P , n1 ); - DHM_MPI_EXPORT( &ctx->G , n2 ); - DHM_MPI_EXPORT( &ctx->GX, n3 ); - - *olen = p - output; - - ctx->len = n1; - -cleanup: - - if( ret != 0 ) - return( POLARSSL_ERR_DHM_MAKE_PARAMS_FAILED + ret ); - - return( 0 ); -} - -/* - * Import the peer's public value G^Y - */ -int dhm_read_public( dhm_context *ctx, - const unsigned char *input, size_t ilen ) -{ - int ret; - - if( ctx == NULL || ilen < 1 || ilen > ctx->len ) - return( POLARSSL_ERR_DHM_BAD_INPUT_DATA ); - - if( ( ret = mpi_read_binary( &ctx->GY, input, ilen ) ) != 0 ) - return( POLARSSL_ERR_DHM_READ_PUBLIC_FAILED + ret ); - - return( 0 ); -} - -/* - * Create own private value X and export G^X - */ -int dhm_make_public( dhm_context *ctx, int x_size, - unsigned char *output, size_t olen, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng ) -{ - int ret, count = 0; - - if( ctx == NULL || olen < 1 || olen > ctx->len ) - return( POLARSSL_ERR_DHM_BAD_INPUT_DATA ); - - /* - * generate X and calculate GX = G^X mod P - */ - do - { - mpi_fill_random( &ctx->X, x_size, f_rng, p_rng ); - - while( mpi_cmp_mpi( &ctx->X, &ctx->P ) >= 0 ) - mpi_shift_r( &ctx->X, 1 ); - - if( count++ > 10 ) - return( POLARSSL_ERR_DHM_MAKE_PUBLIC_FAILED ); - } - while( dhm_check_range( &ctx->X, &ctx->P ) != 0 ); - - MPI_CHK( mpi_exp_mod( &ctx->GX, &ctx->G, &ctx->X, - &ctx->P , &ctx->RP ) ); - - if( ( ret = dhm_check_range( &ctx->GX, &ctx->P ) ) != 0 ) - return( ret ); - - MPI_CHK( mpi_write_binary( &ctx->GX, output, olen ) ); - -cleanup: - - if( ret != 0 ) - return( POLARSSL_ERR_DHM_MAKE_PUBLIC_FAILED + ret ); - - return( 0 ); -} - -/* - * Derive and export the shared secret (G^Y)^X mod P - */ -int dhm_calc_secret( dhm_context *ctx, - unsigned char *output, size_t *olen ) -{ - int ret; - - if( ctx == NULL || *olen < ctx->len ) - return( POLARSSL_ERR_DHM_BAD_INPUT_DATA ); - - MPI_CHK( mpi_exp_mod( &ctx->K, &ctx->GY, &ctx->X, - &ctx->P, &ctx->RP ) ); - - if( ( ret = dhm_check_range( &ctx->GY, &ctx->P ) ) != 0 ) - return( ret ); - - *olen = mpi_size( &ctx->K ); - - MPI_CHK( mpi_write_binary( &ctx->K, output, *olen ) ); - -cleanup: - - if( ret != 0 ) - return( POLARSSL_ERR_DHM_CALC_SECRET_FAILED + ret ); - - return( 0 ); -} - -/* - * Free the components of a DHM key - */ -void dhm_free( dhm_context *ctx ) -{ - mpi_free( &ctx->RP ); mpi_free( &ctx->K ); mpi_free( &ctx->GY ); - mpi_free( &ctx->GX ); mpi_free( &ctx->X ); mpi_free( &ctx->G ); - mpi_free( &ctx->P ); -} - -#if defined(POLARSSL_SELF_TEST) - -/* - * Checkup routine - */ -int dhm_self_test( int verbose ) -{ - return( verbose++ ); -} - -#endif - -#endif diff --git a/polarssl/src/library/entropy.c b/polarssl/src/library/entropy.c deleted file mode 100644 index 9662454..0000000 --- a/polarssl/src/library/entropy.c +++ /dev/null @@ -1,204 +0,0 @@ -/* - * Entropy accumulator implementation - * - * Copyright (C) 2006-2011, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_ENTROPY_C) - -#include "polarssl/entropy.h" -#include "polarssl/entropy_poll.h" - -#if defined(POLARSSL_HAVEGE_C) -#include "polarssl/havege.h" -#endif - -#define ENTROPY_MAX_LOOP 256 /**< Maximum amount to loop before error */ - -void entropy_init( entropy_context *ctx ) -{ - memset( ctx, 0, sizeof(entropy_context) ); - - sha4_starts( &ctx->accumulator, 0 ); -#if defined(POLARSSL_HAVEGE_C) - havege_init( &ctx->havege_data ); -#endif - -#if !defined(POLARSSL_NO_DEFAULT_ENTROPY_SOURCES) -#if !defined(POLARSSL_NO_PLATFORM_ENTROPY) - entropy_add_source( ctx, platform_entropy_poll, NULL, - ENTROPY_MIN_PLATFORM ); -#endif -#if defined(POLARSSL_TIMING_C) - entropy_add_source( ctx, hardclock_poll, NULL, ENTROPY_MIN_HARDCLOCK ); -#endif -#if defined(POLARSSL_HAVEGE_C) - entropy_add_source( ctx, havege_poll, &ctx->havege_data, - ENTROPY_MIN_HAVEGE ); -#endif -#endif /* POLARSSL_NO_DEFAULT_ENTROPY_SOURCES */ -} - -int entropy_add_source( entropy_context *ctx, - f_source_ptr f_source, void *p_source, - size_t threshold ) -{ - int index = ctx->source_count; - - if( index >= ENTROPY_MAX_SOURCES ) - return( POLARSSL_ERR_ENTROPY_MAX_SOURCES ); - - ctx->source[index].f_source = f_source; - ctx->source[index].p_source = p_source; - ctx->source[index].threshold = threshold; - - ctx->source_count++; - - return( 0 ); -} - -/* - * Entropy accumulator update - */ -int entropy_update( entropy_context *ctx, unsigned char source_id, - const unsigned char *data, size_t len ) -{ - unsigned char header[2]; - unsigned char tmp[ENTROPY_BLOCK_SIZE]; - size_t use_len = len; - const unsigned char *p = data; - - if( use_len > ENTROPY_BLOCK_SIZE ) - { - sha4( data, len, tmp, 0 ); - - p = tmp; - use_len = ENTROPY_BLOCK_SIZE; - } - - header[0] = source_id; - header[1] = use_len & 0xFF; - - sha4_update( &ctx->accumulator, header, 2 ); - sha4_update( &ctx->accumulator, p, use_len ); - - return( 0 ); -} - -int entropy_update_manual( entropy_context *ctx, - const unsigned char *data, size_t len ) -{ - return entropy_update( ctx, ENTROPY_SOURCE_MANUAL, data, len ); -} - -/* - * Run through the different sources to add entropy to our accumulator - */ -int entropy_gather( entropy_context *ctx ) -{ - int ret, i; - unsigned char buf[ENTROPY_MAX_GATHER]; - size_t olen; - - if( ctx->source_count == 0 ) - return( POLARSSL_ERR_ENTROPY_NO_SOURCES_DEFINED ); - - /* - * Run through our entropy sources - */ - for( i = 0; i < ctx->source_count; i++ ) - { - olen = 0; - if ( ( ret = ctx->source[i].f_source( ctx->source[i].p_source, - buf, ENTROPY_MAX_GATHER, &olen ) ) != 0 ) - { - return( ret ); - } - - /* - * Add if we actually gathered something - */ - if( olen > 0 ) - { - entropy_update( ctx, (unsigned char) i, buf, olen ); - ctx->source[i].size += olen; - } - } - - return( 0 ); -} - -int entropy_func( void *data, unsigned char *output, size_t len ) -{ - int ret, count = 0, i, reached; - entropy_context *ctx = (entropy_context *) data; - unsigned char buf[ENTROPY_BLOCK_SIZE]; - - if( len > ENTROPY_BLOCK_SIZE ) - return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED ); - - /* - * Always gather extra entropy before a call - */ - do - { - if( count++ > ENTROPY_MAX_LOOP ) - return( POLARSSL_ERR_ENTROPY_SOURCE_FAILED ); - - if( ( ret = entropy_gather( ctx ) ) != 0 ) - return( ret ); - - reached = 0; - - for( i = 0; i < ctx->source_count; i++ ) - if( ctx->source[i].size >= ctx->source[i].threshold ) - reached++; - } - while( reached != ctx->source_count ); - - memset( buf, 0, ENTROPY_BLOCK_SIZE ); - - sha4_finish( &ctx->accumulator, buf ); - - /* - * Perform second SHA-512 on entropy - */ - sha4( buf, ENTROPY_BLOCK_SIZE, buf, 0 ); - - /* - * Reset accumulator and counters and recycle existing entropy - */ - memset( &ctx->accumulator, 0, sizeof( sha4_context ) ); - sha4_starts( &ctx->accumulator, 0 ); - sha4_update( &ctx->accumulator, buf, ENTROPY_BLOCK_SIZE ); - - for( i = 0; i < ctx->source_count; i++ ) - ctx->source[i].size = 0; - - memcpy( output, buf, len ); - - return( 0 ); -} - -#endif diff --git a/polarssl/src/library/entropy_poll.c b/polarssl/src/library/entropy_poll.c deleted file mode 100644 index a0c9b7b..0000000 --- a/polarssl/src/library/entropy_poll.c +++ /dev/null @@ -1,136 +0,0 @@ -/* - * Platform-specific and custom entropy polling functions - * - * Copyright (C) 2006-2011, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_ENTROPY_C) - -#include "polarssl/entropy.h" -#include "polarssl/entropy_poll.h" - -#if defined(POLARSSL_TIMING_C) -#include "polarssl/timing.h" -#endif -#if defined(POLARSSL_HAVEGE_C) -#include "polarssl/havege.h" -#endif - -#if !defined(POLARSSL_NO_PLATFORM_ENTROPY) -#if defined(_WIN32) - -#include <windows.h> -#if !defined(_WIN32_WINNT) -#define _WIN32_WINNT 0x0400 -#endif -#include <wincrypt.h> - -int platform_entropy_poll( void *data, unsigned char *output, size_t len, - size_t *olen ) -{ - HCRYPTPROV provider; - ((void) data); - *olen = 0; - - if( CryptAcquireContext( &provider, NULL, NULL, - PROV_RSA_FULL, CRYPT_VERIFYCONTEXT ) == FALSE ) - { - return POLARSSL_ERR_ENTROPY_SOURCE_FAILED; - } - - if( CryptGenRandom( provider, len, output ) == FALSE ) - return POLARSSL_ERR_ENTROPY_SOURCE_FAILED; - - CryptReleaseContext( provider, 0 ); - *olen = len; - - return( 0 ); -} -#else - -#include <stdio.h> - -int platform_entropy_poll( void *data, - unsigned char *output, size_t len, size_t *olen ) -{ - FILE *file; - size_t ret; - ((void) data); - - *olen = 0; - - file = fopen( "/dev/urandom", "rb" ); - if( file == NULL ) - return POLARSSL_ERR_ENTROPY_SOURCE_FAILED; - - ret = fread( output, 1, len, file ); - if( ret != len ) - { - fclose( file ); - return POLARSSL_ERR_ENTROPY_SOURCE_FAILED; - } - - fclose( file ); - *olen = len; - - return( 0 ); -} -#endif -#endif - -#if defined(POLARSSL_TIMING_C) -int hardclock_poll( void *data, - unsigned char *output, size_t len, size_t *olen ) -{ - unsigned long timer = hardclock(); - ((void) data); - *olen = 0; - - if( len < sizeof(unsigned long) ) - return( 0 ); - - memcpy( output, &timer, sizeof(unsigned long) ); - *olen = sizeof(unsigned long); - - return( 0 ); -} -#endif - -#if defined(POLARSSL_HAVEGE_C) -int havege_poll( void *data, - unsigned char *output, size_t len, size_t *olen ) -{ - havege_state *hs = (havege_state *) data; - *olen = 0; - - if( havege_random( hs, output, len ) != 0 ) - return POLARSSL_ERR_ENTROPY_SOURCE_FAILED; - - *olen = len; - - return( 0 ); -} -#endif - -#endif /* POLARSSL_ENTROPY_C */ diff --git a/polarssl/src/library/error.c b/polarssl/src/library/error.c deleted file mode 100644 index 61ff9c7..0000000 --- a/polarssl/src/library/error.c +++ /dev/null @@ -1,525 +0,0 @@ -/* - * Error message information - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_ERROR_C) - -#if defined(POLARSSL_AES_C) -#include "polarssl/aes.h" -#endif - -#if defined(POLARSSL_BASE64_C) -#include "polarssl/base64.h" -#endif - -#if defined(POLARSSL_BIGNUM_C) -#include "polarssl/bignum.h" -#endif - -#if defined(POLARSSL_CAMELLIA_C) -#include "polarssl/camellia.h" -#endif - -#if defined(POLARSSL_CIPHER_C) -#include "polarssl/cipher.h" -#endif - -#if defined(POLARSSL_CTR_DRBG_C) -#include "polarssl/ctr_drbg.h" -#endif - -#if defined(POLARSSL_DES_C) -#include "polarssl/des.h" -#endif - -#if defined(POLARSSL_DHM_C) -#include "polarssl/dhm.h" -#endif - -#if defined(POLARSSL_ENTROPY_C) -#include "polarssl/entropy.h" -#endif - -#if defined(POLARSSL_GCM_C) -#include "polarssl/gcm.h" -#endif - -#if defined(POLARSSL_MD_C) -#include "polarssl/md.h" -#endif - -#if defined(POLARSSL_MD2_C) -#include "polarssl/md2.h" -#endif - -#if defined(POLARSSL_MD4_C) -#include "polarssl/md4.h" -#endif - -#if defined(POLARSSL_MD5_C) -#include "polarssl/md5.h" -#endif - -#if defined(POLARSSL_NET_C) -#include "polarssl/net.h" -#endif - -#if defined(POLARSSL_PADLOCK_C) -#include "polarssl/padlock.h" -#endif - -#if defined(POLARSSL_PEM_C) -#include "polarssl/pem.h" -#endif - -#if defined(POLARSSL_RSA_C) -#include "polarssl/rsa.h" -#endif - -#if defined(POLARSSL_SHA1_C) -#include "polarssl/sha1.h" -#endif - -#if defined(POLARSSL_SHA2_C) -#include "polarssl/sha2.h" -#endif - -#if defined(POLARSSL_SHA4_C) -#include "polarssl/sha4.h" -#endif - -#if defined(POLARSSL_SSL_TLS_C) -#include "polarssl/ssl.h" -#endif - -#if defined(POLARSSL_X509_PARSE_C) -#include "polarssl/x509.h" -#endif - -#if defined(POLARSSL_XTEA_C) -#include "polarssl/xtea.h" -#endif - - -#include <string.h> - -#if defined _MSC_VER && !defined snprintf -#define snprintf _snprintf -#endif - -void error_strerror( int ret, char *buf, size_t buflen ) -{ - size_t len; - int use_ret; - - memset( buf, 0x00, buflen ); - - if( ret < 0 ) - ret = -ret; - - if( ret & 0xFF80 ) - { - use_ret = ret & 0xFF80; - - // High level error codes - // -#if defined(POLARSSL_CIPHER_C) - if( use_ret == -(POLARSSL_ERR_CIPHER_FEATURE_UNAVAILABLE) ) - snprintf( buf, buflen, "CIPHER - The selected feature is not available" ); - if( use_ret == -(POLARSSL_ERR_CIPHER_BAD_INPUT_DATA) ) - snprintf( buf, buflen, "CIPHER - Bad input parameters to function" ); - if( use_ret == -(POLARSSL_ERR_CIPHER_ALLOC_FAILED) ) - snprintf( buf, buflen, "CIPHER - Failed to allocate memory" ); - if( use_ret == -(POLARSSL_ERR_CIPHER_INVALID_PADDING) ) - snprintf( buf, buflen, "CIPHER - Input data contains invalid padding and is rejected" ); - if( use_ret == -(POLARSSL_ERR_CIPHER_FULL_BLOCK_EXPECTED) ) - snprintf( buf, buflen, "CIPHER - Decryption of block requires a full block" ); -#endif /* POLARSSL_CIPHER_C */ - -#if defined(POLARSSL_DHM_C) - if( use_ret == -(POLARSSL_ERR_DHM_BAD_INPUT_DATA) ) - snprintf( buf, buflen, "DHM - Bad input parameters to function" ); - if( use_ret == -(POLARSSL_ERR_DHM_READ_PARAMS_FAILED) ) - snprintf( buf, buflen, "DHM - Reading of the DHM parameters failed" ); - if( use_ret == -(POLARSSL_ERR_DHM_MAKE_PARAMS_FAILED) ) - snprintf( buf, buflen, "DHM - Making of the DHM parameters failed" ); - if( use_ret == -(POLARSSL_ERR_DHM_READ_PUBLIC_FAILED) ) - snprintf( buf, buflen, "DHM - Reading of the public values failed" ); - if( use_ret == -(POLARSSL_ERR_DHM_MAKE_PUBLIC_FAILED) ) - snprintf( buf, buflen, "DHM - Makeing of the public value failed" ); - if( use_ret == -(POLARSSL_ERR_DHM_CALC_SECRET_FAILED) ) - snprintf( buf, buflen, "DHM - Calculation of the DHM secret failed" ); -#endif /* POLARSSL_DHM_C */ - -#if defined(POLARSSL_MD_C) - if( use_ret == -(POLARSSL_ERR_MD_FEATURE_UNAVAILABLE) ) - snprintf( buf, buflen, "MD - The selected feature is not available" ); - if( use_ret == -(POLARSSL_ERR_MD_BAD_INPUT_DATA) ) - snprintf( buf, buflen, "MD - Bad input parameters to function" ); - if( use_ret == -(POLARSSL_ERR_MD_ALLOC_FAILED) ) - snprintf( buf, buflen, "MD - Failed to allocate memory" ); - if( use_ret == -(POLARSSL_ERR_MD_FILE_IO_ERROR) ) - snprintf( buf, buflen, "MD - Opening or reading of file failed" ); -#endif /* POLARSSL_MD_C */ - -#if defined(POLARSSL_PEM_C) - if( use_ret == -(POLARSSL_ERR_PEM_NO_HEADER_PRESENT) ) - snprintf( buf, buflen, "PEM - No PEM header found" ); - if( use_ret == -(POLARSSL_ERR_PEM_INVALID_DATA) ) - snprintf( buf, buflen, "PEM - PEM string is not as expected" ); - if( use_ret == -(POLARSSL_ERR_PEM_MALLOC_FAILED) ) - snprintf( buf, buflen, "PEM - Failed to allocate memory" ); - if( use_ret == -(POLARSSL_ERR_PEM_INVALID_ENC_IV) ) - snprintf( buf, buflen, "PEM - RSA IV is not in hex-format" ); - if( use_ret == -(POLARSSL_ERR_PEM_UNKNOWN_ENC_ALG) ) - snprintf( buf, buflen, "PEM - Unsupported key encryption algorithm" ); - if( use_ret == -(POLARSSL_ERR_PEM_PASSWORD_REQUIRED) ) - snprintf( buf, buflen, "PEM - Private key password can't be empty" ); - if( use_ret == -(POLARSSL_ERR_PEM_PASSWORD_MISMATCH) ) - snprintf( buf, buflen, "PEM - Given private key password does not allow for correct decryption" ); - if( use_ret == -(POLARSSL_ERR_PEM_FEATURE_UNAVAILABLE) ) - snprintf( buf, buflen, "PEM - Unavailable feature, e.g. hashing/encryption combination" ); -#endif /* POLARSSL_PEM_C */ - -#if defined(POLARSSL_RSA_C) - if( use_ret == -(POLARSSL_ERR_RSA_BAD_INPUT_DATA) ) - snprintf( buf, buflen, "RSA - Bad input parameters to function" ); - if( use_ret == -(POLARSSL_ERR_RSA_INVALID_PADDING) ) - snprintf( buf, buflen, "RSA - Input data contains invalid padding and is rejected" ); - if( use_ret == -(POLARSSL_ERR_RSA_KEY_GEN_FAILED) ) - snprintf( buf, buflen, "RSA - Something failed during generation of a key" ); - if( use_ret == -(POLARSSL_ERR_RSA_KEY_CHECK_FAILED) ) - snprintf( buf, buflen, "RSA - Key failed to pass the libraries validity check" ); - if( use_ret == -(POLARSSL_ERR_RSA_PUBLIC_FAILED) ) - snprintf( buf, buflen, "RSA - The public key operation failed" ); - if( use_ret == -(POLARSSL_ERR_RSA_PRIVATE_FAILED) ) - snprintf( buf, buflen, "RSA - The private key operation failed" ); - if( use_ret == -(POLARSSL_ERR_RSA_VERIFY_FAILED) ) - snprintf( buf, buflen, "RSA - The PKCS#1 verification failed" ); - if( use_ret == -(POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE) ) - snprintf( buf, buflen, "RSA - The output buffer for decryption is not large enough" ); - if( use_ret == -(POLARSSL_ERR_RSA_RNG_FAILED) ) - snprintf( buf, buflen, "RSA - The random generator failed to generate non-zeros" ); -#endif /* POLARSSL_RSA_C */ - -#if defined(POLARSSL_SSL_TLS_C) - if( use_ret == -(POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE) ) - snprintf( buf, buflen, "SSL - The requested feature is not available" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_INPUT_DATA) ) - snprintf( buf, buflen, "SSL - Bad input parameters to function" ); - if( use_ret == -(POLARSSL_ERR_SSL_INVALID_MAC) ) - snprintf( buf, buflen, "SSL - Verification of the message MAC failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_INVALID_RECORD) ) - snprintf( buf, buflen, "SSL - An invalid SSL record was received" ); - if( use_ret == -(POLARSSL_ERR_SSL_CONN_EOF) ) - snprintf( buf, buflen, "SSL - The connection indicated an EOF" ); - if( use_ret == -(POLARSSL_ERR_SSL_UNKNOWN_CIPHER) ) - snprintf( buf, buflen, "SSL - An unknown cipher was received" ); - if( use_ret == -(POLARSSL_ERR_SSL_NO_CIPHER_CHOSEN) ) - snprintf( buf, buflen, "SSL - The server has no ciphersuites in common with the client" ); - if( use_ret == -(POLARSSL_ERR_SSL_NO_SESSION_FOUND) ) - snprintf( buf, buflen, "SSL - No session to recover was found" ); - if( use_ret == -(POLARSSL_ERR_SSL_NO_CLIENT_CERTIFICATE) ) - snprintf( buf, buflen, "SSL - No client certification received from the client, but required by the authentication mode" ); - if( use_ret == -(POLARSSL_ERR_SSL_CERTIFICATE_TOO_LARGE) ) - snprintf( buf, buflen, "SSL - DESCRIPTION MISSING" ); - if( use_ret == -(POLARSSL_ERR_SSL_CERTIFICATE_REQUIRED) ) - snprintf( buf, buflen, "SSL - The own certificate is not set, but needed by the server" ); - if( use_ret == -(POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED) ) - snprintf( buf, buflen, "SSL - The own private key is not set, but needed" ); - if( use_ret == -(POLARSSL_ERR_SSL_CA_CHAIN_REQUIRED) ) - snprintf( buf, buflen, "SSL - No CA Chain is set, but required to operate" ); - if( use_ret == -(POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE) ) - snprintf( buf, buflen, "SSL - An unexpected message was received from our peer" ); - if( use_ret == -(POLARSSL_ERR_SSL_FATAL_ALERT_MESSAGE) ) - snprintf( buf, buflen, "SSL - A fatal alert message was received from our peer" ); - if( use_ret == -(POLARSSL_ERR_SSL_PEER_VERIFY_FAILED) ) - snprintf( buf, buflen, "SSL - Verification of our peer failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY) ) - snprintf( buf, buflen, "SSL - The peer notified us that the connection is going to be closed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO) ) - snprintf( buf, buflen, "SSL - Processing of the ClientHello handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO) ) - snprintf( buf, buflen, "SSL - Processing of the ServerHello handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE) ) - snprintf( buf, buflen, "SSL - Processing of the Certificate handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_REQUEST) ) - snprintf( buf, buflen, "SSL - Processing of the CertificateRequest handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE) ) - snprintf( buf, buflen, "SSL - Processing of the ServerKeyExchange handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO_DONE) ) - snprintf( buf, buflen, "SSL - Processing of the ServerHelloDone handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE) ) - snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_DHM_RP) ) - snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM Read Public" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_DHM_CS) ) - snprintf( buf, buflen, "SSL - Processing of the ClientKeyExchange handshake message failed in DHM Calculate Secret" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY) ) - snprintf( buf, buflen, "SSL - Processing of the CertificateVerify handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC) ) - snprintf( buf, buflen, "SSL - Processing of the ChangeCipherSpec handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_BAD_HS_FINISHED) ) - snprintf( buf, buflen, "SSL - Processing of the Finished handshake message failed" ); - if( use_ret == -(POLARSSL_ERR_SSL_MALLOC_FAILED) ) - snprintf( buf, buflen, "SSL - Memory allocation failed" ); -#endif /* POLARSSL_SSL_TLS_C */ - -#if defined(POLARSSL_X509_PARSE_C) - if( use_ret == -(POLARSSL_ERR_X509_FEATURE_UNAVAILABLE) ) - snprintf( buf, buflen, "X509 - Unavailable feature, e.g. RSA hashing/encryption combination" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_PEM) ) - snprintf( buf, buflen, "X509 - The PEM-encoded certificate contains invalid elements, e.g. invalid character" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_FORMAT) ) - snprintf( buf, buflen, "X509 - The certificate format is invalid, e.g. different type expected" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_VERSION) ) - snprintf( buf, buflen, "X509 - The certificate version element is invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_SERIAL) ) - snprintf( buf, buflen, "X509 - The serial tag or value is invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_ALG) ) - snprintf( buf, buflen, "X509 - The algorithm tag or value is invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_NAME) ) - snprintf( buf, buflen, "X509 - The name tag or value is invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_DATE) ) - snprintf( buf, buflen, "X509 - The date tag or value is invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_PUBKEY) ) - snprintf( buf, buflen, "X509 - The pubkey tag or value is invalid (only RSA is supported)" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_SIGNATURE) ) - snprintf( buf, buflen, "X509 - The signature tag or value invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS) ) - snprintf( buf, buflen, "X509 - The extension tag or value is invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_UNKNOWN_VERSION) ) - snprintf( buf, buflen, "X509 - Certificate or CRL has an unsupported version number" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_UNKNOWN_SIG_ALG) ) - snprintf( buf, buflen, "X509 - Signature algorithm (oid) is unsupported" ); - if( use_ret == -(POLARSSL_ERR_X509_UNKNOWN_PK_ALG) ) - snprintf( buf, buflen, "X509 - Key algorithm is unsupported (only RSA is supported)" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_SIG_MISMATCH) ) - snprintf( buf, buflen, "X509 - Certificate signature algorithms do not match. (see \\c ::x509_cert sig_oid)" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_VERIFY_FAILED) ) - snprintf( buf, buflen, "X509 - Certificate verification failed, e.g. CRL, CA or signature check failed" ); - if( use_ret == -(POLARSSL_ERR_X509_KEY_INVALID_VERSION) ) - snprintf( buf, buflen, "X509 - Unsupported RSA key version" ); - if( use_ret == -(POLARSSL_ERR_X509_KEY_INVALID_FORMAT) ) - snprintf( buf, buflen, "X509 - Invalid RSA key tag or value" ); - if( use_ret == -(POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT) ) - snprintf( buf, buflen, "X509 - Format not recognized as DER or PEM" ); - if( use_ret == -(POLARSSL_ERR_X509_INVALID_INPUT) ) - snprintf( buf, buflen, "X509 - Input invalid" ); - if( use_ret == -(POLARSSL_ERR_X509_MALLOC_FAILED) ) - snprintf( buf, buflen, "X509 - Allocation of memory failed" ); - if( use_ret == -(POLARSSL_ERR_X509_FILE_IO_ERROR) ) - snprintf( buf, buflen, "X509 - Read/write of file failed" ); -#endif /* POLARSSL_X509_PARSE_C */ - - if( strlen( buf ) == 0 ) - snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); - } - - use_ret = ret & ~0xFF80; - - if( use_ret == 0 ) - return; - - // If high level code is present, make a concatenation between both - // error strings. - // - len = strlen( buf ); - - if( len > 0 ) - { - if( buflen - len < 5 ) - return; - - snprintf( buf + len, buflen - len, " : " ); - - buf += len + 3; - buflen -= len + 3; - } - - // Low level error codes - // -#if defined(POLARSSL_AES_C) - if( use_ret == -(POLARSSL_ERR_AES_INVALID_KEY_LENGTH) ) - snprintf( buf, buflen, "AES - Invalid key length" ); - if( use_ret == -(POLARSSL_ERR_AES_INVALID_INPUT_LENGTH) ) - snprintf( buf, buflen, "AES - Invalid data input length" ); -#endif /* POLARSSL_AES_C */ - -#if defined(POLARSSL_ASN1_PARSE_C) - if( use_ret == -(POLARSSL_ERR_ASN1_OUT_OF_DATA) ) - snprintf( buf, buflen, "ASN1 - Out of data when parsing an ASN1 data structure" ); - if( use_ret == -(POLARSSL_ERR_ASN1_UNEXPECTED_TAG) ) - snprintf( buf, buflen, "ASN1 - ASN1 tag was of an unexpected value" ); - if( use_ret == -(POLARSSL_ERR_ASN1_INVALID_LENGTH) ) - snprintf( buf, buflen, "ASN1 - Error when trying to determine the length or invalid length" ); - if( use_ret == -(POLARSSL_ERR_ASN1_LENGTH_MISMATCH) ) - snprintf( buf, buflen, "ASN1 - Actual length differs from expected length" ); - if( use_ret == -(POLARSSL_ERR_ASN1_INVALID_DATA) ) - snprintf( buf, buflen, "ASN1 - Data is invalid. (not used)" ); - if( use_ret == -(POLARSSL_ERR_ASN1_MALLOC_FAILED) ) - snprintf( buf, buflen, "ASN1 - Memory allocation failed" ); - if( use_ret == -(POLARSSL_ERR_ASN1_BUF_TOO_SMALL) ) - snprintf( buf, buflen, "ASN1 - Buffer too small when writing ASN.1 data structure" ); -#endif /* POLARSSL_ASN1_PARSE_C */ - -#if defined(POLARSSL_BASE64_C) - if( use_ret == -(POLARSSL_ERR_BASE64_BUFFER_TOO_SMALL) ) - snprintf( buf, buflen, "BASE64 - Output buffer too small" ); - if( use_ret == -(POLARSSL_ERR_BASE64_INVALID_CHARACTER) ) - snprintf( buf, buflen, "BASE64 - Invalid character in input" ); -#endif /* POLARSSL_BASE64_C */ - -#if defined(POLARSSL_BIGNUM_C) - if( use_ret == -(POLARSSL_ERR_MPI_FILE_IO_ERROR) ) - snprintf( buf, buflen, "BIGNUM - An error occurred while reading from or writing to a file" ); - if( use_ret == -(POLARSSL_ERR_MPI_BAD_INPUT_DATA) ) - snprintf( buf, buflen, "BIGNUM - Bad input parameters to function" ); - if( use_ret == -(POLARSSL_ERR_MPI_INVALID_CHARACTER) ) - snprintf( buf, buflen, "BIGNUM - There is an invalid character in the digit string" ); - if( use_ret == -(POLARSSL_ERR_MPI_BUFFER_TOO_SMALL) ) - snprintf( buf, buflen, "BIGNUM - The buffer is too small to write to" ); - if( use_ret == -(POLARSSL_ERR_MPI_NEGATIVE_VALUE) ) - snprintf( buf, buflen, "BIGNUM - The input arguments are negative or result in illegal output" ); - if( use_ret == -(POLARSSL_ERR_MPI_DIVISION_BY_ZERO) ) - snprintf( buf, buflen, "BIGNUM - The input argument for division is zero, which is not allowed" ); - if( use_ret == -(POLARSSL_ERR_MPI_NOT_ACCEPTABLE) ) - snprintf( buf, buflen, "BIGNUM - The input arguments are not acceptable" ); - if( use_ret == -(POLARSSL_ERR_MPI_MALLOC_FAILED) ) - snprintf( buf, buflen, "BIGNUM - Memory allocation failed" ); -#endif /* POLARSSL_BIGNUM_C */ - -#if defined(POLARSSL_CAMELLIA_C) - if( use_ret == -(POLARSSL_ERR_CAMELLIA_INVALID_KEY_LENGTH) ) - snprintf( buf, buflen, "CAMELLIA - Invalid key length" ); - if( use_ret == -(POLARSSL_ERR_CAMELLIA_INVALID_INPUT_LENGTH) ) - snprintf( buf, buflen, "CAMELLIA - Invalid data input length" ); -#endif /* POLARSSL_CAMELLIA_C */ - -#if defined(POLARSSL_CTR_DRBG_C) - if( use_ret == -(POLARSSL_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED) ) - snprintf( buf, buflen, "CTR_DRBG - The entropy source failed" ); - if( use_ret == -(POLARSSL_ERR_CTR_DRBG_REQUEST_TOO_BIG) ) - snprintf( buf, buflen, "CTR_DRBG - Too many random requested in single call" ); - if( use_ret == -(POLARSSL_ERR_CTR_DRBG_INPUT_TOO_BIG) ) - snprintf( buf, buflen, "CTR_DRBG - Input too large (Entropy + additional)" ); - if( use_ret == -(POLARSSL_ERR_CTR_DRBG_FILE_IO_ERROR) ) - snprintf( buf, buflen, "CTR_DRBG - Read/write error in file" ); -#endif /* POLARSSL_CTR_DRBG_C */ - -#if defined(POLARSSL_DES_C) - if( use_ret == -(POLARSSL_ERR_DES_INVALID_INPUT_LENGTH) ) - snprintf( buf, buflen, "DES - The data input has an invalid length" ); -#endif /* POLARSSL_DES_C */ - -#if defined(POLARSSL_ENTROPY_C) - if( use_ret == -(POLARSSL_ERR_ENTROPY_SOURCE_FAILED) ) - snprintf( buf, buflen, "ENTROPY - Critical entropy source failure" ); - if( use_ret == -(POLARSSL_ERR_ENTROPY_MAX_SOURCES) ) - snprintf( buf, buflen, "ENTROPY - No more sources can be added" ); - if( use_ret == -(POLARSSL_ERR_ENTROPY_NO_SOURCES_DEFINED) ) - snprintf( buf, buflen, "ENTROPY - No sources have been added to poll" ); -#endif /* POLARSSL_ENTROPY_C */ - -#if defined(POLARSSL_GCM_C) - if( use_ret == -(POLARSSL_ERR_GCM_AUTH_FAILED) ) - snprintf( buf, buflen, "GCM - Authenticated decryption failed" ); - if( use_ret == -(POLARSSL_ERR_GCM_BAD_INPUT) ) - snprintf( buf, buflen, "GCM - Bad input parameters to function" ); -#endif /* POLARSSL_GCM_C */ - -#if defined(POLARSSL_MD2_C) - if( use_ret == -(POLARSSL_ERR_MD2_FILE_IO_ERROR) ) - snprintf( buf, buflen, "MD2 - Read/write error in file" ); -#endif /* POLARSSL_MD2_C */ - -#if defined(POLARSSL_MD4_C) - if( use_ret == -(POLARSSL_ERR_MD4_FILE_IO_ERROR) ) - snprintf( buf, buflen, "MD4 - Read/write error in file" ); -#endif /* POLARSSL_MD4_C */ - -#if defined(POLARSSL_MD5_C) - if( use_ret == -(POLARSSL_ERR_MD5_FILE_IO_ERROR) ) - snprintf( buf, buflen, "MD5 - Read/write error in file" ); -#endif /* POLARSSL_MD5_C */ - -#if defined(POLARSSL_NET_C) - if( use_ret == -(POLARSSL_ERR_NET_UNKNOWN_HOST) ) - snprintf( buf, buflen, "NET - Failed to get an IP address for the given hostname" ); - if( use_ret == -(POLARSSL_ERR_NET_SOCKET_FAILED) ) - snprintf( buf, buflen, "NET - Failed to open a socket" ); - if( use_ret == -(POLARSSL_ERR_NET_CONNECT_FAILED) ) - snprintf( buf, buflen, "NET - The connection to the given server / port failed" ); - if( use_ret == -(POLARSSL_ERR_NET_BIND_FAILED) ) - snprintf( buf, buflen, "NET - Binding of the socket failed" ); - if( use_ret == -(POLARSSL_ERR_NET_LISTEN_FAILED) ) - snprintf( buf, buflen, "NET - Could not listen on the socket" ); - if( use_ret == -(POLARSSL_ERR_NET_ACCEPT_FAILED) ) - snprintf( buf, buflen, "NET - Could not accept the incoming connection" ); - if( use_ret == -(POLARSSL_ERR_NET_RECV_FAILED) ) - snprintf( buf, buflen, "NET - Reading information from the socket failed" ); - if( use_ret == -(POLARSSL_ERR_NET_SEND_FAILED) ) - snprintf( buf, buflen, "NET - Sending information through the socket failed" ); - if( use_ret == -(POLARSSL_ERR_NET_CONN_RESET) ) - snprintf( buf, buflen, "NET - Connection was reset by peer" ); - if( use_ret == -(POLARSSL_ERR_NET_WANT_READ) ) - snprintf( buf, buflen, "NET - Connection requires a read call" ); - if( use_ret == -(POLARSSL_ERR_NET_WANT_WRITE) ) - snprintf( buf, buflen, "NET - Connection requires a write call" ); -#endif /* POLARSSL_NET_C */ - -#if defined(POLARSSL_PADLOCK_C) - if( use_ret == -(POLARSSL_ERR_PADLOCK_DATA_MISALIGNED) ) - snprintf( buf, buflen, "PADLOCK - Input data should be aligned" ); -#endif /* POLARSSL_PADLOCK_C */ - -#if defined(POLARSSL_SHA1_C) - if( use_ret == -(POLARSSL_ERR_SHA1_FILE_IO_ERROR) ) - snprintf( buf, buflen, "SHA1 - Read/write error in file" ); -#endif /* POLARSSL_SHA1_C */ - -#if defined(POLARSSL_SHA2_C) - if( use_ret == -(POLARSSL_ERR_SHA2_FILE_IO_ERROR) ) - snprintf( buf, buflen, "SHA2 - Read/write error in file" ); -#endif /* POLARSSL_SHA2_C */ - -#if defined(POLARSSL_SHA4_C) - if( use_ret == -(POLARSSL_ERR_SHA4_FILE_IO_ERROR) ) - snprintf( buf, buflen, "SHA4 - Read/write error in file" ); -#endif /* POLARSSL_SHA4_C */ - -#if defined(POLARSSL_XTEA_C) - if( use_ret == -(POLARSSL_ERR_XTEA_INVALID_INPUT_LENGTH) ) - snprintf( buf, buflen, "XTEA - The data input has an invalid length" ); -#endif /* POLARSSL_XTEA_C */ - - if( strlen( buf ) != 0 ) - return; - - snprintf( buf, buflen, "UNKNOWN ERROR CODE (%04X)", use_ret ); -} - -#endif /* POLARSSL_VERBOSE_ERROR */ diff --git a/polarssl/src/library/gcm.c b/polarssl/src/library/gcm.c deleted file mode 100644 index 616f724..0000000 --- a/polarssl/src/library/gcm.c +++ /dev/null @@ -1,653 +0,0 @@ -/* - * NIST SP800-38D compliant GCM implementation - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * http://csrc.nist.gov/publications/nistpubs/800-38D/SP-800-38D.pdf - */ -#include "polarssl/config.h" - -#if defined(POLARSSL_GCM_C) - -#include "polarssl/gcm.h" - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_ULONG_BE -#define GET_ULONG_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ - | ( (unsigned long) (b)[(i) + 1] << 16 ) \ - | ( (unsigned long) (b)[(i) + 2] << 8 ) \ - | ( (unsigned long) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_ULONG_BE -#define PUT_ULONG_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -static void gcm_gen_table( gcm_context *ctx ) -{ - int i, j; - uint64_t hi, lo; - uint64_t vl, vh; - unsigned char h[16]; - - memset( h, 0, 16 ); - aes_crypt_ecb( &ctx->aes_ctx, AES_ENCRYPT, h, h ); - - ctx->HH[0] = 0; - ctx->HL[0] = 0; - - GET_ULONG_BE( hi, h, 0 ); - GET_ULONG_BE( lo, h, 4 ); - vh = (uint64_t) hi << 32 | lo; - - GET_ULONG_BE( hi, h, 8 ); - GET_ULONG_BE( lo, h, 12 ); - vl = (uint64_t) hi << 32 | lo; - - ctx->HL[8] = vl; - ctx->HH[8] = vh; - - for( i = 4; i > 0; i >>= 1 ) - { - uint32_t T = ( vl & 1 ) ? 0xe1000000U : 0; - vl = ( vh << 63 ) | ( vl >> 1 ); - vh = ( vh >> 1 ) ^ ( (uint64_t) T << 32); - - ctx->HL[i] = vl; - ctx->HH[i] = vh; - } - - for (i = 2; i < 16; i <<= 1 ) - { - uint64_t *HiL = ctx->HL + i, *HiH = ctx->HH + i; - vh = *HiH; - vl = *HiL; - for( j = 1; j < i; j++ ) - { - HiH[j] = vh ^ ctx->HH[j]; - HiL[j] = vl ^ ctx->HL[j]; - } - } - -} - -int gcm_init( gcm_context *ctx, const unsigned char *key, unsigned int keysize ) -{ - int ret; - - memset( ctx, 0, sizeof(gcm_context) ); - - if( ( ret = aes_setkey_enc( &ctx->aes_ctx, key, keysize ) ) != 0 ) - return( ret ); - - gcm_gen_table( ctx ); - - return( 0 ); -} - -static const uint64_t last4[16] = -{ - 0x0000, 0x1c20, 0x3840, 0x2460, - 0x7080, 0x6ca0, 0x48c0, 0x54e0, - 0xe100, 0xfd20, 0xd940, 0xc560, - 0x9180, 0x8da0, 0xa9c0, 0xb5e0 -}; - -void gcm_mult( gcm_context *ctx, const unsigned char x[16], unsigned char output[16] ) -{ - int i = 0; - unsigned char z[16]; - unsigned char v[16]; - unsigned char lo, hi, rem; - uint64_t zh, zl; - - memset( z, 0x00, 16 ); - memcpy( v, x, 16 ); - - lo = x[15] & 0xf; - hi = x[15] >> 4; - - zh = ctx->HH[lo]; - zl = ctx->HL[lo]; - - for( i = 15; i >= 0; i-- ) - { - lo = x[i] & 0xf; - hi = x[i] >> 4; - - if( i != 15 ) - { - rem = zl & 0xf; - zl = ( zh << 60 ) | ( zl >> 4 ); - zh = ( zh >> 4 ); - zh ^= (uint64_t) last4[rem] << 48; - zh ^= ctx->HH[lo]; - zl ^= ctx->HL[lo]; - - } - - rem = zl & 0xf; - zl = ( zh << 60 ) | ( zl >> 4 ); - zh = ( zh >> 4 ); - zh ^= (uint64_t) last4[rem] << 48; - zh ^= ctx->HH[hi]; - zl ^= ctx->HL[hi]; - } - - PUT_ULONG_BE( zh >> 32, output, 0 ); - PUT_ULONG_BE( zh, output, 4 ); - PUT_ULONG_BE( zl >> 32, output, 8 ); - PUT_ULONG_BE( zl, output, 12 ); -} - -int gcm_crypt_and_tag( gcm_context *ctx, - int mode, - size_t length, - const unsigned char *iv, - size_t iv_len, - const unsigned char *add, - size_t add_len, - const unsigned char *input, - unsigned char *output, - size_t tag_len, - unsigned char *tag ) -{ - unsigned char y[16]; - unsigned char ectr[16]; - unsigned char buf[16]; - unsigned char work_buf[16]; - size_t i; - const unsigned char *p; - unsigned char *out_p = output; - size_t use_len; - size_t orig_len = length * 8; - size_t orig_add_len = add_len * 8; - unsigned char **xor_p; - - memset( y, 0x00, 16 ); - memset( work_buf, 0x00, 16 ); - memset( tag, 0x00, tag_len ); - memset( buf, 0x00, 16 ); - - if( ( mode == GCM_DECRYPT && output <= input && ( input - output ) < 8 ) || - ( output > input && (size_t) ( output - input ) < length ) ) - { - return( POLARSSL_ERR_GCM_BAD_INPUT ); - } - - if( mode == GCM_ENCRYPT ) - xor_p = (unsigned char **) &out_p; - else - xor_p = (unsigned char **) &p; - - if( iv_len == 12 ) - { - memcpy( y, iv, iv_len ); - y[15] = 1; - } - else - { - memset( work_buf, 0x00, 16 ); - PUT_ULONG_BE( iv_len * 8, work_buf, 12 ); - - p = iv; - while( iv_len > 0 ) - { - use_len = ( iv_len < 16 ) ? iv_len : 16; - - if( use_len == 16 ) - { - ((uint64_t *) y)[0] ^= ((uint64_t *) p)[0]; - ((uint64_t *) y)[1] ^= ((uint64_t *) p)[1]; - } - else - for( i = 0; i < use_len; i++ ) - y[i] ^= p[i]; - - gcm_mult( ctx, y, y ); - - iv_len -= use_len; - p += use_len; - } - - ((uint64_t *) y)[0] ^= ((uint64_t *) work_buf)[0]; - ((uint64_t *) y)[1] ^= ((uint64_t *) work_buf)[1]; - - gcm_mult( ctx, y, y ); - } - - aes_crypt_ecb( &ctx->aes_ctx, AES_ENCRYPT, y, ectr ); - memcpy( tag, ectr, tag_len ); - - p = add; - while( add_len > 0 ) - { - use_len = ( add_len < 16 ) ? add_len : 16; - - if( use_len == 16 ) - { - ((uint64_t *) buf)[0] ^= ((uint64_t *) p)[0]; - ((uint64_t *) buf)[1] ^= ((uint64_t *) p)[1]; - } - else - for( i = 0; i < use_len; i++ ) - buf[i] ^= p[i]; - - gcm_mult( ctx, buf, buf ); - - add_len -= use_len; - p += use_len; - } - - p = input; - while( length > 0 ) - { - use_len = ( length < 16 ) ? length : 16; - - for( i = 16; i > 0; i-- ) - if( ++y[i - 1] != 0 ) - break; - - aes_crypt_ecb( &ctx->aes_ctx, AES_ENCRYPT, y, ectr ); - - if( use_len == 16 ) - { - ((uint64_t *) out_p)[0] = ((uint64_t *) ectr)[0] ^ - ((uint64_t *) p)[0]; - ((uint64_t *) buf)[0] ^= ((uint64_t *) (*xor_p))[0]; - - ((uint64_t *) out_p)[1] = ((uint64_t *) ectr)[1] ^ - ((uint64_t *) p)[1]; - ((uint64_t *) buf)[1] ^= ((uint64_t *) (*xor_p))[1]; - } - else - for( i = 0; i < use_len; i++ ) - { - out_p[i] = ectr[i] ^ p[i]; - buf[i] ^= (*xor_p)[i]; - } - - gcm_mult( ctx, buf, buf ); - - length -= use_len; - p += use_len; - out_p += use_len; - } - - if( orig_len || orig_add_len ) - { - memset( work_buf, 0x00, 16 ); - - PUT_ULONG_BE( orig_add_len , work_buf, 4 ); - PUT_ULONG_BE( orig_len , work_buf, 12 ); - - ((uint64_t *) buf)[0] ^= ((uint64_t *) work_buf)[0]; - ((uint64_t *) buf)[1] ^= ((uint64_t *) work_buf)[1]; - - gcm_mult( ctx, buf, buf ); - - if( tag_len == 16 ) - { - ((uint64_t *) tag)[0] ^= ((uint64_t *) buf)[0]; - ((uint64_t *) tag)[1] ^= ((uint64_t *) buf)[1]; - } - else - for( i = 0; i < tag_len; i++ ) - tag[i] ^= buf[i]; - } - - return( 0 ); -} - -int gcm_auth_decrypt( gcm_context *ctx, - size_t length, - const unsigned char *iv, - size_t iv_len, - const unsigned char *add, - size_t add_len, - const unsigned char *tag, - size_t tag_len, - const unsigned char *input, - unsigned char *output ) -{ - unsigned char check_tag[16]; - - gcm_crypt_and_tag( ctx, GCM_DECRYPT, length, iv, iv_len, add, add_len, input, output, tag_len, check_tag ); - - if( memcmp( check_tag, tag, tag_len ) == 0 ) - return( 0 ); - - memset( output, 0, length ); - - return( POLARSSL_ERR_GCM_AUTH_FAILED ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include <stdio.h> - -/* - * GCM test vectors from: - * - * http://csrc.nist.gov/groups/STM/cavp/documents/mac/gcmtestvectors.zip - */ -#define MAX_TESTS 6 - -int key_index[MAX_TESTS] = - { 0, 0, 1, 1, 1, 1 }; - -unsigned char key[MAX_TESTS][32] = -{ - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - { 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, - 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08, - 0xfe, 0xff, 0xe9, 0x92, 0x86, 0x65, 0x73, 0x1c, - 0x6d, 0x6a, 0x8f, 0x94, 0x67, 0x30, 0x83, 0x08 }, -}; - -size_t iv_len[MAX_TESTS] = - { 12, 12, 12, 12, 8, 60 }; - -int iv_index[MAX_TESTS] = - { 0, 0, 1, 1, 1, 2 }; - -unsigned char iv[MAX_TESTS][64] = -{ - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 }, - { 0xca, 0xfe, 0xba, 0xbe, 0xfa, 0xce, 0xdb, 0xad, - 0xde, 0xca, 0xf8, 0x88 }, - { 0x93, 0x13, 0x22, 0x5d, 0xf8, 0x84, 0x06, 0xe5, - 0x55, 0x90, 0x9c, 0x5a, 0xff, 0x52, 0x69, 0xaa, - 0x6a, 0x7a, 0x95, 0x38, 0x53, 0x4f, 0x7d, 0xa1, - 0xe4, 0xc3, 0x03, 0xd2, 0xa3, 0x18, 0xa7, 0x28, - 0xc3, 0xc0, 0xc9, 0x51, 0x56, 0x80, 0x95, 0x39, - 0xfc, 0xf0, 0xe2, 0x42, 0x9a, 0x6b, 0x52, 0x54, - 0x16, 0xae, 0xdb, 0xf5, 0xa0, 0xde, 0x6a, 0x57, - 0xa6, 0x37, 0xb3, 0x9b }, -}; - -size_t add_len[MAX_TESTS] = - { 0, 0, 0, 20, 20, 20 }; - -int add_index[MAX_TESTS] = - { 0, 0, 0, 1, 1, 1 }; - -unsigned char additional[MAX_TESTS][64] = -{ - { 0x00 }, - { 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, - 0xfe, 0xed, 0xfa, 0xce, 0xde, 0xad, 0xbe, 0xef, - 0xab, 0xad, 0xda, 0xd2 }, -}; - -size_t pt_len[MAX_TESTS] = - { 0, 16, 64, 60, 60, 60 }; - -int pt_index[MAX_TESTS] = - { 0, 0, 1, 1, 1, 1 }; - -unsigned char pt[MAX_TESTS][64] = -{ - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }, - { 0xd9, 0x31, 0x32, 0x25, 0xf8, 0x84, 0x06, 0xe5, - 0xa5, 0x59, 0x09, 0xc5, 0xaf, 0xf5, 0x26, 0x9a, - 0x86, 0xa7, 0xa9, 0x53, 0x15, 0x34, 0xf7, 0xda, - 0x2e, 0x4c, 0x30, 0x3d, 0x8a, 0x31, 0x8a, 0x72, - 0x1c, 0x3c, 0x0c, 0x95, 0x95, 0x68, 0x09, 0x53, - 0x2f, 0xcf, 0x0e, 0x24, 0x49, 0xa6, 0xb5, 0x25, - 0xb1, 0x6a, 0xed, 0xf5, 0xaa, 0x0d, 0xe6, 0x57, - 0xba, 0x63, 0x7b, 0x39, 0x1a, 0xaf, 0xd2, 0x55 }, -}; - -unsigned char ct[MAX_TESTS * 3][64] = -{ - { 0x00 }, - { 0x03, 0x88, 0xda, 0xce, 0x60, 0xb6, 0xa3, 0x92, - 0xf3, 0x28, 0xc2, 0xb9, 0x71, 0xb2, 0xfe, 0x78 }, - { 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24, - 0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c, - 0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0, - 0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e, - 0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c, - 0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05, - 0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97, - 0x3d, 0x58, 0xe0, 0x91, 0x47, 0x3f, 0x59, 0x85 }, - { 0x42, 0x83, 0x1e, 0xc2, 0x21, 0x77, 0x74, 0x24, - 0x4b, 0x72, 0x21, 0xb7, 0x84, 0xd0, 0xd4, 0x9c, - 0xe3, 0xaa, 0x21, 0x2f, 0x2c, 0x02, 0xa4, 0xe0, - 0x35, 0xc1, 0x7e, 0x23, 0x29, 0xac, 0xa1, 0x2e, - 0x21, 0xd5, 0x14, 0xb2, 0x54, 0x66, 0x93, 0x1c, - 0x7d, 0x8f, 0x6a, 0x5a, 0xac, 0x84, 0xaa, 0x05, - 0x1b, 0xa3, 0x0b, 0x39, 0x6a, 0x0a, 0xac, 0x97, - 0x3d, 0x58, 0xe0, 0x91 }, - { 0x61, 0x35, 0x3b, 0x4c, 0x28, 0x06, 0x93, 0x4a, - 0x77, 0x7f, 0xf5, 0x1f, 0xa2, 0x2a, 0x47, 0x55, - 0x69, 0x9b, 0x2a, 0x71, 0x4f, 0xcd, 0xc6, 0xf8, - 0x37, 0x66, 0xe5, 0xf9, 0x7b, 0x6c, 0x74, 0x23, - 0x73, 0x80, 0x69, 0x00, 0xe4, 0x9f, 0x24, 0xb2, - 0x2b, 0x09, 0x75, 0x44, 0xd4, 0x89, 0x6b, 0x42, - 0x49, 0x89, 0xb5, 0xe1, 0xeb, 0xac, 0x0f, 0x07, - 0xc2, 0x3f, 0x45, 0x98 }, - { 0x8c, 0xe2, 0x49, 0x98, 0x62, 0x56, 0x15, 0xb6, - 0x03, 0xa0, 0x33, 0xac, 0xa1, 0x3f, 0xb8, 0x94, - 0xbe, 0x91, 0x12, 0xa5, 0xc3, 0xa2, 0x11, 0xa8, - 0xba, 0x26, 0x2a, 0x3c, 0xca, 0x7e, 0x2c, 0xa7, - 0x01, 0xe4, 0xa9, 0xa4, 0xfb, 0xa4, 0x3c, 0x90, - 0xcc, 0xdc, 0xb2, 0x81, 0xd4, 0x8c, 0x7c, 0x6f, - 0xd6, 0x28, 0x75, 0xd2, 0xac, 0xa4, 0x17, 0x03, - 0x4c, 0x34, 0xae, 0xe5 }, - { 0x00 }, - { 0x98, 0xe7, 0x24, 0x7c, 0x07, 0xf0, 0xfe, 0x41, - 0x1c, 0x26, 0x7e, 0x43, 0x84, 0xb0, 0xf6, 0x00 }, - { 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41, - 0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57, - 0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84, - 0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c, - 0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25, - 0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47, - 0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9, - 0xcc, 0xda, 0x27, 0x10, 0xac, 0xad, 0xe2, 0x56 }, - { 0x39, 0x80, 0xca, 0x0b, 0x3c, 0x00, 0xe8, 0x41, - 0xeb, 0x06, 0xfa, 0xc4, 0x87, 0x2a, 0x27, 0x57, - 0x85, 0x9e, 0x1c, 0xea, 0xa6, 0xef, 0xd9, 0x84, - 0x62, 0x85, 0x93, 0xb4, 0x0c, 0xa1, 0xe1, 0x9c, - 0x7d, 0x77, 0x3d, 0x00, 0xc1, 0x44, 0xc5, 0x25, - 0xac, 0x61, 0x9d, 0x18, 0xc8, 0x4a, 0x3f, 0x47, - 0x18, 0xe2, 0x44, 0x8b, 0x2f, 0xe3, 0x24, 0xd9, - 0xcc, 0xda, 0x27, 0x10 }, - { 0x0f, 0x10, 0xf5, 0x99, 0xae, 0x14, 0xa1, 0x54, - 0xed, 0x24, 0xb3, 0x6e, 0x25, 0x32, 0x4d, 0xb8, - 0xc5, 0x66, 0x63, 0x2e, 0xf2, 0xbb, 0xb3, 0x4f, - 0x83, 0x47, 0x28, 0x0f, 0xc4, 0x50, 0x70, 0x57, - 0xfd, 0xdc, 0x29, 0xdf, 0x9a, 0x47, 0x1f, 0x75, - 0xc6, 0x65, 0x41, 0xd4, 0xd4, 0xda, 0xd1, 0xc9, - 0xe9, 0x3a, 0x19, 0xa5, 0x8e, 0x8b, 0x47, 0x3f, - 0xa0, 0xf0, 0x62, 0xf7 }, - { 0xd2, 0x7e, 0x88, 0x68, 0x1c, 0xe3, 0x24, 0x3c, - 0x48, 0x30, 0x16, 0x5a, 0x8f, 0xdc, 0xf9, 0xff, - 0x1d, 0xe9, 0xa1, 0xd8, 0xe6, 0xb4, 0x47, 0xef, - 0x6e, 0xf7, 0xb7, 0x98, 0x28, 0x66, 0x6e, 0x45, - 0x81, 0xe7, 0x90, 0x12, 0xaf, 0x34, 0xdd, 0xd9, - 0xe2, 0xf0, 0x37, 0x58, 0x9b, 0x29, 0x2d, 0xb3, - 0xe6, 0x7c, 0x03, 0x67, 0x45, 0xfa, 0x22, 0xe7, - 0xe9, 0xb7, 0x37, 0x3b }, - { 0x00 }, - { 0xce, 0xa7, 0x40, 0x3d, 0x4d, 0x60, 0x6b, 0x6e, - 0x07, 0x4e, 0xc5, 0xd3, 0xba, 0xf3, 0x9d, 0x18 }, - { 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07, - 0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d, - 0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9, - 0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa, - 0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d, - 0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38, - 0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a, - 0xbc, 0xc9, 0xf6, 0x62, 0x89, 0x80, 0x15, 0xad }, - { 0x52, 0x2d, 0xc1, 0xf0, 0x99, 0x56, 0x7d, 0x07, - 0xf4, 0x7f, 0x37, 0xa3, 0x2a, 0x84, 0x42, 0x7d, - 0x64, 0x3a, 0x8c, 0xdc, 0xbf, 0xe5, 0xc0, 0xc9, - 0x75, 0x98, 0xa2, 0xbd, 0x25, 0x55, 0xd1, 0xaa, - 0x8c, 0xb0, 0x8e, 0x48, 0x59, 0x0d, 0xbb, 0x3d, - 0xa7, 0xb0, 0x8b, 0x10, 0x56, 0x82, 0x88, 0x38, - 0xc5, 0xf6, 0x1e, 0x63, 0x93, 0xba, 0x7a, 0x0a, - 0xbc, 0xc9, 0xf6, 0x62 }, - { 0xc3, 0x76, 0x2d, 0xf1, 0xca, 0x78, 0x7d, 0x32, - 0xae, 0x47, 0xc1, 0x3b, 0xf1, 0x98, 0x44, 0xcb, - 0xaf, 0x1a, 0xe1, 0x4d, 0x0b, 0x97, 0x6a, 0xfa, - 0xc5, 0x2f, 0xf7, 0xd7, 0x9b, 0xba, 0x9d, 0xe0, - 0xfe, 0xb5, 0x82, 0xd3, 0x39, 0x34, 0xa4, 0xf0, - 0x95, 0x4c, 0xc2, 0x36, 0x3b, 0xc7, 0x3f, 0x78, - 0x62, 0xac, 0x43, 0x0e, 0x64, 0xab, 0xe4, 0x99, - 0xf4, 0x7c, 0x9b, 0x1f }, - { 0x5a, 0x8d, 0xef, 0x2f, 0x0c, 0x9e, 0x53, 0xf1, - 0xf7, 0x5d, 0x78, 0x53, 0x65, 0x9e, 0x2a, 0x20, - 0xee, 0xb2, 0xb2, 0x2a, 0xaf, 0xde, 0x64, 0x19, - 0xa0, 0x58, 0xab, 0x4f, 0x6f, 0x74, 0x6b, 0xf4, - 0x0f, 0xc0, 0xc3, 0xb7, 0x80, 0xf2, 0x44, 0x45, - 0x2d, 0xa3, 0xeb, 0xf1, 0xc5, 0xd8, 0x2c, 0xde, - 0xa2, 0x41, 0x89, 0x97, 0x20, 0x0e, 0xf8, 0x2e, - 0x44, 0xae, 0x7e, 0x3f }, -}; - -unsigned char tag[MAX_TESTS * 3][16] = -{ - { 0x58, 0xe2, 0xfc, 0xce, 0xfa, 0x7e, 0x30, 0x61, - 0x36, 0x7f, 0x1d, 0x57, 0xa4, 0xe7, 0x45, 0x5a }, - { 0xab, 0x6e, 0x47, 0xd4, 0x2c, 0xec, 0x13, 0xbd, - 0xf5, 0x3a, 0x67, 0xb2, 0x12, 0x57, 0xbd, 0xdf }, - { 0x4d, 0x5c, 0x2a, 0xf3, 0x27, 0xcd, 0x64, 0xa6, - 0x2c, 0xf3, 0x5a, 0xbd, 0x2b, 0xa6, 0xfa, 0xb4 }, - { 0x5b, 0xc9, 0x4f, 0xbc, 0x32, 0x21, 0xa5, 0xdb, - 0x94, 0xfa, 0xe9, 0x5a, 0xe7, 0x12, 0x1a, 0x47 }, - { 0x36, 0x12, 0xd2, 0xe7, 0x9e, 0x3b, 0x07, 0x85, - 0x56, 0x1b, 0xe1, 0x4a, 0xac, 0xa2, 0xfc, 0xcb }, - { 0x61, 0x9c, 0xc5, 0xae, 0xff, 0xfe, 0x0b, 0xfa, - 0x46, 0x2a, 0xf4, 0x3c, 0x16, 0x99, 0xd0, 0x50 }, - { 0xcd, 0x33, 0xb2, 0x8a, 0xc7, 0x73, 0xf7, 0x4b, - 0xa0, 0x0e, 0xd1, 0xf3, 0x12, 0x57, 0x24, 0x35 }, - { 0x2f, 0xf5, 0x8d, 0x80, 0x03, 0x39, 0x27, 0xab, - 0x8e, 0xf4, 0xd4, 0x58, 0x75, 0x14, 0xf0, 0xfb }, - { 0x99, 0x24, 0xa7, 0xc8, 0x58, 0x73, 0x36, 0xbf, - 0xb1, 0x18, 0x02, 0x4d, 0xb8, 0x67, 0x4a, 0x14 }, - { 0x25, 0x19, 0x49, 0x8e, 0x80, 0xf1, 0x47, 0x8f, - 0x37, 0xba, 0x55, 0xbd, 0x6d, 0x27, 0x61, 0x8c }, - { 0x65, 0xdc, 0xc5, 0x7f, 0xcf, 0x62, 0x3a, 0x24, - 0x09, 0x4f, 0xcc, 0xa4, 0x0d, 0x35, 0x33, 0xf8 }, - { 0xdc, 0xf5, 0x66, 0xff, 0x29, 0x1c, 0x25, 0xbb, - 0xb8, 0x56, 0x8f, 0xc3, 0xd3, 0x76, 0xa6, 0xd9 }, - { 0x53, 0x0f, 0x8a, 0xfb, 0xc7, 0x45, 0x36, 0xb9, - 0xa9, 0x63, 0xb4, 0xf1, 0xc4, 0xcb, 0x73, 0x8b }, - { 0xd0, 0xd1, 0xc8, 0xa7, 0x99, 0x99, 0x6b, 0xf0, - 0x26, 0x5b, 0x98, 0xb5, 0xd4, 0x8a, 0xb9, 0x19 }, - { 0xb0, 0x94, 0xda, 0xc5, 0xd9, 0x34, 0x71, 0xbd, - 0xec, 0x1a, 0x50, 0x22, 0x70, 0xe3, 0xcc, 0x6c }, - { 0x76, 0xfc, 0x6e, 0xce, 0x0f, 0x4e, 0x17, 0x68, - 0xcd, 0xdf, 0x88, 0x53, 0xbb, 0x2d, 0x55, 0x1b }, - { 0x3a, 0x33, 0x7d, 0xbf, 0x46, 0xa7, 0x92, 0xc4, - 0x5e, 0x45, 0x49, 0x13, 0xfe, 0x2e, 0xa8, 0xf2 }, - { 0xa4, 0x4a, 0x82, 0x66, 0xee, 0x1c, 0x8e, 0xb0, - 0xc8, 0xb5, 0xd4, 0xcf, 0x5a, 0xe9, 0xf1, 0x9a }, -}; - -int gcm_self_test( int verbose ) -{ - gcm_context ctx; - unsigned char buf[64]; - unsigned char tag_buf[16]; - int i, j, ret; - - for( j = 0; j < 3; j++ ) - { - int key_len = 128 + 64 * j; - - for( i = 0; i < MAX_TESTS; i++ ) - { - printf( " AES-GCM-%3d #%d (%s): ", key_len, i, "enc" ); - gcm_init( &ctx, key[key_index[i]], key_len ); - - ret = gcm_crypt_and_tag( &ctx, GCM_ENCRYPT, - pt_len[i], - iv[iv_index[i]], iv_len[i], - additional[add_index[i]], add_len[i], - pt[pt_index[i]], buf, 16, tag_buf ); - - if( ret != 0 || - memcmp( buf, ct[j * 6 + i], pt_len[i] ) != 0 || - memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - - printf( " AES-GCM-%3d #%d (%s): ", key_len, i, "dec" ); - gcm_init( &ctx, key[key_index[i]], key_len ); - - ret = gcm_crypt_and_tag( &ctx, GCM_DECRYPT, - pt_len[i], - iv[iv_index[i]], iv_len[i], - additional[add_index[i]], add_len[i], - ct[j * 6 + i], buf, 16, tag_buf ); - - if( ret != 0 || - memcmp( buf, pt[pt_index[i]], pt_len[i] ) != 0 || - memcmp( tag_buf, tag[j * 6 + i], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - } - - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/havege.c b/polarssl/src/library/havege.c deleted file mode 100644 index ff302c5..0000000 --- a/polarssl/src/library/havege.c +++ /dev/null @@ -1,231 +0,0 @@ -/** - * \brief HAVEGE: HArdware Volatile Entropy Gathering and Expansion - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The HAVEGE RNG was designed by Andre Seznec in 2002. - * - * http://www.irisa.fr/caps/projects/hipsor/publi.php - * - * Contact: seznec(at)irisa_dot_fr - orocheco(at)irisa_dot_fr - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_HAVEGE_C) - -#include "polarssl/havege.h" -#include "polarssl/timing.h" - -#include <string.h> -#include <time.h> - -/* ------------------------------------------------------------------------ - * On average, one iteration accesses two 8-word blocks in the havege WALK - * table, and generates 16 words in the RES array. - * - * The data read in the WALK table is updated and permuted after each use. - * The result of the hardware clock counter read is used for this update. - * - * 25 conditional tests are present. The conditional tests are grouped in - * two nested groups of 12 conditional tests and 1 test that controls the - * permutation; on average, there should be 6 tests executed and 3 of them - * should be mispredicted. - * ------------------------------------------------------------------------ - */ - -#define SWAP(X,Y) { int *T = X; X = Y; Y = T; } - -#define TST1_ENTER if( PTEST & 1 ) { PTEST ^= 3; PTEST >>= 1; -#define TST2_ENTER if( PTEST & 1 ) { PTEST ^= 3; PTEST >>= 1; - -#define TST1_LEAVE U1++; } -#define TST2_LEAVE U2++; } - -#define ONE_ITERATION \ - \ - PTEST = PT1 >> 20; \ - \ - TST1_ENTER TST1_ENTER TST1_ENTER TST1_ENTER \ - TST1_ENTER TST1_ENTER TST1_ENTER TST1_ENTER \ - TST1_ENTER TST1_ENTER TST1_ENTER TST1_ENTER \ - \ - TST1_LEAVE TST1_LEAVE TST1_LEAVE TST1_LEAVE \ - TST1_LEAVE TST1_LEAVE TST1_LEAVE TST1_LEAVE \ - TST1_LEAVE TST1_LEAVE TST1_LEAVE TST1_LEAVE \ - \ - PTX = (PT1 >> 18) & 7; \ - PT1 &= 0x1FFF; \ - PT2 &= 0x1FFF; \ - CLK = (int) hardclock(); \ - \ - i = 0; \ - A = &WALK[PT1 ]; RES[i++] ^= *A; \ - B = &WALK[PT2 ]; RES[i++] ^= *B; \ - C = &WALK[PT1 ^ 1]; RES[i++] ^= *C; \ - D = &WALK[PT2 ^ 4]; RES[i++] ^= *D; \ - \ - IN = (*A >> (1)) ^ (*A << (31)) ^ CLK; \ - *A = (*B >> (2)) ^ (*B << (30)) ^ CLK; \ - *B = IN ^ U1; \ - *C = (*C >> (3)) ^ (*C << (29)) ^ CLK; \ - *D = (*D >> (4)) ^ (*D << (28)) ^ CLK; \ - \ - A = &WALK[PT1 ^ 2]; RES[i++] ^= *A; \ - B = &WALK[PT2 ^ 2]; RES[i++] ^= *B; \ - C = &WALK[PT1 ^ 3]; RES[i++] ^= *C; \ - D = &WALK[PT2 ^ 6]; RES[i++] ^= *D; \ - \ - if( PTEST & 1 ) SWAP( A, C ); \ - \ - IN = (*A >> (5)) ^ (*A << (27)) ^ CLK; \ - *A = (*B >> (6)) ^ (*B << (26)) ^ CLK; \ - *B = IN; CLK = (int) hardclock(); \ - *C = (*C >> (7)) ^ (*C << (25)) ^ CLK; \ - *D = (*D >> (8)) ^ (*D << (24)) ^ CLK; \ - \ - A = &WALK[PT1 ^ 4]; \ - B = &WALK[PT2 ^ 1]; \ - \ - PTEST = PT2 >> 1; \ - \ - PT2 = (RES[(i - 8) ^ PTY] ^ WALK[PT2 ^ PTY ^ 7]); \ - PT2 = ((PT2 & 0x1FFF) & (~8)) ^ ((PT1 ^ 8) & 0x8); \ - PTY = (PT2 >> 10) & 7; \ - \ - TST2_ENTER TST2_ENTER TST2_ENTER TST2_ENTER \ - TST2_ENTER TST2_ENTER TST2_ENTER TST2_ENTER \ - TST2_ENTER TST2_ENTER TST2_ENTER TST2_ENTER \ - \ - TST2_LEAVE TST2_LEAVE TST2_LEAVE TST2_LEAVE \ - TST2_LEAVE TST2_LEAVE TST2_LEAVE TST2_LEAVE \ - TST2_LEAVE TST2_LEAVE TST2_LEAVE TST2_LEAVE \ - \ - C = &WALK[PT1 ^ 5]; \ - D = &WALK[PT2 ^ 5]; \ - \ - RES[i++] ^= *A; \ - RES[i++] ^= *B; \ - RES[i++] ^= *C; \ - RES[i++] ^= *D; \ - \ - IN = (*A >> ( 9)) ^ (*A << (23)) ^ CLK; \ - *A = (*B >> (10)) ^ (*B << (22)) ^ CLK; \ - *B = IN ^ U2; \ - *C = (*C >> (11)) ^ (*C << (21)) ^ CLK; \ - *D = (*D >> (12)) ^ (*D << (20)) ^ CLK; \ - \ - A = &WALK[PT1 ^ 6]; RES[i++] ^= *A; \ - B = &WALK[PT2 ^ 3]; RES[i++] ^= *B; \ - C = &WALK[PT1 ^ 7]; RES[i++] ^= *C; \ - D = &WALK[PT2 ^ 7]; RES[i++] ^= *D; \ - \ - IN = (*A >> (13)) ^ (*A << (19)) ^ CLK; \ - *A = (*B >> (14)) ^ (*B << (18)) ^ CLK; \ - *B = IN; \ - *C = (*C >> (15)) ^ (*C << (17)) ^ CLK; \ - *D = (*D >> (16)) ^ (*D << (16)) ^ CLK; \ - \ - PT1 = ( RES[(i - 8) ^ PTX] ^ \ - WALK[PT1 ^ PTX ^ 7] ) & (~1); \ - PT1 ^= (PT2 ^ 0x10) & 0x10; \ - \ - for( n++, i = 0; i < 16; i++ ) \ - hs->pool[n % COLLECT_SIZE] ^= RES[i]; - -/* - * Entropy gathering function - */ -static void havege_fill( havege_state *hs ) -{ - int i, n = 0; - int U1, U2, *A, *B, *C, *D; - int PT1, PT2, *WALK, RES[16]; - int PTX, PTY, CLK, PTEST, IN; - - WALK = hs->WALK; - PT1 = hs->PT1; - PT2 = hs->PT2; - - PTX = U1 = 0; - PTY = U2 = 0; - - memset( RES, 0, sizeof( RES ) ); - - while( n < COLLECT_SIZE * 4 ) - { - ONE_ITERATION - ONE_ITERATION - ONE_ITERATION - ONE_ITERATION - } - - hs->PT1 = PT1; - hs->PT2 = PT2; - - hs->offset[0] = 0; - hs->offset[1] = COLLECT_SIZE / 2; -} - -/* - * HAVEGE initialization - */ -void havege_init( havege_state *hs ) -{ - memset( hs, 0, sizeof( havege_state ) ); - - havege_fill( hs ); -} - -/* - * HAVEGE rand function - */ -int havege_random( void *p_rng, unsigned char *buf, size_t len ) -{ - int val; - size_t use_len; - havege_state *hs = (havege_state *) p_rng; - unsigned char *p = buf; - - while( len > 0 ) - { - use_len = len; - if( use_len > sizeof(int) ) - use_len = sizeof(int); - - if( hs->offset[1] >= COLLECT_SIZE ) - havege_fill( hs ); - - val = hs->pool[hs->offset[0]++]; - val ^= hs->pool[hs->offset[1]++]; - - memcpy( p, &val, use_len ); - - len -= use_len; - p += use_len; - } - - return( 0 ); -} - -#endif diff --git a/polarssl/src/library/md.c b/polarssl/src/library/md.c deleted file mode 100644 index 96065c9..0000000 --- a/polarssl/src/library/md.c +++ /dev/null @@ -1,297 +0,0 @@ -/** - * \file md.c - * - * \brief Generic message digest wrapper for PolarSSL - * - * \author Adriaan de Jong <dejong@fox-it.com> - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_MD_C) - -#include "polarssl/md.h" -#include "polarssl/md_wrap.h" - -#include <stdlib.h> - -#if defined _MSC_VER && !defined strcasecmp -#define strcasecmp _stricmp -#endif - -static const int supported_digests[] = { - -#if defined(POLARSSL_MD2_C) - POLARSSL_MD_MD2, -#endif - -#if defined(POLARSSL_MD4_C) - POLARSSL_MD_MD4, -#endif - -#if defined(POLARSSL_MD5_C) - POLARSSL_MD_MD5, -#endif - -#if defined(POLARSSL_SHA1_C) - POLARSSL_MD_SHA1, -#endif - -#if defined(POLARSSL_SHA2_C) - POLARSSL_MD_SHA224, - POLARSSL_MD_SHA256, -#endif - -#if defined(POLARSSL_SHA4_C) - POLARSSL_MD_SHA384, - POLARSSL_MD_SHA512, -#endif - - 0 -}; - -const int *md_list( void ) -{ - return supported_digests; -} - -const md_info_t *md_info_from_string( const char *md_name ) -{ - if( NULL == md_name ) - return NULL; - - /* Get the appropriate digest information */ -#if defined(POLARSSL_MD2_C) - if( !strcasecmp( "MD2", md_name ) ) - return md_info_from_type( POLARSSL_MD_MD2 ); -#endif -#if defined(POLARSSL_MD4_C) - if( !strcasecmp( "MD4", md_name ) ) - return md_info_from_type( POLARSSL_MD_MD4 ); -#endif -#if defined(POLARSSL_MD5_C) - if( !strcasecmp( "MD5", md_name ) ) - return md_info_from_type( POLARSSL_MD_MD5 ); -#endif -#if defined(POLARSSL_SHA1_C) - if( !strcasecmp( "SHA1", md_name ) || !strcasecmp( "SHA", md_name ) ) - return md_info_from_type( POLARSSL_MD_SHA1 ); -#endif -#if defined(POLARSSL_SHA2_C) - if( !strcasecmp( "SHA224", md_name ) ) - return md_info_from_type( POLARSSL_MD_SHA224 ); - if( !strcasecmp( "SHA256", md_name ) ) - return md_info_from_type( POLARSSL_MD_SHA256 ); -#endif -#if defined(POLARSSL_SHA4_C) - if( !strcasecmp( "SHA384", md_name ) ) - return md_info_from_type( POLARSSL_MD_SHA384 ); - if( !strcasecmp( "SHA512", md_name ) ) - return md_info_from_type( POLARSSL_MD_SHA512 ); -#endif - return NULL; -} - -const md_info_t *md_info_from_type( md_type_t md_type ) -{ - switch( md_type ) - { -#if defined(POLARSSL_MD2_C) - case POLARSSL_MD_MD2: - return &md2_info; -#endif -#if defined(POLARSSL_MD4_C) - case POLARSSL_MD_MD4: - return &md4_info; -#endif -#if defined(POLARSSL_MD5_C) - case POLARSSL_MD_MD5: - return &md5_info; -#endif -#if defined(POLARSSL_SHA1_C) - case POLARSSL_MD_SHA1: - return &sha1_info; -#endif -#if defined(POLARSSL_SHA2_C) - case POLARSSL_MD_SHA224: - return &sha224_info; - case POLARSSL_MD_SHA256: - return &sha256_info; -#endif -#if defined(POLARSSL_SHA4_C) - case POLARSSL_MD_SHA384: - return &sha384_info; - case POLARSSL_MD_SHA512: - return &sha512_info; -#endif - default: - return NULL; - } -} - -int md_init_ctx( md_context_t *ctx, const md_info_t *md_info ) -{ - if( md_info == NULL || ctx == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - memset( ctx, 0, sizeof( md_context_t ) ); - - if( ( ctx->md_ctx = md_info->ctx_alloc_func() ) == NULL ) - return POLARSSL_ERR_MD_ALLOC_FAILED; - - ctx->md_info = md_info; - - md_info->starts_func( ctx->md_ctx ); - - return 0; -} - -int md_free_ctx( md_context_t *ctx ) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->ctx_free_func( ctx->md_ctx ); - ctx->md_ctx = NULL; - - return 0; -} - -int md_starts( md_context_t *ctx ) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->starts_func( ctx->md_ctx ); - - return 0; -} - -int md_update( md_context_t *ctx, const unsigned char *input, size_t ilen ) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->update_func( ctx->md_ctx, input, ilen ); - - return 0; -} - -int md_finish( md_context_t *ctx, unsigned char *output ) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->finish_func( ctx->md_ctx, output ); - - return 0; -} - -int md( const md_info_t *md_info, const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - if ( md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - md_info->digest_func( input, ilen, output ); - - return 0; -} - -int md_file( const md_info_t *md_info, const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - int ret; -#endif - - if( md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - -#if defined(POLARSSL_FS_IO) - ret = md_info->file_func( path, output ); - if( ret != 0 ) - return( POLARSSL_ERR_MD_FILE_IO_ERROR + ret ); - - return( ret ); -#else - ((void) path); - ((void) output); - - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -int md_hmac_starts( md_context_t *ctx, const unsigned char *key, size_t keylen ) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->hmac_starts_func( ctx->md_ctx, key, keylen); - - return 0; -} - -int md_hmac_update( md_context_t *ctx, const unsigned char *input, size_t ilen ) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->hmac_update_func( ctx->md_ctx, input, ilen ); - - return 0; -} - -int md_hmac_finish( md_context_t *ctx, unsigned char *output) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->hmac_finish_func( ctx->md_ctx, output); - - return 0; -} - -int md_hmac_reset( md_context_t *ctx ) -{ - if( ctx == NULL || ctx->md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - ctx->md_info->hmac_reset_func( ctx->md_ctx); - - return 0; -} - -int md_hmac( const md_info_t *md_info, const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - if( md_info == NULL ) - return POLARSSL_ERR_MD_BAD_INPUT_DATA; - - md_info->hmac_func( key, keylen, input, ilen, output ); - - return 0; -} - -#endif diff --git a/polarssl/src/library/md2.c b/polarssl/src/library/md2.c deleted file mode 100644 index 954aa07..0000000 --- a/polarssl/src/library/md2.c +++ /dev/null @@ -1,364 +0,0 @@ -/* - * RFC 1115/1319 compliant MD2 implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The MD2 algorithm was designed by Ron Rivest in 1989. - * - * http://www.ietf.org/rfc/rfc1115.txt - * http://www.ietf.org/rfc/rfc1319.txt - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_MD2_C) - -#include "polarssl/md2.h" - -#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST) -#include <stdio.h> -#endif - -static const unsigned char PI_SUBST[256] = -{ - 0x29, 0x2E, 0x43, 0xC9, 0xA2, 0xD8, 0x7C, 0x01, 0x3D, 0x36, - 0x54, 0xA1, 0xEC, 0xF0, 0x06, 0x13, 0x62, 0xA7, 0x05, 0xF3, - 0xC0, 0xC7, 0x73, 0x8C, 0x98, 0x93, 0x2B, 0xD9, 0xBC, 0x4C, - 0x82, 0xCA, 0x1E, 0x9B, 0x57, 0x3C, 0xFD, 0xD4, 0xE0, 0x16, - 0x67, 0x42, 0x6F, 0x18, 0x8A, 0x17, 0xE5, 0x12, 0xBE, 0x4E, - 0xC4, 0xD6, 0xDA, 0x9E, 0xDE, 0x49, 0xA0, 0xFB, 0xF5, 0x8E, - 0xBB, 0x2F, 0xEE, 0x7A, 0xA9, 0x68, 0x79, 0x91, 0x15, 0xB2, - 0x07, 0x3F, 0x94, 0xC2, 0x10, 0x89, 0x0B, 0x22, 0x5F, 0x21, - 0x80, 0x7F, 0x5D, 0x9A, 0x5A, 0x90, 0x32, 0x27, 0x35, 0x3E, - 0xCC, 0xE7, 0xBF, 0xF7, 0x97, 0x03, 0xFF, 0x19, 0x30, 0xB3, - 0x48, 0xA5, 0xB5, 0xD1, 0xD7, 0x5E, 0x92, 0x2A, 0xAC, 0x56, - 0xAA, 0xC6, 0x4F, 0xB8, 0x38, 0xD2, 0x96, 0xA4, 0x7D, 0xB6, - 0x76, 0xFC, 0x6B, 0xE2, 0x9C, 0x74, 0x04, 0xF1, 0x45, 0x9D, - 0x70, 0x59, 0x64, 0x71, 0x87, 0x20, 0x86, 0x5B, 0xCF, 0x65, - 0xE6, 0x2D, 0xA8, 0x02, 0x1B, 0x60, 0x25, 0xAD, 0xAE, 0xB0, - 0xB9, 0xF6, 0x1C, 0x46, 0x61, 0x69, 0x34, 0x40, 0x7E, 0x0F, - 0x55, 0x47, 0xA3, 0x23, 0xDD, 0x51, 0xAF, 0x3A, 0xC3, 0x5C, - 0xF9, 0xCE, 0xBA, 0xC5, 0xEA, 0x26, 0x2C, 0x53, 0x0D, 0x6E, - 0x85, 0x28, 0x84, 0x09, 0xD3, 0xDF, 0xCD, 0xF4, 0x41, 0x81, - 0x4D, 0x52, 0x6A, 0xDC, 0x37, 0xC8, 0x6C, 0xC1, 0xAB, 0xFA, - 0x24, 0xE1, 0x7B, 0x08, 0x0C, 0xBD, 0xB1, 0x4A, 0x78, 0x88, - 0x95, 0x8B, 0xE3, 0x63, 0xE8, 0x6D, 0xE9, 0xCB, 0xD5, 0xFE, - 0x3B, 0x00, 0x1D, 0x39, 0xF2, 0xEF, 0xB7, 0x0E, 0x66, 0x58, - 0xD0, 0xE4, 0xA6, 0x77, 0x72, 0xF8, 0xEB, 0x75, 0x4B, 0x0A, - 0x31, 0x44, 0x50, 0xB4, 0x8F, 0xED, 0x1F, 0x1A, 0xDB, 0x99, - 0x8D, 0x33, 0x9F, 0x11, 0x83, 0x14 -}; - -/* - * MD2 context setup - */ -void md2_starts( md2_context *ctx ) -{ - memset( ctx->cksum, 0, 16 ); - memset( ctx->state, 0, 46 ); - memset( ctx->buffer, 0, 16 ); - ctx->left = 0; -} - -static void md2_process( md2_context *ctx ) -{ - int i, j; - unsigned char t = 0; - - for( i = 0; i < 16; i++ ) - { - ctx->state[i + 16] = ctx->buffer[i]; - ctx->state[i + 32] = - (unsigned char)( ctx->buffer[i] ^ ctx->state[i]); - } - - for( i = 0; i < 18; i++ ) - { - for( j = 0; j < 48; j++ ) - { - ctx->state[j] = (unsigned char) - ( ctx->state[j] ^ PI_SUBST[t] ); - t = ctx->state[j]; - } - - t = (unsigned char)( t + i ); - } - - t = ctx->cksum[15]; - - for( i = 0; i < 16; i++ ) - { - ctx->cksum[i] = (unsigned char) - ( ctx->cksum[i] ^ PI_SUBST[ctx->buffer[i] ^ t] ); - t = ctx->cksum[i]; - } -} - -/* - * MD2 process buffer - */ -void md2_update( md2_context *ctx, const unsigned char *input, size_t ilen ) -{ - size_t fill; - - while( ilen > 0 ) - { - if( ctx->left + ilen > 16 ) - fill = 16 - ctx->left; - else - fill = ilen; - - memcpy( ctx->buffer + ctx->left, input, fill ); - - ctx->left += fill; - input += fill; - ilen -= fill; - - if( ctx->left == 16 ) - { - ctx->left = 0; - md2_process( ctx ); - } - } -} - -/* - * MD2 final digest - */ -void md2_finish( md2_context *ctx, unsigned char output[16] ) -{ - size_t i; - unsigned char x; - - x = (unsigned char)( 16 - ctx->left ); - - for( i = ctx->left; i < 16; i++ ) - ctx->buffer[i] = x; - - md2_process( ctx ); - - memcpy( ctx->buffer, ctx->cksum, 16 ); - md2_process( ctx ); - - memcpy( output, ctx->state, 16 ); -} - -/* - * output = MD2( input buffer ) - */ -void md2( const unsigned char *input, size_t ilen, unsigned char output[16] ) -{ - md2_context ctx; - - md2_starts( &ctx ); - md2_update( &ctx, input, ilen ); - md2_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md2_context ) ); -} - -#if defined(POLARSSL_FS_IO) -/* - * output = MD2( file contents ) - */ -int md2_file( const char *path, unsigned char output[16] ) -{ - FILE *f; - size_t n; - md2_context ctx; - unsigned char buf[1024]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_MD2_FILE_IO_ERROR ); - - md2_starts( &ctx ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - md2_update( &ctx, buf, n ); - - md2_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md2_context ) ); - - if( ferror( f ) != 0 ) - { - fclose( f ); - return( POLARSSL_ERR_MD2_FILE_IO_ERROR ); - } - - fclose( f ); - return( 0 ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * MD2 HMAC context setup - */ -void md2_hmac_starts( md2_context *ctx, const unsigned char *key, size_t keylen ) -{ - size_t i; - unsigned char sum[16]; - - if( keylen > 16 ) - { - md2( key, keylen, sum ); - keylen = 16; - key = sum; - } - - memset( ctx->ipad, 0x36, 16 ); - memset( ctx->opad, 0x5C, 16 ); - - for( i = 0; i < keylen; i++ ) - { - ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); - ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); - } - - md2_starts( ctx ); - md2_update( ctx, ctx->ipad, 16 ); - - memset( sum, 0, sizeof( sum ) ); -} - -/* - * MD2 HMAC process buffer - */ -void md2_hmac_update( md2_context *ctx, const unsigned char *input, size_t ilen ) -{ - md2_update( ctx, input, ilen ); -} - -/* - * MD2 HMAC final digest - */ -void md2_hmac_finish( md2_context *ctx, unsigned char output[16] ) -{ - unsigned char tmpbuf[16]; - - md2_finish( ctx, tmpbuf ); - md2_starts( ctx ); - md2_update( ctx, ctx->opad, 16 ); - md2_update( ctx, tmpbuf, 16 ); - md2_finish( ctx, output ); - - memset( tmpbuf, 0, sizeof( tmpbuf ) ); -} - -/* - * MD2 HMAC context reset - */ -void md2_hmac_reset( md2_context *ctx ) -{ - md2_starts( ctx ); - md2_update( ctx, ctx->ipad, 16 ); -} - -/* - * output = HMAC-MD2( hmac key, input buffer ) - */ -void md2_hmac( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char output[16] ) -{ - md2_context ctx; - - md2_hmac_starts( &ctx, key, keylen ); - md2_hmac_update( &ctx, input, ilen ); - md2_hmac_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md2_context ) ); -} - -#if defined(POLARSSL_SELF_TEST) - -/* - * RFC 1319 test vectors - */ -static const char md2_test_str[7][81] = -{ - { "" }, - { "a" }, - { "abc" }, - { "message digest" }, - { "abcdefghijklmnopqrstuvwxyz" }, - { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" }, - { "12345678901234567890123456789012345678901234567890123456789012" \ - "345678901234567890" } -}; - -static const unsigned char md2_test_sum[7][16] = -{ - { 0x83, 0x50, 0xE5, 0xA3, 0xE2, 0x4C, 0x15, 0x3D, - 0xF2, 0x27, 0x5C, 0x9F, 0x80, 0x69, 0x27, 0x73 }, - { 0x32, 0xEC, 0x01, 0xEC, 0x4A, 0x6D, 0xAC, 0x72, - 0xC0, 0xAB, 0x96, 0xFB, 0x34, 0xC0, 0xB5, 0xD1 }, - { 0xDA, 0x85, 0x3B, 0x0D, 0x3F, 0x88, 0xD9, 0x9B, - 0x30, 0x28, 0x3A, 0x69, 0xE6, 0xDE, 0xD6, 0xBB }, - { 0xAB, 0x4F, 0x49, 0x6B, 0xFB, 0x2A, 0x53, 0x0B, - 0x21, 0x9F, 0xF3, 0x30, 0x31, 0xFE, 0x06, 0xB0 }, - { 0x4E, 0x8D, 0xDF, 0xF3, 0x65, 0x02, 0x92, 0xAB, - 0x5A, 0x41, 0x08, 0xC3, 0xAA, 0x47, 0x94, 0x0B }, - { 0xDA, 0x33, 0xDE, 0xF2, 0xA4, 0x2D, 0xF1, 0x39, - 0x75, 0x35, 0x28, 0x46, 0xC3, 0x03, 0x38, 0xCD }, - { 0xD5, 0x97, 0x6F, 0x79, 0xD8, 0x3D, 0x3A, 0x0D, - 0xC9, 0x80, 0x6C, 0x3C, 0x66, 0xF3, 0xEF, 0xD8 } -}; - -/* - * Checkup routine - */ -int md2_self_test( int verbose ) -{ - int i; - unsigned char md2sum[16]; - - for( i = 0; i < 7; i++ ) - { - if( verbose != 0 ) - printf( " MD2 test #%d: ", i + 1 ); - - md2( (unsigned char *) md2_test_str[i], - strlen( md2_test_str[i] ), md2sum ); - - if( memcmp( md2sum, md2_test_sum[i], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/md4.c b/polarssl/src/library/md4.c deleted file mode 100644 index ad52e5e..0000000 --- a/polarssl/src/library/md4.c +++ /dev/null @@ -1,460 +0,0 @@ -/* - * RFC 1186/1320 compliant MD4 implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The MD4 algorithm was designed by Ron Rivest in 1990. - * - * http://www.ietf.org/rfc/rfc1186.txt - * http://www.ietf.org/rfc/rfc1320.txt - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_MD4_C) - -#include "polarssl/md4.h" - -#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST) -#include <stdio.h> -#endif - -/* - * 32-bit integer manipulation macros (little endian) - */ -#ifndef GET_ULONG_LE -#define GET_ULONG_LE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] ) \ - | ( (unsigned long) (b)[(i) + 1] << 8 ) \ - | ( (unsigned long) (b)[(i) + 2] << 16 ) \ - | ( (unsigned long) (b)[(i) + 3] << 24 ); \ -} -#endif - -#ifndef PUT_ULONG_LE -#define PUT_ULONG_LE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \ -} -#endif - -/* - * MD4 context setup - */ -void md4_starts( md4_context *ctx ) -{ - ctx->total[0] = 0; - ctx->total[1] = 0; - - ctx->state[0] = 0x67452301; - ctx->state[1] = 0xEFCDAB89; - ctx->state[2] = 0x98BADCFE; - ctx->state[3] = 0x10325476; -} - -static void md4_process( md4_context *ctx, const unsigned char data[64] ) -{ - unsigned long X[16], A, B, C, D; - - GET_ULONG_LE( X[ 0], data, 0 ); - GET_ULONG_LE( X[ 1], data, 4 ); - GET_ULONG_LE( X[ 2], data, 8 ); - GET_ULONG_LE( X[ 3], data, 12 ); - GET_ULONG_LE( X[ 4], data, 16 ); - GET_ULONG_LE( X[ 5], data, 20 ); - GET_ULONG_LE( X[ 6], data, 24 ); - GET_ULONG_LE( X[ 7], data, 28 ); - GET_ULONG_LE( X[ 8], data, 32 ); - GET_ULONG_LE( X[ 9], data, 36 ); - GET_ULONG_LE( X[10], data, 40 ); - GET_ULONG_LE( X[11], data, 44 ); - GET_ULONG_LE( X[12], data, 48 ); - GET_ULONG_LE( X[13], data, 52 ); - GET_ULONG_LE( X[14], data, 56 ); - GET_ULONG_LE( X[15], data, 60 ); - -#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) - - A = ctx->state[0]; - B = ctx->state[1]; - C = ctx->state[2]; - D = ctx->state[3]; - -#define F(x, y, z) ((x & y) | ((~x) & z)) -#define P(a,b,c,d,x,s) { a += F(b,c,d) + x; a = S(a,s); } - - P( A, B, C, D, X[ 0], 3 ); - P( D, A, B, C, X[ 1], 7 ); - P( C, D, A, B, X[ 2], 11 ); - P( B, C, D, A, X[ 3], 19 ); - P( A, B, C, D, X[ 4], 3 ); - P( D, A, B, C, X[ 5], 7 ); - P( C, D, A, B, X[ 6], 11 ); - P( B, C, D, A, X[ 7], 19 ); - P( A, B, C, D, X[ 8], 3 ); - P( D, A, B, C, X[ 9], 7 ); - P( C, D, A, B, X[10], 11 ); - P( B, C, D, A, X[11], 19 ); - P( A, B, C, D, X[12], 3 ); - P( D, A, B, C, X[13], 7 ); - P( C, D, A, B, X[14], 11 ); - P( B, C, D, A, X[15], 19 ); - -#undef P -#undef F - -#define F(x,y,z) ((x & y) | (x & z) | (y & z)) -#define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x5A827999; a = S(a,s); } - - P( A, B, C, D, X[ 0], 3 ); - P( D, A, B, C, X[ 4], 5 ); - P( C, D, A, B, X[ 8], 9 ); - P( B, C, D, A, X[12], 13 ); - P( A, B, C, D, X[ 1], 3 ); - P( D, A, B, C, X[ 5], 5 ); - P( C, D, A, B, X[ 9], 9 ); - P( B, C, D, A, X[13], 13 ); - P( A, B, C, D, X[ 2], 3 ); - P( D, A, B, C, X[ 6], 5 ); - P( C, D, A, B, X[10], 9 ); - P( B, C, D, A, X[14], 13 ); - P( A, B, C, D, X[ 3], 3 ); - P( D, A, B, C, X[ 7], 5 ); - P( C, D, A, B, X[11], 9 ); - P( B, C, D, A, X[15], 13 ); - -#undef P -#undef F - -#define F(x,y,z) (x ^ y ^ z) -#define P(a,b,c,d,x,s) { a += F(b,c,d) + x + 0x6ED9EBA1; a = S(a,s); } - - P( A, B, C, D, X[ 0], 3 ); - P( D, A, B, C, X[ 8], 9 ); - P( C, D, A, B, X[ 4], 11 ); - P( B, C, D, A, X[12], 15 ); - P( A, B, C, D, X[ 2], 3 ); - P( D, A, B, C, X[10], 9 ); - P( C, D, A, B, X[ 6], 11 ); - P( B, C, D, A, X[14], 15 ); - P( A, B, C, D, X[ 1], 3 ); - P( D, A, B, C, X[ 9], 9 ); - P( C, D, A, B, X[ 5], 11 ); - P( B, C, D, A, X[13], 15 ); - P( A, B, C, D, X[ 3], 3 ); - P( D, A, B, C, X[11], 9 ); - P( C, D, A, B, X[ 7], 11 ); - P( B, C, D, A, X[15], 15 ); - -#undef F -#undef P - - ctx->state[0] += A; - ctx->state[1] += B; - ctx->state[2] += C; - ctx->state[3] += D; -} - -/* - * MD4 process buffer - */ -void md4_update( md4_context *ctx, const unsigned char *input, size_t ilen ) -{ - size_t fill; - unsigned long left; - - if( ilen <= 0 ) - return; - - left = ctx->total[0] & 0x3F; - fill = 64 - left; - - ctx->total[0] += (unsigned long) ilen; - ctx->total[0] &= 0xFFFFFFFF; - - if( ctx->total[0] < (unsigned long) ilen ) - ctx->total[1]++; - - if( left && ilen >= fill ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, fill ); - md4_process( ctx, ctx->buffer ); - input += fill; - ilen -= fill; - left = 0; - } - - while( ilen >= 64 ) - { - md4_process( ctx, input ); - input += 64; - ilen -= 64; - } - - if( ilen > 0 ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, ilen ); - } -} - -static const unsigned char md4_padding[64] = -{ - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* - * MD4 final digest - */ -void md4_finish( md4_context *ctx, unsigned char output[16] ) -{ - unsigned long last, padn; - unsigned long high, low; - unsigned char msglen[8]; - - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_ULONG_LE( low, msglen, 0 ); - PUT_ULONG_LE( high, msglen, 4 ); - - last = ctx->total[0] & 0x3F; - padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); - - md4_update( ctx, (unsigned char *) md4_padding, padn ); - md4_update( ctx, msglen, 8 ); - - PUT_ULONG_LE( ctx->state[0], output, 0 ); - PUT_ULONG_LE( ctx->state[1], output, 4 ); - PUT_ULONG_LE( ctx->state[2], output, 8 ); - PUT_ULONG_LE( ctx->state[3], output, 12 ); -} - -/* - * output = MD4( input buffer ) - */ -void md4( const unsigned char *input, size_t ilen, unsigned char output[16] ) -{ - md4_context ctx; - - md4_starts( &ctx ); - md4_update( &ctx, input, ilen ); - md4_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md4_context ) ); -} - -#if defined(POLARSSL_FS_IO) -/* - * output = MD4( file contents ) - */ -int md4_file( const char *path, unsigned char output[16] ) -{ - FILE *f; - size_t n; - md4_context ctx; - unsigned char buf[1024]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_MD4_FILE_IO_ERROR ); - - md4_starts( &ctx ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - md4_update( &ctx, buf, n ); - - md4_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md4_context ) ); - - if( ferror( f ) != 0 ) - { - fclose( f ); - return( POLARSSL_ERR_MD4_FILE_IO_ERROR ); - } - - fclose( f ); - return( 0 ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * MD4 HMAC context setup - */ -void md4_hmac_starts( md4_context *ctx, const unsigned char *key, size_t keylen ) -{ - size_t i; - unsigned char sum[16]; - - if( keylen > 64 ) - { - md4( key, keylen, sum ); - keylen = 16; - key = sum; - } - - memset( ctx->ipad, 0x36, 64 ); - memset( ctx->opad, 0x5C, 64 ); - - for( i = 0; i < keylen; i++ ) - { - ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); - ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); - } - - md4_starts( ctx ); - md4_update( ctx, ctx->ipad, 64 ); - - memset( sum, 0, sizeof( sum ) ); -} - -/* - * MD4 HMAC process buffer - */ -void md4_hmac_update( md4_context *ctx, const unsigned char *input, size_t ilen ) -{ - md4_update( ctx, input, ilen ); -} - -/* - * MD4 HMAC final digest - */ -void md4_hmac_finish( md4_context *ctx, unsigned char output[16] ) -{ - unsigned char tmpbuf[16]; - - md4_finish( ctx, tmpbuf ); - md4_starts( ctx ); - md4_update( ctx, ctx->opad, 64 ); - md4_update( ctx, tmpbuf, 16 ); - md4_finish( ctx, output ); - - memset( tmpbuf, 0, sizeof( tmpbuf ) ); -} - -/* - * MD4 HMAC context reset - */ -void md4_hmac_reset( md4_context *ctx ) -{ - md4_starts( ctx ); - md4_update( ctx, ctx->ipad, 64 ); -} - -/* - * output = HMAC-MD4( hmac key, input buffer ) - */ -void md4_hmac( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char output[16] ) -{ - md4_context ctx; - - md4_hmac_starts( &ctx, key, keylen ); - md4_hmac_update( &ctx, input, ilen ); - md4_hmac_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md4_context ) ); -} - -#if defined(POLARSSL_SELF_TEST) - -/* - * RFC 1320 test vectors - */ -static const char md4_test_str[7][81] = -{ - { "" }, - { "a" }, - { "abc" }, - { "message digest" }, - { "abcdefghijklmnopqrstuvwxyz" }, - { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" }, - { "12345678901234567890123456789012345678901234567890123456789012" \ - "345678901234567890" } -}; - -static const unsigned char md4_test_sum[7][16] = -{ - { 0x31, 0xD6, 0xCF, 0xE0, 0xD1, 0x6A, 0xE9, 0x31, - 0xB7, 0x3C, 0x59, 0xD7, 0xE0, 0xC0, 0x89, 0xC0 }, - { 0xBD, 0xE5, 0x2C, 0xB3, 0x1D, 0xE3, 0x3E, 0x46, - 0x24, 0x5E, 0x05, 0xFB, 0xDB, 0xD6, 0xFB, 0x24 }, - { 0xA4, 0x48, 0x01, 0x7A, 0xAF, 0x21, 0xD8, 0x52, - 0x5F, 0xC1, 0x0A, 0xE8, 0x7A, 0xA6, 0x72, 0x9D }, - { 0xD9, 0x13, 0x0A, 0x81, 0x64, 0x54, 0x9F, 0xE8, - 0x18, 0x87, 0x48, 0x06, 0xE1, 0xC7, 0x01, 0x4B }, - { 0xD7, 0x9E, 0x1C, 0x30, 0x8A, 0xA5, 0xBB, 0xCD, - 0xEE, 0xA8, 0xED, 0x63, 0xDF, 0x41, 0x2D, 0xA9 }, - { 0x04, 0x3F, 0x85, 0x82, 0xF2, 0x41, 0xDB, 0x35, - 0x1C, 0xE6, 0x27, 0xE1, 0x53, 0xE7, 0xF0, 0xE4 }, - { 0xE3, 0x3B, 0x4D, 0xDC, 0x9C, 0x38, 0xF2, 0x19, - 0x9C, 0x3E, 0x7B, 0x16, 0x4F, 0xCC, 0x05, 0x36 } -}; - -/* - * Checkup routine - */ -int md4_self_test( int verbose ) -{ - int i; - unsigned char md4sum[16]; - - for( i = 0; i < 7; i++ ) - { - if( verbose != 0 ) - printf( " MD4 test #%d: ", i + 1 ); - - md4( (unsigned char *) md4_test_str[i], - strlen( md4_test_str[i] ), md4sum ); - - if( memcmp( md4sum, md4_test_sum[i], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/md5.c b/polarssl/src/library/md5.c deleted file mode 100644 index 7a449b2..0000000 --- a/polarssl/src/library/md5.c +++ /dev/null @@ -1,583 +0,0 @@ -/* - * RFC 1321 compliant MD5 implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The MD5 algorithm was designed by Ron Rivest in 1991. - * - * http://www.ietf.org/rfc/rfc1321.txt - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_MD5_C) - -#include "polarssl/md5.h" - -#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST) -#include <stdio.h> -#endif - -/* - * 32-bit integer manipulation macros (little endian) - */ -#ifndef GET_ULONG_LE -#define GET_ULONG_LE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] ) \ - | ( (unsigned long) (b)[(i) + 1] << 8 ) \ - | ( (unsigned long) (b)[(i) + 2] << 16 ) \ - | ( (unsigned long) (b)[(i) + 3] << 24 ); \ -} -#endif - -#ifndef PUT_ULONG_LE -#define PUT_ULONG_LE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) >> 24 ); \ -} -#endif - -/* - * MD5 context setup - */ -void md5_starts( md5_context *ctx ) -{ - ctx->total[0] = 0; - ctx->total[1] = 0; - - ctx->state[0] = 0x67452301; - ctx->state[1] = 0xEFCDAB89; - ctx->state[2] = 0x98BADCFE; - ctx->state[3] = 0x10325476; -} - -static void md5_process( md5_context *ctx, const unsigned char data[64] ) -{ - unsigned long X[16], A, B, C, D; - - GET_ULONG_LE( X[ 0], data, 0 ); - GET_ULONG_LE( X[ 1], data, 4 ); - GET_ULONG_LE( X[ 2], data, 8 ); - GET_ULONG_LE( X[ 3], data, 12 ); - GET_ULONG_LE( X[ 4], data, 16 ); - GET_ULONG_LE( X[ 5], data, 20 ); - GET_ULONG_LE( X[ 6], data, 24 ); - GET_ULONG_LE( X[ 7], data, 28 ); - GET_ULONG_LE( X[ 8], data, 32 ); - GET_ULONG_LE( X[ 9], data, 36 ); - GET_ULONG_LE( X[10], data, 40 ); - GET_ULONG_LE( X[11], data, 44 ); - GET_ULONG_LE( X[12], data, 48 ); - GET_ULONG_LE( X[13], data, 52 ); - GET_ULONG_LE( X[14], data, 56 ); - GET_ULONG_LE( X[15], data, 60 ); - -#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) - -#define P(a,b,c,d,k,s,t) \ -{ \ - a += F(b,c,d) + X[k] + t; a = S(a,s) + b; \ -} - - A = ctx->state[0]; - B = ctx->state[1]; - C = ctx->state[2]; - D = ctx->state[3]; - -#define F(x,y,z) (z ^ (x & (y ^ z))) - - P( A, B, C, D, 0, 7, 0xD76AA478 ); - P( D, A, B, C, 1, 12, 0xE8C7B756 ); - P( C, D, A, B, 2, 17, 0x242070DB ); - P( B, C, D, A, 3, 22, 0xC1BDCEEE ); - P( A, B, C, D, 4, 7, 0xF57C0FAF ); - P( D, A, B, C, 5, 12, 0x4787C62A ); - P( C, D, A, B, 6, 17, 0xA8304613 ); - P( B, C, D, A, 7, 22, 0xFD469501 ); - P( A, B, C, D, 8, 7, 0x698098D8 ); - P( D, A, B, C, 9, 12, 0x8B44F7AF ); - P( C, D, A, B, 10, 17, 0xFFFF5BB1 ); - P( B, C, D, A, 11, 22, 0x895CD7BE ); - P( A, B, C, D, 12, 7, 0x6B901122 ); - P( D, A, B, C, 13, 12, 0xFD987193 ); - P( C, D, A, B, 14, 17, 0xA679438E ); - P( B, C, D, A, 15, 22, 0x49B40821 ); - -#undef F - -#define F(x,y,z) (y ^ (z & (x ^ y))) - - P( A, B, C, D, 1, 5, 0xF61E2562 ); - P( D, A, B, C, 6, 9, 0xC040B340 ); - P( C, D, A, B, 11, 14, 0x265E5A51 ); - P( B, C, D, A, 0, 20, 0xE9B6C7AA ); - P( A, B, C, D, 5, 5, 0xD62F105D ); - P( D, A, B, C, 10, 9, 0x02441453 ); - P( C, D, A, B, 15, 14, 0xD8A1E681 ); - P( B, C, D, A, 4, 20, 0xE7D3FBC8 ); - P( A, B, C, D, 9, 5, 0x21E1CDE6 ); - P( D, A, B, C, 14, 9, 0xC33707D6 ); - P( C, D, A, B, 3, 14, 0xF4D50D87 ); - P( B, C, D, A, 8, 20, 0x455A14ED ); - P( A, B, C, D, 13, 5, 0xA9E3E905 ); - P( D, A, B, C, 2, 9, 0xFCEFA3F8 ); - P( C, D, A, B, 7, 14, 0x676F02D9 ); - P( B, C, D, A, 12, 20, 0x8D2A4C8A ); - -#undef F - -#define F(x,y,z) (x ^ y ^ z) - - P( A, B, C, D, 5, 4, 0xFFFA3942 ); - P( D, A, B, C, 8, 11, 0x8771F681 ); - P( C, D, A, B, 11, 16, 0x6D9D6122 ); - P( B, C, D, A, 14, 23, 0xFDE5380C ); - P( A, B, C, D, 1, 4, 0xA4BEEA44 ); - P( D, A, B, C, 4, 11, 0x4BDECFA9 ); - P( C, D, A, B, 7, 16, 0xF6BB4B60 ); - P( B, C, D, A, 10, 23, 0xBEBFBC70 ); - P( A, B, C, D, 13, 4, 0x289B7EC6 ); - P( D, A, B, C, 0, 11, 0xEAA127FA ); - P( C, D, A, B, 3, 16, 0xD4EF3085 ); - P( B, C, D, A, 6, 23, 0x04881D05 ); - P( A, B, C, D, 9, 4, 0xD9D4D039 ); - P( D, A, B, C, 12, 11, 0xE6DB99E5 ); - P( C, D, A, B, 15, 16, 0x1FA27CF8 ); - P( B, C, D, A, 2, 23, 0xC4AC5665 ); - -#undef F - -#define F(x,y,z) (y ^ (x | ~z)) - - P( A, B, C, D, 0, 6, 0xF4292244 ); - P( D, A, B, C, 7, 10, 0x432AFF97 ); - P( C, D, A, B, 14, 15, 0xAB9423A7 ); - P( B, C, D, A, 5, 21, 0xFC93A039 ); - P( A, B, C, D, 12, 6, 0x655B59C3 ); - P( D, A, B, C, 3, 10, 0x8F0CCC92 ); - P( C, D, A, B, 10, 15, 0xFFEFF47D ); - P( B, C, D, A, 1, 21, 0x85845DD1 ); - P( A, B, C, D, 8, 6, 0x6FA87E4F ); - P( D, A, B, C, 15, 10, 0xFE2CE6E0 ); - P( C, D, A, B, 6, 15, 0xA3014314 ); - P( B, C, D, A, 13, 21, 0x4E0811A1 ); - P( A, B, C, D, 4, 6, 0xF7537E82 ); - P( D, A, B, C, 11, 10, 0xBD3AF235 ); - P( C, D, A, B, 2, 15, 0x2AD7D2BB ); - P( B, C, D, A, 9, 21, 0xEB86D391 ); - -#undef F - - ctx->state[0] += A; - ctx->state[1] += B; - ctx->state[2] += C; - ctx->state[3] += D; -} - -/* - * MD5 process buffer - */ -void md5_update( md5_context *ctx, const unsigned char *input, size_t ilen ) -{ - size_t fill; - unsigned long left; - - if( ilen <= 0 ) - return; - - left = ctx->total[0] & 0x3F; - fill = 64 - left; - - ctx->total[0] += (unsigned long) ilen; - ctx->total[0] &= 0xFFFFFFFF; - - if( ctx->total[0] < (unsigned long) ilen ) - ctx->total[1]++; - - if( left && ilen >= fill ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, fill ); - md5_process( ctx, ctx->buffer ); - input += fill; - ilen -= fill; - left = 0; - } - - while( ilen >= 64 ) - { - md5_process( ctx, input ); - input += 64; - ilen -= 64; - } - - if( ilen > 0 ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, ilen ); - } -} - -static const unsigned char md5_padding[64] = -{ - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* - * MD5 final digest - */ -void md5_finish( md5_context *ctx, unsigned char output[16] ) -{ - unsigned long last, padn; - unsigned long high, low; - unsigned char msglen[8]; - - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_ULONG_LE( low, msglen, 0 ); - PUT_ULONG_LE( high, msglen, 4 ); - - last = ctx->total[0] & 0x3F; - padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); - - md5_update( ctx, (unsigned char *) md5_padding, padn ); - md5_update( ctx, msglen, 8 ); - - PUT_ULONG_LE( ctx->state[0], output, 0 ); - PUT_ULONG_LE( ctx->state[1], output, 4 ); - PUT_ULONG_LE( ctx->state[2], output, 8 ); - PUT_ULONG_LE( ctx->state[3], output, 12 ); -} - -/* - * output = MD5( input buffer ) - */ -void md5( const unsigned char *input, size_t ilen, unsigned char output[16] ) -{ - md5_context ctx; - - md5_starts( &ctx ); - md5_update( &ctx, input, ilen ); - md5_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md5_context ) ); -} - -#if defined(POLARSSL_FS_IO) -/* - * output = MD5( file contents ) - */ -int md5_file( const char *path, unsigned char output[16] ) -{ - FILE *f; - size_t n; - md5_context ctx; - unsigned char buf[1024]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_MD5_FILE_IO_ERROR ); - - md5_starts( &ctx ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - md5_update( &ctx, buf, n ); - - md5_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md5_context ) ); - - if( ferror( f ) != 0 ) - { - fclose( f ); - return( POLARSSL_ERR_MD5_FILE_IO_ERROR ); - } - - fclose( f ); - return( 0 ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * MD5 HMAC context setup - */ -void md5_hmac_starts( md5_context *ctx, const unsigned char *key, size_t keylen ) -{ - size_t i; - unsigned char sum[16]; - - if( keylen > 64 ) - { - md5( key, keylen, sum ); - keylen = 16; - key = sum; - } - - memset( ctx->ipad, 0x36, 64 ); - memset( ctx->opad, 0x5C, 64 ); - - for( i = 0; i < keylen; i++ ) - { - ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); - ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); - } - - md5_starts( ctx ); - md5_update( ctx, ctx->ipad, 64 ); - - memset( sum, 0, sizeof( sum ) ); -} - -/* - * MD5 HMAC process buffer - */ -void md5_hmac_update( md5_context *ctx, const unsigned char *input, size_t ilen ) -{ - md5_update( ctx, input, ilen ); -} - -/* - * MD5 HMAC final digest - */ -void md5_hmac_finish( md5_context *ctx, unsigned char output[16] ) -{ - unsigned char tmpbuf[16]; - - md5_finish( ctx, tmpbuf ); - md5_starts( ctx ); - md5_update( ctx, ctx->opad, 64 ); - md5_update( ctx, tmpbuf, 16 ); - md5_finish( ctx, output ); - - memset( tmpbuf, 0, sizeof( tmpbuf ) ); -} - -/* - * MD5 HMAC context reset - */ -void md5_hmac_reset( md5_context *ctx ) -{ - md5_starts( ctx ); - md5_update( ctx, ctx->ipad, 64 ); -} - -/* - * output = HMAC-MD5( hmac key, input buffer ) - */ -void md5_hmac( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char output[16] ) -{ - md5_context ctx; - - md5_hmac_starts( &ctx, key, keylen ); - md5_hmac_update( &ctx, input, ilen ); - md5_hmac_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( md5_context ) ); -} - -#if defined(POLARSSL_SELF_TEST) -/* - * RFC 1321 test vectors - */ -static unsigned char md5_test_buf[7][81] = -{ - { "" }, - { "a" }, - { "abc" }, - { "message digest" }, - { "abcdefghijklmnopqrstuvwxyz" }, - { "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789" }, - { "12345678901234567890123456789012345678901234567890123456789012" \ - "345678901234567890" } -}; - -static const int md5_test_buflen[7] = -{ - 0, 1, 3, 14, 26, 62, 80 -}; - -static const unsigned char md5_test_sum[7][16] = -{ - { 0xD4, 0x1D, 0x8C, 0xD9, 0x8F, 0x00, 0xB2, 0x04, - 0xE9, 0x80, 0x09, 0x98, 0xEC, 0xF8, 0x42, 0x7E }, - { 0x0C, 0xC1, 0x75, 0xB9, 0xC0, 0xF1, 0xB6, 0xA8, - 0x31, 0xC3, 0x99, 0xE2, 0x69, 0x77, 0x26, 0x61 }, - { 0x90, 0x01, 0x50, 0x98, 0x3C, 0xD2, 0x4F, 0xB0, - 0xD6, 0x96, 0x3F, 0x7D, 0x28, 0xE1, 0x7F, 0x72 }, - { 0xF9, 0x6B, 0x69, 0x7D, 0x7C, 0xB7, 0x93, 0x8D, - 0x52, 0x5A, 0x2F, 0x31, 0xAA, 0xF1, 0x61, 0xD0 }, - { 0xC3, 0xFC, 0xD3, 0xD7, 0x61, 0x92, 0xE4, 0x00, - 0x7D, 0xFB, 0x49, 0x6C, 0xCA, 0x67, 0xE1, 0x3B }, - { 0xD1, 0x74, 0xAB, 0x98, 0xD2, 0x77, 0xD9, 0xF5, - 0xA5, 0x61, 0x1C, 0x2C, 0x9F, 0x41, 0x9D, 0x9F }, - { 0x57, 0xED, 0xF4, 0xA2, 0x2B, 0xE3, 0xC9, 0x55, - 0xAC, 0x49, 0xDA, 0x2E, 0x21, 0x07, 0xB6, 0x7A } -}; - -/* - * RFC 2202 test vectors - */ -static unsigned char md5_hmac_test_key[7][26] = -{ - { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" }, - { "Jefe" }, - { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" }, - { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" - "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, - { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" }, - { "" }, /* 0xAA 80 times */ - { "" } -}; - -static const int md5_hmac_test_keylen[7] = -{ - 16, 4, 16, 25, 16, 80, 80 -}; - -static unsigned char md5_hmac_test_buf[7][74] = -{ - { "Hi There" }, - { "what do ya want for nothing?" }, - { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, - { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, - { "Test With Truncation" }, - { "Test Using Larger Than Block-Size Key - Hash Key First" }, - { "Test Using Larger Than Block-Size Key and Larger" - " Than One Block-Size Data" } -}; - -static const int md5_hmac_test_buflen[7] = -{ - 8, 28, 50, 50, 20, 54, 73 -}; - -static const unsigned char md5_hmac_test_sum[7][16] = -{ - { 0x92, 0x94, 0x72, 0x7A, 0x36, 0x38, 0xBB, 0x1C, - 0x13, 0xF4, 0x8E, 0xF8, 0x15, 0x8B, 0xFC, 0x9D }, - { 0x75, 0x0C, 0x78, 0x3E, 0x6A, 0xB0, 0xB5, 0x03, - 0xEA, 0xA8, 0x6E, 0x31, 0x0A, 0x5D, 0xB7, 0x38 }, - { 0x56, 0xBE, 0x34, 0x52, 0x1D, 0x14, 0x4C, 0x88, - 0xDB, 0xB8, 0xC7, 0x33, 0xF0, 0xE8, 0xB3, 0xF6 }, - { 0x69, 0x7E, 0xAF, 0x0A, 0xCA, 0x3A, 0x3A, 0xEA, - 0x3A, 0x75, 0x16, 0x47, 0x46, 0xFF, 0xAA, 0x79 }, - { 0x56, 0x46, 0x1E, 0xF2, 0x34, 0x2E, 0xDC, 0x00, - 0xF9, 0xBA, 0xB9, 0x95 }, - { 0x6B, 0x1A, 0xB7, 0xFE, 0x4B, 0xD7, 0xBF, 0x8F, - 0x0B, 0x62, 0xE6, 0xCE, 0x61, 0xB9, 0xD0, 0xCD }, - { 0x6F, 0x63, 0x0F, 0xAD, 0x67, 0xCD, 0xA0, 0xEE, - 0x1F, 0xB1, 0xF5, 0x62, 0xDB, 0x3A, 0xA5, 0x3E } -}; - -/* - * Checkup routine - */ -int md5_self_test( int verbose ) -{ - int i, buflen; - unsigned char buf[1024]; - unsigned char md5sum[16]; - md5_context ctx; - - for( i = 0; i < 7; i++ ) - { - if( verbose != 0 ) - printf( " MD5 test #%d: ", i + 1 ); - - md5( md5_test_buf[i], md5_test_buflen[i], md5sum ); - - if( memcmp( md5sum, md5_test_sum[i], 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - for( i = 0; i < 7; i++ ) - { - if( verbose != 0 ) - printf( " HMAC-MD5 test #%d: ", i + 1 ); - - if( i == 5 || i == 6 ) - { - memset( buf, '\xAA', buflen = 80 ); - md5_hmac_starts( &ctx, buf, buflen ); - } - else - md5_hmac_starts( &ctx, md5_hmac_test_key[i], - md5_hmac_test_keylen[i] ); - - md5_hmac_update( &ctx, md5_hmac_test_buf[i], - md5_hmac_test_buflen[i] ); - - md5_hmac_finish( &ctx, md5sum ); - - buflen = ( i == 4 ) ? 12 : 16; - - if( memcmp( md5sum, md5_hmac_test_sum[i], buflen ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/md_wrap.c b/polarssl/src/library/md_wrap.c deleted file mode 100644 index f276db5..0000000 --- a/polarssl/src/library/md_wrap.c +++ /dev/null @@ -1,733 +0,0 @@ -/** - * \file md_wrap.c - - * \brief Generic message digest wrapper for PolarSSL - * - * \author Adriaan de Jong <dejong@fox-it.com> - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_MD_C) - -#include "polarssl/md_wrap.h" - -#if defined(POLARSSL_MD2_C) -#include "polarssl/md2.h" -#endif - -#if defined(POLARSSL_MD4_C) -#include "polarssl/md4.h" -#endif - -#if defined(POLARSSL_MD5_C) -#include "polarssl/md5.h" -#endif - -#if defined(POLARSSL_SHA1_C) -#include "polarssl/sha1.h" -#endif - -#if defined(POLARSSL_SHA2_C) -#include "polarssl/sha2.h" -#endif - -#if defined(POLARSSL_SHA4_C) -#include "polarssl/sha4.h" -#endif - -#include <stdlib.h> - -#if defined(POLARSSL_MD2_C) - -static void md2_starts_wrap( void *ctx ) -{ - md2_starts( (md2_context *) ctx ); -} - -static void md2_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - md2_update( (md2_context *) ctx, input, ilen ); -} - -static void md2_finish_wrap( void *ctx, unsigned char *output ) -{ - md2_finish( (md2_context *) ctx, output ); -} - -int md2_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return md2_file( path, output ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -static void md2_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - md2_hmac_starts( (md2_context *) ctx, key, keylen ); -} - -static void md2_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - md2_hmac_update( (md2_context *) ctx, input, ilen ); -} - -static void md2_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - md2_hmac_finish( (md2_context *) ctx, output ); -} - -static void md2_hmac_reset_wrap( void *ctx ) -{ - md2_hmac_reset( (md2_context *) ctx ); -} - -static void * md2_ctx_alloc( void ) -{ - return malloc( sizeof( md2_context ) ); -} - -static void md2_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t md2_info = { - POLARSSL_MD_MD2, - "MD2", - 16, - md2_starts_wrap, - md2_update_wrap, - md2_finish_wrap, - md2, - md2_file_wrap, - md2_hmac_starts_wrap, - md2_hmac_update_wrap, - md2_hmac_finish_wrap, - md2_hmac_reset_wrap, - md2_hmac, - md2_ctx_alloc, - md2_ctx_free, -}; - -#endif - -#if defined(POLARSSL_MD4_C) - -void md4_starts_wrap( void *ctx ) -{ - md4_starts( (md4_context *) ctx ); -} - -void md4_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - md4_update( (md4_context *) ctx, input, ilen ); -} - -void md4_finish_wrap( void *ctx, unsigned char *output ) -{ - md4_finish( (md4_context *) ctx, output ); -} - -int md4_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return md4_file( path, output ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -void md4_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - md4_hmac_starts( (md4_context *) ctx, key, keylen ); -} - -void md4_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - md4_hmac_update( (md4_context *) ctx, input, ilen ); -} - -void md4_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - md4_hmac_finish( (md4_context *) ctx, output ); -} - -void md4_hmac_reset_wrap( void *ctx ) -{ - md4_hmac_reset( (md4_context *) ctx ); -} - -void *md4_ctx_alloc( void ) -{ - return malloc( sizeof( md4_context ) ); -} - -void md4_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t md4_info = { - POLARSSL_MD_MD4, - "MD4", - 16, - md4_starts_wrap, - md4_update_wrap, - md4_finish_wrap, - md4, - md4_file_wrap, - md4_hmac_starts_wrap, - md4_hmac_update_wrap, - md4_hmac_finish_wrap, - md4_hmac_reset_wrap, - md4_hmac, - md4_ctx_alloc, - md4_ctx_free, -}; - -#endif - -#if defined(POLARSSL_MD5_C) - -static void md5_starts_wrap( void *ctx ) -{ - md5_starts( (md5_context *) ctx ); -} - -static void md5_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - md5_update( (md5_context *) ctx, input, ilen ); -} - -static void md5_finish_wrap( void *ctx, unsigned char *output ) -{ - md5_finish( (md5_context *) ctx, output ); -} - -int md5_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return md5_file( path, output ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -static void md5_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - md5_hmac_starts( (md5_context *) ctx, key, keylen ); -} - -static void md5_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - md5_hmac_update( (md5_context *) ctx, input, ilen ); -} - -static void md5_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - md5_hmac_finish( (md5_context *) ctx, output ); -} - -static void md5_hmac_reset_wrap( void *ctx ) -{ - md5_hmac_reset( (md5_context *) ctx ); -} - -static void * md5_ctx_alloc( void ) -{ - return malloc( sizeof( md5_context ) ); -} - -static void md5_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t md5_info = { - POLARSSL_MD_MD5, - "MD5", - 16, - md5_starts_wrap, - md5_update_wrap, - md5_finish_wrap, - md5, - md5_file_wrap, - md5_hmac_starts_wrap, - md5_hmac_update_wrap, - md5_hmac_finish_wrap, - md5_hmac_reset_wrap, - md5_hmac, - md5_ctx_alloc, - md5_ctx_free, -}; - -#endif - -#if defined(POLARSSL_SHA1_C) - -void sha1_starts_wrap( void *ctx ) -{ - sha1_starts( (sha1_context *) ctx ); -} - -void sha1_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha1_update( (sha1_context *) ctx, input, ilen ); -} - -void sha1_finish_wrap( void *ctx, unsigned char *output ) -{ - sha1_finish( (sha1_context *) ctx, output ); -} - -int sha1_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return sha1_file( path, output ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -void sha1_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - sha1_hmac_starts( (sha1_context *) ctx, key, keylen ); -} - -void sha1_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha1_hmac_update( (sha1_context *) ctx, input, ilen ); -} - -void sha1_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - sha1_hmac_finish( (sha1_context *) ctx, output ); -} - -void sha1_hmac_reset_wrap( void *ctx ) -{ - sha1_hmac_reset( (sha1_context *) ctx ); -} - -void * sha1_ctx_alloc( void ) -{ - return malloc( sizeof( sha1_context ) ); -} - -void sha1_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t sha1_info = { - POLARSSL_MD_SHA1, - "SHA1", - 20, - sha1_starts_wrap, - sha1_update_wrap, - sha1_finish_wrap, - sha1, - sha1_file_wrap, - sha1_hmac_starts_wrap, - sha1_hmac_update_wrap, - sha1_hmac_finish_wrap, - sha1_hmac_reset_wrap, - sha1_hmac, - sha1_ctx_alloc, - sha1_ctx_free, -}; - -#endif - -/* - * Wrappers for generic message digests - */ -#if defined(POLARSSL_SHA2_C) - -void sha224_starts_wrap( void *ctx ) -{ - sha2_starts( (sha2_context *) ctx, 1 ); -} - -void sha224_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha2_update( (sha2_context *) ctx, input, ilen ); -} - -void sha224_finish_wrap( void *ctx, unsigned char *output ) -{ - sha2_finish( (sha2_context *) ctx, output ); -} - -void sha224_wrap( const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha2( input, ilen, output, 1 ); -} - -int sha224_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return sha2_file( path, output, 1 ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -void sha224_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - sha2_hmac_starts( (sha2_context *) ctx, key, keylen, 1 ); -} - -void sha224_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha2_hmac_update( (sha2_context *) ctx, input, ilen ); -} - -void sha224_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - sha2_hmac_finish( (sha2_context *) ctx, output ); -} - -void sha224_hmac_reset_wrap( void *ctx ) -{ - sha2_hmac_reset( (sha2_context *) ctx ); -} - -void sha224_hmac_wrap( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha2_hmac( key, keylen, input, ilen, output, 1 ); -} - -void * sha224_ctx_alloc( void ) -{ - return malloc( sizeof( sha2_context ) ); -} - -void sha224_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t sha224_info = { - POLARSSL_MD_SHA224, - "SHA224", - 28, - sha224_starts_wrap, - sha224_update_wrap, - sha224_finish_wrap, - sha224_wrap, - sha224_file_wrap, - sha224_hmac_starts_wrap, - sha224_hmac_update_wrap, - sha224_hmac_finish_wrap, - sha224_hmac_reset_wrap, - sha224_hmac_wrap, - sha224_ctx_alloc, - sha224_ctx_free, -}; - -void sha256_starts_wrap( void *ctx ) -{ - sha2_starts( (sha2_context *) ctx, 0 ); -} - -void sha256_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha2_update( (sha2_context *) ctx, input, ilen ); -} - -void sha256_finish_wrap( void *ctx, unsigned char *output ) -{ - sha2_finish( (sha2_context *) ctx, output ); -} - -void sha256_wrap( const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha2( input, ilen, output, 0 ); -} - -int sha256_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return sha2_file( path, output, 0 ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -void sha256_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - sha2_hmac_starts( (sha2_context *) ctx, key, keylen, 0 ); -} - -void sha256_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha2_hmac_update( (sha2_context *) ctx, input, ilen ); -} - -void sha256_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - sha2_hmac_finish( (sha2_context *) ctx, output ); -} - -void sha256_hmac_reset_wrap( void *ctx ) -{ - sha2_hmac_reset( (sha2_context *) ctx ); -} - -void sha256_hmac_wrap( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha2_hmac( key, keylen, input, ilen, output, 0 ); -} - -void * sha256_ctx_alloc( void ) -{ - return malloc( sizeof( sha2_context ) ); -} - -void sha256_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t sha256_info = { - POLARSSL_MD_SHA256, - "SHA256", - 32, - sha256_starts_wrap, - sha256_update_wrap, - sha256_finish_wrap, - sha256_wrap, - sha256_file_wrap, - sha256_hmac_starts_wrap, - sha256_hmac_update_wrap, - sha256_hmac_finish_wrap, - sha256_hmac_reset_wrap, - sha256_hmac_wrap, - sha256_ctx_alloc, - sha256_ctx_free, -}; - -#endif - -#if defined(POLARSSL_SHA4_C) - -void sha384_starts_wrap( void *ctx ) -{ - sha4_starts( (sha4_context *) ctx, 1 ); -} - -void sha384_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha4_update( (sha4_context *) ctx, input, ilen ); -} - -void sha384_finish_wrap( void *ctx, unsigned char *output ) -{ - sha4_finish( (sha4_context *) ctx, output ); -} - -void sha384_wrap( const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha4( input, ilen, output, 1 ); -} - -int sha384_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return sha4_file( path, output, 1 ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -void sha384_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - sha4_hmac_starts( (sha4_context *) ctx, key, keylen, 1 ); -} - -void sha384_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha4_hmac_update( (sha4_context *) ctx, input, ilen ); -} - -void sha384_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - sha4_hmac_finish( (sha4_context *) ctx, output ); -} - -void sha384_hmac_reset_wrap( void *ctx ) -{ - sha4_hmac_reset( (sha4_context *) ctx ); -} - -void sha384_hmac_wrap( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha4_hmac( key, keylen, input, ilen, output, 1 ); -} - -void * sha384_ctx_alloc( void ) -{ - return malloc( sizeof( sha4_context ) ); -} - -void sha384_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t sha384_info = { - POLARSSL_MD_SHA384, - "SHA384", - 48, - sha384_starts_wrap, - sha384_update_wrap, - sha384_finish_wrap, - sha384_wrap, - sha384_file_wrap, - sha384_hmac_starts_wrap, - sha384_hmac_update_wrap, - sha384_hmac_finish_wrap, - sha384_hmac_reset_wrap, - sha384_hmac_wrap, - sha384_ctx_alloc, - sha384_ctx_free, -}; - -void sha512_starts_wrap( void *ctx ) -{ - sha4_starts( (sha4_context *) ctx, 0 ); -} - -void sha512_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha4_update( (sha4_context *) ctx, input, ilen ); -} - -void sha512_finish_wrap( void *ctx, unsigned char *output ) -{ - sha4_finish( (sha4_context *) ctx, output ); -} - -void sha512_wrap( const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha4( input, ilen, output, 0 ); -} - -int sha512_file_wrap( const char *path, unsigned char *output ) -{ -#if defined(POLARSSL_FS_IO) - return sha4_file( path, output, 0 ); -#else - ((void) path); - ((void) output); - return POLARSSL_ERR_MD_FEATURE_UNAVAILABLE; -#endif -} - -void sha512_hmac_starts_wrap( void *ctx, const unsigned char *key, size_t keylen ) -{ - sha4_hmac_starts( (sha4_context *) ctx, key, keylen, 0 ); -} - -void sha512_hmac_update_wrap( void *ctx, const unsigned char *input, size_t ilen ) -{ - sha4_hmac_update( (sha4_context *) ctx, input, ilen ); -} - -void sha512_hmac_finish_wrap( void *ctx, unsigned char *output ) -{ - sha4_hmac_finish( (sha4_context *) ctx, output ); -} - -void sha512_hmac_reset_wrap( void *ctx ) -{ - sha4_hmac_reset( (sha4_context *) ctx ); -} - -void sha512_hmac_wrap( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char *output ) -{ - sha4_hmac( key, keylen, input, ilen, output, 0 ); -} - -void * sha512_ctx_alloc( void ) -{ - return malloc( sizeof( sha4_context ) ); -} - -void sha512_ctx_free( void *ctx ) -{ - free( ctx ); -} - -const md_info_t sha512_info = { - POLARSSL_MD_SHA512, - "SHA512", - 64, - sha512_starts_wrap, - sha512_update_wrap, - sha512_finish_wrap, - sha512_wrap, - sha512_file_wrap, - sha512_hmac_starts_wrap, - sha512_hmac_update_wrap, - sha512_hmac_finish_wrap, - sha512_hmac_reset_wrap, - sha512_hmac_wrap, - sha512_ctx_alloc, - sha512_ctx_free, -}; - -#endif - -#endif diff --git a/polarssl/src/library/net.c b/polarssl/src/library/net.c deleted file mode 100644 index e30aebb..0000000 --- a/polarssl/src/library/net.c +++ /dev/null @@ -1,358 +0,0 @@ -/* - * TCP networking functions - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_NET_C) - -#include "polarssl/net.h" - -#if defined(_WIN32) || defined(_WIN32_WCE) - -#include <winsock2.h> -#include <windows.h> - -#if defined(_WIN32_WCE) -#pragma comment( lib, "ws2.lib" ) -#else -#pragma comment( lib, "ws2_32.lib" ) -#endif - -#define read(fd,buf,len) recv(fd,(char*)buf,(int) len,0) -#define write(fd,buf,len) send(fd,(char*)buf,(int) len,0) -#define close(fd) closesocket(fd) - -static int wsa_init_done = 0; - -#else - -#include <sys/types.h> -#include <sys/socket.h> -#include <netinet/in.h> -#include <arpa/inet.h> -#include <sys/time.h> -#include <unistd.h> -#include <signal.h> -#include <fcntl.h> -#include <netdb.h> -#include <errno.h> - -#if defined(__FreeBSD__) || defined(__OpenBSD__) -#include <sys/endian.h> -#elif defined(__APPLE__) -#include <machine/endian.h> -#elif defined(sun) -#include <sys/isa_defs.h> -#else -#include <endian.h> -#endif - -#endif - -#include <stdlib.h> -#include <stdio.h> -#include <time.h> - -/* - * htons() is not always available. - * By default go for LITTLE_ENDIAN variant. Otherwise hope for _BYTE_ORDER and __BIG_ENDIAN - * to help determine endianess. - */ -#if defined(__BYTE_ORDER) && defined(__BIG_ENDIAN) && __BYTE_ORDER == __BIG_ENDIAN -#define POLARSSL_HTONS(n) (n) -#else -#define POLARSSL_HTONS(n) (((((unsigned short)(n) & 0xFF)) << 8) | (((unsigned short)(n) & 0xFF00) >> 8)) -#endif - -unsigned short net_htons(unsigned short n); -#define net_htons(n) POLARSSL_HTONS(n) - -/* - * Initiate a TCP connection with host:port - */ -int net_connect( int *fd, const char *host, int port ) -{ - struct sockaddr_in server_addr; - struct hostent *server_host; - -#if defined(_WIN32) || defined(_WIN32_WCE) - WSADATA wsaData; - - if( wsa_init_done == 0 ) - { - if( WSAStartup( MAKEWORD(2,0), &wsaData ) == SOCKET_ERROR ) - return( POLARSSL_ERR_NET_SOCKET_FAILED ); - - wsa_init_done = 1; - } -#else - signal( SIGPIPE, SIG_IGN ); -#endif - - if( ( server_host = gethostbyname( host ) ) == NULL ) - return( POLARSSL_ERR_NET_UNKNOWN_HOST ); - - if( ( *fd = socket( AF_INET, SOCK_STREAM, IPPROTO_IP ) ) < 0 ) - return( POLARSSL_ERR_NET_SOCKET_FAILED ); - - memcpy( (void *) &server_addr.sin_addr, - (void *) server_host->h_addr, - server_host->h_length ); - - server_addr.sin_family = AF_INET; - server_addr.sin_port = net_htons( port ); - - if( connect( *fd, (struct sockaddr *) &server_addr, - sizeof( server_addr ) ) < 0 ) - { - close( *fd ); - return( POLARSSL_ERR_NET_CONNECT_FAILED ); - } - - return( 0 ); -} - -/* - * Create a listening socket on bind_ip:port - */ -int net_bind( int *fd, const char *bind_ip, int port ) -{ - int n, c[4]; - struct sockaddr_in server_addr; - -#if defined(_WIN32) || defined(_WIN32_WCE) - WSADATA wsaData; - - if( wsa_init_done == 0 ) - { - if( WSAStartup( MAKEWORD(2,0), &wsaData ) == SOCKET_ERROR ) - return( POLARSSL_ERR_NET_SOCKET_FAILED ); - - wsa_init_done = 1; - } -#else - signal( SIGPIPE, SIG_IGN ); -#endif - - if( ( *fd = socket( AF_INET, SOCK_STREAM, IPPROTO_IP ) ) < 0 ) - return( POLARSSL_ERR_NET_SOCKET_FAILED ); - - n = 1; - setsockopt( *fd, SOL_SOCKET, SO_REUSEADDR, - (const char *) &n, sizeof( n ) ); - - server_addr.sin_addr.s_addr = INADDR_ANY; - server_addr.sin_family = AF_INET; - server_addr.sin_port = net_htons( port ); - - if( bind_ip != NULL ) - { - memset( c, 0, sizeof( c ) ); - sscanf( bind_ip, "%d.%d.%d.%d", &c[0], &c[1], &c[2], &c[3] ); - - for( n = 0; n < 4; n++ ) - if( c[n] < 0 || c[n] > 255 ) - break; - - if( n == 4 ) - server_addr.sin_addr.s_addr = - ( (unsigned long) c[0] << 24 ) | - ( (unsigned long) c[1] << 16 ) | - ( (unsigned long) c[2] << 8 ) | - ( (unsigned long) c[3] ); - } - - if( bind( *fd, (struct sockaddr *) &server_addr, - sizeof( server_addr ) ) < 0 ) - { - close( *fd ); - return( POLARSSL_ERR_NET_BIND_FAILED ); - } - - if( listen( *fd, POLARSSL_NET_LISTEN_BACKLOG ) != 0 ) - { - close( *fd ); - return( POLARSSL_ERR_NET_LISTEN_FAILED ); - } - - return( 0 ); -} - -/* - * Check if the current operation is blocking - */ -static int net_is_blocking( void ) -{ -#if defined(_WIN32) || defined(_WIN32_WCE) - return( WSAGetLastError() == WSAEWOULDBLOCK ); -#else - switch( errno ) - { -#if defined EAGAIN - case EAGAIN: -#endif -#if defined EWOULDBLOCK && EWOULDBLOCK != EAGAIN - case EWOULDBLOCK: -#endif - return( 1 ); - } - return( 0 ); -#endif -} - -/* - * Accept a connection from a remote client - */ -int net_accept( int bind_fd, int *client_fd, void *client_ip ) -{ - struct sockaddr_in client_addr; - -#if defined(__socklen_t_defined) || defined(_SOCKLEN_T) || \ - defined(_SOCKLEN_T_DECLARED) - socklen_t n = (socklen_t) sizeof( client_addr ); -#else - int n = (int) sizeof( client_addr ); -#endif - - *client_fd = accept( bind_fd, (struct sockaddr *) - &client_addr, &n ); - - if( *client_fd < 0 ) - { - if( net_is_blocking() != 0 ) - return( POLARSSL_ERR_NET_WANT_READ ); - - return( POLARSSL_ERR_NET_ACCEPT_FAILED ); - } - - if( client_ip != NULL ) - memcpy( client_ip, &client_addr.sin_addr.s_addr, - sizeof( client_addr.sin_addr.s_addr ) ); - - return( 0 ); -} - -/* - * Set the socket blocking or non-blocking - */ -int net_set_block( int fd ) -{ -#if defined(_WIN32) || defined(_WIN32_WCE) - u_long n = 0; - return( ioctlsocket( fd, FIONBIO, &n ) ); -#else - return( fcntl( fd, F_SETFL, fcntl( fd, F_GETFL ) & ~O_NONBLOCK ) ); -#endif -} - -int net_set_nonblock( int fd ) -{ -#if defined(_WIN32) || defined(_WIN32_WCE) - u_long n = 1; - return( ioctlsocket( fd, FIONBIO, &n ) ); -#else - return( fcntl( fd, F_SETFL, fcntl( fd, F_GETFL ) | O_NONBLOCK ) ); -#endif -} - -/* - * Portable usleep helper - */ -void net_usleep( unsigned long usec ) -{ - struct timeval tv; - tv.tv_sec = 0; - tv.tv_usec = usec; - select( 0, NULL, NULL, NULL, &tv ); -} - -/* - * Read at most 'len' characters - */ -int net_recv( void *ctx, unsigned char *buf, size_t len ) -{ - int ret = read( *((int *) ctx), buf, len ); - - if( ret < 0 ) - { - if( net_is_blocking() != 0 ) - return( POLARSSL_ERR_NET_WANT_READ ); - -#if defined(_WIN32) || defined(_WIN32_WCE) - if( WSAGetLastError() == WSAECONNRESET ) - return( POLARSSL_ERR_NET_CONN_RESET ); -#else - if( errno == EPIPE || errno == ECONNRESET ) - return( POLARSSL_ERR_NET_CONN_RESET ); - - if( errno == EINTR ) - return( POLARSSL_ERR_NET_WANT_READ ); -#endif - - return( POLARSSL_ERR_NET_RECV_FAILED ); - } - - return( ret ); -} - -/* - * Write at most 'len' characters - */ -int net_send( void *ctx, const unsigned char *buf, size_t len ) -{ - int ret = write( *((int *) ctx), buf, len ); - - if( ret < 0 ) - { - if( net_is_blocking() != 0 ) - return( POLARSSL_ERR_NET_WANT_WRITE ); - -#if defined(_WIN32) || defined(_WIN32_WCE) - if( WSAGetLastError() == WSAECONNRESET ) - return( POLARSSL_ERR_NET_CONN_RESET ); -#else - if( errno == EPIPE || errno == ECONNRESET ) - return( POLARSSL_ERR_NET_CONN_RESET ); - - if( errno == EINTR ) - return( POLARSSL_ERR_NET_WANT_WRITE ); -#endif - - return( POLARSSL_ERR_NET_SEND_FAILED ); - } - - return( ret ); -} - -/* - * Gracefully close the connection - */ -void net_close( int fd ) -{ - shutdown( fd, 2 ); - close( fd ); -} - -#endif diff --git a/polarssl/src/library/padlock.c b/polarssl/src/library/padlock.c deleted file mode 100644 index 2e2e477..0000000 --- a/polarssl/src/library/padlock.c +++ /dev/null @@ -1,162 +0,0 @@ -/* - * VIA PadLock support functions - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * This implementation is based on the VIA PadLock Programming Guide: - * - * http://www.via.com.tw/en/downloads/whitepapers/initiatives/padlock/ - * programming_guide.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_PADLOCK_C) - -#include "polarssl/padlock.h" - -#if defined(POLARSSL_HAVE_X86) - -/* - * PadLock detection routine - */ -int padlock_supports( int feature ) -{ - static int flags = -1; - int ebx, edx; - - if( flags == -1 ) - { - asm( "movl %%ebx, %0 \n" \ - "movl $0xC0000000, %%eax \n" \ - "cpuid \n" \ - "cmpl $0xC0000001, %%eax \n" \ - "movl $0, %%edx \n" \ - "jb unsupported \n" \ - "movl $0xC0000001, %%eax \n" \ - "cpuid \n" \ - "unsupported: \n" \ - "movl %%edx, %1 \n" \ - "movl %2, %%ebx \n" - : "=m" (ebx), "=m" (edx) - : "m" (ebx) - : "eax", "ecx", "edx" ); - - flags = edx; - } - - return( flags & feature ); -} - -/* - * PadLock AES-ECB block en(de)cryption - */ -int padlock_xcryptecb( aes_context *ctx, - int mode, - const unsigned char input[16], - unsigned char output[16] ) -{ - int ebx; - unsigned long *rk; - unsigned long *blk; - unsigned long *ctrl; - unsigned char buf[256]; - - rk = ctx->rk; - blk = PADLOCK_ALIGN16( buf ); - memcpy( blk, input, 16 ); - - ctrl = blk + 4; - *ctrl = 0x80 | ctx->nr | ( ( ctx->nr + ( mode^1 ) - 10 ) << 9 ); - - asm( "pushfl; popfl \n" \ - "movl %%ebx, %0 \n" \ - "movl $1, %%ecx \n" \ - "movl %2, %%edx \n" \ - "movl %3, %%ebx \n" \ - "movl %4, %%esi \n" \ - "movl %4, %%edi \n" \ - ".byte 0xf3,0x0f,0xa7,0xc8\n" \ - "movl %1, %%ebx \n" - : "=m" (ebx) - : "m" (ebx), "m" (ctrl), "m" (rk), "m" (blk) - : "ecx", "edx", "esi", "edi" ); - - memcpy( output, blk, 16 ); - - return( 0 ); -} - -/* - * PadLock AES-CBC buffer en(de)cryption - */ -int padlock_xcryptcbc( aes_context *ctx, - int mode, - size_t length, - unsigned char iv[16], - const unsigned char *input, - unsigned char *output ) -{ - int ebx; - size_t count; - unsigned long *rk; - unsigned long *iw; - unsigned long *ctrl; - unsigned char buf[256]; - - if( ( (long) input & 15 ) != 0 || - ( (long) output & 15 ) != 0 ) - return( POLARSSL_ERR_PADLOCK_DATA_MISALIGNED ); - - rk = ctx->rk; - iw = PADLOCK_ALIGN16( buf ); - memcpy( iw, iv, 16 ); - - ctrl = iw + 4; - *ctrl = 0x80 | ctx->nr | ( ( ctx->nr + (mode^1) - 10 ) << 9 ); - - count = (length + 15) >> 4; - - asm( "pushfl; popfl \n" \ - "movl %%ebx, %0 \n" \ - "movl %2, %%ecx \n" \ - "movl %3, %%edx \n" \ - "movl %4, %%ebx \n" \ - "movl %5, %%esi \n" \ - "movl %6, %%edi \n" \ - "movl %7, %%eax \n" \ - ".byte 0xf3,0x0f,0xa7,0xd0\n" \ - "movl %1, %%ebx \n" - : "=m" (ebx) - : "m" (ebx), "m" (count), "m" (ctrl), - "m" (rk), "m" (input), "m" (output), "m" (iw) - : "eax", "ecx", "edx", "esi", "edi" ); - - memcpy( iv, iw, 16 ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/pem.c b/polarssl/src/library/pem.c deleted file mode 100644 index 33e74ab..0000000 --- a/polarssl/src/library/pem.c +++ /dev/null @@ -1,352 +0,0 @@ -/* - * Privacy Enhanced Mail (PEM) decoding - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_PEM_C) - -#include "polarssl/pem.h" -#include "polarssl/base64.h" -#include "polarssl/des.h" -#include "polarssl/aes.h" -#include "polarssl/md5.h" -#include "polarssl/cipher.h" - -#include <stdlib.h> - -void pem_init( pem_context *ctx ) -{ - memset( ctx, 0, sizeof( pem_context ) ); -} - -#if defined(POLARSSL_MD5_C) && (defined(POLARSSL_DES_C) || defined(POLARSSL_AES_C)) -/* - * Read a 16-byte hex string and convert it to binary - */ -static int pem_get_iv( const unsigned char *s, unsigned char *iv, size_t iv_len ) -{ - size_t i, j, k; - - memset( iv, 0, iv_len ); - - for( i = 0; i < iv_len * 2; i++, s++ ) - { - if( *s >= '0' && *s <= '9' ) j = *s - '0'; else - if( *s >= 'A' && *s <= 'F' ) j = *s - '7'; else - if( *s >= 'a' && *s <= 'f' ) j = *s - 'W'; else - return( POLARSSL_ERR_PEM_INVALID_ENC_IV ); - - k = ( ( i & 1 ) != 0 ) ? j : j << 4; - - iv[i >> 1] = (unsigned char)( iv[i >> 1] | k ); - } - - return( 0 ); -} - -static void pem_pbkdf1( unsigned char *key, size_t keylen, - unsigned char *iv, - const unsigned char *pwd, size_t pwdlen ) -{ - md5_context md5_ctx; - unsigned char md5sum[16]; - size_t use_len; - - /* - * key[ 0..15] = MD5(pwd || IV) - */ - md5_starts( &md5_ctx ); - md5_update( &md5_ctx, pwd, pwdlen ); - md5_update( &md5_ctx, iv, 8 ); - md5_finish( &md5_ctx, md5sum ); - - if( keylen <= 16 ) - { - memcpy( key, md5sum, keylen ); - - memset( &md5_ctx, 0, sizeof( md5_ctx ) ); - memset( md5sum, 0, 16 ); - return; - } - - memcpy( key, md5sum, 16 ); - - /* - * key[16..23] = MD5(key[ 0..15] || pwd || IV]) - */ - md5_starts( &md5_ctx ); - md5_update( &md5_ctx, md5sum, 16 ); - md5_update( &md5_ctx, pwd, pwdlen ); - md5_update( &md5_ctx, iv, 8 ); - md5_finish( &md5_ctx, md5sum ); - - use_len = 16; - if( keylen < 32 ) - use_len = keylen - 16; - - memcpy( key + 16, md5sum, use_len ); - - memset( &md5_ctx, 0, sizeof( md5_ctx ) ); - memset( md5sum, 0, 16 ); -} - -#if defined(POLARSSL_DES_C) -/* - * Decrypt with DES-CBC, using PBKDF1 for key derivation - */ -static void pem_des_decrypt( unsigned char des_iv[8], - unsigned char *buf, size_t buflen, - const unsigned char *pwd, size_t pwdlen ) -{ - des_context des_ctx; - unsigned char des_key[8]; - - pem_pbkdf1( des_key, 8, des_iv, pwd, pwdlen ); - - des_setkey_dec( &des_ctx, des_key ); - des_crypt_cbc( &des_ctx, DES_DECRYPT, buflen, - des_iv, buf, buf ); - - memset( &des_ctx, 0, sizeof( des_ctx ) ); - memset( des_key, 0, 8 ); -} - -/* - * Decrypt with 3DES-CBC, using PBKDF1 for key derivation - */ -static void pem_des3_decrypt( unsigned char des3_iv[8], - unsigned char *buf, size_t buflen, - const unsigned char *pwd, size_t pwdlen ) -{ - des3_context des3_ctx; - unsigned char des3_key[24]; - - pem_pbkdf1( des3_key, 24, des3_iv, pwd, pwdlen ); - - des3_set3key_dec( &des3_ctx, des3_key ); - des3_crypt_cbc( &des3_ctx, DES_DECRYPT, buflen, - des3_iv, buf, buf ); - - memset( &des3_ctx, 0, sizeof( des3_ctx ) ); - memset( des3_key, 0, 24 ); -} -#endif /* POLARSSL_DES_C */ - -#if defined(POLARSSL_AES_C) -/* - * Decrypt with AES-XXX-CBC, using PBKDF1 for key derivation - */ -static void pem_aes_decrypt( unsigned char aes_iv[16], unsigned int keylen, - unsigned char *buf, size_t buflen, - const unsigned char *pwd, size_t pwdlen ) -{ - aes_context aes_ctx; - unsigned char aes_key[32]; - - pem_pbkdf1( aes_key, keylen, aes_iv, pwd, pwdlen ); - - aes_setkey_dec( &aes_ctx, aes_key, keylen * 8 ); - aes_crypt_cbc( &aes_ctx, AES_DECRYPT, buflen, - aes_iv, buf, buf ); - - memset( &aes_ctx, 0, sizeof( aes_ctx ) ); - memset( aes_key, 0, keylen ); -} -#endif /* POLARSSL_AES_C */ - -#endif /* POLARSSL_MD5_C && (POLARSSL_AES_C || POLARSSL_DES_C) */ - -int pem_read_buffer( pem_context *ctx, char *header, char *footer, const unsigned char *data, const unsigned char *pwd, size_t pwdlen, size_t *use_len ) -{ - int ret, enc; - size_t len; - unsigned char *buf; - unsigned char *s1, *s2; -#if defined(POLARSSL_MD5_C) && (defined(POLARSSL_DES_C) || defined(POLARSSL_AES_C)) - unsigned char pem_iv[16]; - cipher_type_t enc_alg = POLARSSL_CIPHER_NONE; -#else - ((void) pwd); - ((void) pwdlen); -#endif /* POLARSSL_MD5_C && (POLARSSL_AES_C || POLARSSL_DES_C) */ - - if( ctx == NULL ) - return( POLARSSL_ERR_PEM_INVALID_DATA ); - - s1 = (unsigned char *) strstr( (char *) data, header ); - - if( s1 == NULL ) - return( POLARSSL_ERR_PEM_NO_HEADER_PRESENT ); - - s2 = (unsigned char *) strstr( (char *) data, footer ); - - if( s2 == NULL || s2 <= s1 ) - return( POLARSSL_ERR_PEM_INVALID_DATA ); - - s1 += strlen( header ); - if( *s1 == '\r' ) s1++; - if( *s1 == '\n' ) s1++; - else return( POLARSSL_ERR_PEM_INVALID_DATA ); - - enc = 0; - - if( memcmp( s1, "Proc-Type: 4,ENCRYPTED", 22 ) == 0 ) - { -#if defined(POLARSSL_MD5_C) && (defined(POLARSSL_DES_C) || defined(POLARSSL_AES_C)) - enc++; - - s1 += 22; - if( *s1 == '\r' ) s1++; - if( *s1 == '\n' ) s1++; - else return( POLARSSL_ERR_PEM_INVALID_DATA ); - - -#if defined(POLARSSL_DES_C) - if( memcmp( s1, "DEK-Info: DES-EDE3-CBC,", 23 ) == 0 ) - { - enc_alg = POLARSSL_CIPHER_DES_EDE3_CBC; - - s1 += 23; - if( pem_get_iv( s1, pem_iv, 8 ) != 0 ) - return( POLARSSL_ERR_PEM_INVALID_ENC_IV ); - - s1 += 16; - } - else if( memcmp( s1, "DEK-Info: DES-CBC,", 18 ) == 0 ) - { - enc_alg = POLARSSL_CIPHER_DES_CBC; - - s1 += 18; - if( pem_get_iv( s1, pem_iv, 8) != 0 ) - return( POLARSSL_ERR_PEM_INVALID_ENC_IV ); - - s1 += 16; - } -#endif /* POLARSSL_DES_C */ - -#if defined(POLARSSL_AES_C) - if( memcmp( s1, "DEK-Info: AES-", 14 ) == 0 ) - { - if( memcmp( s1, "DEK-Info: AES-128-CBC,", 22 ) == 0 ) - enc_alg = POLARSSL_CIPHER_AES_128_CBC; - else if( memcmp( s1, "DEK-Info: AES-192-CBC,", 22 ) == 0 ) - enc_alg = POLARSSL_CIPHER_AES_192_CBC; - else if( memcmp( s1, "DEK-Info: AES-256-CBC,", 22 ) == 0 ) - enc_alg = POLARSSL_CIPHER_AES_256_CBC; - else - return( POLARSSL_ERR_PEM_UNKNOWN_ENC_ALG ); - - s1 += 22; - if( pem_get_iv( s1, pem_iv, 16 ) != 0 ) - return( POLARSSL_ERR_PEM_INVALID_ENC_IV ); - - s1 += 32; - } -#endif /* POLARSSL_AES_C */ - - if( enc_alg == POLARSSL_CIPHER_NONE ) - return( POLARSSL_ERR_PEM_UNKNOWN_ENC_ALG ); - - if( *s1 == '\r' ) s1++; - if( *s1 == '\n' ) s1++; - else return( POLARSSL_ERR_PEM_INVALID_DATA ); -#else - return( POLARSSL_ERR_PEM_FEATURE_UNAVAILABLE ); -#endif /* POLARSSL_MD5_C && (POLARSSL_AES_C || POLARSSL_DES_C) */ - } - - len = 0; - ret = base64_decode( NULL, &len, s1, s2 - s1 ); - - if( ret == POLARSSL_ERR_BASE64_INVALID_CHARACTER ) - return( POLARSSL_ERR_PEM_INVALID_DATA + ret ); - - if( ( buf = (unsigned char *) malloc( len ) ) == NULL ) - return( POLARSSL_ERR_PEM_MALLOC_FAILED ); - - if( ( ret = base64_decode( buf, &len, s1, s2 - s1 ) ) != 0 ) - { - free( buf ); - return( POLARSSL_ERR_PEM_INVALID_DATA + ret ); - } - - if( enc != 0 ) - { -#if defined(POLARSSL_MD5_C) && (defined(POLARSSL_DES_C) || defined(POLARSSL_AES_C)) - if( pwd == NULL ) - { - free( buf ); - return( POLARSSL_ERR_PEM_PASSWORD_REQUIRED ); - } - -#if defined(POLARSSL_DES_C) - if( enc_alg == POLARSSL_CIPHER_DES_EDE3_CBC ) - pem_des3_decrypt( pem_iv, buf, len, pwd, pwdlen ); - else if( enc_alg == POLARSSL_CIPHER_DES_CBC ) - pem_des_decrypt( pem_iv, buf, len, pwd, pwdlen ); -#endif /* POLARSSL_DES_C */ - -#if defined(POLARSSL_AES_C) - if( enc_alg == POLARSSL_CIPHER_AES_128_CBC ) - pem_aes_decrypt( pem_iv, 16, buf, len, pwd, pwdlen ); - else if( enc_alg == POLARSSL_CIPHER_AES_192_CBC ) - pem_aes_decrypt( pem_iv, 24, buf, len, pwd, pwdlen ); - else if( enc_alg == POLARSSL_CIPHER_AES_256_CBC ) - pem_aes_decrypt( pem_iv, 32, buf, len, pwd, pwdlen ); -#endif /* POLARSSL_AES_C */ - - if( buf[0] != 0x30 || buf[1] != 0x82 || - buf[4] != 0x02 || buf[5] != 0x01 ) - { - free( buf ); - return( POLARSSL_ERR_PEM_PASSWORD_MISMATCH ); - } -#else - return( POLARSSL_ERR_PEM_FEATURE_UNAVAILABLE ); -#endif - } - - ctx->buf = buf; - ctx->buflen = len; - s2 += strlen( footer ); - if( *s2 == '\r' ) s2++; - if( *s2 == '\n' ) s2++; - *use_len = s2 - data; - - return( 0 ); -} - -void pem_free( pem_context *ctx ) -{ - if( ctx->buf ) - free( ctx->buf ); - - if( ctx->info ) - free( ctx->info ); - - memset( ctx, 0, sizeof( pem_context ) ); -} - -#endif diff --git a/polarssl/src/library/pkcs11.c b/polarssl/src/library/pkcs11.c deleted file mode 100644 index b71415a..0000000 --- a/polarssl/src/library/pkcs11.c +++ /dev/null @@ -1,238 +0,0 @@ -/** - * \file pkcs11.c - * - * \brief Wrapper for PKCS#11 library libpkcs11-helper - * - * \author Adriaan de Jong <dejong@fox-it.com> - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/pkcs11.h" - -#if defined(POLARSSL_PKCS11_C) - -#include <stdlib.h> - -int pkcs11_x509_cert_init( x509_cert *cert, pkcs11h_certificate_t pkcs11_cert ) -{ - int ret = 1; - unsigned char *cert_blob = NULL; - size_t cert_blob_size = 0; - - if( cert == NULL ) - { - ret = 2; - goto cleanup; - } - - if( pkcs11h_certificate_getCertificateBlob( pkcs11_cert, NULL, &cert_blob_size ) != CKR_OK ) - { - ret = 3; - goto cleanup; - } - - cert_blob = malloc( cert_blob_size ); - if( NULL == cert_blob ) - { - ret = 4; - goto cleanup; - } - - if( pkcs11h_certificate_getCertificateBlob( pkcs11_cert, cert_blob, &cert_blob_size ) != CKR_OK ) - { - ret = 5; - goto cleanup; - } - - if( 0 != x509parse_crt(cert, cert_blob, cert_blob_size ) ) - { - ret = 6; - goto cleanup; - } - - ret = 0; - -cleanup: - if( NULL != cert_blob ) - free( cert_blob ); - - return ret; -} - - -int pkcs11_priv_key_init( pkcs11_context *priv_key, - pkcs11h_certificate_t pkcs11_cert ) -{ - int ret = 1; - x509_cert cert; - - memset( &cert, 0, sizeof( cert ) ); - - if( priv_key == NULL ) - goto cleanup; - - if( 0 != pkcs11_x509_cert_init( &cert, pkcs11_cert ) ) - goto cleanup; - - priv_key->len = cert.rsa.len; - priv_key->pkcs11h_cert = pkcs11_cert; - - ret = 0; - -cleanup: - x509_free( &cert ); - - return ret; -} - -void pkcs11_priv_key_free( pkcs11_context *priv_key ) -{ - if( NULL != priv_key ) - pkcs11h_certificate_freeCertificate( priv_key->pkcs11h_cert ); -} - -int pkcs11_decrypt( pkcs11_context *ctx, - int mode, size_t *olen, - const unsigned char *input, - unsigned char *output, - unsigned int output_max_len ) -{ - size_t input_len, output_len; - - if( NULL == ctx ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - if( RSA_PUBLIC == mode ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - output_len = input_len = ctx->len; - - if( input_len < 16 || input_len > output_max_len ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - /* Determine size of output buffer */ - if( pkcs11h_certificate_decryptAny( ctx->pkcs11h_cert, CKM_RSA_PKCS, input, - input_len, NULL, &output_len ) != CKR_OK ) - { - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - if( output_len > output_max_len ) - return( POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE ); - - if( pkcs11h_certificate_decryptAny( ctx->pkcs11h_cert, CKM_RSA_PKCS, input, - input_len, output, &output_len ) != CKR_OK ) - { - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - *olen = output_len; - return( 0 ); -} - -int pkcs11_sign( pkcs11_context *ctx, - int mode, - int hash_id, - unsigned int hashlen, - const unsigned char *hash, - unsigned char *sig ) -{ - size_t olen, asn_len; - unsigned char *p = sig; - - if( NULL == ctx ) - return POLARSSL_ERR_RSA_BAD_INPUT_DATA; - - if( RSA_PUBLIC == mode ) - return POLARSSL_ERR_RSA_BAD_INPUT_DATA; - - olen = ctx->len; - - switch( hash_id ) - { - case SIG_RSA_RAW: - asn_len = 0; - memcpy( p, hash, hashlen ); - break; - - case SIG_RSA_MD2: - asn_len = OID_SIZE(ASN1_HASH_MDX); - memcpy( p, ASN1_HASH_MDX, asn_len ); - memcpy( p + asn_len, hash, hashlen ); - p[13] = 2; break; - - case SIG_RSA_MD4: - asn_len = OID_SIZE(ASN1_HASH_MDX); - memcpy( p, ASN1_HASH_MDX, asn_len ); - memcpy( p + asn_len, hash, hashlen ); - p[13] = 4; break; - - case SIG_RSA_MD5: - asn_len = OID_SIZE(ASN1_HASH_MDX); - memcpy( p, ASN1_HASH_MDX, asn_len ); - memcpy( p + asn_len, hash, hashlen ); - p[13] = 5; break; - - case SIG_RSA_SHA1: - asn_len = OID_SIZE(ASN1_HASH_SHA1); - memcpy( p, ASN1_HASH_SHA1, asn_len ); - memcpy( p + 15, hash, hashlen ); - break; - - case SIG_RSA_SHA224: - asn_len = OID_SIZE(ASN1_HASH_SHA2X); - memcpy( p, ASN1_HASH_SHA2X, asn_len ); - memcpy( p + asn_len, hash, hashlen ); - p[1] += hashlen; p[14] = 4; p[18] += hashlen; break; - - case SIG_RSA_SHA256: - asn_len = OID_SIZE(ASN1_HASH_SHA2X); - memcpy( p, ASN1_HASH_SHA2X, asn_len ); - memcpy( p + asn_len, hash, hashlen ); - p[1] += hashlen; p[14] = 1; p[18] += hashlen; break; - - case SIG_RSA_SHA384: - asn_len = OID_SIZE(ASN1_HASH_SHA2X); - memcpy( p, ASN1_HASH_SHA2X, asn_len ); - memcpy( p + asn_len, hash, hashlen ); - p[1] += hashlen; p[14] = 2; p[18] += hashlen; break; - - case SIG_RSA_SHA512: - asn_len = OID_SIZE(ASN1_HASH_SHA2X); - memcpy( p, ASN1_HASH_SHA2X, asn_len ); - memcpy( p + asn_len, hash, hashlen ); - p[1] += hashlen; p[14] = 3; p[18] += hashlen; break; - - default: - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - if( pkcs11h_certificate_signAny( ctx->pkcs11h_cert, CKM_RSA_PKCS, sig, - asn_len + hashlen, sig, &olen ) != CKR_OK ) - { - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - return( 0 ); -} - -#endif /* defined(POLARSSL_PKCS11_C) */ diff --git a/polarssl/src/library/rsa.c b/polarssl/src/library/rsa.c deleted file mode 100644 index 72806e1..0000000 --- a/polarssl/src/library/rsa.c +++ /dev/null @@ -1,1219 +0,0 @@ -/* - * The RSA public-key cryptosystem - * - * Copyright (C) 2006-2011, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * RSA was designed by Ron Rivest, Adi Shamir and Len Adleman. - * - * http://theory.lcs.mit.edu/~rivest/rsapaper.pdf - * http://www.cacr.math.uwaterloo.ca/hac/about/chap8.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_RSA_C) - -#include "polarssl/rsa.h" -#include "polarssl/md.h" - -#include <stdlib.h> -#include <stdio.h> - -/* - * Initialize an RSA context - */ -void rsa_init( rsa_context *ctx, - int padding, - int hash_id ) -{ - memset( ctx, 0, sizeof( rsa_context ) ); - - ctx->padding = padding; - ctx->hash_id = hash_id; -} - -#if defined(POLARSSL_GENPRIME) - -/* - * Generate an RSA keypair - */ -int rsa_gen_key( rsa_context *ctx, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng, - unsigned int nbits, int exponent ) -{ - int ret; - mpi P1, Q1, H, G; - - if( f_rng == NULL || nbits < 128 || exponent < 3 ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - mpi_init( &P1 ); mpi_init( &Q1 ); mpi_init( &H ); mpi_init( &G ); - - /* - * find primes P and Q with Q < P so that: - * GCD( E, (P-1)*(Q-1) ) == 1 - */ - MPI_CHK( mpi_lset( &ctx->E, exponent ) ); - - do - { - MPI_CHK( mpi_gen_prime( &ctx->P, ( nbits + 1 ) >> 1, 0, - f_rng, p_rng ) ); - - MPI_CHK( mpi_gen_prime( &ctx->Q, ( nbits + 1 ) >> 1, 0, - f_rng, p_rng ) ); - - if( mpi_cmp_mpi( &ctx->P, &ctx->Q ) < 0 ) - mpi_swap( &ctx->P, &ctx->Q ); - - if( mpi_cmp_mpi( &ctx->P, &ctx->Q ) == 0 ) - continue; - - MPI_CHK( mpi_mul_mpi( &ctx->N, &ctx->P, &ctx->Q ) ); - if( mpi_msb( &ctx->N ) != nbits ) - continue; - - MPI_CHK( mpi_sub_int( &P1, &ctx->P, 1 ) ); - MPI_CHK( mpi_sub_int( &Q1, &ctx->Q, 1 ) ); - MPI_CHK( mpi_mul_mpi( &H, &P1, &Q1 ) ); - MPI_CHK( mpi_gcd( &G, &ctx->E, &H ) ); - } - while( mpi_cmp_int( &G, 1 ) != 0 ); - - /* - * D = E^-1 mod ((P-1)*(Q-1)) - * DP = D mod (P - 1) - * DQ = D mod (Q - 1) - * QP = Q^-1 mod P - */ - MPI_CHK( mpi_inv_mod( &ctx->D , &ctx->E, &H ) ); - MPI_CHK( mpi_mod_mpi( &ctx->DP, &ctx->D, &P1 ) ); - MPI_CHK( mpi_mod_mpi( &ctx->DQ, &ctx->D, &Q1 ) ); - MPI_CHK( mpi_inv_mod( &ctx->QP, &ctx->Q, &ctx->P ) ); - - ctx->len = ( mpi_msb( &ctx->N ) + 7 ) >> 3; - -cleanup: - - mpi_free( &P1 ); mpi_free( &Q1 ); mpi_free( &H ); mpi_free( &G ); - - if( ret != 0 ) - { - rsa_free( ctx ); - return( POLARSSL_ERR_RSA_KEY_GEN_FAILED + ret ); - } - - return( 0 ); -} - -#endif - -/* - * Check a public RSA key - */ -int rsa_check_pubkey( const rsa_context *ctx ) -{ - if( !ctx->N.p || !ctx->E.p ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - if( ( ctx->N.p[0] & 1 ) == 0 || - ( ctx->E.p[0] & 1 ) == 0 ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - if( mpi_msb( &ctx->N ) < 128 || - mpi_msb( &ctx->N ) > POLARSSL_MPI_MAX_BITS ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - if( mpi_msb( &ctx->E ) < 2 || - mpi_msb( &ctx->E ) > 64 ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - return( 0 ); -} - -/* - * Check a private RSA key - */ -int rsa_check_privkey( const rsa_context *ctx ) -{ - int ret; - mpi PQ, DE, P1, Q1, H, I, G, G2, L1, L2; - - if( ( ret = rsa_check_pubkey( ctx ) ) != 0 ) - return( ret ); - - if( !ctx->P.p || !ctx->Q.p || !ctx->D.p ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED ); - - mpi_init( &PQ ); mpi_init( &DE ); mpi_init( &P1 ); mpi_init( &Q1 ); - mpi_init( &H ); mpi_init( &I ); mpi_init( &G ); mpi_init( &G2 ); - mpi_init( &L1 ); mpi_init( &L2 ); - - MPI_CHK( mpi_mul_mpi( &PQ, &ctx->P, &ctx->Q ) ); - MPI_CHK( mpi_mul_mpi( &DE, &ctx->D, &ctx->E ) ); - MPI_CHK( mpi_sub_int( &P1, &ctx->P, 1 ) ); - MPI_CHK( mpi_sub_int( &Q1, &ctx->Q, 1 ) ); - MPI_CHK( mpi_mul_mpi( &H, &P1, &Q1 ) ); - MPI_CHK( mpi_gcd( &G, &ctx->E, &H ) ); - - MPI_CHK( mpi_gcd( &G2, &P1, &Q1 ) ); - MPI_CHK( mpi_div_mpi( &L1, &L2, &H, &G2 ) ); - MPI_CHK( mpi_mod_mpi( &I, &DE, &L1 ) ); - - /* - * Check for a valid PKCS1v2 private key - */ - if( mpi_cmp_mpi( &PQ, &ctx->N ) != 0 || - mpi_cmp_int( &L2, 0 ) != 0 || - mpi_cmp_int( &I, 1 ) != 0 || - mpi_cmp_int( &G, 1 ) != 0 ) - { - ret = POLARSSL_ERR_RSA_KEY_CHECK_FAILED; - } - - -cleanup: - - mpi_free( &PQ ); mpi_free( &DE ); mpi_free( &P1 ); mpi_free( &Q1 ); - mpi_free( &H ); mpi_free( &I ); mpi_free( &G ); mpi_free( &G2 ); - mpi_free( &L1 ); mpi_free( &L2 ); - - if( ret == POLARSSL_ERR_RSA_KEY_CHECK_FAILED ) - return( ret ); - - if( ret != 0 ) - return( POLARSSL_ERR_RSA_KEY_CHECK_FAILED + ret ); - - return( 0 ); -} - -/* - * Do an RSA public key operation - */ -int rsa_public( rsa_context *ctx, - const unsigned char *input, - unsigned char *output ) -{ - int ret; - size_t olen; - mpi T; - - mpi_init( &T ); - - MPI_CHK( mpi_read_binary( &T, input, ctx->len ) ); - - if( mpi_cmp_mpi( &T, &ctx->N ) >= 0 ) - { - mpi_free( &T ); - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - olen = ctx->len; - MPI_CHK( mpi_exp_mod( &T, &T, &ctx->E, &ctx->N, &ctx->RN ) ); - MPI_CHK( mpi_write_binary( &T, output, olen ) ); - -cleanup: - - mpi_free( &T ); - - if( ret != 0 ) - return( POLARSSL_ERR_RSA_PUBLIC_FAILED + ret ); - - return( 0 ); -} - -/* - * Do an RSA private key operation - */ -int rsa_private( rsa_context *ctx, - const unsigned char *input, - unsigned char *output ) -{ - int ret; - size_t olen; - mpi T, T1, T2; - - mpi_init( &T ); mpi_init( &T1 ); mpi_init( &T2 ); - - MPI_CHK( mpi_read_binary( &T, input, ctx->len ) ); - - if( mpi_cmp_mpi( &T, &ctx->N ) >= 0 ) - { - mpi_free( &T ); - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - -#if defined(POLARSSL_RSA_NO_CRT) - MPI_CHK( mpi_exp_mod( &T, &T, &ctx->D, &ctx->N, &ctx->RN ) ); -#else - /* - * faster decryption using the CRT - * - * T1 = input ^ dP mod P - * T2 = input ^ dQ mod Q - */ - MPI_CHK( mpi_exp_mod( &T1, &T, &ctx->DP, &ctx->P, &ctx->RP ) ); - MPI_CHK( mpi_exp_mod( &T2, &T, &ctx->DQ, &ctx->Q, &ctx->RQ ) ); - - /* - * T = (T1 - T2) * (Q^-1 mod P) mod P - */ - MPI_CHK( mpi_sub_mpi( &T, &T1, &T2 ) ); - MPI_CHK( mpi_mul_mpi( &T1, &T, &ctx->QP ) ); - MPI_CHK( mpi_mod_mpi( &T, &T1, &ctx->P ) ); - - /* - * output = T2 + T * Q - */ - MPI_CHK( mpi_mul_mpi( &T1, &T, &ctx->Q ) ); - MPI_CHK( mpi_add_mpi( &T, &T2, &T1 ) ); -#endif - - olen = ctx->len; - MPI_CHK( mpi_write_binary( &T, output, olen ) ); - -cleanup: - - mpi_free( &T ); mpi_free( &T1 ); mpi_free( &T2 ); - - if( ret != 0 ) - return( POLARSSL_ERR_RSA_PRIVATE_FAILED + ret ); - - return( 0 ); -} - -#if defined(POLARSSL_PKCS1_V21) -/** - * Generate and apply the MGF1 operation (from PKCS#1 v2.1) to a buffer. - * - * \param dst buffer to mask - * \param dlen length of destination buffer - * \param src source of the mask generation - * \param slen length of the source buffer - * \param md_ctx message digest context to use - */ -static void mgf_mask( unsigned char *dst, size_t dlen, unsigned char *src, size_t slen, - md_context_t *md_ctx ) -{ - unsigned char mask[POLARSSL_MD_MAX_SIZE]; - unsigned char counter[4]; - unsigned char *p; - unsigned int hlen; - size_t i, use_len; - - memset( mask, 0, POLARSSL_MD_MAX_SIZE ); - memset( counter, 0, 4 ); - - hlen = md_ctx->md_info->size; - - // Generate and apply dbMask - // - p = dst; - - while( dlen > 0 ) - { - use_len = hlen; - if( dlen < hlen ) - use_len = dlen; - - md_starts( md_ctx ); - md_update( md_ctx, src, slen ); - md_update( md_ctx, counter, 4 ); - md_finish( md_ctx, mask ); - - for( i = 0; i < use_len; ++i ) - *p++ ^= mask[i]; - - counter[3]++; - - dlen -= use_len; - } -} -#endif - -/* - * Add the message padding, then do an RSA operation - */ -int rsa_pkcs1_encrypt( rsa_context *ctx, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng, - int mode, size_t ilen, - const unsigned char *input, - unsigned char *output ) -{ - size_t nb_pad, olen; - int ret; - unsigned char *p = output; -#if defined(POLARSSL_PKCS1_V21) - unsigned int hlen; - const md_info_t *md_info; - md_context_t md_ctx; -#endif - - olen = ctx->len; - - if( f_rng == NULL ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - if( olen < ilen + 11 ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - nb_pad = olen - 3 - ilen; - - *p++ = 0; - *p++ = RSA_CRYPT; - - while( nb_pad-- > 0 ) - { - int rng_dl = 100; - - do { - ret = f_rng( p_rng, p, 1 ); - } while( *p == 0 && --rng_dl && ret == 0 ); - - // Check if RNG failed to generate data - // - if( rng_dl == 0 || ret != 0) - return POLARSSL_ERR_RSA_RNG_FAILED + ret; - - p++; - } - *p++ = 0; - memcpy( p, input, ilen ); - break; - -#if defined(POLARSSL_PKCS1_V21) - case RSA_PKCS_V21: - - md_info = md_info_from_type( ctx->hash_id ); - if( md_info == NULL ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - hlen = md_get_size( md_info ); - - if( olen < ilen + 2 * hlen + 2 || f_rng == NULL ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - memset( output, 0, olen ); - memset( &md_ctx, 0, sizeof( md_context_t ) ); - - md_init_ctx( &md_ctx, md_info ); - - *p++ = 0; - - // Generate a random octet string seed - // - if( ( ret = f_rng( p_rng, p, hlen ) ) != 0 ) - return( POLARSSL_ERR_RSA_RNG_FAILED + ret ); - - p += hlen; - - // Construct DB - // - md( md_info, p, 0, p ); - p += hlen; - p += olen - 2 * hlen - 2 - ilen; - *p++ = 1; - memcpy( p, input, ilen ); - - // maskedDB: Apply dbMask to DB - // - mgf_mask( output + hlen + 1, olen - hlen - 1, output + 1, hlen, - &md_ctx ); - - // maskedSeed: Apply seedMask to seed - // - mgf_mask( output + 1, hlen, output + hlen + 1, olen - hlen - 1, - &md_ctx ); - break; -#endif - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - return( ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, output, output ) - : rsa_private( ctx, output, output ) ); -} - -/* - * Do an RSA operation, then remove the message padding - */ -int rsa_pkcs1_decrypt( rsa_context *ctx, - int mode, size_t *olen, - const unsigned char *input, - unsigned char *output, - size_t output_max_len) -{ - int ret; - size_t ilen; - unsigned char *p; - unsigned char buf[1024]; -#if defined(POLARSSL_PKCS1_V21) - unsigned char lhash[POLARSSL_MD_MAX_SIZE]; - unsigned int hlen; - const md_info_t *md_info; - md_context_t md_ctx; -#endif - - ilen = ctx->len; - - if( ilen < 16 || ilen > sizeof( buf ) ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - ret = ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, input, buf ) - : rsa_private( ctx, input, buf ); - - if( ret != 0 ) - return( ret ); - - p = buf; - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - if( *p++ != 0 || *p++ != RSA_CRYPT ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - while( *p != 0 ) - { - if( p >= buf + ilen - 1 ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - p++; - } - p++; - break; - -#if defined(POLARSSL_PKCS1_V21) - case RSA_PKCS_V21: - - if( *p++ != 0 ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - md_info = md_info_from_type( ctx->hash_id ); - if( md_info == NULL ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - hlen = md_get_size( md_info ); - memset( &md_ctx, 0, sizeof( md_context_t ) ); - - md_init_ctx( &md_ctx, md_info ); - - // Generate lHash - // - md( md_info, lhash, 0, lhash ); - - // seed: Apply seedMask to maskedSeed - // - mgf_mask( buf + 1, hlen, buf + hlen + 1, ilen - hlen - 1, - &md_ctx ); - - // DB: Apply dbMask to maskedDB - // - mgf_mask( buf + hlen + 1, ilen - hlen - 1, buf + 1, hlen, - &md_ctx ); - - p += hlen; - - // Check validity - // - if( memcmp( lhash, p, hlen ) != 0 ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - p += hlen; - - while( *p == 0 && p < buf + ilen ) - p++; - - if( p == buf + ilen ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - if( *p++ != 0x01 ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - break; -#endif - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - if (ilen - (p - buf) > output_max_len) - return( POLARSSL_ERR_RSA_OUTPUT_TOO_LARGE ); - - *olen = ilen - (p - buf); - memcpy( output, p, *olen ); - - return( 0 ); -} - -/* - * Do an RSA operation to sign the message digest - */ -int rsa_pkcs1_sign( rsa_context *ctx, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng, - int mode, - int hash_id, - unsigned int hashlen, - const unsigned char *hash, - unsigned char *sig ) -{ - size_t nb_pad, olen; - unsigned char *p = sig; -#if defined(POLARSSL_PKCS1_V21) - unsigned char salt[POLARSSL_MD_MAX_SIZE]; - unsigned int slen, hlen, offset = 0; - int ret; - size_t msb; - const md_info_t *md_info; - md_context_t md_ctx; -#else - (void) f_rng; - (void) p_rng; -#endif - - olen = ctx->len; - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - switch( hash_id ) - { - case SIG_RSA_RAW: - nb_pad = olen - 3 - hashlen; - break; - - case SIG_RSA_MD2: - case SIG_RSA_MD4: - case SIG_RSA_MD5: - nb_pad = olen - 3 - 34; - break; - - case SIG_RSA_SHA1: - nb_pad = olen - 3 - 35; - break; - - case SIG_RSA_SHA224: - nb_pad = olen - 3 - 47; - break; - - case SIG_RSA_SHA256: - nb_pad = olen - 3 - 51; - break; - - case SIG_RSA_SHA384: - nb_pad = olen - 3 - 67; - break; - - case SIG_RSA_SHA512: - nb_pad = olen - 3 - 83; - break; - - - default: - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - if( nb_pad < 8 ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - *p++ = 0; - *p++ = RSA_SIGN; - memset( p, 0xFF, nb_pad ); - p += nb_pad; - *p++ = 0; - - switch( hash_id ) - { - case SIG_RSA_RAW: - memcpy( p, hash, hashlen ); - break; - - case SIG_RSA_MD2: - memcpy( p, ASN1_HASH_MDX, 18 ); - memcpy( p + 18, hash, 16 ); - p[13] = 2; break; - - case SIG_RSA_MD4: - memcpy( p, ASN1_HASH_MDX, 18 ); - memcpy( p + 18, hash, 16 ); - p[13] = 4; break; - - case SIG_RSA_MD5: - memcpy( p, ASN1_HASH_MDX, 18 ); - memcpy( p + 18, hash, 16 ); - p[13] = 5; break; - - case SIG_RSA_SHA1: - memcpy( p, ASN1_HASH_SHA1, 15 ); - memcpy( p + 15, hash, 20 ); - break; - - case SIG_RSA_SHA224: - memcpy( p, ASN1_HASH_SHA2X, 19 ); - memcpy( p + 19, hash, 28 ); - p[1] += 28; p[14] = 4; p[18] += 28; break; - - case SIG_RSA_SHA256: - memcpy( p, ASN1_HASH_SHA2X, 19 ); - memcpy( p + 19, hash, 32 ); - p[1] += 32; p[14] = 1; p[18] += 32; break; - - case SIG_RSA_SHA384: - memcpy( p, ASN1_HASH_SHA2X, 19 ); - memcpy( p + 19, hash, 48 ); - p[1] += 48; p[14] = 2; p[18] += 48; break; - - case SIG_RSA_SHA512: - memcpy( p, ASN1_HASH_SHA2X, 19 ); - memcpy( p + 19, hash, 64 ); - p[1] += 64; p[14] = 3; p[18] += 64; break; - - default: - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - break; - -#if defined(POLARSSL_PKCS1_V21) - case RSA_PKCS_V21: - - if( f_rng == NULL ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - switch( hash_id ) - { - case SIG_RSA_MD2: - case SIG_RSA_MD4: - case SIG_RSA_MD5: - hashlen = 16; - break; - - case SIG_RSA_SHA1: - hashlen = 20; - break; - - case SIG_RSA_SHA224: - hashlen = 28; - break; - - case SIG_RSA_SHA256: - hashlen = 32; - break; - - case SIG_RSA_SHA384: - hashlen = 48; - break; - - case SIG_RSA_SHA512: - hashlen = 64; - break; - - default: - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - md_info = md_info_from_type( ctx->hash_id ); - if( md_info == NULL ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - hlen = md_get_size( md_info ); - slen = hlen; - - memset( sig, 0, olen ); - memset( &md_ctx, 0, sizeof( md_context_t ) ); - - md_init_ctx( &md_ctx, md_info ); - - msb = mpi_msb( &ctx->N ) - 1; - - // Generate salt of length slen - // - if( ( ret = f_rng( p_rng, salt, slen ) ) != 0 ) - return( POLARSSL_ERR_RSA_RNG_FAILED + ret ); - - // Note: EMSA-PSS encoding is over the length of N - 1 bits - // - msb = mpi_msb( &ctx->N ) - 1; - p += olen - hlen * 2 - 2; - *p++ = 0x01; - memcpy( p, salt, slen ); - p += slen; - - // Generate H = Hash( M' ) - // - md_starts( &md_ctx ); - md_update( &md_ctx, p, 8 ); - md_update( &md_ctx, hash, hashlen ); - md_update( &md_ctx, salt, slen ); - md_finish( &md_ctx, p ); - - // Compensate for boundary condition when applying mask - // - if( msb % 8 == 0 ) - offset = 1; - - // maskedDB: Apply dbMask to DB - // - mgf_mask( sig + offset, olen - hlen - 1 - offset, p, hlen, &md_ctx ); - - msb = mpi_msb( &ctx->N ) - 1; - sig[0] &= 0xFF >> ( olen * 8 - msb ); - - p += hlen; - *p++ = 0xBC; - break; -#endif - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - return( ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, sig, sig ) - : rsa_private( ctx, sig, sig ) ); -} - -/* - * Do an RSA operation and check the message digest - */ -int rsa_pkcs1_verify( rsa_context *ctx, - int mode, - int hash_id, - unsigned int hashlen, - const unsigned char *hash, - unsigned char *sig ) -{ - int ret; - size_t len, siglen; - unsigned char *p, c; - unsigned char buf[1024]; -#if defined(POLARSSL_PKCS1_V21) - unsigned char result[POLARSSL_MD_MAX_SIZE]; - unsigned char zeros[8]; - unsigned int hlen; - size_t slen, msb; - const md_info_t *md_info; - md_context_t md_ctx; -#endif - siglen = ctx->len; - - if( siglen < 16 || siglen > sizeof( buf ) ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - ret = ( mode == RSA_PUBLIC ) - ? rsa_public( ctx, sig, buf ) - : rsa_private( ctx, sig, buf ); - - if( ret != 0 ) - return( ret ); - - p = buf; - - switch( ctx->padding ) - { - case RSA_PKCS_V15: - - if( *p++ != 0 || *p++ != RSA_SIGN ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - while( *p != 0 ) - { - if( p >= buf + siglen - 1 || *p != 0xFF ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - p++; - } - p++; - - len = siglen - ( p - buf ); - - if( len == 33 && hash_id == SIG_RSA_SHA1 ) - { - if( memcmp( p, ASN1_HASH_SHA1_ALT, 13 ) == 0 && - memcmp( p + 13, hash, 20 ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - if( len == 34 ) - { - c = p[13]; - p[13] = 0; - - if( memcmp( p, ASN1_HASH_MDX, 18 ) != 0 ) - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - - if( ( c == 2 && hash_id == SIG_RSA_MD2 ) || - ( c == 4 && hash_id == SIG_RSA_MD4 ) || - ( c == 5 && hash_id == SIG_RSA_MD5 ) ) - { - if( memcmp( p + 18, hash, 16 ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - } - - if( len == 35 && hash_id == SIG_RSA_SHA1 ) - { - if( memcmp( p, ASN1_HASH_SHA1, 15 ) == 0 && - memcmp( p + 15, hash, 20 ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - if( ( len == 19 + 28 && p[14] == 4 && hash_id == SIG_RSA_SHA224 ) || - ( len == 19 + 32 && p[14] == 1 && hash_id == SIG_RSA_SHA256 ) || - ( len == 19 + 48 && p[14] == 2 && hash_id == SIG_RSA_SHA384 ) || - ( len == 19 + 64 && p[14] == 3 && hash_id == SIG_RSA_SHA512 ) ) - { - c = p[1] - 17; - p[1] = 17; - p[14] = 0; - - if( p[18] == c && - memcmp( p, ASN1_HASH_SHA2X, 18 ) == 0 && - memcmp( p + 19, hash, c ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - - if( len == hashlen && hash_id == SIG_RSA_RAW ) - { - if( memcmp( p, hash, hashlen ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); - } - - break; - -#if defined(POLARSSL_PKCS1_V21) - case RSA_PKCS_V21: - - if( buf[siglen - 1] != 0xBC ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - switch( hash_id ) - { - case SIG_RSA_MD2: - case SIG_RSA_MD4: - case SIG_RSA_MD5: - hashlen = 16; - break; - - case SIG_RSA_SHA1: - hashlen = 20; - break; - - case SIG_RSA_SHA224: - hashlen = 28; - break; - - case SIG_RSA_SHA256: - hashlen = 32; - break; - - case SIG_RSA_SHA384: - hashlen = 48; - break; - - case SIG_RSA_SHA512: - hashlen = 64; - break; - - default: - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - } - - md_info = md_info_from_type( ctx->hash_id ); - if( md_info == NULL ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - hlen = md_get_size( md_info ); - slen = siglen - hlen - 1; - - memset( &md_ctx, 0, sizeof( md_context_t ) ); - memset( zeros, 0, 8 ); - - md_init_ctx( &md_ctx, md_info ); - - // Note: EMSA-PSS verification is over the length of N - 1 bits - // - msb = mpi_msb( &ctx->N ) - 1; - - // Compensate for boundary condition when applying mask - // - if( msb % 8 == 0 ) - { - p++; - siglen -= 1; - } - if( buf[0] >> ( 8 - siglen * 8 + msb ) ) - return( POLARSSL_ERR_RSA_BAD_INPUT_DATA ); - - mgf_mask( p, siglen - hlen - 1, p + siglen - hlen - 1, hlen, &md_ctx ); - - buf[0] &= 0xFF >> ( siglen * 8 - msb ); - - while( *p == 0 && p < buf + siglen ) - p++; - - if( p == buf + siglen ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - if( *p++ != 0x01 ) - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - - slen -= p - buf; - - // Generate H = Hash( M' ) - // - md_starts( &md_ctx ); - md_update( &md_ctx, zeros, 8 ); - md_update( &md_ctx, hash, hashlen ); - md_update( &md_ctx, p, slen ); - md_finish( &md_ctx, result ); - - if( memcmp( p + slen, result, hlen ) == 0 ) - return( 0 ); - else - return( POLARSSL_ERR_RSA_VERIFY_FAILED ); -#endif - - default: - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); - } - - return( POLARSSL_ERR_RSA_INVALID_PADDING ); -} - -/* - * Free the components of an RSA key - */ -void rsa_free( rsa_context *ctx ) -{ - mpi_free( &ctx->RQ ); mpi_free( &ctx->RP ); mpi_free( &ctx->RN ); - mpi_free( &ctx->QP ); mpi_free( &ctx->DQ ); mpi_free( &ctx->DP ); - mpi_free( &ctx->Q ); mpi_free( &ctx->P ); mpi_free( &ctx->D ); - mpi_free( &ctx->E ); mpi_free( &ctx->N ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include "polarssl/sha1.h" - -/* - * Example RSA-1024 keypair, for test purposes - */ -#define KEY_LEN 128 - -#define RSA_N "9292758453063D803DD603D5E777D788" \ - "8ED1D5BF35786190FA2F23EBC0848AEA" \ - "DDA92CA6C3D80B32C4D109BE0F36D6AE" \ - "7130B9CED7ACDF54CFC7555AC14EEBAB" \ - "93A89813FBF3C4F8066D2D800F7C38A8" \ - "1AE31942917403FF4946B0A83D3D3E05" \ - "EE57C6F5F5606FB5D4BC6CD34EE0801A" \ - "5E94BB77B07507233A0BC7BAC8F90F79" - -#define RSA_E "10001" - -#define RSA_D "24BF6185468786FDD303083D25E64EFC" \ - "66CA472BC44D253102F8B4A9D3BFA750" \ - "91386C0077937FE33FA3252D28855837" \ - "AE1B484A8A9A45F7EE8C0C634F99E8CD" \ - "DF79C5CE07EE72C7F123142198164234" \ - "CABB724CF78B8173B9F880FC86322407" \ - "AF1FEDFDDE2BEB674CA15F3E81A1521E" \ - "071513A1E85B5DFA031F21ECAE91A34D" - -#define RSA_P "C36D0EB7FCD285223CFB5AABA5BDA3D8" \ - "2C01CAD19EA484A87EA4377637E75500" \ - "FCB2005C5C7DD6EC4AC023CDA285D796" \ - "C3D9E75E1EFC42488BB4F1D13AC30A57" - -#define RSA_Q "C000DF51A7C77AE8D7C7370C1FF55B69" \ - "E211C2B9E5DB1ED0BF61D0D9899620F4" \ - "910E4168387E3C30AA1E00C339A79508" \ - "8452DD96A9A5EA5D9DCA68DA636032AF" - -#define RSA_DP "C1ACF567564274FB07A0BBAD5D26E298" \ - "3C94D22288ACD763FD8E5600ED4A702D" \ - "F84198A5F06C2E72236AE490C93F07F8" \ - "3CC559CD27BC2D1CA488811730BB5725" - -#define RSA_DQ "4959CBF6F8FEF750AEE6977C155579C7" \ - "D8AAEA56749EA28623272E4F7D0592AF" \ - "7C1F1313CAC9471B5C523BFE592F517B" \ - "407A1BD76C164B93DA2D32A383E58357" - -#define RSA_QP "9AE7FBC99546432DF71896FC239EADAE" \ - "F38D18D2B2F0E2DD275AA977E2BF4411" \ - "F5A3B2A5D33605AEBBCCBA7FEB9F2D2F" \ - "A74206CEC169D74BF5A8C50D6F48EA08" - -#define PT_LEN 24 -#define RSA_PT "\xAA\xBB\xCC\x03\x02\x01\x00\xFF\xFF\xFF\xFF\xFF" \ - "\x11\x22\x33\x0A\x0B\x0C\xCC\xDD\xDD\xDD\xDD\xDD" - -static int myrand( void *rng_state, unsigned char *output, size_t len ) -{ - size_t i; - - if( rng_state != NULL ) - rng_state = NULL; - - for( i = 0; i < len; ++i ) - output[i] = rand(); - - return( 0 ); -} - -/* - * Checkup routine - */ -int rsa_self_test( int verbose ) -{ - size_t len; - rsa_context rsa; - unsigned char rsa_plaintext[PT_LEN]; - unsigned char rsa_decrypted[PT_LEN]; - unsigned char rsa_ciphertext[KEY_LEN]; -#if defined(POLARSSL_SHA1_C) - unsigned char sha1sum[20]; -#endif - - rsa_init( &rsa, RSA_PKCS_V15, 0 ); - - rsa.len = KEY_LEN; - mpi_read_string( &rsa.N , 16, RSA_N ); - mpi_read_string( &rsa.E , 16, RSA_E ); - mpi_read_string( &rsa.D , 16, RSA_D ); - mpi_read_string( &rsa.P , 16, RSA_P ); - mpi_read_string( &rsa.Q , 16, RSA_Q ); - mpi_read_string( &rsa.DP, 16, RSA_DP ); - mpi_read_string( &rsa.DQ, 16, RSA_DQ ); - mpi_read_string( &rsa.QP, 16, RSA_QP ); - - if( verbose != 0 ) - printf( " RSA key validation: " ); - - if( rsa_check_pubkey( &rsa ) != 0 || - rsa_check_privkey( &rsa ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n PKCS#1 encryption : " ); - - memcpy( rsa_plaintext, RSA_PT, PT_LEN ); - - if( rsa_pkcs1_encrypt( &rsa, &myrand, NULL, RSA_PUBLIC, PT_LEN, - rsa_plaintext, rsa_ciphertext ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n PKCS#1 decryption : " ); - - if( rsa_pkcs1_decrypt( &rsa, RSA_PRIVATE, &len, - rsa_ciphertext, rsa_decrypted, - sizeof(rsa_decrypted) ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( memcmp( rsa_decrypted, rsa_plaintext, len ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - -#if defined(POLARSSL_SHA1_C) - if( verbose != 0 ) - printf( "passed\n PKCS#1 data sign : " ); - - sha1( rsa_plaintext, PT_LEN, sha1sum ); - - if( rsa_pkcs1_sign( &rsa, NULL, NULL, RSA_PRIVATE, SIG_RSA_SHA1, 20, - sha1sum, rsa_ciphertext ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n PKCS#1 sig. verify: " ); - - if( rsa_pkcs1_verify( &rsa, RSA_PUBLIC, SIG_RSA_SHA1, 20, - sha1sum, rsa_ciphertext ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n\n" ); -#endif /* POLARSSL_SHA1_C */ - - rsa_free( &rsa ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/sha1.c b/polarssl/src/library/sha1.c deleted file mode 100644 index 72ca063..0000000 --- a/polarssl/src/library/sha1.c +++ /dev/null @@ -1,624 +0,0 @@ -/* - * FIPS-180-1 compliant SHA-1 implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The SHA-1 standard was published by NIST in 1993. - * - * http://www.itl.nist.gov/fipspubs/fip180-1.htm - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_SHA1_C) - -#include "polarssl/sha1.h" - -#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST) -#include <stdio.h> -#endif - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_ULONG_BE -#define GET_ULONG_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ - | ( (unsigned long) (b)[(i) + 1] << 16 ) \ - | ( (unsigned long) (b)[(i) + 2] << 8 ) \ - | ( (unsigned long) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_ULONG_BE -#define PUT_ULONG_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -/* - * SHA-1 context setup - */ -void sha1_starts( sha1_context *ctx ) -{ - ctx->total[0] = 0; - ctx->total[1] = 0; - - ctx->state[0] = 0x67452301; - ctx->state[1] = 0xEFCDAB89; - ctx->state[2] = 0x98BADCFE; - ctx->state[3] = 0x10325476; - ctx->state[4] = 0xC3D2E1F0; -} - -static void sha1_process( sha1_context *ctx, const unsigned char data[64] ) -{ - unsigned long temp, W[16], A, B, C, D, E; - - GET_ULONG_BE( W[ 0], data, 0 ); - GET_ULONG_BE( W[ 1], data, 4 ); - GET_ULONG_BE( W[ 2], data, 8 ); - GET_ULONG_BE( W[ 3], data, 12 ); - GET_ULONG_BE( W[ 4], data, 16 ); - GET_ULONG_BE( W[ 5], data, 20 ); - GET_ULONG_BE( W[ 6], data, 24 ); - GET_ULONG_BE( W[ 7], data, 28 ); - GET_ULONG_BE( W[ 8], data, 32 ); - GET_ULONG_BE( W[ 9], data, 36 ); - GET_ULONG_BE( W[10], data, 40 ); - GET_ULONG_BE( W[11], data, 44 ); - GET_ULONG_BE( W[12], data, 48 ); - GET_ULONG_BE( W[13], data, 52 ); - GET_ULONG_BE( W[14], data, 56 ); - GET_ULONG_BE( W[15], data, 60 ); - -#define S(x,n) ((x << n) | ((x & 0xFFFFFFFF) >> (32 - n))) - -#define R(t) \ -( \ - temp = W[(t - 3) & 0x0F] ^ W[(t - 8) & 0x0F] ^ \ - W[(t - 14) & 0x0F] ^ W[ t & 0x0F], \ - ( W[t & 0x0F] = S(temp,1) ) \ -) - -#define P(a,b,c,d,e,x) \ -{ \ - e += S(a,5) + F(b,c,d) + K + x; b = S(b,30); \ -} - - A = ctx->state[0]; - B = ctx->state[1]; - C = ctx->state[2]; - D = ctx->state[3]; - E = ctx->state[4]; - -#define F(x,y,z) (z ^ (x & (y ^ z))) -#define K 0x5A827999 - - P( A, B, C, D, E, W[0] ); - P( E, A, B, C, D, W[1] ); - P( D, E, A, B, C, W[2] ); - P( C, D, E, A, B, W[3] ); - P( B, C, D, E, A, W[4] ); - P( A, B, C, D, E, W[5] ); - P( E, A, B, C, D, W[6] ); - P( D, E, A, B, C, W[7] ); - P( C, D, E, A, B, W[8] ); - P( B, C, D, E, A, W[9] ); - P( A, B, C, D, E, W[10] ); - P( E, A, B, C, D, W[11] ); - P( D, E, A, B, C, W[12] ); - P( C, D, E, A, B, W[13] ); - P( B, C, D, E, A, W[14] ); - P( A, B, C, D, E, W[15] ); - P( E, A, B, C, D, R(16) ); - P( D, E, A, B, C, R(17) ); - P( C, D, E, A, B, R(18) ); - P( B, C, D, E, A, R(19) ); - -#undef K -#undef F - -#define F(x,y,z) (x ^ y ^ z) -#define K 0x6ED9EBA1 - - P( A, B, C, D, E, R(20) ); - P( E, A, B, C, D, R(21) ); - P( D, E, A, B, C, R(22) ); - P( C, D, E, A, B, R(23) ); - P( B, C, D, E, A, R(24) ); - P( A, B, C, D, E, R(25) ); - P( E, A, B, C, D, R(26) ); - P( D, E, A, B, C, R(27) ); - P( C, D, E, A, B, R(28) ); - P( B, C, D, E, A, R(29) ); - P( A, B, C, D, E, R(30) ); - P( E, A, B, C, D, R(31) ); - P( D, E, A, B, C, R(32) ); - P( C, D, E, A, B, R(33) ); - P( B, C, D, E, A, R(34) ); - P( A, B, C, D, E, R(35) ); - P( E, A, B, C, D, R(36) ); - P( D, E, A, B, C, R(37) ); - P( C, D, E, A, B, R(38) ); - P( B, C, D, E, A, R(39) ); - -#undef K -#undef F - -#define F(x,y,z) ((x & y) | (z & (x | y))) -#define K 0x8F1BBCDC - - P( A, B, C, D, E, R(40) ); - P( E, A, B, C, D, R(41) ); - P( D, E, A, B, C, R(42) ); - P( C, D, E, A, B, R(43) ); - P( B, C, D, E, A, R(44) ); - P( A, B, C, D, E, R(45) ); - P( E, A, B, C, D, R(46) ); - P( D, E, A, B, C, R(47) ); - P( C, D, E, A, B, R(48) ); - P( B, C, D, E, A, R(49) ); - P( A, B, C, D, E, R(50) ); - P( E, A, B, C, D, R(51) ); - P( D, E, A, B, C, R(52) ); - P( C, D, E, A, B, R(53) ); - P( B, C, D, E, A, R(54) ); - P( A, B, C, D, E, R(55) ); - P( E, A, B, C, D, R(56) ); - P( D, E, A, B, C, R(57) ); - P( C, D, E, A, B, R(58) ); - P( B, C, D, E, A, R(59) ); - -#undef K -#undef F - -#define F(x,y,z) (x ^ y ^ z) -#define K 0xCA62C1D6 - - P( A, B, C, D, E, R(60) ); - P( E, A, B, C, D, R(61) ); - P( D, E, A, B, C, R(62) ); - P( C, D, E, A, B, R(63) ); - P( B, C, D, E, A, R(64) ); - P( A, B, C, D, E, R(65) ); - P( E, A, B, C, D, R(66) ); - P( D, E, A, B, C, R(67) ); - P( C, D, E, A, B, R(68) ); - P( B, C, D, E, A, R(69) ); - P( A, B, C, D, E, R(70) ); - P( E, A, B, C, D, R(71) ); - P( D, E, A, B, C, R(72) ); - P( C, D, E, A, B, R(73) ); - P( B, C, D, E, A, R(74) ); - P( A, B, C, D, E, R(75) ); - P( E, A, B, C, D, R(76) ); - P( D, E, A, B, C, R(77) ); - P( C, D, E, A, B, R(78) ); - P( B, C, D, E, A, R(79) ); - -#undef K -#undef F - - ctx->state[0] += A; - ctx->state[1] += B; - ctx->state[2] += C; - ctx->state[3] += D; - ctx->state[4] += E; -} - -/* - * SHA-1 process buffer - */ -void sha1_update( sha1_context *ctx, const unsigned char *input, size_t ilen ) -{ - size_t fill; - unsigned long left; - - if( ilen <= 0 ) - return; - - left = ctx->total[0] & 0x3F; - fill = 64 - left; - - ctx->total[0] += (unsigned long) ilen; - ctx->total[0] &= 0xFFFFFFFF; - - if( ctx->total[0] < (unsigned long) ilen ) - ctx->total[1]++; - - if( left && ilen >= fill ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, fill ); - sha1_process( ctx, ctx->buffer ); - input += fill; - ilen -= fill; - left = 0; - } - - while( ilen >= 64 ) - { - sha1_process( ctx, input ); - input += 64; - ilen -= 64; - } - - if( ilen > 0 ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, ilen ); - } -} - -static const unsigned char sha1_padding[64] = -{ - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* - * SHA-1 final digest - */ -void sha1_finish( sha1_context *ctx, unsigned char output[20] ) -{ - unsigned long last, padn; - unsigned long high, low; - unsigned char msglen[8]; - - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_ULONG_BE( high, msglen, 0 ); - PUT_ULONG_BE( low, msglen, 4 ); - - last = ctx->total[0] & 0x3F; - padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); - - sha1_update( ctx, (unsigned char *) sha1_padding, padn ); - sha1_update( ctx, msglen, 8 ); - - PUT_ULONG_BE( ctx->state[0], output, 0 ); - PUT_ULONG_BE( ctx->state[1], output, 4 ); - PUT_ULONG_BE( ctx->state[2], output, 8 ); - PUT_ULONG_BE( ctx->state[3], output, 12 ); - PUT_ULONG_BE( ctx->state[4], output, 16 ); -} - -/* - * output = SHA-1( input buffer ) - */ -void sha1( const unsigned char *input, size_t ilen, unsigned char output[20] ) -{ - sha1_context ctx; - - sha1_starts( &ctx ); - sha1_update( &ctx, input, ilen ); - sha1_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha1_context ) ); -} - -#if defined(POLARSSL_FS_IO) -/* - * output = SHA-1( file contents ) - */ -int sha1_file( const char *path, unsigned char output[20] ) -{ - FILE *f; - size_t n; - sha1_context ctx; - unsigned char buf[1024]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_SHA1_FILE_IO_ERROR ); - - sha1_starts( &ctx ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - sha1_update( &ctx, buf, n ); - - sha1_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha1_context ) ); - - if( ferror( f ) != 0 ) - { - fclose( f ); - return( POLARSSL_ERR_SHA1_FILE_IO_ERROR ); - } - - fclose( f ); - return( 0 ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * SHA-1 HMAC context setup - */ -void sha1_hmac_starts( sha1_context *ctx, const unsigned char *key, size_t keylen ) -{ - size_t i; - unsigned char sum[20]; - - if( keylen > 64 ) - { - sha1( key, keylen, sum ); - keylen = 20; - key = sum; - } - - memset( ctx->ipad, 0x36, 64 ); - memset( ctx->opad, 0x5C, 64 ); - - for( i = 0; i < keylen; i++ ) - { - ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); - ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); - } - - sha1_starts( ctx ); - sha1_update( ctx, ctx->ipad, 64 ); - - memset( sum, 0, sizeof( sum ) ); -} - -/* - * SHA-1 HMAC process buffer - */ -void sha1_hmac_update( sha1_context *ctx, const unsigned char *input, size_t ilen ) -{ - sha1_update( ctx, input, ilen ); -} - -/* - * SHA-1 HMAC final digest - */ -void sha1_hmac_finish( sha1_context *ctx, unsigned char output[20] ) -{ - unsigned char tmpbuf[20]; - - sha1_finish( ctx, tmpbuf ); - sha1_starts( ctx ); - sha1_update( ctx, ctx->opad, 64 ); - sha1_update( ctx, tmpbuf, 20 ); - sha1_finish( ctx, output ); - - memset( tmpbuf, 0, sizeof( tmpbuf ) ); -} - -/* - * SHA1 HMAC context reset - */ -void sha1_hmac_reset( sha1_context *ctx ) -{ - sha1_starts( ctx ); - sha1_update( ctx, ctx->ipad, 64 ); -} - -/* - * output = HMAC-SHA-1( hmac key, input buffer ) - */ -void sha1_hmac( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char output[20] ) -{ - sha1_context ctx; - - sha1_hmac_starts( &ctx, key, keylen ); - sha1_hmac_update( &ctx, input, ilen ); - sha1_hmac_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha1_context ) ); -} - -#if defined(POLARSSL_SELF_TEST) -/* - * FIPS-180-1 test vectors - */ -static unsigned char sha1_test_buf[3][57] = -{ - { "abc" }, - { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, - { "" } -}; - -static const int sha1_test_buflen[3] = -{ - 3, 56, 1000 -}; - -static const unsigned char sha1_test_sum[3][20] = -{ - { 0xA9, 0x99, 0x3E, 0x36, 0x47, 0x06, 0x81, 0x6A, 0xBA, 0x3E, - 0x25, 0x71, 0x78, 0x50, 0xC2, 0x6C, 0x9C, 0xD0, 0xD8, 0x9D }, - { 0x84, 0x98, 0x3E, 0x44, 0x1C, 0x3B, 0xD2, 0x6E, 0xBA, 0xAE, - 0x4A, 0xA1, 0xF9, 0x51, 0x29, 0xE5, 0xE5, 0x46, 0x70, 0xF1 }, - { 0x34, 0xAA, 0x97, 0x3C, 0xD4, 0xC4, 0xDA, 0xA4, 0xF6, 0x1E, - 0xEB, 0x2B, 0xDB, 0xAD, 0x27, 0x31, 0x65, 0x34, 0x01, 0x6F } -}; - -/* - * RFC 2202 test vectors - */ -static unsigned char sha1_hmac_test_key[7][26] = -{ - { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" - "\x0B\x0B\x0B\x0B" }, - { "Jefe" }, - { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" - "\xAA\xAA\xAA\xAA" }, - { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" - "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, - { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" - "\x0C\x0C\x0C\x0C" }, - { "" }, /* 0xAA 80 times */ - { "" } -}; - -static const int sha1_hmac_test_keylen[7] = -{ - 20, 4, 20, 25, 20, 80, 80 -}; - -static unsigned char sha1_hmac_test_buf[7][74] = -{ - { "Hi There" }, - { "what do ya want for nothing?" }, - { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, - { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, - { "Test With Truncation" }, - { "Test Using Larger Than Block-Size Key - Hash Key First" }, - { "Test Using Larger Than Block-Size Key and Larger" - " Than One Block-Size Data" } -}; - -static const int sha1_hmac_test_buflen[7] = -{ - 8, 28, 50, 50, 20, 54, 73 -}; - -static const unsigned char sha1_hmac_test_sum[7][20] = -{ - { 0xB6, 0x17, 0x31, 0x86, 0x55, 0x05, 0x72, 0x64, 0xE2, 0x8B, - 0xC0, 0xB6, 0xFB, 0x37, 0x8C, 0x8E, 0xF1, 0x46, 0xBE, 0x00 }, - { 0xEF, 0xFC, 0xDF, 0x6A, 0xE5, 0xEB, 0x2F, 0xA2, 0xD2, 0x74, - 0x16, 0xD5, 0xF1, 0x84, 0xDF, 0x9C, 0x25, 0x9A, 0x7C, 0x79 }, - { 0x12, 0x5D, 0x73, 0x42, 0xB9, 0xAC, 0x11, 0xCD, 0x91, 0xA3, - 0x9A, 0xF4, 0x8A, 0xA1, 0x7B, 0x4F, 0x63, 0xF1, 0x75, 0xD3 }, - { 0x4C, 0x90, 0x07, 0xF4, 0x02, 0x62, 0x50, 0xC6, 0xBC, 0x84, - 0x14, 0xF9, 0xBF, 0x50, 0xC8, 0x6C, 0x2D, 0x72, 0x35, 0xDA }, - { 0x4C, 0x1A, 0x03, 0x42, 0x4B, 0x55, 0xE0, 0x7F, 0xE7, 0xF2, - 0x7B, 0xE1 }, - { 0xAA, 0x4A, 0xE5, 0xE1, 0x52, 0x72, 0xD0, 0x0E, 0x95, 0x70, - 0x56, 0x37, 0xCE, 0x8A, 0x3B, 0x55, 0xED, 0x40, 0x21, 0x12 }, - { 0xE8, 0xE9, 0x9D, 0x0F, 0x45, 0x23, 0x7D, 0x78, 0x6D, 0x6B, - 0xBA, 0xA7, 0x96, 0x5C, 0x78, 0x08, 0xBB, 0xFF, 0x1A, 0x91 } -}; - -/* - * Checkup routine - */ -int sha1_self_test( int verbose ) -{ - int i, j, buflen; - unsigned char buf[1024]; - unsigned char sha1sum[20]; - sha1_context ctx; - - /* - * SHA-1 - */ - for( i = 0; i < 3; i++ ) - { - if( verbose != 0 ) - printf( " SHA-1 test #%d: ", i + 1 ); - - sha1_starts( &ctx ); - - if( i == 2 ) - { - memset( buf, 'a', buflen = 1000 ); - - for( j = 0; j < 1000; j++ ) - sha1_update( &ctx, buf, buflen ); - } - else - sha1_update( &ctx, sha1_test_buf[i], - sha1_test_buflen[i] ); - - sha1_finish( &ctx, sha1sum ); - - if( memcmp( sha1sum, sha1_test_sum[i], 20 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - for( i = 0; i < 7; i++ ) - { - if( verbose != 0 ) - printf( " HMAC-SHA-1 test #%d: ", i + 1 ); - - if( i == 5 || i == 6 ) - { - memset( buf, '\xAA', buflen = 80 ); - sha1_hmac_starts( &ctx, buf, buflen ); - } - else - sha1_hmac_starts( &ctx, sha1_hmac_test_key[i], - sha1_hmac_test_keylen[i] ); - - sha1_hmac_update( &ctx, sha1_hmac_test_buf[i], - sha1_hmac_test_buflen[i] ); - - sha1_hmac_finish( &ctx, sha1sum ); - - buflen = ( i == 4 ) ? 12 : 20; - - if( memcmp( sha1sum, sha1_hmac_test_sum[i], buflen ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/sha2.c b/polarssl/src/library/sha2.c deleted file mode 100644 index 4b5e696..0000000 --- a/polarssl/src/library/sha2.c +++ /dev/null @@ -1,705 +0,0 @@ -/* - * FIPS-180-2 compliant SHA-256 implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The SHA-256 Secure Hash Standard was published by NIST in 2002. - * - * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_SHA2_C) - -#include "polarssl/sha2.h" - -#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST) -#include <stdio.h> -#endif - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_ULONG_BE -#define GET_ULONG_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ - | ( (unsigned long) (b)[(i) + 1] << 16 ) \ - | ( (unsigned long) (b)[(i) + 2] << 8 ) \ - | ( (unsigned long) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_ULONG_BE -#define PUT_ULONG_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -/* - * SHA-256 context setup - */ -void sha2_starts( sha2_context *ctx, int is224 ) -{ - ctx->total[0] = 0; - ctx->total[1] = 0; - - if( is224 == 0 ) - { - /* SHA-256 */ - ctx->state[0] = 0x6A09E667; - ctx->state[1] = 0xBB67AE85; - ctx->state[2] = 0x3C6EF372; - ctx->state[3] = 0xA54FF53A; - ctx->state[4] = 0x510E527F; - ctx->state[5] = 0x9B05688C; - ctx->state[6] = 0x1F83D9AB; - ctx->state[7] = 0x5BE0CD19; - } - else - { - /* SHA-224 */ - ctx->state[0] = 0xC1059ED8; - ctx->state[1] = 0x367CD507; - ctx->state[2] = 0x3070DD17; - ctx->state[3] = 0xF70E5939; - ctx->state[4] = 0xFFC00B31; - ctx->state[5] = 0x68581511; - ctx->state[6] = 0x64F98FA7; - ctx->state[7] = 0xBEFA4FA4; - } - - ctx->is224 = is224; -} - -static void sha2_process( sha2_context *ctx, const unsigned char data[64] ) -{ - unsigned long temp1, temp2, W[64]; - unsigned long A, B, C, D, E, F, G, H; - - GET_ULONG_BE( W[ 0], data, 0 ); - GET_ULONG_BE( W[ 1], data, 4 ); - GET_ULONG_BE( W[ 2], data, 8 ); - GET_ULONG_BE( W[ 3], data, 12 ); - GET_ULONG_BE( W[ 4], data, 16 ); - GET_ULONG_BE( W[ 5], data, 20 ); - GET_ULONG_BE( W[ 6], data, 24 ); - GET_ULONG_BE( W[ 7], data, 28 ); - GET_ULONG_BE( W[ 8], data, 32 ); - GET_ULONG_BE( W[ 9], data, 36 ); - GET_ULONG_BE( W[10], data, 40 ); - GET_ULONG_BE( W[11], data, 44 ); - GET_ULONG_BE( W[12], data, 48 ); - GET_ULONG_BE( W[13], data, 52 ); - GET_ULONG_BE( W[14], data, 56 ); - GET_ULONG_BE( W[15], data, 60 ); - -#define SHR(x,n) ((x & 0xFFFFFFFF) >> n) -#define ROTR(x,n) (SHR(x,n) | (x << (32 - n))) - -#define S0(x) (ROTR(x, 7) ^ ROTR(x,18) ^ SHR(x, 3)) -#define S1(x) (ROTR(x,17) ^ ROTR(x,19) ^ SHR(x,10)) - -#define S2(x) (ROTR(x, 2) ^ ROTR(x,13) ^ ROTR(x,22)) -#define S3(x) (ROTR(x, 6) ^ ROTR(x,11) ^ ROTR(x,25)) - -#define F0(x,y,z) ((x & y) | (z & (x | y))) -#define F1(x,y,z) (z ^ (x & (y ^ z))) - -#define R(t) \ -( \ - W[t] = S1(W[t - 2]) + W[t - 7] + \ - S0(W[t - 15]) + W[t - 16] \ -) - -#define P(a,b,c,d,e,f,g,h,x,K) \ -{ \ - temp1 = h + S3(e) + F1(e,f,g) + K + x; \ - temp2 = S2(a) + F0(a,b,c); \ - d += temp1; h = temp1 + temp2; \ -} - - A = ctx->state[0]; - B = ctx->state[1]; - C = ctx->state[2]; - D = ctx->state[3]; - E = ctx->state[4]; - F = ctx->state[5]; - G = ctx->state[6]; - H = ctx->state[7]; - - P( A, B, C, D, E, F, G, H, W[ 0], 0x428A2F98 ); - P( H, A, B, C, D, E, F, G, W[ 1], 0x71374491 ); - P( G, H, A, B, C, D, E, F, W[ 2], 0xB5C0FBCF ); - P( F, G, H, A, B, C, D, E, W[ 3], 0xE9B5DBA5 ); - P( E, F, G, H, A, B, C, D, W[ 4], 0x3956C25B ); - P( D, E, F, G, H, A, B, C, W[ 5], 0x59F111F1 ); - P( C, D, E, F, G, H, A, B, W[ 6], 0x923F82A4 ); - P( B, C, D, E, F, G, H, A, W[ 7], 0xAB1C5ED5 ); - P( A, B, C, D, E, F, G, H, W[ 8], 0xD807AA98 ); - P( H, A, B, C, D, E, F, G, W[ 9], 0x12835B01 ); - P( G, H, A, B, C, D, E, F, W[10], 0x243185BE ); - P( F, G, H, A, B, C, D, E, W[11], 0x550C7DC3 ); - P( E, F, G, H, A, B, C, D, W[12], 0x72BE5D74 ); - P( D, E, F, G, H, A, B, C, W[13], 0x80DEB1FE ); - P( C, D, E, F, G, H, A, B, W[14], 0x9BDC06A7 ); - P( B, C, D, E, F, G, H, A, W[15], 0xC19BF174 ); - P( A, B, C, D, E, F, G, H, R(16), 0xE49B69C1 ); - P( H, A, B, C, D, E, F, G, R(17), 0xEFBE4786 ); - P( G, H, A, B, C, D, E, F, R(18), 0x0FC19DC6 ); - P( F, G, H, A, B, C, D, E, R(19), 0x240CA1CC ); - P( E, F, G, H, A, B, C, D, R(20), 0x2DE92C6F ); - P( D, E, F, G, H, A, B, C, R(21), 0x4A7484AA ); - P( C, D, E, F, G, H, A, B, R(22), 0x5CB0A9DC ); - P( B, C, D, E, F, G, H, A, R(23), 0x76F988DA ); - P( A, B, C, D, E, F, G, H, R(24), 0x983E5152 ); - P( H, A, B, C, D, E, F, G, R(25), 0xA831C66D ); - P( G, H, A, B, C, D, E, F, R(26), 0xB00327C8 ); - P( F, G, H, A, B, C, D, E, R(27), 0xBF597FC7 ); - P( E, F, G, H, A, B, C, D, R(28), 0xC6E00BF3 ); - P( D, E, F, G, H, A, B, C, R(29), 0xD5A79147 ); - P( C, D, E, F, G, H, A, B, R(30), 0x06CA6351 ); - P( B, C, D, E, F, G, H, A, R(31), 0x14292967 ); - P( A, B, C, D, E, F, G, H, R(32), 0x27B70A85 ); - P( H, A, B, C, D, E, F, G, R(33), 0x2E1B2138 ); - P( G, H, A, B, C, D, E, F, R(34), 0x4D2C6DFC ); - P( F, G, H, A, B, C, D, E, R(35), 0x53380D13 ); - P( E, F, G, H, A, B, C, D, R(36), 0x650A7354 ); - P( D, E, F, G, H, A, B, C, R(37), 0x766A0ABB ); - P( C, D, E, F, G, H, A, B, R(38), 0x81C2C92E ); - P( B, C, D, E, F, G, H, A, R(39), 0x92722C85 ); - P( A, B, C, D, E, F, G, H, R(40), 0xA2BFE8A1 ); - P( H, A, B, C, D, E, F, G, R(41), 0xA81A664B ); - P( G, H, A, B, C, D, E, F, R(42), 0xC24B8B70 ); - P( F, G, H, A, B, C, D, E, R(43), 0xC76C51A3 ); - P( E, F, G, H, A, B, C, D, R(44), 0xD192E819 ); - P( D, E, F, G, H, A, B, C, R(45), 0xD6990624 ); - P( C, D, E, F, G, H, A, B, R(46), 0xF40E3585 ); - P( B, C, D, E, F, G, H, A, R(47), 0x106AA070 ); - P( A, B, C, D, E, F, G, H, R(48), 0x19A4C116 ); - P( H, A, B, C, D, E, F, G, R(49), 0x1E376C08 ); - P( G, H, A, B, C, D, E, F, R(50), 0x2748774C ); - P( F, G, H, A, B, C, D, E, R(51), 0x34B0BCB5 ); - P( E, F, G, H, A, B, C, D, R(52), 0x391C0CB3 ); - P( D, E, F, G, H, A, B, C, R(53), 0x4ED8AA4A ); - P( C, D, E, F, G, H, A, B, R(54), 0x5B9CCA4F ); - P( B, C, D, E, F, G, H, A, R(55), 0x682E6FF3 ); - P( A, B, C, D, E, F, G, H, R(56), 0x748F82EE ); - P( H, A, B, C, D, E, F, G, R(57), 0x78A5636F ); - P( G, H, A, B, C, D, E, F, R(58), 0x84C87814 ); - P( F, G, H, A, B, C, D, E, R(59), 0x8CC70208 ); - P( E, F, G, H, A, B, C, D, R(60), 0x90BEFFFA ); - P( D, E, F, G, H, A, B, C, R(61), 0xA4506CEB ); - P( C, D, E, F, G, H, A, B, R(62), 0xBEF9A3F7 ); - P( B, C, D, E, F, G, H, A, R(63), 0xC67178F2 ); - - ctx->state[0] += A; - ctx->state[1] += B; - ctx->state[2] += C; - ctx->state[3] += D; - ctx->state[4] += E; - ctx->state[5] += F; - ctx->state[6] += G; - ctx->state[7] += H; -} - -/* - * SHA-256 process buffer - */ -void sha2_update( sha2_context *ctx, const unsigned char *input, size_t ilen ) -{ - size_t fill; - unsigned long left; - - if( ilen <= 0 ) - return; - - left = ctx->total[0] & 0x3F; - fill = 64 - left; - - ctx->total[0] += (unsigned long) ilen; - ctx->total[0] &= 0xFFFFFFFF; - - if( ctx->total[0] < (unsigned long) ilen ) - ctx->total[1]++; - - if( left && ilen >= fill ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, fill ); - sha2_process( ctx, ctx->buffer ); - input += fill; - ilen -= fill; - left = 0; - } - - while( ilen >= 64 ) - { - sha2_process( ctx, input ); - input += 64; - ilen -= 64; - } - - if( ilen > 0 ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, ilen ); - } -} - -static const unsigned char sha2_padding[64] = -{ - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* - * SHA-256 final digest - */ -void sha2_finish( sha2_context *ctx, unsigned char output[32] ) -{ - unsigned long last, padn; - unsigned long high, low; - unsigned char msglen[8]; - - high = ( ctx->total[0] >> 29 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_ULONG_BE( high, msglen, 0 ); - PUT_ULONG_BE( low, msglen, 4 ); - - last = ctx->total[0] & 0x3F; - padn = ( last < 56 ) ? ( 56 - last ) : ( 120 - last ); - - sha2_update( ctx, (unsigned char *) sha2_padding, padn ); - sha2_update( ctx, msglen, 8 ); - - PUT_ULONG_BE( ctx->state[0], output, 0 ); - PUT_ULONG_BE( ctx->state[1], output, 4 ); - PUT_ULONG_BE( ctx->state[2], output, 8 ); - PUT_ULONG_BE( ctx->state[3], output, 12 ); - PUT_ULONG_BE( ctx->state[4], output, 16 ); - PUT_ULONG_BE( ctx->state[5], output, 20 ); - PUT_ULONG_BE( ctx->state[6], output, 24 ); - - if( ctx->is224 == 0 ) - PUT_ULONG_BE( ctx->state[7], output, 28 ); -} - -/* - * output = SHA-256( input buffer ) - */ -void sha2( const unsigned char *input, size_t ilen, - unsigned char output[32], int is224 ) -{ - sha2_context ctx; - - sha2_starts( &ctx, is224 ); - sha2_update( &ctx, input, ilen ); - sha2_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha2_context ) ); -} - -#if defined(POLARSSL_FS_IO) -/* - * output = SHA-256( file contents ) - */ -int sha2_file( const char *path, unsigned char output[32], int is224 ) -{ - FILE *f; - size_t n; - sha2_context ctx; - unsigned char buf[1024]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_SHA2_FILE_IO_ERROR ); - - sha2_starts( &ctx, is224 ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - sha2_update( &ctx, buf, n ); - - sha2_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha2_context ) ); - - if( ferror( f ) != 0 ) - { - fclose( f ); - return( POLARSSL_ERR_SHA2_FILE_IO_ERROR ); - } - - fclose( f ); - return( 0 ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * SHA-256 HMAC context setup - */ -void sha2_hmac_starts( sha2_context *ctx, const unsigned char *key, size_t keylen, - int is224 ) -{ - size_t i; - unsigned char sum[32]; - - if( keylen > 64 ) - { - sha2( key, keylen, sum, is224 ); - keylen = ( is224 ) ? 28 : 32; - key = sum; - } - - memset( ctx->ipad, 0x36, 64 ); - memset( ctx->opad, 0x5C, 64 ); - - for( i = 0; i < keylen; i++ ) - { - ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); - ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); - } - - sha2_starts( ctx, is224 ); - sha2_update( ctx, ctx->ipad, 64 ); - - memset( sum, 0, sizeof( sum ) ); -} - -/* - * SHA-256 HMAC process buffer - */ -void sha2_hmac_update( sha2_context *ctx, const unsigned char *input, size_t ilen ) -{ - sha2_update( ctx, input, ilen ); -} - -/* - * SHA-256 HMAC final digest - */ -void sha2_hmac_finish( sha2_context *ctx, unsigned char output[32] ) -{ - int is224, hlen; - unsigned char tmpbuf[32]; - - is224 = ctx->is224; - hlen = ( is224 == 0 ) ? 32 : 28; - - sha2_finish( ctx, tmpbuf ); - sha2_starts( ctx, is224 ); - sha2_update( ctx, ctx->opad, 64 ); - sha2_update( ctx, tmpbuf, hlen ); - sha2_finish( ctx, output ); - - memset( tmpbuf, 0, sizeof( tmpbuf ) ); -} - -/* - * SHA-256 HMAC context reset - */ -void sha2_hmac_reset( sha2_context *ctx ) -{ - sha2_starts( ctx, ctx->is224 ); - sha2_update( ctx, ctx->ipad, 64 ); -} - -/* - * output = HMAC-SHA-256( hmac key, input buffer ) - */ -void sha2_hmac( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char output[32], int is224 ) -{ - sha2_context ctx; - - sha2_hmac_starts( &ctx, key, keylen, is224 ); - sha2_hmac_update( &ctx, input, ilen ); - sha2_hmac_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha2_context ) ); -} - -#if defined(POLARSSL_SELF_TEST) -/* - * FIPS-180-2 test vectors - */ -static unsigned char sha2_test_buf[3][57] = -{ - { "abc" }, - { "abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq" }, - { "" } -}; - -static const int sha2_test_buflen[3] = -{ - 3, 56, 1000 -}; - -static const unsigned char sha2_test_sum[6][32] = -{ - /* - * SHA-224 test vectors - */ - { 0x23, 0x09, 0x7D, 0x22, 0x34, 0x05, 0xD8, 0x22, - 0x86, 0x42, 0xA4, 0x77, 0xBD, 0xA2, 0x55, 0xB3, - 0x2A, 0xAD, 0xBC, 0xE4, 0xBD, 0xA0, 0xB3, 0xF7, - 0xE3, 0x6C, 0x9D, 0xA7 }, - { 0x75, 0x38, 0x8B, 0x16, 0x51, 0x27, 0x76, 0xCC, - 0x5D, 0xBA, 0x5D, 0xA1, 0xFD, 0x89, 0x01, 0x50, - 0xB0, 0xC6, 0x45, 0x5C, 0xB4, 0xF5, 0x8B, 0x19, - 0x52, 0x52, 0x25, 0x25 }, - { 0x20, 0x79, 0x46, 0x55, 0x98, 0x0C, 0x91, 0xD8, - 0xBB, 0xB4, 0xC1, 0xEA, 0x97, 0x61, 0x8A, 0x4B, - 0xF0, 0x3F, 0x42, 0x58, 0x19, 0x48, 0xB2, 0xEE, - 0x4E, 0xE7, 0xAD, 0x67 }, - - /* - * SHA-256 test vectors - */ - { 0xBA, 0x78, 0x16, 0xBF, 0x8F, 0x01, 0xCF, 0xEA, - 0x41, 0x41, 0x40, 0xDE, 0x5D, 0xAE, 0x22, 0x23, - 0xB0, 0x03, 0x61, 0xA3, 0x96, 0x17, 0x7A, 0x9C, - 0xB4, 0x10, 0xFF, 0x61, 0xF2, 0x00, 0x15, 0xAD }, - { 0x24, 0x8D, 0x6A, 0x61, 0xD2, 0x06, 0x38, 0xB8, - 0xE5, 0xC0, 0x26, 0x93, 0x0C, 0x3E, 0x60, 0x39, - 0xA3, 0x3C, 0xE4, 0x59, 0x64, 0xFF, 0x21, 0x67, - 0xF6, 0xEC, 0xED, 0xD4, 0x19, 0xDB, 0x06, 0xC1 }, - { 0xCD, 0xC7, 0x6E, 0x5C, 0x99, 0x14, 0xFB, 0x92, - 0x81, 0xA1, 0xC7, 0xE2, 0x84, 0xD7, 0x3E, 0x67, - 0xF1, 0x80, 0x9A, 0x48, 0xA4, 0x97, 0x20, 0x0E, - 0x04, 0x6D, 0x39, 0xCC, 0xC7, 0x11, 0x2C, 0xD0 } -}; - -/* - * RFC 4231 test vectors - */ -static unsigned char sha2_hmac_test_key[7][26] = -{ - { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" - "\x0B\x0B\x0B\x0B" }, - { "Jefe" }, - { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" - "\xAA\xAA\xAA\xAA" }, - { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" - "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, - { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" - "\x0C\x0C\x0C\x0C" }, - { "" }, /* 0xAA 131 times */ - { "" } -}; - -static const int sha2_hmac_test_keylen[7] = -{ - 20, 4, 20, 25, 20, 131, 131 -}; - -static unsigned char sha2_hmac_test_buf[7][153] = -{ - { "Hi There" }, - { "what do ya want for nothing?" }, - { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, - { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, - { "Test With Truncation" }, - { "Test Using Larger Than Block-Size Key - Hash Key First" }, - { "This is a test using a larger than block-size key " - "and a larger than block-size data. The key needs to " - "be hashed before being used by the HMAC algorithm." } -}; - -static const int sha2_hmac_test_buflen[7] = -{ - 8, 28, 50, 50, 20, 54, 152 -}; - -static const unsigned char sha2_hmac_test_sum[14][32] = -{ - /* - * HMAC-SHA-224 test vectors - */ - { 0x89, 0x6F, 0xB1, 0x12, 0x8A, 0xBB, 0xDF, 0x19, - 0x68, 0x32, 0x10, 0x7C, 0xD4, 0x9D, 0xF3, 0x3F, - 0x47, 0xB4, 0xB1, 0x16, 0x99, 0x12, 0xBA, 0x4F, - 0x53, 0x68, 0x4B, 0x22 }, - { 0xA3, 0x0E, 0x01, 0x09, 0x8B, 0xC6, 0xDB, 0xBF, - 0x45, 0x69, 0x0F, 0x3A, 0x7E, 0x9E, 0x6D, 0x0F, - 0x8B, 0xBE, 0xA2, 0xA3, 0x9E, 0x61, 0x48, 0x00, - 0x8F, 0xD0, 0x5E, 0x44 }, - { 0x7F, 0xB3, 0xCB, 0x35, 0x88, 0xC6, 0xC1, 0xF6, - 0xFF, 0xA9, 0x69, 0x4D, 0x7D, 0x6A, 0xD2, 0x64, - 0x93, 0x65, 0xB0, 0xC1, 0xF6, 0x5D, 0x69, 0xD1, - 0xEC, 0x83, 0x33, 0xEA }, - { 0x6C, 0x11, 0x50, 0x68, 0x74, 0x01, 0x3C, 0xAC, - 0x6A, 0x2A, 0xBC, 0x1B, 0xB3, 0x82, 0x62, 0x7C, - 0xEC, 0x6A, 0x90, 0xD8, 0x6E, 0xFC, 0x01, 0x2D, - 0xE7, 0xAF, 0xEC, 0x5A }, - { 0x0E, 0x2A, 0xEA, 0x68, 0xA9, 0x0C, 0x8D, 0x37, - 0xC9, 0x88, 0xBC, 0xDB, 0x9F, 0xCA, 0x6F, 0xA8 }, - { 0x95, 0xE9, 0xA0, 0xDB, 0x96, 0x20, 0x95, 0xAD, - 0xAE, 0xBE, 0x9B, 0x2D, 0x6F, 0x0D, 0xBC, 0xE2, - 0xD4, 0x99, 0xF1, 0x12, 0xF2, 0xD2, 0xB7, 0x27, - 0x3F, 0xA6, 0x87, 0x0E }, - { 0x3A, 0x85, 0x41, 0x66, 0xAC, 0x5D, 0x9F, 0x02, - 0x3F, 0x54, 0xD5, 0x17, 0xD0, 0xB3, 0x9D, 0xBD, - 0x94, 0x67, 0x70, 0xDB, 0x9C, 0x2B, 0x95, 0xC9, - 0xF6, 0xF5, 0x65, 0xD1 }, - - /* - * HMAC-SHA-256 test vectors - */ - { 0xB0, 0x34, 0x4C, 0x61, 0xD8, 0xDB, 0x38, 0x53, - 0x5C, 0xA8, 0xAF, 0xCE, 0xAF, 0x0B, 0xF1, 0x2B, - 0x88, 0x1D, 0xC2, 0x00, 0xC9, 0x83, 0x3D, 0xA7, - 0x26, 0xE9, 0x37, 0x6C, 0x2E, 0x32, 0xCF, 0xF7 }, - { 0x5B, 0xDC, 0xC1, 0x46, 0xBF, 0x60, 0x75, 0x4E, - 0x6A, 0x04, 0x24, 0x26, 0x08, 0x95, 0x75, 0xC7, - 0x5A, 0x00, 0x3F, 0x08, 0x9D, 0x27, 0x39, 0x83, - 0x9D, 0xEC, 0x58, 0xB9, 0x64, 0xEC, 0x38, 0x43 }, - { 0x77, 0x3E, 0xA9, 0x1E, 0x36, 0x80, 0x0E, 0x46, - 0x85, 0x4D, 0xB8, 0xEB, 0xD0, 0x91, 0x81, 0xA7, - 0x29, 0x59, 0x09, 0x8B, 0x3E, 0xF8, 0xC1, 0x22, - 0xD9, 0x63, 0x55, 0x14, 0xCE, 0xD5, 0x65, 0xFE }, - { 0x82, 0x55, 0x8A, 0x38, 0x9A, 0x44, 0x3C, 0x0E, - 0xA4, 0xCC, 0x81, 0x98, 0x99, 0xF2, 0x08, 0x3A, - 0x85, 0xF0, 0xFA, 0xA3, 0xE5, 0x78, 0xF8, 0x07, - 0x7A, 0x2E, 0x3F, 0xF4, 0x67, 0x29, 0x66, 0x5B }, - { 0xA3, 0xB6, 0x16, 0x74, 0x73, 0x10, 0x0E, 0xE0, - 0x6E, 0x0C, 0x79, 0x6C, 0x29, 0x55, 0x55, 0x2B }, - { 0x60, 0xE4, 0x31, 0x59, 0x1E, 0xE0, 0xB6, 0x7F, - 0x0D, 0x8A, 0x26, 0xAA, 0xCB, 0xF5, 0xB7, 0x7F, - 0x8E, 0x0B, 0xC6, 0x21, 0x37, 0x28, 0xC5, 0x14, - 0x05, 0x46, 0x04, 0x0F, 0x0E, 0xE3, 0x7F, 0x54 }, - { 0x9B, 0x09, 0xFF, 0xA7, 0x1B, 0x94, 0x2F, 0xCB, - 0x27, 0x63, 0x5F, 0xBC, 0xD5, 0xB0, 0xE9, 0x44, - 0xBF, 0xDC, 0x63, 0x64, 0x4F, 0x07, 0x13, 0x93, - 0x8A, 0x7F, 0x51, 0x53, 0x5C, 0x3A, 0x35, 0xE2 } -}; - -/* - * Checkup routine - */ -int sha2_self_test( int verbose ) -{ - int i, j, k, buflen; - unsigned char buf[1024]; - unsigned char sha2sum[32]; - sha2_context ctx; - - for( i = 0; i < 6; i++ ) - { - j = i % 3; - k = i < 3; - - if( verbose != 0 ) - printf( " SHA-%d test #%d: ", 256 - k * 32, j + 1 ); - - sha2_starts( &ctx, k ); - - if( j == 2 ) - { - memset( buf, 'a', buflen = 1000 ); - - for( j = 0; j < 1000; j++ ) - sha2_update( &ctx, buf, buflen ); - } - else - sha2_update( &ctx, sha2_test_buf[j], - sha2_test_buflen[j] ); - - sha2_finish( &ctx, sha2sum ); - - if( memcmp( sha2sum, sha2_test_sum[i], 32 - k * 4 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - for( i = 0; i < 14; i++ ) - { - j = i % 7; - k = i < 7; - - if( verbose != 0 ) - printf( " HMAC-SHA-%d test #%d: ", 256 - k * 32, j + 1 ); - - if( j == 5 || j == 6 ) - { - memset( buf, '\xAA', buflen = 131 ); - sha2_hmac_starts( &ctx, buf, buflen, k ); - } - else - sha2_hmac_starts( &ctx, sha2_hmac_test_key[j], - sha2_hmac_test_keylen[j], k ); - - sha2_hmac_update( &ctx, sha2_hmac_test_buf[j], - sha2_hmac_test_buflen[j] ); - - sha2_hmac_finish( &ctx, sha2sum ); - - buflen = ( j == 4 ) ? 16 : 32 - k * 4; - - if( memcmp( sha2sum, sha2_hmac_test_sum[i], buflen ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/sha4.c b/polarssl/src/library/sha4.c deleted file mode 100644 index cf54d11..0000000 --- a/polarssl/src/library/sha4.c +++ /dev/null @@ -1,760 +0,0 @@ -/* - * FIPS-180-2 compliant SHA-384/512 implementation - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The SHA-512 Secure Hash Standard was published by NIST in 2002. - * - * http://csrc.nist.gov/publications/fips/fips180-2/fips180-2.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_SHA4_C) - -#include "polarssl/sha4.h" - -#if defined(POLARSSL_FS_IO) || defined(POLARSSL_SELF_TEST) -#include <stdio.h> -#endif - -/* - * 64-bit integer manipulation macros (big endian) - */ -#ifndef GET_UINT64_BE -#define GET_UINT64_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long64) (b)[(i) ] << 56 ) \ - | ( (unsigned long64) (b)[(i) + 1] << 48 ) \ - | ( (unsigned long64) (b)[(i) + 2] << 40 ) \ - | ( (unsigned long64) (b)[(i) + 3] << 32 ) \ - | ( (unsigned long64) (b)[(i) + 4] << 24 ) \ - | ( (unsigned long64) (b)[(i) + 5] << 16 ) \ - | ( (unsigned long64) (b)[(i) + 6] << 8 ) \ - | ( (unsigned long64) (b)[(i) + 7] ); \ -} -#endif - -#ifndef PUT_UINT64_BE -#define PUT_UINT64_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 56 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 48 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 40 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) >> 32 ); \ - (b)[(i) + 4] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 5] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 6] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 7] = (unsigned char) ( (n) ); \ -} -#endif - -/* - * Round constants - */ -static const unsigned long64 K[80] = -{ - UL64(0x428A2F98D728AE22), UL64(0x7137449123EF65CD), - UL64(0xB5C0FBCFEC4D3B2F), UL64(0xE9B5DBA58189DBBC), - UL64(0x3956C25BF348B538), UL64(0x59F111F1B605D019), - UL64(0x923F82A4AF194F9B), UL64(0xAB1C5ED5DA6D8118), - UL64(0xD807AA98A3030242), UL64(0x12835B0145706FBE), - UL64(0x243185BE4EE4B28C), UL64(0x550C7DC3D5FFB4E2), - UL64(0x72BE5D74F27B896F), UL64(0x80DEB1FE3B1696B1), - UL64(0x9BDC06A725C71235), UL64(0xC19BF174CF692694), - UL64(0xE49B69C19EF14AD2), UL64(0xEFBE4786384F25E3), - UL64(0x0FC19DC68B8CD5B5), UL64(0x240CA1CC77AC9C65), - UL64(0x2DE92C6F592B0275), UL64(0x4A7484AA6EA6E483), - UL64(0x5CB0A9DCBD41FBD4), UL64(0x76F988DA831153B5), - UL64(0x983E5152EE66DFAB), UL64(0xA831C66D2DB43210), - UL64(0xB00327C898FB213F), UL64(0xBF597FC7BEEF0EE4), - UL64(0xC6E00BF33DA88FC2), UL64(0xD5A79147930AA725), - UL64(0x06CA6351E003826F), UL64(0x142929670A0E6E70), - UL64(0x27B70A8546D22FFC), UL64(0x2E1B21385C26C926), - UL64(0x4D2C6DFC5AC42AED), UL64(0x53380D139D95B3DF), - UL64(0x650A73548BAF63DE), UL64(0x766A0ABB3C77B2A8), - UL64(0x81C2C92E47EDAEE6), UL64(0x92722C851482353B), - UL64(0xA2BFE8A14CF10364), UL64(0xA81A664BBC423001), - UL64(0xC24B8B70D0F89791), UL64(0xC76C51A30654BE30), - UL64(0xD192E819D6EF5218), UL64(0xD69906245565A910), - UL64(0xF40E35855771202A), UL64(0x106AA07032BBD1B8), - UL64(0x19A4C116B8D2D0C8), UL64(0x1E376C085141AB53), - UL64(0x2748774CDF8EEB99), UL64(0x34B0BCB5E19B48A8), - UL64(0x391C0CB3C5C95A63), UL64(0x4ED8AA4AE3418ACB), - UL64(0x5B9CCA4F7763E373), UL64(0x682E6FF3D6B2B8A3), - UL64(0x748F82EE5DEFB2FC), UL64(0x78A5636F43172F60), - UL64(0x84C87814A1F0AB72), UL64(0x8CC702081A6439EC), - UL64(0x90BEFFFA23631E28), UL64(0xA4506CEBDE82BDE9), - UL64(0xBEF9A3F7B2C67915), UL64(0xC67178F2E372532B), - UL64(0xCA273ECEEA26619C), UL64(0xD186B8C721C0C207), - UL64(0xEADA7DD6CDE0EB1E), UL64(0xF57D4F7FEE6ED178), - UL64(0x06F067AA72176FBA), UL64(0x0A637DC5A2C898A6), - UL64(0x113F9804BEF90DAE), UL64(0x1B710B35131C471B), - UL64(0x28DB77F523047D84), UL64(0x32CAAB7B40C72493), - UL64(0x3C9EBE0A15C9BEBC), UL64(0x431D67C49C100D4C), - UL64(0x4CC5D4BECB3E42B6), UL64(0x597F299CFC657E2A), - UL64(0x5FCB6FAB3AD6FAEC), UL64(0x6C44198C4A475817) -}; - -/* - * SHA-512 context setup - */ -void sha4_starts( sha4_context *ctx, int is384 ) -{ - ctx->total[0] = 0; - ctx->total[1] = 0; - - if( is384 == 0 ) - { - /* SHA-512 */ - ctx->state[0] = UL64(0x6A09E667F3BCC908); - ctx->state[1] = UL64(0xBB67AE8584CAA73B); - ctx->state[2] = UL64(0x3C6EF372FE94F82B); - ctx->state[3] = UL64(0xA54FF53A5F1D36F1); - ctx->state[4] = UL64(0x510E527FADE682D1); - ctx->state[5] = UL64(0x9B05688C2B3E6C1F); - ctx->state[6] = UL64(0x1F83D9ABFB41BD6B); - ctx->state[7] = UL64(0x5BE0CD19137E2179); - } - else - { - /* SHA-384 */ - ctx->state[0] = UL64(0xCBBB9D5DC1059ED8); - ctx->state[1] = UL64(0x629A292A367CD507); - ctx->state[2] = UL64(0x9159015A3070DD17); - ctx->state[3] = UL64(0x152FECD8F70E5939); - ctx->state[4] = UL64(0x67332667FFC00B31); - ctx->state[5] = UL64(0x8EB44A8768581511); - ctx->state[6] = UL64(0xDB0C2E0D64F98FA7); - ctx->state[7] = UL64(0x47B5481DBEFA4FA4); - } - - ctx->is384 = is384; -} - -static void sha4_process( sha4_context *ctx, const unsigned char data[128] ) -{ - int i; - unsigned long64 temp1, temp2, W[80]; - unsigned long64 A, B, C, D, E, F, G, H; - -#define SHR(x,n) (x >> n) -#define ROTR(x,n) (SHR(x,n) | (x << (64 - n))) - -#define S0(x) (ROTR(x, 1) ^ ROTR(x, 8) ^ SHR(x, 7)) -#define S1(x) (ROTR(x,19) ^ ROTR(x,61) ^ SHR(x, 6)) - -#define S2(x) (ROTR(x,28) ^ ROTR(x,34) ^ ROTR(x,39)) -#define S3(x) (ROTR(x,14) ^ ROTR(x,18) ^ ROTR(x,41)) - -#define F0(x,y,z) ((x & y) | (z & (x | y))) -#define F1(x,y,z) (z ^ (x & (y ^ z))) - -#define P(a,b,c,d,e,f,g,h,x,K) \ -{ \ - temp1 = h + S3(e) + F1(e,f,g) + K + x; \ - temp2 = S2(a) + F0(a,b,c); \ - d += temp1; h = temp1 + temp2; \ -} - - for( i = 0; i < 16; i++ ) - { - GET_UINT64_BE( W[i], data, i << 3 ); - } - - for( ; i < 80; i++ ) - { - W[i] = S1(W[i - 2]) + W[i - 7] + - S0(W[i - 15]) + W[i - 16]; - } - - A = ctx->state[0]; - B = ctx->state[1]; - C = ctx->state[2]; - D = ctx->state[3]; - E = ctx->state[4]; - F = ctx->state[5]; - G = ctx->state[6]; - H = ctx->state[7]; - i = 0; - - do - { - P( A, B, C, D, E, F, G, H, W[i], K[i] ); i++; - P( H, A, B, C, D, E, F, G, W[i], K[i] ); i++; - P( G, H, A, B, C, D, E, F, W[i], K[i] ); i++; - P( F, G, H, A, B, C, D, E, W[i], K[i] ); i++; - P( E, F, G, H, A, B, C, D, W[i], K[i] ); i++; - P( D, E, F, G, H, A, B, C, W[i], K[i] ); i++; - P( C, D, E, F, G, H, A, B, W[i], K[i] ); i++; - P( B, C, D, E, F, G, H, A, W[i], K[i] ); i++; - } - while( i < 80 ); - - ctx->state[0] += A; - ctx->state[1] += B; - ctx->state[2] += C; - ctx->state[3] += D; - ctx->state[4] += E; - ctx->state[5] += F; - ctx->state[6] += G; - ctx->state[7] += H; -} - -/* - * SHA-512 process buffer - */ -void sha4_update( sha4_context *ctx, const unsigned char *input, size_t ilen ) -{ - size_t fill; - unsigned int left; - - if( ilen <= 0 ) - return; - - left = (unsigned int) (ctx->total[0] & 0x7F); - fill = 128 - left; - - ctx->total[0] += (unsigned long64) ilen; - - if( ctx->total[0] < (unsigned long64) ilen ) - ctx->total[1]++; - - if( left && ilen >= fill ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, fill ); - sha4_process( ctx, ctx->buffer ); - input += fill; - ilen -= fill; - left = 0; - } - - while( ilen >= 128 ) - { - sha4_process( ctx, input ); - input += 128; - ilen -= 128; - } - - if( ilen > 0 ) - { - memcpy( (void *) (ctx->buffer + left), - (void *) input, ilen ); - } -} - -static const unsigned char sha4_padding[128] = -{ - 0x80, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 -}; - -/* - * SHA-512 final digest - */ -void sha4_finish( sha4_context *ctx, unsigned char output[64] ) -{ - size_t last, padn; - unsigned long64 high, low; - unsigned char msglen[16]; - - high = ( ctx->total[0] >> 61 ) - | ( ctx->total[1] << 3 ); - low = ( ctx->total[0] << 3 ); - - PUT_UINT64_BE( high, msglen, 0 ); - PUT_UINT64_BE( low, msglen, 8 ); - - last = (size_t)( ctx->total[0] & 0x7F ); - padn = ( last < 112 ) ? ( 112 - last ) : ( 240 - last ); - - sha4_update( ctx, (unsigned char *) sha4_padding, padn ); - sha4_update( ctx, msglen, 16 ); - - PUT_UINT64_BE( ctx->state[0], output, 0 ); - PUT_UINT64_BE( ctx->state[1], output, 8 ); - PUT_UINT64_BE( ctx->state[2], output, 16 ); - PUT_UINT64_BE( ctx->state[3], output, 24 ); - PUT_UINT64_BE( ctx->state[4], output, 32 ); - PUT_UINT64_BE( ctx->state[5], output, 40 ); - - if( ctx->is384 == 0 ) - { - PUT_UINT64_BE( ctx->state[6], output, 48 ); - PUT_UINT64_BE( ctx->state[7], output, 56 ); - } -} - -/* - * output = SHA-512( input buffer ) - */ -void sha4( const unsigned char *input, size_t ilen, - unsigned char output[64], int is384 ) -{ - sha4_context ctx; - - sha4_starts( &ctx, is384 ); - sha4_update( &ctx, input, ilen ); - sha4_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha4_context ) ); -} - -#if defined(POLARSSL_FS_IO) -/* - * output = SHA-512( file contents ) - */ -int sha4_file( const char *path, unsigned char output[64], int is384 ) -{ - FILE *f; - size_t n; - sha4_context ctx; - unsigned char buf[1024]; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_SHA4_FILE_IO_ERROR ); - - sha4_starts( &ctx, is384 ); - - while( ( n = fread( buf, 1, sizeof( buf ), f ) ) > 0 ) - sha4_update( &ctx, buf, n ); - - sha4_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha4_context ) ); - - if( ferror( f ) != 0 ) - { - fclose( f ); - return( POLARSSL_ERR_SHA4_FILE_IO_ERROR ); - } - - fclose( f ); - return( 0 ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * SHA-512 HMAC context setup - */ -void sha4_hmac_starts( sha4_context *ctx, const unsigned char *key, size_t keylen, - int is384 ) -{ - size_t i; - unsigned char sum[64]; - - if( keylen > 128 ) - { - sha4( key, keylen, sum, is384 ); - keylen = ( is384 ) ? 48 : 64; - key = sum; - } - - memset( ctx->ipad, 0x36, 128 ); - memset( ctx->opad, 0x5C, 128 ); - - for( i = 0; i < keylen; i++ ) - { - ctx->ipad[i] = (unsigned char)( ctx->ipad[i] ^ key[i] ); - ctx->opad[i] = (unsigned char)( ctx->opad[i] ^ key[i] ); - } - - sha4_starts( ctx, is384 ); - sha4_update( ctx, ctx->ipad, 128 ); - - memset( sum, 0, sizeof( sum ) ); -} - -/* - * SHA-512 HMAC process buffer - */ -void sha4_hmac_update( sha4_context *ctx, - const unsigned char *input, size_t ilen ) -{ - sha4_update( ctx, input, ilen ); -} - -/* - * SHA-512 HMAC final digest - */ -void sha4_hmac_finish( sha4_context *ctx, unsigned char output[64] ) -{ - int is384, hlen; - unsigned char tmpbuf[64]; - - is384 = ctx->is384; - hlen = ( is384 == 0 ) ? 64 : 48; - - sha4_finish( ctx, tmpbuf ); - sha4_starts( ctx, is384 ); - sha4_update( ctx, ctx->opad, 128 ); - sha4_update( ctx, tmpbuf, hlen ); - sha4_finish( ctx, output ); - - memset( tmpbuf, 0, sizeof( tmpbuf ) ); -} - -/* - * SHA-512 HMAC context reset - */ -void sha4_hmac_reset( sha4_context *ctx ) -{ - sha4_starts( ctx, ctx->is384 ); - sha4_update( ctx, ctx->ipad, 128 ); -} - -/* - * output = HMAC-SHA-512( hmac key, input buffer ) - */ -void sha4_hmac( const unsigned char *key, size_t keylen, - const unsigned char *input, size_t ilen, - unsigned char output[64], int is384 ) -{ - sha4_context ctx; - - sha4_hmac_starts( &ctx, key, keylen, is384 ); - sha4_hmac_update( &ctx, input, ilen ); - sha4_hmac_finish( &ctx, output ); - - memset( &ctx, 0, sizeof( sha4_context ) ); -} - -#if defined(POLARSSL_SELF_TEST) - -/* - * FIPS-180-2 test vectors - */ -static unsigned char sha4_test_buf[3][113] = -{ - { "abc" }, - { "abcdefghbcdefghicdefghijdefghijkefghijklfghijklmghijklmn" - "hijklmnoijklmnopjklmnopqklmnopqrlmnopqrsmnopqrstnopqrstu" }, - { "" } -}; - -static const int sha4_test_buflen[3] = -{ - 3, 112, 1000 -}; - -static const unsigned char sha4_test_sum[6][64] = -{ - /* - * SHA-384 test vectors - */ - { 0xCB, 0x00, 0x75, 0x3F, 0x45, 0xA3, 0x5E, 0x8B, - 0xB5, 0xA0, 0x3D, 0x69, 0x9A, 0xC6, 0x50, 0x07, - 0x27, 0x2C, 0x32, 0xAB, 0x0E, 0xDE, 0xD1, 0x63, - 0x1A, 0x8B, 0x60, 0x5A, 0x43, 0xFF, 0x5B, 0xED, - 0x80, 0x86, 0x07, 0x2B, 0xA1, 0xE7, 0xCC, 0x23, - 0x58, 0xBA, 0xEC, 0xA1, 0x34, 0xC8, 0x25, 0xA7 }, - { 0x09, 0x33, 0x0C, 0x33, 0xF7, 0x11, 0x47, 0xE8, - 0x3D, 0x19, 0x2F, 0xC7, 0x82, 0xCD, 0x1B, 0x47, - 0x53, 0x11, 0x1B, 0x17, 0x3B, 0x3B, 0x05, 0xD2, - 0x2F, 0xA0, 0x80, 0x86, 0xE3, 0xB0, 0xF7, 0x12, - 0xFC, 0xC7, 0xC7, 0x1A, 0x55, 0x7E, 0x2D, 0xB9, - 0x66, 0xC3, 0xE9, 0xFA, 0x91, 0x74, 0x60, 0x39 }, - { 0x9D, 0x0E, 0x18, 0x09, 0x71, 0x64, 0x74, 0xCB, - 0x08, 0x6E, 0x83, 0x4E, 0x31, 0x0A, 0x4A, 0x1C, - 0xED, 0x14, 0x9E, 0x9C, 0x00, 0xF2, 0x48, 0x52, - 0x79, 0x72, 0xCE, 0xC5, 0x70, 0x4C, 0x2A, 0x5B, - 0x07, 0xB8, 0xB3, 0xDC, 0x38, 0xEC, 0xC4, 0xEB, - 0xAE, 0x97, 0xDD, 0xD8, 0x7F, 0x3D, 0x89, 0x85 }, - - /* - * SHA-512 test vectors - */ - { 0xDD, 0xAF, 0x35, 0xA1, 0x93, 0x61, 0x7A, 0xBA, - 0xCC, 0x41, 0x73, 0x49, 0xAE, 0x20, 0x41, 0x31, - 0x12, 0xE6, 0xFA, 0x4E, 0x89, 0xA9, 0x7E, 0xA2, - 0x0A, 0x9E, 0xEE, 0xE6, 0x4B, 0x55, 0xD3, 0x9A, - 0x21, 0x92, 0x99, 0x2A, 0x27, 0x4F, 0xC1, 0xA8, - 0x36, 0xBA, 0x3C, 0x23, 0xA3, 0xFE, 0xEB, 0xBD, - 0x45, 0x4D, 0x44, 0x23, 0x64, 0x3C, 0xE8, 0x0E, - 0x2A, 0x9A, 0xC9, 0x4F, 0xA5, 0x4C, 0xA4, 0x9F }, - { 0x8E, 0x95, 0x9B, 0x75, 0xDA, 0xE3, 0x13, 0xDA, - 0x8C, 0xF4, 0xF7, 0x28, 0x14, 0xFC, 0x14, 0x3F, - 0x8F, 0x77, 0x79, 0xC6, 0xEB, 0x9F, 0x7F, 0xA1, - 0x72, 0x99, 0xAE, 0xAD, 0xB6, 0x88, 0x90, 0x18, - 0x50, 0x1D, 0x28, 0x9E, 0x49, 0x00, 0xF7, 0xE4, - 0x33, 0x1B, 0x99, 0xDE, 0xC4, 0xB5, 0x43, 0x3A, - 0xC7, 0xD3, 0x29, 0xEE, 0xB6, 0xDD, 0x26, 0x54, - 0x5E, 0x96, 0xE5, 0x5B, 0x87, 0x4B, 0xE9, 0x09 }, - { 0xE7, 0x18, 0x48, 0x3D, 0x0C, 0xE7, 0x69, 0x64, - 0x4E, 0x2E, 0x42, 0xC7, 0xBC, 0x15, 0xB4, 0x63, - 0x8E, 0x1F, 0x98, 0xB1, 0x3B, 0x20, 0x44, 0x28, - 0x56, 0x32, 0xA8, 0x03, 0xAF, 0xA9, 0x73, 0xEB, - 0xDE, 0x0F, 0xF2, 0x44, 0x87, 0x7E, 0xA6, 0x0A, - 0x4C, 0xB0, 0x43, 0x2C, 0xE5, 0x77, 0xC3, 0x1B, - 0xEB, 0x00, 0x9C, 0x5C, 0x2C, 0x49, 0xAA, 0x2E, - 0x4E, 0xAD, 0xB2, 0x17, 0xAD, 0x8C, 0xC0, 0x9B } -}; - -/* - * RFC 4231 test vectors - */ -static unsigned char sha4_hmac_test_key[7][26] = -{ - { "\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B\x0B" - "\x0B\x0B\x0B\x0B" }, - { "Jefe" }, - { "\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA\xAA" - "\xAA\xAA\xAA\xAA" }, - { "\x01\x02\x03\x04\x05\x06\x07\x08\x09\x0A\x0B\x0C\x0D\x0E\x0F\x10" - "\x11\x12\x13\x14\x15\x16\x17\x18\x19" }, - { "\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C\x0C" - "\x0C\x0C\x0C\x0C" }, - { "" }, /* 0xAA 131 times */ - { "" } -}; - -static const int sha4_hmac_test_keylen[7] = -{ - 20, 4, 20, 25, 20, 131, 131 -}; - -static unsigned char sha4_hmac_test_buf[7][153] = -{ - { "Hi There" }, - { "what do ya want for nothing?" }, - { "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" - "\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD\xDD" }, - { "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" - "\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD\xCD" }, - { "Test With Truncation" }, - { "Test Using Larger Than Block-Size Key - Hash Key First" }, - { "This is a test using a larger than block-size key " - "and a larger than block-size data. The key needs to " - "be hashed before being used by the HMAC algorithm." } -}; - -static const int sha4_hmac_test_buflen[7] = -{ - 8, 28, 50, 50, 20, 54, 152 -}; - -static const unsigned char sha4_hmac_test_sum[14][64] = -{ - /* - * HMAC-SHA-384 test vectors - */ - { 0xAF, 0xD0, 0x39, 0x44, 0xD8, 0x48, 0x95, 0x62, - 0x6B, 0x08, 0x25, 0xF4, 0xAB, 0x46, 0x90, 0x7F, - 0x15, 0xF9, 0xDA, 0xDB, 0xE4, 0x10, 0x1E, 0xC6, - 0x82, 0xAA, 0x03, 0x4C, 0x7C, 0xEB, 0xC5, 0x9C, - 0xFA, 0xEA, 0x9E, 0xA9, 0x07, 0x6E, 0xDE, 0x7F, - 0x4A, 0xF1, 0x52, 0xE8, 0xB2, 0xFA, 0x9C, 0xB6 }, - { 0xAF, 0x45, 0xD2, 0xE3, 0x76, 0x48, 0x40, 0x31, - 0x61, 0x7F, 0x78, 0xD2, 0xB5, 0x8A, 0x6B, 0x1B, - 0x9C, 0x7E, 0xF4, 0x64, 0xF5, 0xA0, 0x1B, 0x47, - 0xE4, 0x2E, 0xC3, 0x73, 0x63, 0x22, 0x44, 0x5E, - 0x8E, 0x22, 0x40, 0xCA, 0x5E, 0x69, 0xE2, 0xC7, - 0x8B, 0x32, 0x39, 0xEC, 0xFA, 0xB2, 0x16, 0x49 }, - { 0x88, 0x06, 0x26, 0x08, 0xD3, 0xE6, 0xAD, 0x8A, - 0x0A, 0xA2, 0xAC, 0xE0, 0x14, 0xC8, 0xA8, 0x6F, - 0x0A, 0xA6, 0x35, 0xD9, 0x47, 0xAC, 0x9F, 0xEB, - 0xE8, 0x3E, 0xF4, 0xE5, 0x59, 0x66, 0x14, 0x4B, - 0x2A, 0x5A, 0xB3, 0x9D, 0xC1, 0x38, 0x14, 0xB9, - 0x4E, 0x3A, 0xB6, 0xE1, 0x01, 0xA3, 0x4F, 0x27 }, - { 0x3E, 0x8A, 0x69, 0xB7, 0x78, 0x3C, 0x25, 0x85, - 0x19, 0x33, 0xAB, 0x62, 0x90, 0xAF, 0x6C, 0xA7, - 0x7A, 0x99, 0x81, 0x48, 0x08, 0x50, 0x00, 0x9C, - 0xC5, 0x57, 0x7C, 0x6E, 0x1F, 0x57, 0x3B, 0x4E, - 0x68, 0x01, 0xDD, 0x23, 0xC4, 0xA7, 0xD6, 0x79, - 0xCC, 0xF8, 0xA3, 0x86, 0xC6, 0x74, 0xCF, 0xFB }, - { 0x3A, 0xBF, 0x34, 0xC3, 0x50, 0x3B, 0x2A, 0x23, - 0xA4, 0x6E, 0xFC, 0x61, 0x9B, 0xAE, 0xF8, 0x97 }, - { 0x4E, 0xCE, 0x08, 0x44, 0x85, 0x81, 0x3E, 0x90, - 0x88, 0xD2, 0xC6, 0x3A, 0x04, 0x1B, 0xC5, 0xB4, - 0x4F, 0x9E, 0xF1, 0x01, 0x2A, 0x2B, 0x58, 0x8F, - 0x3C, 0xD1, 0x1F, 0x05, 0x03, 0x3A, 0xC4, 0xC6, - 0x0C, 0x2E, 0xF6, 0xAB, 0x40, 0x30, 0xFE, 0x82, - 0x96, 0x24, 0x8D, 0xF1, 0x63, 0xF4, 0x49, 0x52 }, - { 0x66, 0x17, 0x17, 0x8E, 0x94, 0x1F, 0x02, 0x0D, - 0x35, 0x1E, 0x2F, 0x25, 0x4E, 0x8F, 0xD3, 0x2C, - 0x60, 0x24, 0x20, 0xFE, 0xB0, 0xB8, 0xFB, 0x9A, - 0xDC, 0xCE, 0xBB, 0x82, 0x46, 0x1E, 0x99, 0xC5, - 0xA6, 0x78, 0xCC, 0x31, 0xE7, 0x99, 0x17, 0x6D, - 0x38, 0x60, 0xE6, 0x11, 0x0C, 0x46, 0x52, 0x3E }, - - /* - * HMAC-SHA-512 test vectors - */ - { 0x87, 0xAA, 0x7C, 0xDE, 0xA5, 0xEF, 0x61, 0x9D, - 0x4F, 0xF0, 0xB4, 0x24, 0x1A, 0x1D, 0x6C, 0xB0, - 0x23, 0x79, 0xF4, 0xE2, 0xCE, 0x4E, 0xC2, 0x78, - 0x7A, 0xD0, 0xB3, 0x05, 0x45, 0xE1, 0x7C, 0xDE, - 0xDA, 0xA8, 0x33, 0xB7, 0xD6, 0xB8, 0xA7, 0x02, - 0x03, 0x8B, 0x27, 0x4E, 0xAE, 0xA3, 0xF4, 0xE4, - 0xBE, 0x9D, 0x91, 0x4E, 0xEB, 0x61, 0xF1, 0x70, - 0x2E, 0x69, 0x6C, 0x20, 0x3A, 0x12, 0x68, 0x54 }, - { 0x16, 0x4B, 0x7A, 0x7B, 0xFC, 0xF8, 0x19, 0xE2, - 0xE3, 0x95, 0xFB, 0xE7, 0x3B, 0x56, 0xE0, 0xA3, - 0x87, 0xBD, 0x64, 0x22, 0x2E, 0x83, 0x1F, 0xD6, - 0x10, 0x27, 0x0C, 0xD7, 0xEA, 0x25, 0x05, 0x54, - 0x97, 0x58, 0xBF, 0x75, 0xC0, 0x5A, 0x99, 0x4A, - 0x6D, 0x03, 0x4F, 0x65, 0xF8, 0xF0, 0xE6, 0xFD, - 0xCA, 0xEA, 0xB1, 0xA3, 0x4D, 0x4A, 0x6B, 0x4B, - 0x63, 0x6E, 0x07, 0x0A, 0x38, 0xBC, 0xE7, 0x37 }, - { 0xFA, 0x73, 0xB0, 0x08, 0x9D, 0x56, 0xA2, 0x84, - 0xEF, 0xB0, 0xF0, 0x75, 0x6C, 0x89, 0x0B, 0xE9, - 0xB1, 0xB5, 0xDB, 0xDD, 0x8E, 0xE8, 0x1A, 0x36, - 0x55, 0xF8, 0x3E, 0x33, 0xB2, 0x27, 0x9D, 0x39, - 0xBF, 0x3E, 0x84, 0x82, 0x79, 0xA7, 0x22, 0xC8, - 0x06, 0xB4, 0x85, 0xA4, 0x7E, 0x67, 0xC8, 0x07, - 0xB9, 0x46, 0xA3, 0x37, 0xBE, 0xE8, 0x94, 0x26, - 0x74, 0x27, 0x88, 0x59, 0xE1, 0x32, 0x92, 0xFB }, - { 0xB0, 0xBA, 0x46, 0x56, 0x37, 0x45, 0x8C, 0x69, - 0x90, 0xE5, 0xA8, 0xC5, 0xF6, 0x1D, 0x4A, 0xF7, - 0xE5, 0x76, 0xD9, 0x7F, 0xF9, 0x4B, 0x87, 0x2D, - 0xE7, 0x6F, 0x80, 0x50, 0x36, 0x1E, 0xE3, 0xDB, - 0xA9, 0x1C, 0xA5, 0xC1, 0x1A, 0xA2, 0x5E, 0xB4, - 0xD6, 0x79, 0x27, 0x5C, 0xC5, 0x78, 0x80, 0x63, - 0xA5, 0xF1, 0x97, 0x41, 0x12, 0x0C, 0x4F, 0x2D, - 0xE2, 0xAD, 0xEB, 0xEB, 0x10, 0xA2, 0x98, 0xDD }, - { 0x41, 0x5F, 0xAD, 0x62, 0x71, 0x58, 0x0A, 0x53, - 0x1D, 0x41, 0x79, 0xBC, 0x89, 0x1D, 0x87, 0xA6 }, - { 0x80, 0xB2, 0x42, 0x63, 0xC7, 0xC1, 0xA3, 0xEB, - 0xB7, 0x14, 0x93, 0xC1, 0xDD, 0x7B, 0xE8, 0xB4, - 0x9B, 0x46, 0xD1, 0xF4, 0x1B, 0x4A, 0xEE, 0xC1, - 0x12, 0x1B, 0x01, 0x37, 0x83, 0xF8, 0xF3, 0x52, - 0x6B, 0x56, 0xD0, 0x37, 0xE0, 0x5F, 0x25, 0x98, - 0xBD, 0x0F, 0xD2, 0x21, 0x5D, 0x6A, 0x1E, 0x52, - 0x95, 0xE6, 0x4F, 0x73, 0xF6, 0x3F, 0x0A, 0xEC, - 0x8B, 0x91, 0x5A, 0x98, 0x5D, 0x78, 0x65, 0x98 }, - { 0xE3, 0x7B, 0x6A, 0x77, 0x5D, 0xC8, 0x7D, 0xBA, - 0xA4, 0xDF, 0xA9, 0xF9, 0x6E, 0x5E, 0x3F, 0xFD, - 0xDE, 0xBD, 0x71, 0xF8, 0x86, 0x72, 0x89, 0x86, - 0x5D, 0xF5, 0xA3, 0x2D, 0x20, 0xCD, 0xC9, 0x44, - 0xB6, 0x02, 0x2C, 0xAC, 0x3C, 0x49, 0x82, 0xB1, - 0x0D, 0x5E, 0xEB, 0x55, 0xC3, 0xE4, 0xDE, 0x15, - 0x13, 0x46, 0x76, 0xFB, 0x6D, 0xE0, 0x44, 0x60, - 0x65, 0xC9, 0x74, 0x40, 0xFA, 0x8C, 0x6A, 0x58 } -}; - -/* - * Checkup routine - */ -int sha4_self_test( int verbose ) -{ - int i, j, k, buflen; - unsigned char buf[1024]; - unsigned char sha4sum[64]; - sha4_context ctx; - - for( i = 0; i < 6; i++ ) - { - j = i % 3; - k = i < 3; - - if( verbose != 0 ) - printf( " SHA-%d test #%d: ", 512 - k * 128, j + 1 ); - - sha4_starts( &ctx, k ); - - if( j == 2 ) - { - memset( buf, 'a', buflen = 1000 ); - - for( j = 0; j < 1000; j++ ) - sha4_update( &ctx, buf, buflen ); - } - else - sha4_update( &ctx, sha4_test_buf[j], - sha4_test_buflen[j] ); - - sha4_finish( &ctx, sha4sum ); - - if( memcmp( sha4sum, sha4_test_sum[i], 64 - k * 16 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - for( i = 0; i < 14; i++ ) - { - j = i % 7; - k = i < 7; - - if( verbose != 0 ) - printf( " HMAC-SHA-%d test #%d: ", 512 - k * 128, j + 1 ); - - if( j == 5 || j == 6 ) - { - memset( buf, '\xAA', buflen = 131 ); - sha4_hmac_starts( &ctx, buf, buflen, k ); - } - else - sha4_hmac_starts( &ctx, sha4_hmac_test_key[j], - sha4_hmac_test_keylen[j], k ); - - sha4_hmac_update( &ctx, sha4_hmac_test_buf[j], - sha4_hmac_test_buflen[j] ); - - sha4_hmac_finish( &ctx, sha4sum ); - - buflen = ( j == 4 ) ? 16 : 64 - k * 16; - - if( memcmp( sha4sum, sha4_hmac_test_sum[i], buflen ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif diff --git a/polarssl/src/library/ssl_cli.c b/polarssl/src/library/ssl_cli.c deleted file mode 100644 index 99120d5..0000000 --- a/polarssl/src/library/ssl_cli.c +++ /dev/null @@ -1,1130 +0,0 @@ -/* - * SSLv3/TLSv1 client-side functions - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_SSL_CLI_C) - -#include "polarssl/debug.h" -#include "polarssl/ssl.h" - -#if defined(POLARSSL_PKCS11_C) -#include "polarssl/pkcs11.h" -#endif /* defined(POLARSSL_PKCS11_C) */ - -#include <stdlib.h> -#include <stdio.h> -#include <time.h> - -#if defined(POLARSSL_SHA4_C) -#include "polarssl/sha4.h" -#endif - -static int ssl_write_client_hello( ssl_context *ssl ) -{ - int ret; - size_t i, n, ext_len = 0; - unsigned char *buf; - unsigned char *p; - time_t t; - unsigned char sig_alg_list[20]; - size_t sig_alg_len = 0; - - SSL_DEBUG_MSG( 2, ( "=> write client hello" ) ); - - ssl->major_ver = SSL_MAJOR_VERSION_3; - ssl->minor_ver = SSL_MINOR_VERSION_0; - - if( ssl->max_major_ver == 0 && ssl->max_minor_ver == 0 ) - { - ssl->max_major_ver = SSL_MAJOR_VERSION_3; - ssl->max_minor_ver = SSL_MINOR_VERSION_3; - } - - /* - * 0 . 0 handshake type - * 1 . 3 handshake length - * 4 . 5 highest version supported - * 6 . 9 current UNIX time - * 10 . 37 random bytes - */ - buf = ssl->out_msg; - p = buf + 4; - - *p++ = (unsigned char) ssl->max_major_ver; - *p++ = (unsigned char) ssl->max_minor_ver; - - SSL_DEBUG_MSG( 3, ( "client hello, max version: [%d:%d]", - buf[4], buf[5] ) ); - - t = time( NULL ); - *p++ = (unsigned char)( t >> 24 ); - *p++ = (unsigned char)( t >> 16 ); - *p++ = (unsigned char)( t >> 8 ); - *p++ = (unsigned char)( t ); - - SSL_DEBUG_MSG( 3, ( "client hello, current time: %lu", t ) ); - - if( ( ret = ssl->f_rng( ssl->p_rng, p, 28 ) ) != 0 ) - return( ret ); - - p += 28; - - memcpy( ssl->randbytes, buf + 6, 32 ); - - SSL_DEBUG_BUF( 3, "client hello, random bytes", buf + 6, 32 ); - - /* - * 38 . 38 session id length - * 39 . 39+n session id - * 40+n . 41+n ciphersuitelist length - * 42+n . .. ciphersuitelist - * .. . .. compression methods length - * .. . .. compression methods - * .. . .. extensions length - * .. . .. extensions - */ - n = ssl->session->length; - - if( n < 16 || n > 32 || ssl->resume == 0 || - ( ssl->timeout != 0 && t - ssl->session->start > ssl->timeout ) ) - n = 0; - - *p++ = (unsigned char) n; - - for( i = 0; i < n; i++ ) - *p++ = ssl->session->id[i]; - - SSL_DEBUG_MSG( 3, ( "client hello, session id len.: %d", n ) ); - SSL_DEBUG_BUF( 3, "client hello, session id", buf + 39, n ); - - for( n = 0; ssl->ciphersuites[n] != 0; n++ ); - *p++ = (unsigned char)( n >> 7 ); - *p++ = (unsigned char)( n << 1 ); - - SSL_DEBUG_MSG( 3, ( "client hello, got %d ciphersuites", n ) ); - - for( i = 0; i < n; i++ ) - { - SSL_DEBUG_MSG( 3, ( "client hello, add ciphersuite: %2d", - ssl->ciphersuites[i] ) ); - - *p++ = (unsigned char)( ssl->ciphersuites[i] >> 8 ); - *p++ = (unsigned char)( ssl->ciphersuites[i] ); - } - - SSL_DEBUG_MSG( 3, ( "client hello, compress len.: %d", 1 ) ); - SSL_DEBUG_MSG( 3, ( "client hello, compress alg.: %d", 0 ) ); - - *p++ = 1; - *p++ = SSL_COMPRESS_NULL; - - if ( ssl->hostname != NULL ) - { - SSL_DEBUG_MSG( 3, ( "client hello, prepping for server name extension: %s", - ssl->hostname ) ); - - ext_len += ssl->hostname_len + 9; - } - - /* - * Prepare signature_algorithms extension (TLS 1.2) - */ - if( ssl->max_minor_ver == SSL_MINOR_VERSION_3 ) - { -#if defined(POLARSSL_SHA4_C) - sig_alg_list[sig_alg_len++] = SSL_HASH_SHA512; - sig_alg_list[sig_alg_len++] = SSL_SIG_RSA; - sig_alg_list[sig_alg_len++] = SSL_HASH_SHA384; - sig_alg_list[sig_alg_len++] = SSL_SIG_RSA; -#endif -#if defined(POLARSSL_SHA2_C) - sig_alg_list[sig_alg_len++] = SSL_HASH_SHA256; - sig_alg_list[sig_alg_len++] = SSL_SIG_RSA; - sig_alg_list[sig_alg_len++] = SSL_HASH_SHA224; - sig_alg_list[sig_alg_len++] = SSL_SIG_RSA; -#endif -#if defined(POLARSSL_SHA1_C) - sig_alg_list[sig_alg_len++] = SSL_HASH_SHA1; - sig_alg_list[sig_alg_len++] = SSL_SIG_RSA; -#endif -#if defined(POLARSSL_MD5_C) - sig_alg_list[sig_alg_len++] = SSL_HASH_MD5; - sig_alg_list[sig_alg_len++] = SSL_SIG_RSA; -#endif - ext_len = 6 + sig_alg_len; - } - - SSL_DEBUG_MSG( 3, ( "client hello, total extension length: %d", - ext_len ) ); - - *p++ = (unsigned char)( ( ext_len >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( ext_len ) & 0xFF ); - - if ( ssl->hostname != NULL ) - { - /* - * struct { - * NameType name_type; - * select (name_type) { - * case host_name: HostName; - * } name; - * } ServerName; - * - * enum { - * host_name(0), (255) - * } NameType; - * - * opaque HostName<1..2^16-1>; - * - * struct { - * ServerName server_name_list<1..2^16-1> - * } ServerNameList; - */ - SSL_DEBUG_MSG( 3, ( "client hello, adding server name extension: %s", - ssl->hostname ) ); - - *p++ = (unsigned char)( ( TLS_EXT_SERVERNAME >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( TLS_EXT_SERVERNAME ) & 0xFF ); - - *p++ = (unsigned char)( ( (ssl->hostname_len + 5) >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( (ssl->hostname_len + 5) ) & 0xFF ); - - *p++ = (unsigned char)( ( (ssl->hostname_len + 3) >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( (ssl->hostname_len + 3) ) & 0xFF ); - - *p++ = (unsigned char)( ( TLS_EXT_SERVERNAME_HOSTNAME ) & 0xFF ); - *p++ = (unsigned char)( ( ssl->hostname_len >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( ssl->hostname_len ) & 0xFF ); - - memcpy( p, ssl->hostname, ssl->hostname_len ); - - p += ssl->hostname_len; - } - - if( ssl->max_minor_ver == SSL_MINOR_VERSION_3 ) - { - /* - * enum { - * none(0), md5(1), sha1(2), sha224(3), sha256(4), sha384(5), - * sha512(6), (255) - * } HashAlgorithm; - * - * enum { anonymous(0), rsa(1), dsa(2), ecdsa(3), (255) } - * SignatureAlgorithm; - * - * struct { - * HashAlgorithm hash; - * SignatureAlgorithm signature; - * } SignatureAndHashAlgorithm; - * - * SignatureAndHashAlgorithm - * supported_signature_algorithms<2..2^16-2>; - */ - SSL_DEBUG_MSG( 3, ( "client hello, adding signature_algorithms extension" ) ); - - *p++ = (unsigned char)( ( TLS_EXT_SIG_ALG >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( TLS_EXT_SIG_ALG ) & 0xFF ); - - *p++ = (unsigned char)( ( ( sig_alg_len + 2 ) >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( ( sig_alg_len + 2 ) ) & 0xFF ); - - *p++ = (unsigned char)( ( sig_alg_len >> 8 ) & 0xFF ); - *p++ = (unsigned char)( ( sig_alg_len ) & 0xFF ); - - memcpy( p, sig_alg_list, sig_alg_len ); - - p += sig_alg_len; - } - - ssl->out_msglen = p - buf; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_CLIENT_HELLO; - - ssl->state++; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write client hello" ) ); - - return( 0 ); -} - -static int ssl_parse_server_hello( ssl_context *ssl ) -{ -#if defined(POLARSSL_DEBUG_C) - time_t t; -#endif - int ret, i; - size_t n; - int ext_len; - unsigned char *buf; - - SSL_DEBUG_MSG( 2, ( "=> parse server hello" ) ); - - /* - * 0 . 0 handshake type - * 1 . 3 handshake length - * 4 . 5 protocol version - * 6 . 9 UNIX time() - * 10 . 37 random bytes - */ - buf = ssl->in_msg; - - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - - SSL_DEBUG_MSG( 3, ( "server hello, chosen version: [%d:%d]", - buf[4], buf[5] ) ); - - if( ssl->in_hslen < 42 || - buf[0] != SSL_HS_SERVER_HELLO || - buf[4] != SSL_MAJOR_VERSION_3 ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO ); - } - - if( buf[5] > ssl->max_minor_ver ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO ); - } - - ssl->minor_ver = buf[5]; - -#if defined(POLARSSL_DEBUG_C) - t = ( (time_t) buf[6] << 24 ) - | ( (time_t) buf[7] << 16 ) - | ( (time_t) buf[8] << 8 ) - | ( (time_t) buf[9] ); -#endif - - memcpy( ssl->randbytes + 32, buf + 6, 32 ); - - n = buf[38]; - - SSL_DEBUG_MSG( 3, ( "server hello, current time: %lu", t ) ); - SSL_DEBUG_BUF( 3, "server hello, random bytes", buf + 6, 32 ); - - /* - * 38 . 38 session id length - * 39 . 38+n session id - * 39+n . 40+n chosen ciphersuite - * 41+n . 41+n chosen compression alg. - * 42+n . 43+n extensions length - * 44+n . 44+n+m extensions - */ - if( n > 32 || ssl->in_hslen > 42 + n ) - { - ext_len = ( ( buf[42 + n] << 8 ) - | ( buf[43 + n] ) ) + 2; - } - else - { - ext_len = 0; - } - - if( n > 32 || ssl->in_hslen != 42 + n + ext_len ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO ); - } - - i = ( buf[39 + n] << 8 ) | buf[40 + n]; - - /* - * Initialize update checksum functions - */ - ssl_kickstart_checksum( ssl, i, buf, ssl->in_hslen ); - - SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %d", n ) ); - SSL_DEBUG_BUF( 3, "server hello, session id", buf + 39, n ); - - /* - * Check if the session can be resumed - */ - if( ssl->resume == 0 || n == 0 || - ssl->session->ciphersuite != i || - ssl->session->length != n || - memcmp( ssl->session->id, buf + 39, n ) != 0 ) - { - ssl->state++; - ssl->resume = 0; - ssl->session->start = time( NULL ); - ssl->session->ciphersuite = i; - ssl->session->length = n; - memcpy( ssl->session->id, buf + 39, n ); - } - else - { - ssl->state = SSL_SERVER_CHANGE_CIPHER_SPEC; - - if( ( ret = ssl_derive_keys( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_derive_keys", ret ); - return( ret ); - } - } - - SSL_DEBUG_MSG( 3, ( "%s session has been resumed", - ssl->resume ? "a" : "no" ) ); - - SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %d", i ) ); - SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", buf[41 + n] ) ); - - i = 0; - while( 1 ) - { - if( ssl->ciphersuites[i] == 0 ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO ); - } - - if( ssl->ciphersuites[i++] == ssl->session->ciphersuite ) - break; - } - - if( buf[41 + n] != SSL_COMPRESS_NULL ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO ); - } - - /* TODO: Process extensions */ - - SSL_DEBUG_MSG( 2, ( "<= parse server hello" ) ); - - return( 0 ); -} - -static int ssl_parse_server_key_exchange( ssl_context *ssl ) -{ -#if defined(POLARSSL_DHM_C) - int ret; - size_t n; - unsigned char *p, *end; - unsigned char hash[64]; - md5_context md5; - sha1_context sha1; - int hash_id = SIG_RSA_RAW; - unsigned int hashlen = 0; -#endif - - SSL_DEBUG_MSG( 2, ( "=> parse server key exchange" ) ); - - if( ssl->session->ciphersuite != SSL_EDH_RSA_DES_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_DES_168_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_128_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_256_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_128_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_256_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_128_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_256_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_128_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_256_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_128_GCM_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - SSL_DEBUG_MSG( 2, ( "<= skip parse server key exchange" ) ); - ssl->state++; - return( 0 ); - } - -#if !defined(POLARSSL_DHM_C) - SSL_DEBUG_MSG( 1, ( "support for dhm in not available" ) ); - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); -#else - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - - if( ssl->in_msg[0] != SSL_HS_SERVER_KEY_EXCHANGE ) - { - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); - } - - SSL_DEBUG_BUF( 3, "server key exchange", ssl->in_msg + 4, ssl->in_hslen - 4 ); - - /* - * Ephemeral DH parameters: - * - * struct { - * opaque dh_p<1..2^16-1>; - * opaque dh_g<1..2^16-1>; - * opaque dh_Ys<1..2^16-1>; - * } ServerDHParams; - */ - p = ssl->in_msg + 4; - end = ssl->in_msg + ssl->in_hslen; - - if( ( ret = dhm_read_params( &ssl->dhm_ctx, &p, end ) ) != 0 ) - { - SSL_DEBUG_MSG( 2, ( "DHM Read Params returned -0x%x", -ret ) ); - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); - } - - if( ssl->minor_ver == SSL_MINOR_VERSION_3 ) - { - if( p[1] != SSL_SIG_RSA ) - { - SSL_DEBUG_MSG( 2, ( "Server used unsupported SignatureAlgorithm %d", p[1] ) ); - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); - } - - switch( p[0] ) - { -#if defined(POLARSSL_MD5_C) - case SSL_HASH_MD5: - hash_id = SIG_RSA_MD5; - break; -#endif -#if defined(POLARSSL_SHA1_C) - case SSL_HASH_SHA1: - hash_id = SIG_RSA_SHA1; - break; -#endif -#if defined(POLARSSL_SHA2_C) - case SSL_HASH_SHA224: - hash_id = SIG_RSA_SHA224; - break; - case SSL_HASH_SHA256: - hash_id = SIG_RSA_SHA256; - break; -#endif -#if defined(POLARSSL_SHA4_C) - case SSL_HASH_SHA384: - hash_id = SIG_RSA_SHA384; - break; - case SSL_HASH_SHA512: - hash_id = SIG_RSA_SHA512; - break; -#endif - default: - SSL_DEBUG_MSG( 2, ( "Server used unsupported HashAlgorithm %d", p[0] ) ); - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); - } - - SSL_DEBUG_MSG( 2, ( "Server used SignatureAlgorithm %d", p[1] ) ); - SSL_DEBUG_MSG( 2, ( "Server used HashAlgorithm %d", p[0] ) ); - p += 2; - } - - n = ( p[0] << 8 ) | p[1]; - p += 2; - - if( end != p + n ) - { - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); - } - - if( (unsigned int)( end - p ) != ssl->peer_cert->rsa.len ) - { - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); - } - - if( ssl->dhm_ctx.len < 64 || ssl->dhm_ctx.len > 512 ) - { - SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_KEY_EXCHANGE ); - } - - SSL_DEBUG_MPI( 3, "DHM: P ", &ssl->dhm_ctx.P ); - SSL_DEBUG_MPI( 3, "DHM: G ", &ssl->dhm_ctx.G ); - SSL_DEBUG_MPI( 3, "DHM: GY", &ssl->dhm_ctx.GY ); - - if( ssl->minor_ver != SSL_MINOR_VERSION_3 ) - { - /* - * digitally-signed struct { - * opaque md5_hash[16]; - * opaque sha_hash[20]; - * }; - * - * md5_hash - * MD5(ClientHello.random + ServerHello.random - * + ServerParams); - * sha_hash - * SHA(ClientHello.random + ServerHello.random - * + ServerParams); - */ - n = ssl->in_hslen - ( end - p ) - 6; - - md5_starts( &md5 ); - md5_update( &md5, ssl->randbytes, 64 ); - md5_update( &md5, ssl->in_msg + 4, n ); - md5_finish( &md5, hash ); - - sha1_starts( &sha1 ); - sha1_update( &sha1, ssl->randbytes, 64 ); - sha1_update( &sha1, ssl->in_msg + 4, n ); - sha1_finish( &sha1, hash + 16 ); - - hash_id = SIG_RSA_RAW; - hashlen = 36; - } - else - { - sha2_context sha2; - sha4_context sha4; - - n = ssl->in_hslen - ( end - p ) - 8; - - /* - * digitally-signed struct { - * opaque client_random[32]; - * opaque server_random[32]; - * ServerDHParams params; - * }; - */ - switch( hash_id ) - { -#if defined(POLARSSL_MD5_C) - case SIG_RSA_MD5: - md5_starts( &md5 ); - md5_update( &md5, ssl->randbytes, 64 ); - md5_update( &md5, ssl->in_msg + 4, n ); - md5_finish( &md5, hash ); - hashlen = 16; - break; -#endif -#if defined(POLARSSL_SHA1_C) - case SIG_RSA_SHA1: - sha1_starts( &sha1 ); - sha1_update( &sha1, ssl->randbytes, 64 ); - sha1_update( &sha1, ssl->in_msg + 4, n ); - sha1_finish( &sha1, hash ); - hashlen = 20; - break; -#endif -#if defined(POLARSSL_SHA2_C) - case SIG_RSA_SHA224: - sha2_starts( &sha2, 1 ); - sha2_update( &sha2, ssl->randbytes, 64 ); - sha2_update( &sha2, ssl->in_msg + 4, n ); - sha2_finish( &sha2, hash ); - hashlen = 28; - break; - case SIG_RSA_SHA256: - sha2_starts( &sha2, 0 ); - sha2_update( &sha2, ssl->randbytes, 64 ); - sha2_update( &sha2, ssl->in_msg + 4, n ); - sha2_finish( &sha2, hash ); - hashlen = 32; - break; -#endif -#if defined(POLARSSL_SHA4_C) - case SIG_RSA_SHA384: - sha4_starts( &sha4, 1 ); - sha4_update( &sha4, ssl->randbytes, 64 ); - sha4_update( &sha4, ssl->in_msg + 4, n ); - sha4_finish( &sha4, hash ); - hashlen = 48; - break; - case SIG_RSA_SHA512: - sha4_starts( &sha4, 0 ); - sha4_update( &sha4, ssl->randbytes, 64 ); - sha4_update( &sha4, ssl->in_msg + 4, n ); - sha4_finish( &sha4, hash ); - hashlen = 64; - break; -#endif - } - } - - SSL_DEBUG_BUF( 3, "parameters hash", hash, hashlen ); - - if( ( ret = rsa_pkcs1_verify( &ssl->peer_cert->rsa, RSA_PUBLIC, - hash_id, hashlen, hash, p ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "rsa_pkcs1_verify", ret ); - return( ret ); - } - - ssl->state++; - - SSL_DEBUG_MSG( 2, ( "<= parse server key exchange" ) ); - - return( 0 ); -#endif -} - -static int ssl_parse_certificate_request( ssl_context *ssl ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> parse certificate request" ) ); - - /* - * 0 . 0 handshake type - * 1 . 3 handshake length - * 4 . 5 SSL version - * 6 . 6 cert type count - * 7 .. n-1 cert types - * n .. n+1 length of all DNs - * n+2 .. n+3 length of DN 1 - * n+4 .. ... Distinguished Name #1 - * ... .. ... length of DN 2, etc. - */ - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate request message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - - ssl->client_auth = 0; - ssl->state++; - - if( ssl->in_msg[0] == SSL_HS_CERTIFICATE_REQUEST ) - ssl->client_auth++; - - SSL_DEBUG_MSG( 3, ( "got %s certificate request", - ssl->client_auth ? "a" : "no" ) ); - - SSL_DEBUG_MSG( 2, ( "<= parse certificate request" ) ); - - return( 0 ); -} - -static int ssl_parse_server_hello_done( ssl_context *ssl ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> parse server hello done" ) ); - - if( ssl->client_auth != 0 ) - { - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - } - - if( ssl->in_hslen != 4 || - ssl->in_msg[0] != SSL_HS_SERVER_HELLO_DONE ) - { - SSL_DEBUG_MSG( 1, ( "bad server hello done message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_SERVER_HELLO_DONE ); - } - - ssl->state++; - - SSL_DEBUG_MSG( 2, ( "<= parse server hello done" ) ); - - return( 0 ); -} - -static int ssl_write_client_key_exchange( ssl_context *ssl ) -{ - int ret; - size_t i, n; - - SSL_DEBUG_MSG( 2, ( "=> write client key exchange" ) ); - - if( ssl->session->ciphersuite == SSL_EDH_RSA_DES_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_DES_168_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_GCM_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { -#if !defined(POLARSSL_DHM_C) - SSL_DEBUG_MSG( 1, ( "support for dhm in not available" ) ); - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); -#else - /* - * DHM key exchange -- send G^X mod P - */ - n = ssl->dhm_ctx.len; - - ssl->out_msg[4] = (unsigned char)( n >> 8 ); - ssl->out_msg[5] = (unsigned char)( n ); - i = 6; - - ret = dhm_make_public( &ssl->dhm_ctx, 256, - &ssl->out_msg[i], n, - ssl->f_rng, ssl->p_rng ); - if( ret != 0 ) - { - SSL_DEBUG_RET( 1, "dhm_make_public", ret ); - return( ret ); - } - - SSL_DEBUG_MPI( 3, "DHM: X ", &ssl->dhm_ctx.X ); - SSL_DEBUG_MPI( 3, "DHM: GX", &ssl->dhm_ctx.GX ); - - ssl->pmslen = ssl->dhm_ctx.len; - - if( ( ret = dhm_calc_secret( &ssl->dhm_ctx, - ssl->premaster, - &ssl->pmslen ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "dhm_calc_secret", ret ); - return( ret ); - } - - SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->dhm_ctx.K ); -#endif - } - else - { - /* - * RSA key exchange -- send rsa_public(pkcs1 v1.5(premaster)) - */ - ssl->premaster[0] = (unsigned char) ssl->max_major_ver; - ssl->premaster[1] = (unsigned char) ssl->max_minor_ver; - ssl->pmslen = 48; - - ret = ssl->f_rng( ssl->p_rng, ssl->premaster + 2, ssl->pmslen - 2 ); - if( ret != 0 ) - return( ret ); - - i = 4; - n = ssl->peer_cert->rsa.len; - - if( ssl->minor_ver != SSL_MINOR_VERSION_0 ) - { - i += 2; - ssl->out_msg[4] = (unsigned char)( n >> 8 ); - ssl->out_msg[5] = (unsigned char)( n ); - } - - ret = rsa_pkcs1_encrypt( &ssl->peer_cert->rsa, - ssl->f_rng, ssl->p_rng, - RSA_PUBLIC, - ssl->pmslen, ssl->premaster, - ssl->out_msg + i ); - if( ret != 0 ) - { - SSL_DEBUG_RET( 1, "rsa_pkcs1_encrypt", ret ); - return( ret ); - } - } - - if( ( ret = ssl_derive_keys( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_derive_keys", ret ); - return( ret ); - } - - ssl->out_msglen = i + n; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_CLIENT_KEY_EXCHANGE; - - ssl->state++; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write client key exchange" ) ); - - return( 0 ); -} - -static int ssl_write_certificate_verify( ssl_context *ssl ) -{ - int ret = 0; - size_t n = 0, offset = 0; - unsigned char hash[48]; - int hash_id = SIG_RSA_RAW; - unsigned int hashlen = 36; - - SSL_DEBUG_MSG( 2, ( "=> write certificate verify" ) ); - - if( ssl->client_auth == 0 || ssl->own_cert == NULL ) - { - SSL_DEBUG_MSG( 2, ( "<= skip write certificate verify" ) ); - ssl->state++; - return( 0 ); - } - - if( ssl->minor_ver == SSL_MINOR_VERSION_3 ) - { - // TODO TLS1.2 Should be based on allowed signature algorithm received in - // Certificate Request according to RFC 5246. But OpenSSL only allows - // SHA256 and SHA384. Find out why OpenSSL does this. - // - if( ssl->session->ciphersuite == SSL_RSA_AES_256_GCM_SHA384 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - hash_id = SIG_RSA_SHA384; - hashlen = 48; - } - else - { - hash_id = SIG_RSA_SHA256; - hashlen = 32; - } - } - - if( ssl->rsa_key == NULL ) - { -#if defined(POLARSSL_PKCS11_C) - if( ssl->pkcs11_key == NULL ) - { -#endif /* defined(POLARSSL_PKCS11_C) */ - SSL_DEBUG_MSG( 1, ( "got no private key" ) ); - return( POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED ); -#if defined(POLARSSL_PKCS11_C) - } -#endif /* defined(POLARSSL_PKCS11_C) */ - } - - /* - * Make an RSA signature of the handshake digests - */ - ssl->calc_verify( ssl, hash ); - - if ( ssl->rsa_key ) - n = ssl->rsa_key->len; -#if defined(POLARSSL_PKCS11_C) - else - n = ssl->pkcs11_key->len; -#endif /* defined(POLARSSL_PKCS11_C) */ - - if( ssl->minor_ver == SSL_MINOR_VERSION_3 ) - { - // TODO TLS1.2 Should be based on allowed signature algorithm received in - // Certificate Request according to RFC 5246. But OpenSSL only allows - // SHA256 and SHA384. Find out why OpenSSL does this. - // - if( ssl->session->ciphersuite == SSL_RSA_AES_256_GCM_SHA384 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - ssl->out_msg[4] = SSL_HASH_SHA384; - ssl->out_msg[5] = SSL_SIG_RSA; - } - else - { - ssl->out_msg[4] = SSL_HASH_SHA256; - ssl->out_msg[5] = SSL_SIG_RSA; - } - - offset = 2; - } - - ssl->out_msg[4 + offset] = (unsigned char)( n >> 8 ); - ssl->out_msg[5 + offset] = (unsigned char)( n ); - - if( ssl->rsa_key ) - { - ret = rsa_pkcs1_sign( ssl->rsa_key, ssl->f_rng, ssl->p_rng, - RSA_PRIVATE, hash_id, - hashlen, hash, ssl->out_msg + 6 + offset ); - } else { -#if defined(POLARSSL_PKCS11_C) - ret = pkcs11_sign( ssl->pkcs11_key, RSA_PRIVATE, hash_id, - hashlen, hash, ssl->out_msg + 6 + offset ); -#endif /* defined(POLARSSL_PKCS11_C) */ - } - - if (ret != 0) - { - SSL_DEBUG_RET( 1, "pkcs1_sign", ret ); - return( ret ); - } - - ssl->out_msglen = 6 + n + offset; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_CERTIFICATE_VERIFY; - - ssl->state++; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write certificate verify" ) ); - - return( 0 ); -} - -/* - * SSL handshake -- client side - */ -int ssl_handshake_client( ssl_context *ssl ) -{ - int ret = 0; - - SSL_DEBUG_MSG( 2, ( "=> handshake client" ) ); - - while( ssl->state != SSL_HANDSHAKE_OVER ) - { - SSL_DEBUG_MSG( 2, ( "client state: %d", ssl->state ) ); - - if( ( ret = ssl_flush_output( ssl ) ) != 0 ) - break; - - switch( ssl->state ) - { - case SSL_HELLO_REQUEST: - ssl->state = SSL_CLIENT_HELLO; - break; - - /* - * ==> ClientHello - */ - case SSL_CLIENT_HELLO: - ret = ssl_write_client_hello( ssl ); - break; - - /* - * <== ServerHello - * Certificate - * ( ServerKeyExchange ) - * ( CertificateRequest ) - * ServerHelloDone - */ - case SSL_SERVER_HELLO: - ret = ssl_parse_server_hello( ssl ); - break; - - case SSL_SERVER_CERTIFICATE: - ret = ssl_parse_certificate( ssl ); - break; - - case SSL_SERVER_KEY_EXCHANGE: - ret = ssl_parse_server_key_exchange( ssl ); - break; - - case SSL_CERTIFICATE_REQUEST: - ret = ssl_parse_certificate_request( ssl ); - break; - - case SSL_SERVER_HELLO_DONE: - ret = ssl_parse_server_hello_done( ssl ); - break; - - /* - * ==> ( Certificate/Alert ) - * ClientKeyExchange - * ( CertificateVerify ) - * ChangeCipherSpec - * Finished - */ - case SSL_CLIENT_CERTIFICATE: - ret = ssl_write_certificate( ssl ); - break; - - case SSL_CLIENT_KEY_EXCHANGE: - ret = ssl_write_client_key_exchange( ssl ); - break; - - case SSL_CERTIFICATE_VERIFY: - ret = ssl_write_certificate_verify( ssl ); - break; - - case SSL_CLIENT_CHANGE_CIPHER_SPEC: - ret = ssl_write_change_cipher_spec( ssl ); - break; - - case SSL_CLIENT_FINISHED: - ret = ssl_write_finished( ssl ); - break; - - /* - * <== ChangeCipherSpec - * Finished - */ - case SSL_SERVER_CHANGE_CIPHER_SPEC: - ret = ssl_parse_change_cipher_spec( ssl ); - break; - - case SSL_SERVER_FINISHED: - ret = ssl_parse_finished( ssl ); - break; - - case SSL_FLUSH_BUFFERS: - SSL_DEBUG_MSG( 2, ( "handshake: done" ) ); - ssl->state = SSL_HANDSHAKE_OVER; - break; - - default: - SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) ); - return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); - } - - if( ret != 0 ) - break; - } - - SSL_DEBUG_MSG( 2, ( "<= handshake client" ) ); - - return( ret ); -} - -#endif diff --git a/polarssl/src/library/ssl_srv.c b/polarssl/src/library/ssl_srv.c deleted file mode 100644 index ecf1536..0000000 --- a/polarssl/src/library/ssl_srv.c +++ /dev/null @@ -1,1080 +0,0 @@ -/* - * SSLv3/TLSv1 server-side functions - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_SSL_SRV_C) - -#include "polarssl/debug.h" -#include "polarssl/ssl.h" - -#if defined(POLARSSL_PKCS11_C) -#include "polarssl/pkcs11.h" -#endif /* defined(POLARSSL_PKCS11_C) */ - -#include <stdlib.h> -#include <stdio.h> -#include <time.h> - -static int ssl_parse_client_hello( ssl_context *ssl ) -{ - int ret; - unsigned int i, j; - size_t n; - unsigned int ciph_len, sess_len; - unsigned int chal_len, comp_len; - unsigned char *buf, *p; - - SSL_DEBUG_MSG( 2, ( "=> parse client hello" ) ); - - if( ( ret = ssl_fetch_input( ssl, 5 ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_fetch_input", ret ); - return( ret ); - } - - buf = ssl->in_hdr; - - if( ( buf[0] & 0x80 ) != 0 ) - { - SSL_DEBUG_BUF( 4, "record header", buf, 5 ); - - SSL_DEBUG_MSG( 3, ( "client hello v2, message type: %d", - buf[2] ) ); - SSL_DEBUG_MSG( 3, ( "client hello v2, message len.: %d", - ( ( buf[0] & 0x7F ) << 8 ) | buf[1] ) ); - SSL_DEBUG_MSG( 3, ( "client hello v2, max. version: [%d:%d]", - buf[3], buf[4] ) ); - - /* - * SSLv2 Client Hello - * - * Record layer: - * 0 . 1 message length - * - * SSL layer: - * 2 . 2 message type - * 3 . 4 protocol version - */ - if( buf[2] != SSL_HS_CLIENT_HELLO || - buf[3] != SSL_MAJOR_VERSION_3 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - n = ( ( buf[0] << 8 ) | buf[1] ) & 0x7FFF; - - if( n < 17 || n > 512 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - ssl->max_major_ver = buf[3]; - ssl->max_minor_ver = buf[4]; - - ssl->major_ver = SSL_MAJOR_VERSION_3; - ssl->minor_ver = ( buf[4] <= SSL_MINOR_VERSION_3 ) - ? buf[4] : SSL_MINOR_VERSION_3; - - if( ( ret = ssl_fetch_input( ssl, 2 + n ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_fetch_input", ret ); - return( ret ); - } - - ssl->update_checksum( ssl, buf + 2, n ); - - buf = ssl->in_msg; - n = ssl->in_left - 5; - - /* - * 0 . 1 ciphersuitelist length - * 2 . 3 session id length - * 4 . 5 challenge length - * 6 . .. ciphersuitelist - * .. . .. session id - * .. . .. challenge - */ - SSL_DEBUG_BUF( 4, "record contents", buf, n ); - - ciph_len = ( buf[0] << 8 ) | buf[1]; - sess_len = ( buf[2] << 8 ) | buf[3]; - chal_len = ( buf[4] << 8 ) | buf[5]; - - SSL_DEBUG_MSG( 3, ( "ciph_len: %d, sess_len: %d, chal_len: %d", - ciph_len, sess_len, chal_len ) ); - - /* - * Make sure each parameter length is valid - */ - if( ciph_len < 3 || ( ciph_len % 3 ) != 0 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - if( sess_len > 32 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - if( chal_len < 8 || chal_len > 32 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - if( n != 6 + ciph_len + sess_len + chal_len ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - SSL_DEBUG_BUF( 3, "client hello, ciphersuitelist", - buf + 6, ciph_len ); - SSL_DEBUG_BUF( 3, "client hello, session id", - buf + 6 + ciph_len, sess_len ); - SSL_DEBUG_BUF( 3, "client hello, challenge", - buf + 6 + ciph_len + sess_len, chal_len ); - - p = buf + 6 + ciph_len; - ssl->session->length = sess_len; - memset( ssl->session->id, 0, sizeof( ssl->session->id ) ); - memcpy( ssl->session->id, p, ssl->session->length ); - - p += sess_len; - memset( ssl->randbytes, 0, 64 ); - memcpy( ssl->randbytes + 32 - chal_len, p, chal_len ); - - for( i = 0; ssl->ciphersuites[i] != 0; i++ ) - { - for( j = 0, p = buf + 6; j < ciph_len; j += 3, p += 3 ) - { - if( p[0] == 0 && - p[1] == 0 && - p[2] == ssl->ciphersuites[i] ) - goto have_ciphersuite; - } - } - } - else - { - SSL_DEBUG_BUF( 4, "record header", buf, 5 ); - - SSL_DEBUG_MSG( 3, ( "client hello v3, message type: %d", - buf[0] ) ); - SSL_DEBUG_MSG( 3, ( "client hello v3, message len.: %d", - ( buf[3] << 8 ) | buf[4] ) ); - SSL_DEBUG_MSG( 3, ( "client hello v3, protocol ver: [%d:%d]", - buf[1], buf[2] ) ); - - /* - * SSLv3 Client Hello - * - * Record layer: - * 0 . 0 message type - * 1 . 2 protocol version - * 3 . 4 message length - */ - if( buf[0] != SSL_MSG_HANDSHAKE || - buf[1] != SSL_MAJOR_VERSION_3 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - n = ( buf[3] << 8 ) | buf[4]; - - if( n < 45 || n > 512 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - if( ( ret = ssl_fetch_input( ssl, 5 + n ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_fetch_input", ret ); - return( ret ); - } - - buf = ssl->in_msg; - n = ssl->in_left - 5; - - ssl->update_checksum( ssl, buf, n ); - - /* - * SSL layer: - * 0 . 0 handshake type - * 1 . 3 handshake length - * 4 . 5 protocol version - * 6 . 9 UNIX time() - * 10 . 37 random bytes - * 38 . 38 session id length - * 39 . 38+x session id - * 39+x . 40+x ciphersuitelist length - * 41+x . .. ciphersuitelist - * .. . .. compression alg. - * .. . .. extensions - */ - SSL_DEBUG_BUF( 4, "record contents", buf, n ); - - SSL_DEBUG_MSG( 3, ( "client hello v3, handshake type: %d", - buf[0] ) ); - SSL_DEBUG_MSG( 3, ( "client hello v3, handshake len.: %d", - ( buf[1] << 16 ) | ( buf[2] << 8 ) | buf[3] ) ); - SSL_DEBUG_MSG( 3, ( "client hello v3, max. version: [%d:%d]", - buf[4], buf[5] ) ); - - /* - * Check the handshake type and protocol version - */ - if( buf[0] != SSL_HS_CLIENT_HELLO || - buf[4] != SSL_MAJOR_VERSION_3 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - ssl->major_ver = SSL_MAJOR_VERSION_3; - ssl->minor_ver = ( buf[5] <= SSL_MINOR_VERSION_3 ) - ? buf[5] : SSL_MINOR_VERSION_3; - - ssl->max_major_ver = buf[4]; - ssl->max_minor_ver = buf[5]; - - memcpy( ssl->randbytes, buf + 6, 32 ); - - /* - * Check the handshake message length - */ - if( buf[1] != 0 || n != (unsigned int) 4 + ( ( buf[2] << 8 ) | buf[3] ) ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - /* - * Check the session length - */ - sess_len = buf[38]; - - if( sess_len > 32 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - ssl->session->length = sess_len; - memset( ssl->session->id, 0, sizeof( ssl->session->id ) ); - memcpy( ssl->session->id, buf + 39 , ssl->session->length ); - - /* - * Check the ciphersuitelist length - */ - ciph_len = ( buf[39 + sess_len] << 8 ) - | ( buf[40 + sess_len] ); - - if( ciph_len < 2 || ciph_len > 256 || ( ciph_len % 2 ) != 0 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - /* - * Check the compression algorithms length - */ - comp_len = buf[41 + sess_len + ciph_len]; - - if( comp_len < 1 || comp_len > 16 ) - { - SSL_DEBUG_MSG( 1, ( "bad client hello message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_HELLO ); - } - - SSL_DEBUG_BUF( 3, "client hello, random bytes", - buf + 6, 32 ); - SSL_DEBUG_BUF( 3, "client hello, session id", - buf + 38, sess_len ); - SSL_DEBUG_BUF( 3, "client hello, ciphersuitelist", - buf + 41 + sess_len, ciph_len ); - SSL_DEBUG_BUF( 3, "client hello, compression", - buf + 42 + sess_len + ciph_len, comp_len ); - - /* - * Search for a matching ciphersuite - */ - for( i = 0; ssl->ciphersuites[i] != 0; i++ ) - { - for( j = 0, p = buf + 41 + sess_len; j < ciph_len; - j += 2, p += 2 ) - { - if( p[0] == 0 && p[1] == ssl->ciphersuites[i] ) - goto have_ciphersuite; - } - } - } - - SSL_DEBUG_MSG( 1, ( "got no ciphersuites in common" ) ); - - return( POLARSSL_ERR_SSL_NO_CIPHER_CHOSEN ); - -have_ciphersuite: - - ssl->session->ciphersuite = ssl->ciphersuites[i]; - ssl_kickstart_checksum( ssl, ssl->session->ciphersuite, buf, n ); - - ssl->in_left = 0; - ssl->state++; - - SSL_DEBUG_MSG( 2, ( "<= parse client hello" ) ); - - return( 0 ); -} - -static int ssl_write_server_hello( ssl_context *ssl ) -{ - time_t t; - int ret, n; - unsigned char *buf, *p; - - SSL_DEBUG_MSG( 2, ( "=> write server hello" ) ); - - /* - * 0 . 0 handshake type - * 1 . 3 handshake length - * 4 . 5 protocol version - * 6 . 9 UNIX time() - * 10 . 37 random bytes - */ - buf = ssl->out_msg; - p = buf + 4; - - *p++ = (unsigned char) ssl->major_ver; - *p++ = (unsigned char) ssl->minor_ver; - - SSL_DEBUG_MSG( 3, ( "server hello, chosen version: [%d:%d]", - buf[4], buf[5] ) ); - - t = time( NULL ); - *p++ = (unsigned char)( t >> 24 ); - *p++ = (unsigned char)( t >> 16 ); - *p++ = (unsigned char)( t >> 8 ); - *p++ = (unsigned char)( t ); - - SSL_DEBUG_MSG( 3, ( "server hello, current time: %lu", t ) ); - - if( ( ret = ssl->f_rng( ssl->p_rng, p, 28 ) ) != 0 ) - return( ret ); - - p += 28; - - memcpy( ssl->randbytes + 32, buf + 6, 32 ); - - SSL_DEBUG_BUF( 3, "server hello, random bytes", buf + 6, 32 ); - - /* - * 38 . 38 session id length - * 39 . 38+n session id - * 39+n . 40+n chosen ciphersuite - * 41+n . 41+n chosen compression alg. - */ - ssl->session->length = n = 32; - *p++ = (unsigned char) ssl->session->length; - - if( ssl->s_get == NULL || - ssl->s_get( ssl ) != 0 ) - { - /* - * Not found, create a new session id - */ - ssl->resume = 0; - ssl->state++; - - if( ssl->session == NULL ) - { - SSL_DEBUG_MSG( 1, ( "No session struct set" ) ); - return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); - } - - if( ( ret = ssl->f_rng( ssl->p_rng, ssl->session->id, n ) ) != 0 ) - return( ret ); - } - else - { - /* - * Found a matching session, resume it - */ - ssl->resume = 1; - ssl->state = SSL_SERVER_CHANGE_CIPHER_SPEC; - - if( ( ret = ssl_derive_keys( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_derive_keys", ret ); - return( ret ); - } - } - - memcpy( p, ssl->session->id, ssl->session->length ); - p += ssl->session->length; - - SSL_DEBUG_MSG( 3, ( "server hello, session id len.: %d", n ) ); - SSL_DEBUG_BUF( 3, "server hello, session id", buf + 39, n ); - SSL_DEBUG_MSG( 3, ( "%s session has been resumed", - ssl->resume ? "a" : "no" ) ); - - *p++ = (unsigned char)( ssl->session->ciphersuite >> 8 ); - *p++ = (unsigned char)( ssl->session->ciphersuite ); - *p++ = SSL_COMPRESS_NULL; - - SSL_DEBUG_MSG( 3, ( "server hello, chosen ciphersuite: %d", - ssl->session->ciphersuite ) ); - SSL_DEBUG_MSG( 3, ( "server hello, compress alg.: %d", 0 ) ); - - ssl->out_msglen = p - buf; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_SERVER_HELLO; - - ret = ssl_write_record( ssl ); - - SSL_DEBUG_MSG( 2, ( "<= write server hello" ) ); - - return( ret ); -} - -static int ssl_write_certificate_request( ssl_context *ssl ) -{ - int ret; - size_t n; - unsigned char *buf, *p; - const x509_cert *crt; - - SSL_DEBUG_MSG( 2, ( "=> write certificate request" ) ); - - ssl->state++; - - if( ssl->authmode == SSL_VERIFY_NONE ) - { - SSL_DEBUG_MSG( 2, ( "<= skip write certificate request" ) ); - return( 0 ); - } - - /* - * 0 . 0 handshake type - * 1 . 3 handshake length - * 4 . 4 cert type count - * 5 .. n-1 cert types - * n .. n+1 length of all DNs - * n+2 .. n+3 length of DN 1 - * n+4 .. ... Distinguished Name #1 - * ... .. ... length of DN 2, etc. - */ - buf = ssl->out_msg; - p = buf + 4; - - /* - * At the moment, only RSA certificates are supported - */ - *p++ = 1; - *p++ = 1; - - p += 2; - crt = ssl->ca_chain; - - while( crt != NULL ) - { - if( p - buf > 4096 ) - break; - - n = crt->subject_raw.len; - *p++ = (unsigned char)( n >> 8 ); - *p++ = (unsigned char)( n ); - memcpy( p, crt->subject_raw.p, n ); - - SSL_DEBUG_BUF( 3, "requested DN", p, n ); - p += n; crt = crt->next; - } - - ssl->out_msglen = n = p - buf; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_CERTIFICATE_REQUEST; - ssl->out_msg[6] = (unsigned char)( ( n - 8 ) >> 8 ); - ssl->out_msg[7] = (unsigned char)( ( n - 8 ) ); - - ret = ssl_write_record( ssl ); - - SSL_DEBUG_MSG( 2, ( "<= write certificate request" ) ); - - return( ret ); -} - -static int ssl_write_server_key_exchange( ssl_context *ssl ) -{ -#if defined(POLARSSL_DHM_C) - int ret; - size_t n, rsa_key_len = 0; - unsigned char hash[48]; - md5_context md5; - sha1_context sha1; - int hash_id; - unsigned int hashlen; -#endif - - SSL_DEBUG_MSG( 2, ( "=> write server key exchange" ) ); - - if( ssl->session->ciphersuite != SSL_EDH_RSA_DES_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_DES_168_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_128_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_256_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_128_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_256_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_128_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_256_SHA && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_128_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_CAMELLIA_256_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_128_GCM_SHA256 && - ssl->session->ciphersuite != SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - SSL_DEBUG_MSG( 2, ( "<= skip write server key exchange" ) ); - ssl->state++; - return( 0 ); - } - -#if !defined(POLARSSL_DHM_C) - SSL_DEBUG_MSG( 1, ( "support for dhm is not available" ) ); - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); -#else - - if( ssl->rsa_key == NULL ) - { -#if defined(POLARSSL_PKCS11_C) - if( ssl->pkcs11_key == NULL ) - { -#endif /* defined(POLARSSL_PKCS11_C) */ - SSL_DEBUG_MSG( 1, ( "got no private key" ) ); - return( POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED ); -#if defined(POLARSSL_PKCS11_C) - } -#endif /* defined(POLARSSL_PKCS11_C) */ - } - - /* - * Ephemeral DH parameters: - * - * struct { - * opaque dh_p<1..2^16-1>; - * opaque dh_g<1..2^16-1>; - * opaque dh_Ys<1..2^16-1>; - * } ServerDHParams; - */ - if( ( ret = dhm_make_params( &ssl->dhm_ctx, 256, ssl->out_msg + 4, - &n, ssl->f_rng, ssl->p_rng ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "dhm_make_params", ret ); - return( ret ); - } - - SSL_DEBUG_MPI( 3, "DHM: X ", &ssl->dhm_ctx.X ); - SSL_DEBUG_MPI( 3, "DHM: P ", &ssl->dhm_ctx.P ); - SSL_DEBUG_MPI( 3, "DHM: G ", &ssl->dhm_ctx.G ); - SSL_DEBUG_MPI( 3, "DHM: GX", &ssl->dhm_ctx.GX ); - - if( ssl->minor_ver != SSL_MINOR_VERSION_3 ) - { - /* - * digitally-signed struct { - * opaque md5_hash[16]; - * opaque sha_hash[20]; - * }; - * - * md5_hash - * MD5(ClientHello.random + ServerHello.random - * + ServerParams); - * sha_hash - * SHA(ClientHello.random + ServerHello.random - * + ServerParams); - */ - md5_starts( &md5 ); - md5_update( &md5, ssl->randbytes, 64 ); - md5_update( &md5, ssl->out_msg + 4, n ); - md5_finish( &md5, hash ); - - sha1_starts( &sha1 ); - sha1_update( &sha1, ssl->randbytes, 64 ); - sha1_update( &sha1, ssl->out_msg + 4, n ); - sha1_finish( &sha1, hash + 16 ); - - hashlen = 36; - hash_id = SIG_RSA_RAW; - } - else - { - /* - * digitally-signed struct { - * opaque client_random[32]; - * opaque server_random[32]; - * ServerDHParams params; - * }; - */ - /* TODO TLS1.2 Get a supported hash algorithm from the - * signature_algorithms extension, Otherwise SHA1 + RSA! - */ - - sha1_starts( &sha1 ); - sha1_update( &sha1, ssl->randbytes, 64 ); - sha1_update( &sha1, ssl->out_msg + 4, n ); - sha1_finish( &sha1, hash ); - - hashlen = 20; - hash_id = SIG_RSA_SHA1; - } - - SSL_DEBUG_BUF( 3, "parameters hash", hash, hashlen ); - - if ( ssl->rsa_key ) - rsa_key_len = ssl->rsa_key->len; -#if defined(POLARSSL_PKCS11_C) - else - rsa_key_len = ssl->pkcs11_key->len; -#endif /* defined(POLARSSL_PKCS11_C) */ - - if( ssl->minor_ver == SSL_MINOR_VERSION_3 ) - { - // TODO TLS1.2 Base on selection above (SHA1 + RSA is default choice) - ssl->out_msg[4 + n] = SSL_HASH_SHA1; - ssl->out_msg[5 + n] = SSL_SIG_RSA; - - n += 2; - } - - ssl->out_msg[4 + n] = (unsigned char)( rsa_key_len >> 8 ); - ssl->out_msg[5 + n] = (unsigned char)( rsa_key_len ); - - if ( ssl->rsa_key ) - { - ret = rsa_pkcs1_sign( ssl->rsa_key, ssl->f_rng, ssl->p_rng, - RSA_PRIVATE, - hash_id, hashlen, hash, ssl->out_msg + 6 + n ); - } -#if defined(POLARSSL_PKCS11_C) - else { - ret = pkcs11_sign( ssl->pkcs11_key, RSA_PRIVATE, - hash_id, hashlen, hash, ssl->out_msg + 6 + n ); - } -#endif /* defined(POLARSSL_PKCS11_C) */ - - if( ret != 0 ) - { - SSL_DEBUG_RET( 1, "pkcs1_sign", ret ); - return( ret ); - } - - SSL_DEBUG_BUF( 3, "my RSA sig", ssl->out_msg + 6 + n, rsa_key_len ); - - ssl->out_msglen = 6 + n + rsa_key_len; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_SERVER_KEY_EXCHANGE; - - ssl->state++; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write server key exchange" ) ); - - return( 0 ); -#endif -} - -static int ssl_write_server_hello_done( ssl_context *ssl ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> write server hello done" ) ); - - ssl->out_msglen = 4; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_SERVER_HELLO_DONE; - - ssl->state++; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write server hello done" ) ); - - return( 0 ); -} - -static int ssl_parse_client_key_exchange( ssl_context *ssl ) -{ - int ret; - size_t i, n = 0; - - SSL_DEBUG_MSG( 2, ( "=> parse client key exchange" ) ); - - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad client key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE ); - } - - if( ssl->in_msg[0] != SSL_HS_CLIENT_KEY_EXCHANGE ) - { - SSL_DEBUG_MSG( 1, ( "bad client key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE ); - } - - if( ssl->session->ciphersuite == SSL_EDH_RSA_DES_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_DES_168_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_GCM_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { -#if !defined(POLARSSL_DHM_C) - SSL_DEBUG_MSG( 1, ( "support for dhm is not available" ) ); - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); -#else - /* - * Receive G^Y mod P, premaster = (G^Y)^X mod P - */ - n = ( ssl->in_msg[4] << 8 ) | ssl->in_msg[5]; - - if( n < 1 || n > ssl->dhm_ctx.len || - n + 6 != ssl->in_hslen ) - { - SSL_DEBUG_MSG( 1, ( "bad client key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE ); - } - - if( ( ret = dhm_read_public( &ssl->dhm_ctx, - ssl->in_msg + 6, n ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "dhm_read_public", ret ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_DHM_RP ); - } - - SSL_DEBUG_MPI( 3, "DHM: GY", &ssl->dhm_ctx.GY ); - - ssl->pmslen = ssl->dhm_ctx.len; - - if( ( ret = dhm_calc_secret( &ssl->dhm_ctx, - ssl->premaster, &ssl->pmslen ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "dhm_calc_secret", ret ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE_DHM_CS ); - } - - SSL_DEBUG_MPI( 3, "DHM: K ", &ssl->dhm_ctx.K ); -#endif - } - else - { - if( ssl->rsa_key == NULL ) - { -#if defined(POLARSSL_PKCS11_C) - if( ssl->pkcs11_key == NULL ) - { -#endif - SSL_DEBUG_MSG( 1, ( "got no private key" ) ); - return( POLARSSL_ERR_SSL_PRIVATE_KEY_REQUIRED ); -#if defined(POLARSSL_PKCS11_C) - } -#endif - } - - /* - * Decrypt the premaster using own private RSA key - */ - i = 4; - if( ssl->rsa_key ) - n = ssl->rsa_key->len; -#if defined(POLARSSL_PKCS11_C) - else - n = ssl->pkcs11_key->len; -#endif - ssl->pmslen = 48; - - if( ssl->minor_ver != SSL_MINOR_VERSION_0 ) - { - i += 2; - if( ssl->in_msg[4] != ( ( n >> 8 ) & 0xFF ) || - ssl->in_msg[5] != ( ( n ) & 0xFF ) ) - { - SSL_DEBUG_MSG( 1, ( "bad client key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE ); - } - } - - if( ssl->in_hslen != i + n ) - { - SSL_DEBUG_MSG( 1, ( "bad client key exchange message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CLIENT_KEY_EXCHANGE ); - } - - if( ssl->rsa_key ) { - ret = rsa_pkcs1_decrypt( ssl->rsa_key, RSA_PRIVATE, &ssl->pmslen, - ssl->in_msg + i, ssl->premaster, - sizeof(ssl->premaster) ); - } -#if defined(POLARSSL_PKCS11_C) - else { - ret = pkcs11_decrypt( ssl->pkcs11_key, RSA_PRIVATE, &ssl->pmslen, - ssl->in_msg + i, ssl->premaster, - sizeof(ssl->premaster) ); - } -#endif /* defined(POLARSSL_PKCS11_C) */ - - if( ret != 0 || ssl->pmslen != 48 || - ssl->premaster[0] != ssl->max_major_ver || - ssl->premaster[1] != ssl->max_minor_ver ) - { - SSL_DEBUG_MSG( 1, ( "bad client key exchange message" ) ); - - /* - * Protection against Bleichenbacher's attack: - * invalid PKCS#1 v1.5 padding must not cause - * the connection to end immediately; instead, - * send a bad_record_mac later in the handshake. - */ - ssl->pmslen = 48; - - ret = ssl->f_rng( ssl->p_rng, ssl->premaster, ssl->pmslen ); - if( ret != 0 ) - return( ret ); - } - } - - if( ( ret = ssl_derive_keys( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_derive_keys", ret ); - return( ret ); - } - - if( ssl->s_set != NULL ) - ssl->s_set( ssl ); - - ssl->state++; - - SSL_DEBUG_MSG( 2, ( "<= parse client key exchange" ) ); - - return( 0 ); -} - -static int ssl_parse_certificate_verify( ssl_context *ssl ) -{ - int ret; - size_t n1, n2; - unsigned char hash[48]; - - SSL_DEBUG_MSG( 2, ( "=> parse certificate verify" ) ); - - if( ssl->peer_cert == NULL ) - { - SSL_DEBUG_MSG( 2, ( "<= skip parse certificate verify" ) ); - ssl->state++; - return( 0 ); - } - - ssl->calc_verify( ssl, hash ); - - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - ssl->state++; - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate verify message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY ); - } - - if( ssl->in_msg[0] != SSL_HS_CERTIFICATE_VERIFY ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate verify message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY ); - } - - n1 = ssl->peer_cert->rsa.len; - n2 = ( ssl->in_msg[4] << 8 ) | ssl->in_msg[5]; - - if( n1 + 6 != ssl->in_hslen || n1 != n2 ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate verify message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE_VERIFY ); - } - - ret = rsa_pkcs1_verify( &ssl->peer_cert->rsa, RSA_PUBLIC, - SIG_RSA_RAW, 36, hash, ssl->in_msg + 6 ); - if( ret != 0 ) - { - SSL_DEBUG_RET( 1, "rsa_pkcs1_verify", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= parse certificate verify" ) ); - - return( 0 ); -} - -/* - * SSL handshake -- server side - */ -int ssl_handshake_server( ssl_context *ssl ) -{ - int ret = 0; - - SSL_DEBUG_MSG( 2, ( "=> handshake server" ) ); - - while( ssl->state != SSL_HANDSHAKE_OVER ) - { - SSL_DEBUG_MSG( 2, ( "server state: %d", ssl->state ) ); - - if( ( ret = ssl_flush_output( ssl ) ) != 0 ) - break; - - switch( ssl->state ) - { - case SSL_HELLO_REQUEST: - ssl->state = SSL_CLIENT_HELLO; - break; - - /* - * <== ClientHello - */ - case SSL_CLIENT_HELLO: - ret = ssl_parse_client_hello( ssl ); - break; - - /* - * ==> ServerHello - * Certificate - * ( ServerKeyExchange ) - * ( CertificateRequest ) - * ServerHelloDone - */ - case SSL_SERVER_HELLO: - ret = ssl_write_server_hello( ssl ); - break; - - case SSL_SERVER_CERTIFICATE: - ret = ssl_write_certificate( ssl ); - break; - - case SSL_SERVER_KEY_EXCHANGE: - ret = ssl_write_server_key_exchange( ssl ); - break; - - case SSL_CERTIFICATE_REQUEST: - ret = ssl_write_certificate_request( ssl ); - break; - - case SSL_SERVER_HELLO_DONE: - ret = ssl_write_server_hello_done( ssl ); - break; - - /* - * <== ( Certificate/Alert ) - * ClientKeyExchange - * ( CertificateVerify ) - * ChangeCipherSpec - * Finished - */ - case SSL_CLIENT_CERTIFICATE: - ret = ssl_parse_certificate( ssl ); - break; - - case SSL_CLIENT_KEY_EXCHANGE: - ret = ssl_parse_client_key_exchange( ssl ); - break; - - case SSL_CERTIFICATE_VERIFY: - ret = ssl_parse_certificate_verify( ssl ); - break; - - case SSL_CLIENT_CHANGE_CIPHER_SPEC: - ret = ssl_parse_change_cipher_spec( ssl ); - break; - - case SSL_CLIENT_FINISHED: - ret = ssl_parse_finished( ssl ); - break; - - /* - * ==> ChangeCipherSpec - * Finished - */ - case SSL_SERVER_CHANGE_CIPHER_SPEC: - ret = ssl_write_change_cipher_spec( ssl ); - break; - - case SSL_SERVER_FINISHED: - ret = ssl_write_finished( ssl ); - break; - - case SSL_FLUSH_BUFFERS: - SSL_DEBUG_MSG( 2, ( "handshake: done" ) ); - ssl->state = SSL_HANDSHAKE_OVER; - break; - - default: - SSL_DEBUG_MSG( 1, ( "invalid state %d", ssl->state ) ); - return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); - } - - if( ret != 0 ) - break; - } - - SSL_DEBUG_MSG( 2, ( "<= handshake server" ) ); - - return( ret ); -} - -#endif diff --git a/polarssl/src/library/ssl_tls.c b/polarssl/src/library/ssl_tls.c deleted file mode 100644 index 88c6e55..0000000 --- a/polarssl/src/library/ssl_tls.c +++ /dev/null @@ -1,3166 +0,0 @@ -/* - * SSLv3/TLSv1 shared functions - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The SSL 3.0 specification was drafted by Netscape in 1996, - * and became an IETF standard in 1999. - * - * http://wp.netscape.com/eng/ssl3/ - * http://www.ietf.org/rfc/rfc2246.txt - * http://www.ietf.org/rfc/rfc4346.txt - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_SSL_TLS_C) - -#include "polarssl/aes.h" -#include "polarssl/arc4.h" -#include "polarssl/camellia.h" -#include "polarssl/des.h" -#include "polarssl/debug.h" -#include "polarssl/ssl.h" -#include "polarssl/sha2.h" - -#if defined(POLARSSL_GCM_C) -#include "polarssl/gcm.h" -#endif - -#include <stdlib.h> -#include <time.h> - -#if defined _MSC_VER && !defined strcasecmp -#define strcasecmp _stricmp -#endif - -/* - * Key material generation - */ -static int tls1_prf( unsigned char *secret, size_t slen, char *label, - unsigned char *random, size_t rlen, - unsigned char *dstbuf, size_t dlen ) -{ - size_t nb, hs; - size_t i, j, k; - unsigned char *S1, *S2; - unsigned char tmp[128]; - unsigned char h_i[20]; - - if( sizeof( tmp ) < 20 + strlen( label ) + rlen ) - return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); - - hs = ( slen + 1 ) / 2; - S1 = secret; - S2 = secret + slen - hs; - - nb = strlen( label ); - memcpy( tmp + 20, label, nb ); - memcpy( tmp + 20 + nb, random, rlen ); - nb += rlen; - - /* - * First compute P_md5(secret,label+random)[0..dlen] - */ - md5_hmac( S1, hs, tmp + 20, nb, 4 + tmp ); - - for( i = 0; i < dlen; i += 16 ) - { - md5_hmac( S1, hs, 4 + tmp, 16 + nb, h_i ); - md5_hmac( S1, hs, 4 + tmp, 16, 4 + tmp ); - - k = ( i + 16 > dlen ) ? dlen % 16 : 16; - - for( j = 0; j < k; j++ ) - dstbuf[i + j] = h_i[j]; - } - - /* - * XOR out with P_sha1(secret,label+random)[0..dlen] - */ - sha1_hmac( S2, hs, tmp + 20, nb, tmp ); - - for( i = 0; i < dlen; i += 20 ) - { - sha1_hmac( S2, hs, tmp, 20 + nb, h_i ); - sha1_hmac( S2, hs, tmp, 20, tmp ); - - k = ( i + 20 > dlen ) ? dlen % 20 : 20; - - for( j = 0; j < k; j++ ) - dstbuf[i + j] = (unsigned char)( dstbuf[i + j] ^ h_i[j] ); - } - - memset( tmp, 0, sizeof( tmp ) ); - memset( h_i, 0, sizeof( h_i ) ); - - return( 0 ); -} - -static int tls_prf_sha256( unsigned char *secret, size_t slen, char *label, - unsigned char *random, size_t rlen, - unsigned char *dstbuf, size_t dlen ) -{ - size_t nb; - size_t i, j, k; - unsigned char tmp[128]; - unsigned char h_i[32]; - - if( sizeof( tmp ) < 32 + strlen( label ) + rlen ) - return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); - - nb = strlen( label ); - memcpy( tmp + 32, label, nb ); - memcpy( tmp + 32 + nb, random, rlen ); - nb += rlen; - - /* - * Compute P_<hash>(secret, label + random)[0..dlen] - */ - sha2_hmac( secret, slen, tmp + 32, nb, tmp, 0 ); - - for( i = 0; i < dlen; i += 32 ) - { - sha2_hmac( secret, slen, tmp, 32 + nb, h_i, 0 ); - sha2_hmac( secret, slen, tmp, 32, tmp, 0 ); - - k = ( i + 32 > dlen ) ? dlen % 32 : 32; - - for( j = 0; j < k; j++ ) - dstbuf[i + j] = h_i[j]; - } - - memset( tmp, 0, sizeof( tmp ) ); - memset( h_i, 0, sizeof( h_i ) ); - - return( 0 ); -} - -static int tls_prf_sha384( unsigned char *secret, size_t slen, char *label, - unsigned char *random, size_t rlen, - unsigned char *dstbuf, size_t dlen ) -{ - size_t nb; - size_t i, j, k; - unsigned char tmp[128]; - unsigned char h_i[48]; - - if( sizeof( tmp ) < 48 + strlen( label ) + rlen ) - return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); - - nb = strlen( label ); - memcpy( tmp + 48, label, nb ); - memcpy( tmp + 48 + nb, random, rlen ); - nb += rlen; - - /* - * Compute P_<hash>(secret, label + random)[0..dlen] - */ - sha4_hmac( secret, slen, tmp + 48, nb, tmp, 1 ); - - for( i = 0; i < dlen; i += 48 ) - { - sha4_hmac( secret, slen, tmp, 48 + nb, h_i, 1 ); - sha4_hmac( secret, slen, tmp, 48, tmp, 1 ); - - k = ( i + 48 > dlen ) ? dlen % 48 : 48; - - for( j = 0; j < k; j++ ) - dstbuf[i + j] = h_i[j]; - } - - memset( tmp, 0, sizeof( tmp ) ); - memset( h_i, 0, sizeof( h_i ) ); - - return( 0 ); -} - -static void ssl_update_checksum_start(ssl_context *, unsigned char *, size_t); -static void ssl_update_checksum_md5sha1(ssl_context *, unsigned char *, size_t); -static void ssl_update_checksum_sha256(ssl_context *, unsigned char *, size_t); -static void ssl_update_checksum_sha384(ssl_context *, unsigned char *, size_t); - -static void ssl_calc_verify_ssl(ssl_context *,unsigned char *); -static void ssl_calc_verify_tls(ssl_context *,unsigned char *); -static void ssl_calc_verify_tls_sha256(ssl_context *,unsigned char *); -static void ssl_calc_verify_tls_sha384(ssl_context *,unsigned char *); - -static void ssl_calc_finished_ssl(ssl_context *,unsigned char *,int); -static void ssl_calc_finished_tls(ssl_context *,unsigned char *,int); -static void ssl_calc_finished_tls_sha256(ssl_context *,unsigned char *,int); -static void ssl_calc_finished_tls_sha384(ssl_context *,unsigned char *,int); - -int ssl_derive_keys( ssl_context *ssl ) -{ - int i; - md5_context md5; - sha1_context sha1; - unsigned char tmp[64]; - unsigned char padding[16]; - unsigned char sha1sum[20]; - unsigned char keyblk[256]; - unsigned char *key1; - unsigned char *key2; - unsigned int iv_copy_len; - - SSL_DEBUG_MSG( 2, ( "=> derive keys" ) ); - - /* - * Set appropriate PRF function and other SSL / TLS / TLS1.2 functions - */ - if( ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - ssl->tls_prf = tls1_prf; - ssl->calc_verify = ssl_calc_verify_ssl; - ssl->calc_finished = ssl_calc_finished_ssl; - } - else if( ssl->minor_ver < SSL_MINOR_VERSION_3 ) - { - ssl->tls_prf = tls1_prf; - ssl->calc_verify = ssl_calc_verify_tls; - ssl->calc_finished = ssl_calc_finished_tls; - } - else if( ssl->session->ciphersuite == SSL_RSA_AES_256_GCM_SHA384 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - ssl->tls_prf = tls_prf_sha384; - ssl->calc_verify = ssl_calc_verify_tls_sha384; - ssl->calc_finished = ssl_calc_finished_tls_sha384; - } - else - { - ssl->tls_prf = tls_prf_sha256; - ssl->calc_verify = ssl_calc_verify_tls_sha256; - ssl->calc_finished = ssl_calc_finished_tls_sha256; - } - - /* - * SSLv3: - * master = - * MD5( premaster + SHA1( 'A' + premaster + randbytes ) ) + - * MD5( premaster + SHA1( 'BB' + premaster + randbytes ) ) + - * MD5( premaster + SHA1( 'CCC' + premaster + randbytes ) ) - * - * TLSv1: - * master = PRF( premaster, "master secret", randbytes )[0..47] - */ - if( ssl->resume == 0 ) - { - size_t len = ssl->pmslen; - - SSL_DEBUG_BUF( 3, "premaster secret", ssl->premaster, len ); - - if( ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - for( i = 0; i < 3; i++ ) - { - memset( padding, 'A' + i, 1 + i ); - - sha1_starts( &sha1 ); - sha1_update( &sha1, padding, 1 + i ); - sha1_update( &sha1, ssl->premaster, len ); - sha1_update( &sha1, ssl->randbytes, 64 ); - sha1_finish( &sha1, sha1sum ); - - md5_starts( &md5 ); - md5_update( &md5, ssl->premaster, len ); - md5_update( &md5, sha1sum, 20 ); - md5_finish( &md5, ssl->session->master + i * 16 ); - } - } - else - ssl->tls_prf( ssl->premaster, len, "master secret", - ssl->randbytes, 64, ssl->session->master, 48 ); - - memset( ssl->premaster, 0, sizeof( ssl->premaster ) ); - } - else - SSL_DEBUG_MSG( 3, ( "no premaster (session resumed)" ) ); - - /* - * Swap the client and server random values. - */ - memcpy( tmp, ssl->randbytes, 64 ); - memcpy( ssl->randbytes, tmp + 32, 32 ); - memcpy( ssl->randbytes + 32, tmp, 32 ); - memset( tmp, 0, sizeof( tmp ) ); - - /* - * SSLv3: - * key block = - * MD5( master + SHA1( 'A' + master + randbytes ) ) + - * MD5( master + SHA1( 'BB' + master + randbytes ) ) + - * MD5( master + SHA1( 'CCC' + master + randbytes ) ) + - * MD5( master + SHA1( 'DDDD' + master + randbytes ) ) + - * ... - * - * TLSv1: - * key block = PRF( master, "key expansion", randbytes ) - */ - if( ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - for( i = 0; i < 16; i++ ) - { - memset( padding, 'A' + i, 1 + i ); - - sha1_starts( &sha1 ); - sha1_update( &sha1, padding, 1 + i ); - sha1_update( &sha1, ssl->session->master, 48 ); - sha1_update( &sha1, ssl->randbytes, 64 ); - sha1_finish( &sha1, sha1sum ); - - md5_starts( &md5 ); - md5_update( &md5, ssl->session->master, 48 ); - md5_update( &md5, sha1sum, 20 ); - md5_finish( &md5, keyblk + i * 16 ); - } - - memset( &md5, 0, sizeof( md5 ) ); - memset( &sha1, 0, sizeof( sha1 ) ); - - memset( padding, 0, sizeof( padding ) ); - memset( sha1sum, 0, sizeof( sha1sum ) ); - } - else - ssl->tls_prf( ssl->session->master, 48, "key expansion", - ssl->randbytes, 64, keyblk, 256 ); - - SSL_DEBUG_MSG( 3, ( "ciphersuite = %s", ssl_get_ciphersuite( ssl ) ) ); - SSL_DEBUG_BUF( 3, "master secret", ssl->session->master, 48 ); - SSL_DEBUG_BUF( 4, "random bytes", ssl->randbytes, 64 ); - SSL_DEBUG_BUF( 4, "key block", keyblk, 256 ); - - memset( ssl->randbytes, 0, sizeof( ssl->randbytes ) ); - - /* - * Determine the appropriate key, IV and MAC length. - */ - switch( ssl->session->ciphersuite ) - { -#if defined(POLARSSL_ARC4_C) - case SSL_RSA_RC4_128_MD5: - ssl->keylen = 16; ssl->minlen = 16; - ssl->ivlen = 0; ssl->maclen = 16; - break; - - case SSL_RSA_RC4_128_SHA: - ssl->keylen = 16; ssl->minlen = 20; - ssl->ivlen = 0; ssl->maclen = 20; - break; -#endif - -#if defined(POLARSSL_DES_C) - case SSL_RSA_DES_168_SHA: - case SSL_EDH_RSA_DES_168_SHA: - ssl->keylen = 24; ssl->minlen = 24; - ssl->ivlen = 8; ssl->maclen = 20; - break; -#endif - -#if defined(POLARSSL_AES_C) - case SSL_RSA_AES_128_SHA: - case SSL_EDH_RSA_AES_128_SHA: - ssl->keylen = 16; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 20; - break; - - case SSL_RSA_AES_256_SHA: - case SSL_EDH_RSA_AES_256_SHA: - ssl->keylen = 32; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 20; - break; - -#if defined(POLARSSL_SHA2_C) - case SSL_RSA_AES_128_SHA256: - case SSL_EDH_RSA_AES_128_SHA256: - ssl->keylen = 16; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 32; - break; - - case SSL_RSA_AES_256_SHA256: - case SSL_EDH_RSA_AES_256_SHA256: - ssl->keylen = 32; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 32; - break; -#endif -#if defined(POLARSSL_GCM_C) - case SSL_RSA_AES_128_GCM_SHA256: - case SSL_EDH_RSA_AES_128_GCM_SHA256: - ssl->keylen = 16; ssl->minlen = 1; - ssl->ivlen = 12; ssl->maclen = 0; - ssl->fixed_ivlen = 4; - break; - - case SSL_RSA_AES_256_GCM_SHA384: - case SSL_EDH_RSA_AES_256_GCM_SHA384: - ssl->keylen = 32; ssl->minlen = 1; - ssl->ivlen = 12; ssl->maclen = 0; - ssl->fixed_ivlen = 4; - break; -#endif -#endif - -#if defined(POLARSSL_CAMELLIA_C) - case SSL_RSA_CAMELLIA_128_SHA: - case SSL_EDH_RSA_CAMELLIA_128_SHA: - ssl->keylen = 16; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 20; - break; - - case SSL_RSA_CAMELLIA_256_SHA: - case SSL_EDH_RSA_CAMELLIA_256_SHA: - ssl->keylen = 32; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 20; - break; - -#if defined(POLARSSL_SHA2_C) - case SSL_RSA_CAMELLIA_128_SHA256: - case SSL_EDH_RSA_CAMELLIA_128_SHA256: - ssl->keylen = 16; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 32; - break; - - case SSL_RSA_CAMELLIA_256_SHA256: - case SSL_EDH_RSA_CAMELLIA_256_SHA256: - ssl->keylen = 32; ssl->minlen = 32; - ssl->ivlen = 16; ssl->maclen = 32; - break; -#endif -#endif - -#if defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - case SSL_RSA_NULL_MD5: - ssl->keylen = 0; ssl->minlen = 0; - ssl->ivlen = 0; ssl->maclen = 16; - break; - - case SSL_RSA_NULL_SHA: - ssl->keylen = 0; ssl->minlen = 0; - ssl->ivlen = 0; ssl->maclen = 20; - break; - - case SSL_RSA_NULL_SHA256: - ssl->keylen = 0; ssl->minlen = 0; - ssl->ivlen = 0; ssl->maclen = 32; - break; -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - -#if defined(POLARSSL_DES_C) - case SSL_RSA_DES_SHA: - case SSL_EDH_RSA_DES_SHA: - ssl->keylen = 8; ssl->minlen = 8; - ssl->ivlen = 8; ssl->maclen = 20; - break; -#endif -#endif /* defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) */ - - default: - SSL_DEBUG_MSG( 1, ( "ciphersuite %s is not available", - ssl_get_ciphersuite( ssl ) ) ); - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); - } - - SSL_DEBUG_MSG( 3, ( "keylen: %d, minlen: %d, ivlen: %d, maclen: %d", - ssl->keylen, ssl->minlen, ssl->ivlen, ssl->maclen ) ); - - /* - * Finally setup the cipher contexts, IVs and MAC secrets. - */ - if( ssl->endpoint == SSL_IS_CLIENT ) - { - key1 = keyblk + ssl->maclen * 2; - key2 = keyblk + ssl->maclen * 2 + ssl->keylen; - - memcpy( ssl->mac_enc, keyblk, ssl->maclen ); - memcpy( ssl->mac_dec, keyblk + ssl->maclen, ssl->maclen ); - - /* - * This is not used in TLS v1.1. - */ - iv_copy_len = ( ssl->fixed_ivlen ) ? ssl->fixed_ivlen : ssl->ivlen; - memcpy( ssl->iv_enc, key2 + ssl->keylen, iv_copy_len ); - memcpy( ssl->iv_dec, key2 + ssl->keylen + iv_copy_len, - iv_copy_len ); - } - else - { - key1 = keyblk + ssl->maclen * 2 + ssl->keylen; - key2 = keyblk + ssl->maclen * 2; - - memcpy( ssl->mac_dec, keyblk, ssl->maclen ); - memcpy( ssl->mac_enc, keyblk + ssl->maclen, ssl->maclen ); - - /* - * This is not used in TLS v1.1. - */ - iv_copy_len = ( ssl->fixed_ivlen ) ? ssl->fixed_ivlen : ssl->ivlen; - memcpy( ssl->iv_dec, key1 + ssl->keylen, iv_copy_len ); - memcpy( ssl->iv_enc, key1 + ssl->keylen + iv_copy_len, - iv_copy_len ); - } - - switch( ssl->session->ciphersuite ) - { -#if defined(POLARSSL_ARC4_C) - case SSL_RSA_RC4_128_MD5: - case SSL_RSA_RC4_128_SHA: - arc4_setup( (arc4_context *) ssl->ctx_enc, key1, ssl->keylen ); - arc4_setup( (arc4_context *) ssl->ctx_dec, key2, ssl->keylen ); - break; -#endif - -#if defined(POLARSSL_DES_C) - case SSL_RSA_DES_168_SHA: - case SSL_EDH_RSA_DES_168_SHA: - des3_set3key_enc( (des3_context *) ssl->ctx_enc, key1 ); - des3_set3key_dec( (des3_context *) ssl->ctx_dec, key2 ); - break; -#endif - -#if defined(POLARSSL_AES_C) - case SSL_RSA_AES_128_SHA: - case SSL_EDH_RSA_AES_128_SHA: - case SSL_RSA_AES_128_SHA256: - case SSL_EDH_RSA_AES_128_SHA256: - aes_setkey_enc( (aes_context *) ssl->ctx_enc, key1, 128 ); - aes_setkey_dec( (aes_context *) ssl->ctx_dec, key2, 128 ); - break; - - case SSL_RSA_AES_256_SHA: - case SSL_EDH_RSA_AES_256_SHA: - case SSL_RSA_AES_256_SHA256: - case SSL_EDH_RSA_AES_256_SHA256: - aes_setkey_enc( (aes_context *) ssl->ctx_enc, key1, 256 ); - aes_setkey_dec( (aes_context *) ssl->ctx_dec, key2, 256 ); - break; - -#if defined(POLARSSL_GCM_C) - case SSL_RSA_AES_128_GCM_SHA256: - case SSL_EDH_RSA_AES_128_GCM_SHA256: - gcm_init( (gcm_context *) ssl->ctx_enc, key1, 128 ); - gcm_init( (gcm_context *) ssl->ctx_dec, key2, 128 ); - break; - - case SSL_RSA_AES_256_GCM_SHA384: - case SSL_EDH_RSA_AES_256_GCM_SHA384: - gcm_init( (gcm_context *) ssl->ctx_enc, key1, 256 ); - gcm_init( (gcm_context *) ssl->ctx_dec, key2, 256 ); - break; -#endif -#endif - -#if defined(POLARSSL_CAMELLIA_C) - case SSL_RSA_CAMELLIA_128_SHA: - case SSL_EDH_RSA_CAMELLIA_128_SHA: - case SSL_RSA_CAMELLIA_128_SHA256: - case SSL_EDH_RSA_CAMELLIA_128_SHA256: - camellia_setkey_enc( (camellia_context *) ssl->ctx_enc, key1, 128 ); - camellia_setkey_dec( (camellia_context *) ssl->ctx_dec, key2, 128 ); - break; - - case SSL_RSA_CAMELLIA_256_SHA: - case SSL_EDH_RSA_CAMELLIA_256_SHA: - case SSL_RSA_CAMELLIA_256_SHA256: - case SSL_EDH_RSA_CAMELLIA_256_SHA256: - camellia_setkey_enc( (camellia_context *) ssl->ctx_enc, key1, 256 ); - camellia_setkey_dec( (camellia_context *) ssl->ctx_dec, key2, 256 ); - break; -#endif - -#if defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - case SSL_RSA_NULL_MD5: - case SSL_RSA_NULL_SHA: - case SSL_RSA_NULL_SHA256: - break; -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - -#if defined(POLARSSL_DES_C) - case SSL_RSA_DES_SHA: - case SSL_EDH_RSA_DES_SHA: - des_setkey_enc( (des_context *) ssl->ctx_enc, key1 ); - des_setkey_dec( (des_context *) ssl->ctx_dec, key2 ); - break; -#endif -#endif /* defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) */ - - default: - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); - } - - memset( keyblk, 0, sizeof( keyblk ) ); - - SSL_DEBUG_MSG( 2, ( "<= derive keys" ) ); - - return( 0 ); -} - -void ssl_calc_verify_ssl( ssl_context *ssl, unsigned char hash[36] ) -{ - md5_context md5; - sha1_context sha1; - unsigned char pad_1[48]; - unsigned char pad_2[48]; - - SSL_DEBUG_MSG( 2, ( "=> calc verify ssl" ) ); - - memcpy( &md5 , (md5_context *) ssl->ctx_checksum, sizeof(md5_context) ); - memcpy( &sha1, (sha1_context *) ( ssl->ctx_checksum + sizeof(md5_context) ), - sizeof( sha1_context ) ); - - memset( pad_1, 0x36, 48 ); - memset( pad_2, 0x5C, 48 ); - - md5_update( &md5, ssl->session->master, 48 ); - md5_update( &md5, pad_1, 48 ); - md5_finish( &md5, hash ); - - md5_starts( &md5 ); - md5_update( &md5, ssl->session->master, 48 ); - md5_update( &md5, pad_2, 48 ); - md5_update( &md5, hash, 16 ); - md5_finish( &md5, hash ); - - sha1_update( &sha1, ssl->session->master, 48 ); - sha1_update( &sha1, pad_1, 40 ); - sha1_finish( &sha1, hash + 16 ); - - sha1_starts( &sha1 ); - sha1_update( &sha1, ssl->session->master, 48 ); - sha1_update( &sha1, pad_2, 40 ); - sha1_update( &sha1, hash + 16, 20 ); - sha1_finish( &sha1, hash + 16 ); - - SSL_DEBUG_BUF( 3, "calculated verify result", hash, 36 ); - SSL_DEBUG_MSG( 2, ( "<= calc verify" ) ); - - return; -} - -void ssl_calc_verify_tls( ssl_context *ssl, unsigned char hash[36] ) -{ - md5_context md5; - sha1_context sha1; - - SSL_DEBUG_MSG( 2, ( "=> calc verify tls" ) ); - - memcpy( &md5 , (md5_context *) ssl->ctx_checksum, sizeof(md5_context) ); - memcpy( &sha1, (sha1_context *) ( ssl->ctx_checksum + sizeof(md5_context) ), - sizeof( sha1_context ) ); - - md5_finish( &md5, hash ); - sha1_finish( &sha1, hash + 16 ); - - SSL_DEBUG_BUF( 3, "calculated verify result", hash, 36 ); - SSL_DEBUG_MSG( 2, ( "<= calc verify" ) ); - - return; -} - -void ssl_calc_verify_tls_sha256( ssl_context *ssl, unsigned char hash[32] ) -{ - sha2_context sha2; - - SSL_DEBUG_MSG( 2, ( "=> calc verify sha256" ) ); - - memcpy( &sha2 , (sha2_context *) ssl->ctx_checksum, sizeof(sha2_context) ); - sha2_finish( &sha2, hash ); - - SSL_DEBUG_BUF( 3, "calculated verify result", hash, 32 ); - SSL_DEBUG_MSG( 2, ( "<= calc verify" ) ); - - return; -} - -void ssl_calc_verify_tls_sha384( ssl_context *ssl, unsigned char hash[48] ) -{ - sha4_context sha4; - - SSL_DEBUG_MSG( 2, ( "=> calc verify sha384" ) ); - - memcpy( &sha4 , (sha4_context *) ssl->ctx_checksum, sizeof(sha4_context) ); - sha4_finish( &sha4, hash ); - - SSL_DEBUG_BUF( 3, "calculated verify result", hash, 48 ); - SSL_DEBUG_MSG( 2, ( "<= calc verify" ) ); - - return; -} - -/* - * SSLv3.0 MAC functions - */ -static void ssl_mac_md5( unsigned char *secret, - unsigned char *buf, size_t len, - unsigned char *ctr, int type ) -{ - unsigned char header[11]; - unsigned char padding[48]; - md5_context md5; - - memcpy( header, ctr, 8 ); - header[ 8] = (unsigned char) type; - header[ 9] = (unsigned char)( len >> 8 ); - header[10] = (unsigned char)( len ); - - memset( padding, 0x36, 48 ); - md5_starts( &md5 ); - md5_update( &md5, secret, 16 ); - md5_update( &md5, padding, 48 ); - md5_update( &md5, header, 11 ); - md5_update( &md5, buf, len ); - md5_finish( &md5, buf + len ); - - memset( padding, 0x5C, 48 ); - md5_starts( &md5 ); - md5_update( &md5, secret, 16 ); - md5_update( &md5, padding, 48 ); - md5_update( &md5, buf + len, 16 ); - md5_finish( &md5, buf + len ); -} - -static void ssl_mac_sha1( unsigned char *secret, - unsigned char *buf, size_t len, - unsigned char *ctr, int type ) -{ - unsigned char header[11]; - unsigned char padding[40]; - sha1_context sha1; - - memcpy( header, ctr, 8 ); - header[ 8] = (unsigned char) type; - header[ 9] = (unsigned char)( len >> 8 ); - header[10] = (unsigned char)( len ); - - memset( padding, 0x36, 40 ); - sha1_starts( &sha1 ); - sha1_update( &sha1, secret, 20 ); - sha1_update( &sha1, padding, 40 ); - sha1_update( &sha1, header, 11 ); - sha1_update( &sha1, buf, len ); - sha1_finish( &sha1, buf + len ); - - memset( padding, 0x5C, 40 ); - sha1_starts( &sha1 ); - sha1_update( &sha1, secret, 20 ); - sha1_update( &sha1, padding, 40 ); - sha1_update( &sha1, buf + len, 20 ); - sha1_finish( &sha1, buf + len ); -} - -/* - * Encryption/decryption functions - */ -static int ssl_encrypt_buf( ssl_context *ssl ) -{ - size_t i, padlen; - - SSL_DEBUG_MSG( 2, ( "=> encrypt buf" ) ); - - /* - * Add MAC then encrypt - */ - if( ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - if( ssl->maclen == 16 ) - ssl_mac_md5( ssl->mac_enc, - ssl->out_msg, ssl->out_msglen, - ssl->out_ctr, ssl->out_msgtype ); - - if( ssl->maclen == 20 ) - ssl_mac_sha1( ssl->mac_enc, - ssl->out_msg, ssl->out_msglen, - ssl->out_ctr, ssl->out_msgtype ); - } - else - { - if( ssl->maclen == 16 ) - md5_hmac( ssl->mac_enc, 16, - ssl->out_ctr, ssl->out_msglen + 13, - ssl->out_msg + ssl->out_msglen ); - - if( ssl->maclen == 20 ) - sha1_hmac( ssl->mac_enc, 20, - ssl->out_ctr, ssl->out_msglen + 13, - ssl->out_msg + ssl->out_msglen ); - - if( ssl->maclen == 32 ) - sha2_hmac( ssl->mac_enc, 32, - ssl->out_ctr, ssl->out_msglen + 13, - ssl->out_msg + ssl->out_msglen, 0); - } - - SSL_DEBUG_BUF( 4, "computed mac", - ssl->out_msg + ssl->out_msglen, ssl->maclen ); - - ssl->out_msglen += ssl->maclen; - - if( ssl->ivlen == 0 ) - { - padlen = 0; - - SSL_DEBUG_MSG( 3, ( "before encrypt: msglen = %d, " - "including %d bytes of padding", - ssl->out_msglen, 0 ) ); - - SSL_DEBUG_BUF( 4, "before encrypt: output payload", - ssl->out_msg, ssl->out_msglen ); - -#if defined(POLARSSL_ARC4_C) - if( ssl->session->ciphersuite == SSL_RSA_RC4_128_MD5 || - ssl->session->ciphersuite == SSL_RSA_RC4_128_SHA ) - { - arc4_crypt( (arc4_context *) ssl->ctx_enc, - ssl->out_msglen, ssl->out_msg, - ssl->out_msg ); - } else -#endif -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - if( ssl->session->ciphersuite == SSL_RSA_NULL_MD5 || - ssl->session->ciphersuite == SSL_RSA_NULL_SHA || - ssl->session->ciphersuite == SSL_RSA_NULL_SHA256 ) - { - } else -#endif - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); - } - else if( ssl->ivlen == 12 ) - { - size_t enc_msglen; - unsigned char *enc_msg; - unsigned char add_data[13]; - int ret = POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE; - - padlen = 0; - enc_msglen = ssl->out_msglen; - - memcpy( add_data, ssl->out_ctr, 8 ); - add_data[8] = ssl->out_msgtype; - add_data[9] = ssl->major_ver; - add_data[10] = ssl->minor_ver; - add_data[11] = ( ssl->out_msglen >> 8 ) & 0xFF; - add_data[12] = ssl->out_msglen & 0xFF; - - SSL_DEBUG_BUF( 4, "additional data used for AEAD", - add_data, 13 ); - -#if defined(POLARSSL_AES_C) && defined(POLARSSL_GCM_C) - - if( ssl->session->ciphersuite == SSL_RSA_AES_128_GCM_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_GCM_SHA256 || - ssl->session->ciphersuite == SSL_RSA_AES_256_GCM_SHA384 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - /* - * Generate IV - */ - ret = ssl->f_rng( ssl->p_rng, ssl->iv_enc + ssl->fixed_ivlen, - ssl->ivlen - ssl->fixed_ivlen ); - if( ret != 0 ) - return( ret ); - - /* - * Shift message for ivlen bytes and prepend IV - */ - memmove( ssl->out_msg + ssl->ivlen - ssl->fixed_ivlen, - ssl->out_msg, ssl->out_msglen ); - memcpy( ssl->out_msg, ssl->iv_enc + ssl->fixed_ivlen, - ssl->ivlen - ssl->fixed_ivlen ); - - /* - * Fix pointer positions and message length with added IV - */ - enc_msg = ssl->out_msg + ssl->ivlen - ssl->fixed_ivlen; - enc_msglen = ssl->out_msglen; - ssl->out_msglen += ssl->ivlen - ssl->fixed_ivlen; - - SSL_DEBUG_MSG( 3, ( "before encrypt: msglen = %d, " - "including %d bytes of padding", - ssl->out_msglen, 0 ) ); - - SSL_DEBUG_BUF( 4, "before encrypt: output payload", - ssl->out_msg, ssl->out_msglen ); - - /* - * Adjust for tag - */ - ssl->out_msglen += 16; - - gcm_crypt_and_tag( (gcm_context *) ssl->ctx_enc, - GCM_ENCRYPT, enc_msglen, - ssl->iv_enc, ssl->ivlen, - add_data, 13, - enc_msg, enc_msg, - 16, enc_msg + enc_msglen ); - - SSL_DEBUG_BUF( 4, "after encrypt: tag", - enc_msg + enc_msglen, 16 ); - - } else -#endif - return( ret ); - } - else - { - unsigned char *enc_msg; - size_t enc_msglen; - - padlen = ssl->ivlen - ( ssl->out_msglen + 1 ) % ssl->ivlen; - if( padlen == ssl->ivlen ) - padlen = 0; - - for( i = 0; i <= padlen; i++ ) - ssl->out_msg[ssl->out_msglen + i] = (unsigned char) padlen; - - ssl->out_msglen += padlen + 1; - - enc_msglen = ssl->out_msglen; - enc_msg = ssl->out_msg; - - /* - * Prepend per-record IV for block cipher in TLS v1.1 and up as per - * Method 1 (6.2.3.2. in RFC4346 and RFC5246) - */ - if( ssl->minor_ver >= SSL_MINOR_VERSION_2 ) - { - /* - * Generate IV - */ - int ret = ssl->f_rng( ssl->p_rng, ssl->iv_enc, ssl->ivlen ); - if( ret != 0 ) - return( ret ); - - /* - * Shift message for ivlen bytes and prepend IV - */ - memmove( ssl->out_msg + ssl->ivlen, ssl->out_msg, ssl->out_msglen ); - memcpy( ssl->out_msg, ssl->iv_enc, ssl->ivlen ); - - /* - * Fix pointer positions and message length with added IV - */ - enc_msg = ssl->out_msg + ssl->ivlen; - enc_msglen = ssl->out_msglen; - ssl->out_msglen += ssl->ivlen; - } - - SSL_DEBUG_MSG( 3, ( "before encrypt: msglen = %d, " - "including %d bytes of IV and %d bytes of padding", - ssl->out_msglen, ssl->ivlen, padlen + 1 ) ); - - SSL_DEBUG_BUF( 4, "before encrypt: output payload", - ssl->out_msg, ssl->out_msglen ); - - switch( ssl->ivlen ) - { -#if defined(POLARSSL_DES_C) - case 8: -#if defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) - if( ssl->session->ciphersuite == SSL_RSA_DES_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_DES_SHA ) - { - des_crypt_cbc( (des_context *) ssl->ctx_enc, - DES_ENCRYPT, enc_msglen, - ssl->iv_enc, enc_msg, enc_msg ); - } - else -#endif - des3_crypt_cbc( (des3_context *) ssl->ctx_enc, - DES_ENCRYPT, enc_msglen, - ssl->iv_enc, enc_msg, enc_msg ); - break; -#endif - - case 16: -#if defined(POLARSSL_AES_C) - if ( ssl->session->ciphersuite == SSL_RSA_AES_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA || - ssl->session->ciphersuite == SSL_RSA_AES_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA || - ssl->session->ciphersuite == SSL_RSA_AES_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA256 || - ssl->session->ciphersuite == SSL_RSA_AES_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA256 ) - { - aes_crypt_cbc( (aes_context *) ssl->ctx_enc, - AES_ENCRYPT, enc_msglen, - ssl->iv_enc, enc_msg, enc_msg); - break; - } -#endif - -#if defined(POLARSSL_CAMELLIA_C) - if ( ssl->session->ciphersuite == SSL_RSA_CAMELLIA_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA || - ssl->session->ciphersuite == SSL_RSA_CAMELLIA_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA || - ssl->session->ciphersuite == SSL_RSA_CAMELLIA_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA256 || - ssl->session->ciphersuite == SSL_RSA_CAMELLIA_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA256 ) - { - camellia_crypt_cbc( (camellia_context *) ssl->ctx_enc, - CAMELLIA_ENCRYPT, enc_msglen, - ssl->iv_enc, enc_msg, enc_msg ); - break; - } -#endif - - default: - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); - } - } - - for( i = 8; i > 0; i-- ) - if( ++ssl->out_ctr[i - 1] != 0 ) - break; - - SSL_DEBUG_MSG( 2, ( "<= encrypt buf" ) ); - - return( 0 ); -} - -/* - * TODO: Use digest version when integrated! - */ -#define POLARSSL_SSL_MAX_MAC_SIZE 32 - -static int ssl_decrypt_buf( ssl_context *ssl ) -{ - size_t i, padlen; - unsigned char tmp[POLARSSL_SSL_MAX_MAC_SIZE]; - - SSL_DEBUG_MSG( 2, ( "=> decrypt buf" ) ); - - if( ssl->in_msglen < ssl->minlen ) - { - SSL_DEBUG_MSG( 1, ( "in_msglen (%d) < minlen (%d)", - ssl->in_msglen, ssl->minlen ) ); - return( POLARSSL_ERR_SSL_INVALID_MAC ); - } - - if( ssl->ivlen == 0 ) - { -#if defined(POLARSSL_ARC4_C) - padlen = 0; - if( ssl->session->ciphersuite == SSL_RSA_RC4_128_MD5 || - ssl->session->ciphersuite == SSL_RSA_RC4_128_SHA ) - { - arc4_crypt( (arc4_context *) ssl->ctx_dec, - ssl->in_msglen, ssl->in_msg, - ssl->in_msg ); - } else -#endif -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - if( ssl->session->ciphersuite == SSL_RSA_NULL_MD5 || - ssl->session->ciphersuite == SSL_RSA_NULL_SHA || - ssl->session->ciphersuite == SSL_RSA_NULL_SHA256 ) - { - } else -#endif - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); - } - else if( ssl->ivlen == 12 ) - { - unsigned char *dec_msg; - unsigned char *dec_msg_result; - size_t dec_msglen; - unsigned char add_data[13]; - int ret = POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE; - - padlen = 0; - -#if defined(POLARSSL_AES_C) && defined(POLARSSL_GCM_C) - if( ssl->session->ciphersuite == SSL_RSA_AES_128_GCM_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_GCM_SHA256 || - ssl->session->ciphersuite == SSL_RSA_AES_256_GCM_SHA384 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - dec_msglen = ssl->in_msglen - ( ssl->ivlen - ssl->fixed_ivlen ); - dec_msglen -= 16; - dec_msg = ssl->in_msg + ( ssl->ivlen - ssl->fixed_ivlen ); - dec_msg_result = ssl->in_msg; - ssl->in_msglen = dec_msglen; - - memcpy( add_data, ssl->in_ctr, 8 ); - add_data[8] = ssl->in_msgtype; - add_data[9] = ssl->major_ver; - add_data[10] = ssl->minor_ver; - add_data[11] = ( ssl->in_msglen >> 8 ) & 0xFF; - add_data[12] = ssl->in_msglen & 0xFF; - - SSL_DEBUG_BUF( 4, "additional data used for AEAD", - add_data, 13 ); - - memcpy( ssl->iv_dec + ssl->fixed_ivlen, ssl->in_msg, - ssl->ivlen - ssl->fixed_ivlen ); - - SSL_DEBUG_BUF( 4, "IV used", ssl->iv_dec, ssl->ivlen ); - SSL_DEBUG_BUF( 4, "TAG used", dec_msg + dec_msglen, 16 ); - - memcpy( ssl->iv_dec + ssl->fixed_ivlen, ssl->in_msg, - ssl->ivlen - ssl->fixed_ivlen ); - - ret = gcm_auth_decrypt( (gcm_context *) ssl->ctx_dec, - dec_msglen, - ssl->iv_dec, ssl->ivlen, - add_data, 13, - dec_msg + dec_msglen, 16, - dec_msg, dec_msg_result ); - - if( ret != 0 ) - { - SSL_DEBUG_MSG( 1, ( "AEAD decrypt failed on validation (ret = -0x%02x)", - -ret ) ); - - return( POLARSSL_ERR_SSL_INVALID_MAC ); - } - } else -#endif - return( ret ); - } - else - { - unsigned char *dec_msg; - unsigned char *dec_msg_result; - size_t dec_msglen; - - /* - * Decrypt and check the padding - */ - if( ssl->in_msglen % ssl->ivlen != 0 ) - { - SSL_DEBUG_MSG( 1, ( "msglen (%d) %% ivlen (%d) != 0", - ssl->in_msglen, ssl->ivlen ) ); - return( POLARSSL_ERR_SSL_INVALID_MAC ); - } - - dec_msglen = ssl->in_msglen; - dec_msg = ssl->in_msg; - dec_msg_result = ssl->in_msg; - - /* - * Initialize for prepended IV for block cipher in TLS v1.1 and up - */ - if( ssl->minor_ver >= SSL_MINOR_VERSION_2 ) - { - dec_msg += ssl->ivlen; - dec_msglen -= ssl->ivlen; - ssl->in_msglen -= ssl->ivlen; - - for( i = 0; i < ssl->ivlen; i++ ) - ssl->iv_dec[i] = ssl->in_msg[i]; - } - - switch( ssl->ivlen ) - { -#if defined(POLARSSL_DES_C) - case 8: -#if defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) - if( ssl->session->ciphersuite == SSL_RSA_DES_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_DES_SHA ) - { - des_crypt_cbc( (des_context *) ssl->ctx_dec, - DES_DECRYPT, dec_msglen, - ssl->iv_dec, dec_msg, dec_msg_result ); - } - else -#endif - des3_crypt_cbc( (des3_context *) ssl->ctx_dec, - DES_DECRYPT, dec_msglen, - ssl->iv_dec, dec_msg, dec_msg_result ); - break; -#endif - - case 16: -#if defined(POLARSSL_AES_C) - if ( ssl->session->ciphersuite == SSL_RSA_AES_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA || - ssl->session->ciphersuite == SSL_RSA_AES_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA || - ssl->session->ciphersuite == SSL_RSA_AES_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_128_SHA256 || - ssl->session->ciphersuite == SSL_RSA_AES_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_AES_256_SHA256 ) - { - aes_crypt_cbc( (aes_context *) ssl->ctx_dec, - AES_DECRYPT, dec_msglen, - ssl->iv_dec, dec_msg, dec_msg_result ); - break; - } -#endif - -#if defined(POLARSSL_CAMELLIA_C) - if ( ssl->session->ciphersuite == SSL_RSA_CAMELLIA_128_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA || - ssl->session->ciphersuite == SSL_RSA_CAMELLIA_256_SHA || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA || - ssl->session->ciphersuite == SSL_RSA_CAMELLIA_128_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_128_SHA256 || - ssl->session->ciphersuite == SSL_RSA_CAMELLIA_256_SHA256 || - ssl->session->ciphersuite == SSL_EDH_RSA_CAMELLIA_256_SHA256 ) - { - camellia_crypt_cbc( (camellia_context *) ssl->ctx_dec, - CAMELLIA_DECRYPT, dec_msglen, - ssl->iv_dec, dec_msg, dec_msg_result ); - break; - } -#endif - - default: - return( POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE ); - } - - padlen = 1 + ssl->in_msg[ssl->in_msglen - 1]; - - if( ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - if( padlen > ssl->ivlen ) - { - SSL_DEBUG_MSG( 1, ( "bad padding length: is %d, " - "should be no more than %d", - padlen, ssl->ivlen ) ); - padlen = 0; - } - } - else - { - /* - * TLSv1: always check the padding - */ - for( i = 1; i <= padlen; i++ ) - { - if( ssl->in_msg[ssl->in_msglen - i] != padlen - 1 ) - { - SSL_DEBUG_MSG( 1, ( "bad padding byte: should be " - "%02x, but is %02x", padlen - 1, - ssl->in_msg[ssl->in_msglen - i] ) ); - padlen = 0; - } - } - } - } - - SSL_DEBUG_BUF( 4, "raw buffer after decryption", - ssl->in_msg, ssl->in_msglen ); - - /* - * Always compute the MAC (RFC4346, CBCTIME). - */ - if( ssl->in_msglen < ssl->maclen + padlen ) - { - SSL_DEBUG_MSG( 1, ( "msglen (%d) < maclen (%d) + padlen (%d)", - ssl->in_msglen, ssl->maclen, padlen ) ); - return( POLARSSL_ERR_SSL_INVALID_MAC ); - } - - ssl->in_msglen -= ( ssl->maclen + padlen ); - - ssl->in_hdr[3] = (unsigned char)( ssl->in_msglen >> 8 ); - ssl->in_hdr[4] = (unsigned char)( ssl->in_msglen ); - - memcpy( tmp, ssl->in_msg + ssl->in_msglen, POLARSSL_SSL_MAX_MAC_SIZE ); - - if( ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - if( ssl->maclen == 16 ) - ssl_mac_md5( ssl->mac_dec, - ssl->in_msg, ssl->in_msglen, - ssl->in_ctr, ssl->in_msgtype ); - else if( ssl->maclen == 20 ) - ssl_mac_sha1( ssl->mac_dec, - ssl->in_msg, ssl->in_msglen, - ssl->in_ctr, ssl->in_msgtype ); - } - else - { - if( ssl->maclen == 16 ) - md5_hmac( ssl->mac_dec, 16, - ssl->in_ctr, ssl->in_msglen + 13, - ssl->in_msg + ssl->in_msglen ); - else if( ssl->maclen == 20 ) - sha1_hmac( ssl->mac_dec, 20, - ssl->in_ctr, ssl->in_msglen + 13, - ssl->in_msg + ssl->in_msglen ); - else if( ssl->maclen == 32 ) - sha2_hmac( ssl->mac_dec, 32, - ssl->in_ctr, ssl->in_msglen + 13, - ssl->in_msg + ssl->in_msglen, 0 ); - } - - SSL_DEBUG_BUF( 4, "message mac", tmp, ssl->maclen ); - SSL_DEBUG_BUF( 4, "computed mac", ssl->in_msg + ssl->in_msglen, - ssl->maclen ); - - if( memcmp( tmp, ssl->in_msg + ssl->in_msglen, - ssl->maclen ) != 0 ) - { - SSL_DEBUG_MSG( 1, ( "message mac does not match" ) ); - return( POLARSSL_ERR_SSL_INVALID_MAC ); - } - - /* - * Finally check the padding length; bad padding - * will produce the same error as an invalid MAC. - */ - if( ssl->ivlen != 0 && ssl->ivlen != 12 && padlen == 0 ) - return( POLARSSL_ERR_SSL_INVALID_MAC ); - - if( ssl->in_msglen == 0 ) - { - ssl->nb_zero++; - - /* - * Three or more empty messages may be a DoS attack - * (excessive CPU consumption). - */ - if( ssl->nb_zero > 3 ) - { - SSL_DEBUG_MSG( 1, ( "received four consecutive empty " - "messages, possible DoS attack" ) ); - return( POLARSSL_ERR_SSL_INVALID_MAC ); - } - } - else - ssl->nb_zero = 0; - - for( i = 8; i > 0; i-- ) - if( ++ssl->in_ctr[i - 1] != 0 ) - break; - - SSL_DEBUG_MSG( 2, ( "<= decrypt buf" ) ); - - return( 0 ); -} - -/* - * Fill the input message buffer - */ -int ssl_fetch_input( ssl_context *ssl, size_t nb_want ) -{ - int ret; - size_t len; - - SSL_DEBUG_MSG( 2, ( "=> fetch input" ) ); - - while( ssl->in_left < nb_want ) - { - len = nb_want - ssl->in_left; - ret = ssl->f_recv( ssl->p_recv, ssl->in_hdr + ssl->in_left, len ); - - SSL_DEBUG_MSG( 2, ( "in_left: %d, nb_want: %d", - ssl->in_left, nb_want ) ); - SSL_DEBUG_RET( 2, "ssl->f_recv", ret ); - - if( ret == 0 ) - return( POLARSSL_ERR_SSL_CONN_EOF ); - - if( ret < 0 ) - return( ret ); - - ssl->in_left += ret; - } - - SSL_DEBUG_MSG( 2, ( "<= fetch input" ) ); - - return( 0 ); -} - -/* - * Flush any data not yet written - */ -int ssl_flush_output( ssl_context *ssl ) -{ - int ret; - unsigned char *buf; - - SSL_DEBUG_MSG( 2, ( "=> flush output" ) ); - - while( ssl->out_left > 0 ) - { - SSL_DEBUG_MSG( 2, ( "message length: %d, out_left: %d", - 5 + ssl->out_msglen, ssl->out_left ) ); - - buf = ssl->out_hdr + 5 + ssl->out_msglen - ssl->out_left; - ret = ssl->f_send( ssl->p_send, buf, ssl->out_left ); - SSL_DEBUG_RET( 2, "ssl->f_send", ret ); - - if( ret <= 0 ) - return( ret ); - - ssl->out_left -= ret; - } - - SSL_DEBUG_MSG( 2, ( "<= flush output" ) ); - - return( 0 ); -} - -/* - * Record layer functions - */ -int ssl_write_record( ssl_context *ssl ) -{ - int ret; - size_t len = ssl->out_msglen; - - SSL_DEBUG_MSG( 2, ( "=> write record" ) ); - - ssl->out_hdr[0] = (unsigned char) ssl->out_msgtype; - ssl->out_hdr[1] = (unsigned char) ssl->major_ver; - ssl->out_hdr[2] = (unsigned char) ssl->minor_ver; - ssl->out_hdr[3] = (unsigned char)( len >> 8 ); - ssl->out_hdr[4] = (unsigned char)( len ); - - if( ssl->out_msgtype == SSL_MSG_HANDSHAKE ) - { - ssl->out_msg[1] = (unsigned char)( ( len - 4 ) >> 16 ); - ssl->out_msg[2] = (unsigned char)( ( len - 4 ) >> 8 ); - ssl->out_msg[3] = (unsigned char)( ( len - 4 ) ); - - ssl->update_checksum( ssl, ssl->out_msg, len ); - } - - if( ssl->do_crypt != 0 ) - { - if( ( ret = ssl_encrypt_buf( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_encrypt_buf", ret ); - return( ret ); - } - - len = ssl->out_msglen; - ssl->out_hdr[3] = (unsigned char)( len >> 8 ); - ssl->out_hdr[4] = (unsigned char)( len ); - } - - ssl->out_left = 5 + ssl->out_msglen; - - SSL_DEBUG_MSG( 3, ( "output record: msgtype = %d, " - "version = [%d:%d], msglen = %d", - ssl->out_hdr[0], ssl->out_hdr[1], ssl->out_hdr[2], - ( ssl->out_hdr[3] << 8 ) | ssl->out_hdr[4] ) ); - - SSL_DEBUG_BUF( 4, "output record sent to network", - ssl->out_hdr, 5 + ssl->out_msglen ); - - if( ( ret = ssl_flush_output( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_flush_output", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write record" ) ); - - return( 0 ); -} - -int ssl_read_record( ssl_context *ssl ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> read record" ) ); - - if( ssl->in_hslen != 0 && - ssl->in_hslen < ssl->in_msglen ) - { - /* - * Get next Handshake message in the current record - */ - ssl->in_msglen -= ssl->in_hslen; - - memmove( ssl->in_msg, ssl->in_msg + ssl->in_hslen, - ssl->in_msglen ); - - ssl->in_hslen = 4; - ssl->in_hslen += ( ssl->in_msg[2] << 8 ) | ssl->in_msg[3]; - - SSL_DEBUG_MSG( 3, ( "handshake message: msglen =" - " %d, type = %d, hslen = %d", - ssl->in_msglen, ssl->in_msg[0], ssl->in_hslen ) ); - - if( ssl->in_msglen < 4 || ssl->in_msg[1] != 0 ) - { - SSL_DEBUG_MSG( 1, ( "bad handshake length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - if( ssl->in_msglen < ssl->in_hslen ) - { - SSL_DEBUG_MSG( 1, ( "bad handshake length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - ssl->update_checksum( ssl, ssl->in_msg, ssl->in_hslen ); - - return( 0 ); - } - - ssl->in_hslen = 0; - - /* - * Read the record header and validate it - */ - if( ( ret = ssl_fetch_input( ssl, 5 ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_fetch_input", ret ); - return( ret ); - } - - ssl->in_msgtype = ssl->in_hdr[0]; - ssl->in_msglen = ( ssl->in_hdr[3] << 8 ) | ssl->in_hdr[4]; - - SSL_DEBUG_MSG( 3, ( "input record: msgtype = %d, " - "version = [%d:%d], msglen = %d", - ssl->in_hdr[0], ssl->in_hdr[1], ssl->in_hdr[2], - ( ssl->in_hdr[3] << 8 ) | ssl->in_hdr[4] ) ); - - if( ssl->in_hdr[1] != ssl->major_ver ) - { - SSL_DEBUG_MSG( 1, ( "major version mismatch" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - if( ssl->in_hdr[2] > ssl->max_minor_ver ) - { - SSL_DEBUG_MSG( 1, ( "minor version mismatch" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - /* - * Make sure the message length is acceptable - */ - if( ssl->do_crypt == 0 ) - { - if( ssl->in_msglen < 1 || - ssl->in_msglen > SSL_MAX_CONTENT_LEN ) - { - SSL_DEBUG_MSG( 1, ( "bad message length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - } - else - { - if( ssl->in_msglen < ssl->minlen ) - { - SSL_DEBUG_MSG( 1, ( "bad message length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - if( ssl->minor_ver == SSL_MINOR_VERSION_0 && - ssl->in_msglen > ssl->minlen + SSL_MAX_CONTENT_LEN ) - { - SSL_DEBUG_MSG( 1, ( "bad message length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - /* - * TLS encrypted messages can have up to 256 bytes of padding - */ - if( ssl->minor_ver >= SSL_MINOR_VERSION_1 && - ssl->in_msglen > ssl->minlen + SSL_MAX_CONTENT_LEN + 256 ) - { - SSL_DEBUG_MSG( 1, ( "bad message length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - } - - /* - * Read and optionally decrypt the message contents - */ - if( ( ret = ssl_fetch_input( ssl, 5 + ssl->in_msglen ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_fetch_input", ret ); - return( ret ); - } - - SSL_DEBUG_BUF( 4, "input record from network", - ssl->in_hdr, 5 + ssl->in_msglen ); - - if( ssl->do_crypt != 0 ) - { - if( ( ret = ssl_decrypt_buf( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_decrypt_buf", ret ); - return( ret ); - } - - SSL_DEBUG_BUF( 4, "input payload after decrypt", - ssl->in_msg, ssl->in_msglen ); - - if( ssl->in_msglen > SSL_MAX_CONTENT_LEN ) - { - SSL_DEBUG_MSG( 1, ( "bad message length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE && - ssl->in_msgtype != SSL_MSG_ALERT && - ssl->in_msgtype != SSL_MSG_CHANGE_CIPHER_SPEC && - ssl->in_msgtype != SSL_MSG_APPLICATION_DATA ) - { - SSL_DEBUG_MSG( 1, ( "unknown record type" ) ); - - if( ( ret = ssl_send_alert_message( ssl, SSL_ALERT_LEVEL_FATAL, - SSL_ALERT_MSG_UNEXPECTED_MESSAGE ) ) != 0 ) - { - return( ret ); - } - - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - if( ssl->in_msgtype == SSL_MSG_HANDSHAKE ) - { - ssl->in_hslen = 4; - ssl->in_hslen += ( ssl->in_msg[2] << 8 ) | ssl->in_msg[3]; - - SSL_DEBUG_MSG( 3, ( "handshake message: msglen =" - " %d, type = %d, hslen = %d", - ssl->in_msglen, ssl->in_msg[0], ssl->in_hslen ) ); - - /* - * Additional checks to validate the handshake header - */ - if( ssl->in_msglen < 4 || ssl->in_msg[1] != 0 ) - { - SSL_DEBUG_MSG( 1, ( "bad handshake length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - if( ssl->in_msglen < ssl->in_hslen ) - { - SSL_DEBUG_MSG( 1, ( "bad handshake length" ) ); - return( POLARSSL_ERR_SSL_INVALID_RECORD ); - } - - ssl->update_checksum( ssl, ssl->in_msg, ssl->in_hslen ); - } - - if( ssl->in_msgtype == SSL_MSG_ALERT ) - { - SSL_DEBUG_MSG( 2, ( "got an alert message, type: [%d:%d]", - ssl->in_msg[0], ssl->in_msg[1] ) ); - - /* - * Ignore non-fatal alerts, except close_notify - */ - if( ssl->in_msg[0] == SSL_ALERT_LEVEL_FATAL ) - { - SSL_DEBUG_MSG( 1, ( "is a fatal alert message" ) ); - /** - * Subtract from error code as ssl->in_msg[1] is 7-bit positive - * error identifier. - */ - return( POLARSSL_ERR_SSL_FATAL_ALERT_MESSAGE - ssl->in_msg[1] ); - } - - if( ssl->in_msg[0] == SSL_ALERT_LEVEL_WARNING && - ssl->in_msg[1] == SSL_ALERT_MSG_CLOSE_NOTIFY ) - { - SSL_DEBUG_MSG( 2, ( "is a close notify message" ) ); - return( POLARSSL_ERR_SSL_PEER_CLOSE_NOTIFY ); - } - } - - ssl->in_left = 0; - - SSL_DEBUG_MSG( 2, ( "<= read record" ) ); - - return( 0 ); -} - -int ssl_send_alert_message( ssl_context *ssl, - unsigned char level, - unsigned char message ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> send alert message" ) ); - - ssl->out_msgtype = SSL_MSG_ALERT; - ssl->out_msglen = 2; - ssl->out_msg[0] = level; - ssl->out_msg[1] = message; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= send alert message" ) ); - - return( 0 ); -} - -/* - * Handshake functions - */ -int ssl_write_certificate( ssl_context *ssl ) -{ - int ret; - size_t i, n; - const x509_cert *crt; - - SSL_DEBUG_MSG( 2, ( "=> write certificate" ) ); - - if( ssl->endpoint == SSL_IS_CLIENT ) - { - if( ssl->client_auth == 0 ) - { - SSL_DEBUG_MSG( 2, ( "<= skip write certificate" ) ); - ssl->state++; - return( 0 ); - } - - /* - * If using SSLv3 and got no cert, send an Alert message - * (otherwise an empty Certificate message will be sent). - */ - if( ssl->own_cert == NULL && - ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - ssl->out_msglen = 2; - ssl->out_msgtype = SSL_MSG_ALERT; - ssl->out_msg[0] = SSL_ALERT_LEVEL_WARNING; - ssl->out_msg[1] = SSL_ALERT_MSG_NO_CERT; - - SSL_DEBUG_MSG( 2, ( "got no certificate to send" ) ); - goto write_msg; - } - } - else /* SSL_IS_SERVER */ - { - if( ssl->own_cert == NULL ) - { - SSL_DEBUG_MSG( 1, ( "got no certificate to send" ) ); - return( POLARSSL_ERR_SSL_CERTIFICATE_REQUIRED ); - } - } - - SSL_DEBUG_CRT( 3, "own certificate", ssl->own_cert ); - - /* - * 0 . 0 handshake type - * 1 . 3 handshake length - * 4 . 6 length of all certs - * 7 . 9 length of cert. 1 - * 10 . n-1 peer certificate - * n . n+2 length of cert. 2 - * n+3 . ... upper level cert, etc. - */ - i = 7; - crt = ssl->own_cert; - - while( crt != NULL ) - { - n = crt->raw.len; - if( i + 3 + n > SSL_MAX_CONTENT_LEN ) - { - SSL_DEBUG_MSG( 1, ( "certificate too large, %d > %d", - i + 3 + n, SSL_MAX_CONTENT_LEN ) ); - return( POLARSSL_ERR_SSL_CERTIFICATE_TOO_LARGE ); - } - - ssl->out_msg[i ] = (unsigned char)( n >> 16 ); - ssl->out_msg[i + 1] = (unsigned char)( n >> 8 ); - ssl->out_msg[i + 2] = (unsigned char)( n ); - - i += 3; memcpy( ssl->out_msg + i, crt->raw.p, n ); - i += n; crt = crt->next; - } - - ssl->out_msg[4] = (unsigned char)( ( i - 7 ) >> 16 ); - ssl->out_msg[5] = (unsigned char)( ( i - 7 ) >> 8 ); - ssl->out_msg[6] = (unsigned char)( ( i - 7 ) ); - - ssl->out_msglen = i; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_CERTIFICATE; - -write_msg: - - ssl->state++; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write certificate" ) ); - - return( 0 ); -} - -int ssl_parse_certificate( ssl_context *ssl ) -{ - int ret; - size_t i, n; - - SSL_DEBUG_MSG( 2, ( "=> parse certificate" ) ); - - if( ssl->endpoint == SSL_IS_SERVER && - ssl->authmode == SSL_VERIFY_NONE ) - { - ssl->verify_result = BADCERT_SKIP_VERIFY; - SSL_DEBUG_MSG( 2, ( "<= skip parse certificate" ) ); - ssl->state++; - return( 0 ); - } - - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - ssl->state++; - - /* - * Check if the client sent an empty certificate - */ - if( ssl->endpoint == SSL_IS_SERVER && - ssl->minor_ver == SSL_MINOR_VERSION_0 ) - { - if( ssl->in_msglen == 2 && - ssl->in_msgtype == SSL_MSG_ALERT && - ssl->in_msg[0] == SSL_ALERT_LEVEL_WARNING && - ssl->in_msg[1] == SSL_ALERT_MSG_NO_CERT ) - { - SSL_DEBUG_MSG( 1, ( "SSLv3 client has no certificate" ) ); - - ssl->verify_result = BADCERT_MISSING; - if( ssl->authmode == SSL_VERIFY_OPTIONAL ) - return( 0 ); - else - return( POLARSSL_ERR_SSL_NO_CLIENT_CERTIFICATE ); - } - } - - if( ssl->endpoint == SSL_IS_SERVER && - ssl->minor_ver != SSL_MINOR_VERSION_0 ) - { - if( ssl->in_hslen == 7 && - ssl->in_msgtype == SSL_MSG_HANDSHAKE && - ssl->in_msg[0] == SSL_HS_CERTIFICATE && - memcmp( ssl->in_msg + 4, "\0\0\0", 3 ) == 0 ) - { - SSL_DEBUG_MSG( 1, ( "TLSv1 client has no certificate" ) ); - - ssl->verify_result = BADCERT_MISSING; - if( ssl->authmode == SSL_VERIFY_REQUIRED ) - return( POLARSSL_ERR_SSL_NO_CLIENT_CERTIFICATE ); - else - return( 0 ); - } - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - - if( ssl->in_msg[0] != SSL_HS_CERTIFICATE || ssl->in_hslen < 10 ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE ); - } - - /* - * Same message structure as in ssl_write_certificate() - */ - n = ( ssl->in_msg[5] << 8 ) | ssl->in_msg[6]; - - if( ssl->in_msg[4] != 0 || ssl->in_hslen != 7 + n ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE ); - } - - if( ( ssl->peer_cert = (x509_cert *) malloc( - sizeof( x509_cert ) ) ) == NULL ) - { - SSL_DEBUG_MSG( 1, ( "malloc(%d bytes) failed", - sizeof( x509_cert ) ) ); - return( POLARSSL_ERR_SSL_MALLOC_FAILED ); - } - - memset( ssl->peer_cert, 0, sizeof( x509_cert ) ); - - i = 7; - - while( i < ssl->in_hslen ) - { - if( ssl->in_msg[i] != 0 ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE ); - } - - n = ( (unsigned int) ssl->in_msg[i + 1] << 8 ) - | (unsigned int) ssl->in_msg[i + 2]; - i += 3; - - if( n < 128 || i + n > ssl->in_hslen ) - { - SSL_DEBUG_MSG( 1, ( "bad certificate message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CERTIFICATE ); - } - - ret = x509parse_crt( ssl->peer_cert, ssl->in_msg + i, n ); - if( ret != 0 ) - { - SSL_DEBUG_RET( 1, " x509parse_crt", ret ); - return( ret ); - } - - i += n; - } - - SSL_DEBUG_CRT( 3, "peer certificate", ssl->peer_cert ); - - if( ssl->authmode != SSL_VERIFY_NONE ) - { - if( ssl->ca_chain == NULL ) - { - SSL_DEBUG_MSG( 1, ( "got no CA chain" ) ); - return( POLARSSL_ERR_SSL_CA_CHAIN_REQUIRED ); - } - - ret = x509parse_verify( ssl->peer_cert, ssl->ca_chain, ssl->ca_crl, - ssl->peer_cn, &ssl->verify_result, - ssl->f_vrfy, ssl->p_vrfy ); - - if( ret != 0 ) - SSL_DEBUG_RET( 1, "x509_verify_cert", ret ); - - if( ssl->authmode != SSL_VERIFY_REQUIRED ) - ret = 0; - } - - SSL_DEBUG_MSG( 2, ( "<= parse certificate" ) ); - - return( ret ); -} - -int ssl_write_change_cipher_spec( ssl_context *ssl ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> write change cipher spec" ) ); - - ssl->out_msgtype = SSL_MSG_CHANGE_CIPHER_SPEC; - ssl->out_msglen = 1; - ssl->out_msg[0] = 1; - - ssl->do_crypt = 0; - ssl->state++; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write change cipher spec" ) ); - - return( 0 ); -} - -int ssl_parse_change_cipher_spec( ssl_context *ssl ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> parse change cipher spec" ) ); - - ssl->do_crypt = 0; - - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msgtype != SSL_MSG_CHANGE_CIPHER_SPEC ) - { - SSL_DEBUG_MSG( 1, ( "bad change cipher spec message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - - if( ssl->in_msglen != 1 || ssl->in_msg[0] != 1 ) - { - SSL_DEBUG_MSG( 1, ( "bad change cipher spec message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_CHANGE_CIPHER_SPEC ); - } - - ssl->state++; - - SSL_DEBUG_MSG( 2, ( "<= parse change cipher spec" ) ); - - return( 0 ); -} - -void ssl_kickstart_checksum( ssl_context *ssl, int ciphersuite, - unsigned char *input_buf, size_t len ) -{ - if( ssl->minor_ver < SSL_MINOR_VERSION_3 ) - { - md5_starts( (md5_context *) ssl->ctx_checksum ); - sha1_starts( (sha1_context *) ( ssl->ctx_checksum + - sizeof(md5_context) ) ); - - ssl->update_checksum = ssl_update_checksum_md5sha1; - } - else if ( ciphersuite == SSL_RSA_AES_256_GCM_SHA384 || - ciphersuite == SSL_EDH_RSA_AES_256_GCM_SHA384 ) - { - sha4_starts( (sha4_context *) ssl->ctx_checksum, 1 ); - ssl->update_checksum = ssl_update_checksum_sha384; - } - else - { - sha2_starts( (sha2_context *) ssl->ctx_checksum, 0 ); - ssl->update_checksum = ssl_update_checksum_sha256; - } - - if( ssl->endpoint == SSL_IS_CLIENT ) - ssl->update_checksum( ssl, ssl->out_msg, ssl->out_msglen ); - ssl->update_checksum( ssl, input_buf, len ); -} - -static void ssl_update_checksum_start( ssl_context *ssl, unsigned char *buf, - size_t len ) -{ - ((void) ssl); - ((void) buf); - ((void) len); -} - -static void ssl_update_checksum_md5sha1( ssl_context *ssl, unsigned char *buf, - size_t len ) -{ - md5_update( (md5_context *) ssl->ctx_checksum, buf, len ); - sha1_update( (sha1_context *) ( ssl->ctx_checksum + sizeof(md5_context) ), - buf, len ); -} - -static void ssl_update_checksum_sha256( ssl_context *ssl, unsigned char *buf, - size_t len ) -{ - sha2_update( (sha2_context *) ssl->ctx_checksum, buf, len ); -} - -static void ssl_update_checksum_sha384( ssl_context *ssl, unsigned char *buf, - size_t len ) -{ - sha4_update( (sha4_context *) ssl->ctx_checksum, buf, len ); -} - -static void ssl_calc_finished_ssl( - ssl_context *ssl, unsigned char *buf, int from ) -{ - char *sender; - md5_context md5; - sha1_context sha1; - - unsigned char padbuf[48]; - unsigned char md5sum[16]; - unsigned char sha1sum[20]; - - SSL_DEBUG_MSG( 2, ( "=> calc finished ssl" ) ); - - memcpy( &md5 , (md5_context *) ssl->ctx_checksum, sizeof(md5_context) ); - memcpy( &sha1, (sha1_context *) ( ssl->ctx_checksum + sizeof(md5_context) ), - sizeof( sha1_context ) ); - - /* - * SSLv3: - * hash = - * MD5( master + pad2 + - * MD5( handshake + sender + master + pad1 ) ) - * + SHA1( master + pad2 + - * SHA1( handshake + sender + master + pad1 ) ) - */ - - SSL_DEBUG_BUF( 4, "finished md5 state", (unsigned char *) - md5.state, sizeof( md5.state ) ); - - SSL_DEBUG_BUF( 4, "finished sha1 state", (unsigned char *) - sha1.state, sizeof( sha1.state ) ); - - sender = ( from == SSL_IS_CLIENT ) ? (char *) "CLNT" - : (char *) "SRVR"; - - memset( padbuf, 0x36, 48 ); - - md5_update( &md5, (unsigned char *) sender, 4 ); - md5_update( &md5, ssl->session->master, 48 ); - md5_update( &md5, padbuf, 48 ); - md5_finish( &md5, md5sum ); - - sha1_update( &sha1, (unsigned char *) sender, 4 ); - sha1_update( &sha1, ssl->session->master, 48 ); - sha1_update( &sha1, padbuf, 40 ); - sha1_finish( &sha1, sha1sum ); - - memset( padbuf, 0x5C, 48 ); - - md5_starts( &md5 ); - md5_update( &md5, ssl->session->master, 48 ); - md5_update( &md5, padbuf, 48 ); - md5_update( &md5, md5sum, 16 ); - md5_finish( &md5, buf ); - - sha1_starts( &sha1 ); - sha1_update( &sha1, ssl->session->master, 48 ); - sha1_update( &sha1, padbuf , 40 ); - sha1_update( &sha1, sha1sum, 20 ); - sha1_finish( &sha1, buf + 16 ); - - SSL_DEBUG_BUF( 3, "calc finished result", buf, 36 ); - - memset( &md5, 0, sizeof( md5_context ) ); - memset( &sha1, 0, sizeof( sha1_context ) ); - - memset( padbuf, 0, sizeof( padbuf ) ); - memset( md5sum, 0, sizeof( md5sum ) ); - memset( sha1sum, 0, sizeof( sha1sum ) ); - - SSL_DEBUG_MSG( 2, ( "<= calc finished" ) ); -} - -static void ssl_calc_finished_tls( - ssl_context *ssl, unsigned char *buf, int from ) -{ - int len = 12; - char *sender; - md5_context md5; - sha1_context sha1; - unsigned char padbuf[36]; - - SSL_DEBUG_MSG( 2, ( "=> calc finished tls" ) ); - - memcpy( &md5 , (md5_context *) ssl->ctx_checksum, sizeof(md5_context) ); - memcpy( &sha1, (sha1_context *) ( ssl->ctx_checksum + sizeof(md5_context) ), - sizeof( sha1_context ) ); - - /* - * TLSv1: - * hash = PRF( master, finished_label, - * MD5( handshake ) + SHA1( handshake ) )[0..11] - */ - - SSL_DEBUG_BUF( 4, "finished md5 state", (unsigned char *) - md5.state, sizeof( md5.state ) ); - - SSL_DEBUG_BUF( 4, "finished sha1 state", (unsigned char *) - sha1.state, sizeof( sha1.state ) ); - - sender = ( from == SSL_IS_CLIENT ) - ? (char *) "client finished" - : (char *) "server finished"; - - md5_finish( &md5, padbuf ); - sha1_finish( &sha1, padbuf + 16 ); - - ssl->tls_prf( ssl->session->master, 48, sender, - padbuf, 36, buf, len ); - - SSL_DEBUG_BUF( 3, "calc finished result", buf, len ); - - memset( &md5, 0, sizeof( md5_context ) ); - memset( &sha1, 0, sizeof( sha1_context ) ); - - memset( padbuf, 0, sizeof( padbuf ) ); - - SSL_DEBUG_MSG( 2, ( "<= calc finished" ) ); -} - -static void ssl_calc_finished_tls_sha256( - ssl_context *ssl, unsigned char *buf, int from ) -{ - int len = 12; - char *sender; - sha2_context sha2; - unsigned char padbuf[32]; - - SSL_DEBUG_MSG( 2, ( "=> calc finished tls sha256" ) ); - - memcpy( &sha2 , (sha2_context *) ssl->ctx_checksum, sizeof(sha2_context) ); - - /* - * TLSv1.2: - * hash = PRF( master, finished_label, - * Hash( handshake ) )[0.11] - */ - - SSL_DEBUG_BUF( 4, "finished sha2 state", (unsigned char *) - sha2.state, sizeof( sha2.state ) ); - - sender = ( from == SSL_IS_CLIENT ) - ? (char *) "client finished" - : (char *) "server finished"; - - sha2_finish( &sha2, padbuf ); - - ssl->tls_prf( ssl->session->master, 48, sender, - padbuf, 32, buf, len ); - - SSL_DEBUG_BUF( 3, "calc finished result", buf, len ); - - memset( &sha2, 0, sizeof( sha2_context ) ); - - memset( padbuf, 0, sizeof( padbuf ) ); - - SSL_DEBUG_MSG( 2, ( "<= calc finished" ) ); -} - -static void ssl_calc_finished_tls_sha384( - ssl_context *ssl, unsigned char *buf, int from ) -{ - int len = 12; - char *sender; - sha4_context sha4; - unsigned char padbuf[48]; - - SSL_DEBUG_MSG( 2, ( "=> calc finished tls sha384" ) ); - - memcpy( &sha4 , (sha4_context *) ssl->ctx_checksum, sizeof(sha4_context) ); - - /* - * TLSv1.2: - * hash = PRF( master, finished_label, - * Hash( handshake ) )[0.11] - */ - - SSL_DEBUG_BUF( 4, "finished sha4 state", (unsigned char *) - sha4.state, sizeof( sha4.state ) ); - - sender = ( from == SSL_IS_CLIENT ) - ? (char *) "client finished" - : (char *) "server finished"; - - sha4_finish( &sha4, padbuf ); - - ssl->tls_prf( ssl->session->master, 48, sender, - padbuf, 48, buf, len ); - - SSL_DEBUG_BUF( 3, "calc finished result", buf, len ); - - memset( &sha4, 0, sizeof( sha4_context ) ); - - memset( padbuf, 0, sizeof( padbuf ) ); - - SSL_DEBUG_MSG( 2, ( "<= calc finished" ) ); -} - -int ssl_write_finished( ssl_context *ssl ) -{ - int ret, hash_len; - - SSL_DEBUG_MSG( 2, ( "=> write finished" ) ); - - ssl->calc_finished( ssl, ssl->out_msg + 4, ssl->endpoint ); - - // TODO TLS/1.2 Hash length is determined by cipher suite (Page 63) - hash_len = ( ssl->minor_ver == SSL_MINOR_VERSION_0 ) ? 36 : 12; - - ssl->out_msglen = 4 + hash_len; - ssl->out_msgtype = SSL_MSG_HANDSHAKE; - ssl->out_msg[0] = SSL_HS_FINISHED; - - /* - * In case of session resuming, invert the client and server - * ChangeCipherSpec messages order. - */ - if( ssl->resume != 0 ) - { - if( ssl->endpoint == SSL_IS_CLIENT ) - ssl->state = SSL_HANDSHAKE_OVER; - else - ssl->state = SSL_CLIENT_CHANGE_CIPHER_SPEC; - } - else - ssl->state++; - - ssl->do_crypt = 1; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - - SSL_DEBUG_MSG( 2, ( "<= write finished" ) ); - - return( 0 ); -} - -int ssl_parse_finished( ssl_context *ssl ) -{ - int ret; - unsigned int hash_len; - unsigned char buf[36]; - - SSL_DEBUG_MSG( 2, ( "=> parse finished" ) ); - - ssl->calc_finished( ssl, buf, ssl->endpoint ^ 1 ); - - ssl->do_crypt = 1; - - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msgtype != SSL_MSG_HANDSHAKE ) - { - SSL_DEBUG_MSG( 1, ( "bad finished message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - - // TODO TLS/1.2 Hash length is determined by cipher suite (Page 63) - hash_len = ( ssl->minor_ver == SSL_MINOR_VERSION_0 ) ? 36 : 12; - - if( ssl->in_msg[0] != SSL_HS_FINISHED || - ssl->in_hslen != 4 + hash_len ) - { - SSL_DEBUG_MSG( 1, ( "bad finished message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_FINISHED ); - } - - if( memcmp( ssl->in_msg + 4, buf, hash_len ) != 0 ) - { - SSL_DEBUG_MSG( 1, ( "bad finished message" ) ); - return( POLARSSL_ERR_SSL_BAD_HS_FINISHED ); - } - - if( ssl->resume != 0 ) - { - if( ssl->endpoint == SSL_IS_CLIENT ) - ssl->state = SSL_CLIENT_CHANGE_CIPHER_SPEC; - - if( ssl->endpoint == SSL_IS_SERVER ) - ssl->state = SSL_HANDSHAKE_OVER; - } - else - ssl->state++; - - SSL_DEBUG_MSG( 2, ( "<= parse finished" ) ); - - return( 0 ); -} - -/* - * Initialize an SSL context - */ -int ssl_init( ssl_context *ssl ) -{ - int len = SSL_BUFFER_LEN; - - memset( ssl, 0, sizeof( ssl_context ) ); - - ssl->in_ctr = (unsigned char *) malloc( len ); - ssl->in_hdr = ssl->in_ctr + 8; - ssl->in_msg = ssl->in_ctr + 13; - - if( ssl->in_ctr == NULL ) - { - SSL_DEBUG_MSG( 1, ( "malloc(%d bytes) failed", len ) ); - return( POLARSSL_ERR_SSL_MALLOC_FAILED ); - } - - ssl->out_ctr = (unsigned char *) malloc( len ); - ssl->out_hdr = ssl->out_ctr + 8; - ssl->out_msg = ssl->out_ctr + 13; - - if( ssl->out_ctr == NULL ) - { - SSL_DEBUG_MSG( 1, ( "malloc(%d bytes) failed", len ) ); - free( ssl-> in_ctr ); - return( POLARSSL_ERR_SSL_MALLOC_FAILED ); - } - - memset( ssl-> in_ctr, 0, SSL_BUFFER_LEN ); - memset( ssl->out_ctr, 0, SSL_BUFFER_LEN ); - - ssl->hostname = NULL; - ssl->hostname_len = 0; - - ssl->update_checksum = ssl_update_checksum_start; - - return( 0 ); -} - -/* - * Reset an initialized and used SSL context for re-use while retaining - * all application-set variables, function pointers and data. - */ -void ssl_session_reset( ssl_context *ssl ) -{ - ssl->state = SSL_HELLO_REQUEST; - - ssl->in_offt = NULL; - - ssl->in_msgtype = 0; - ssl->in_msglen = 0; - ssl->in_left = 0; - - ssl->in_hslen = 0; - ssl->nb_zero = 0; - - ssl->out_msgtype = 0; - ssl->out_msglen = 0; - ssl->out_left = 0; - - ssl->do_crypt = 0; - ssl->pmslen = 0; - ssl->keylen = 0; - ssl->minlen = 0; - ssl->ivlen = 0; - ssl->maclen = 0; - - memset( ssl->out_ctr, 0, SSL_BUFFER_LEN ); - memset( ssl->in_ctr, 0, SSL_BUFFER_LEN ); - memset( ssl->randbytes, 0, 64 ); - memset( ssl->premaster, 0, 256 ); - memset( ssl->iv_enc, 0, 16 ); - memset( ssl->iv_dec, 0, 16 ); - memset( ssl->mac_enc, 0, 32 ); - memset( ssl->mac_dec, 0, 32 ); - memset( ssl->ctx_enc, 0, 128 ); - memset( ssl->ctx_dec, 0, 128 ); - - ssl->update_checksum = ssl_update_checksum_start; -} - -/* - * SSL set accessors - */ -void ssl_set_endpoint( ssl_context *ssl, int endpoint ) -{ - ssl->endpoint = endpoint; -} - -void ssl_set_authmode( ssl_context *ssl, int authmode ) -{ - ssl->authmode = authmode; -} - -void ssl_set_verify( ssl_context *ssl, - int (*f_vrfy)(void *, x509_cert *, int, int), - void *p_vrfy ) -{ - ssl->f_vrfy = f_vrfy; - ssl->p_vrfy = p_vrfy; -} - -void ssl_set_rng( ssl_context *ssl, - int (*f_rng)(void *, unsigned char *, size_t), - void *p_rng ) -{ - ssl->f_rng = f_rng; - ssl->p_rng = p_rng; -} - -void ssl_set_dbg( ssl_context *ssl, - void (*f_dbg)(void *, int, const char *), - void *p_dbg ) -{ - ssl->f_dbg = f_dbg; - ssl->p_dbg = p_dbg; -} - -void ssl_set_bio( ssl_context *ssl, - int (*f_recv)(void *, unsigned char *, size_t), void *p_recv, - int (*f_send)(void *, const unsigned char *, size_t), void *p_send ) -{ - ssl->f_recv = f_recv; - ssl->f_send = f_send; - ssl->p_recv = p_recv; - ssl->p_send = p_send; -} - -void ssl_set_scb( ssl_context *ssl, - int (*s_get)(ssl_context *), - int (*s_set)(ssl_context *) ) -{ - ssl->s_get = s_get; - ssl->s_set = s_set; -} - -void ssl_set_session( ssl_context *ssl, int resume, int timeout, - ssl_session *session ) -{ - ssl->resume = resume; - ssl->timeout = timeout; - ssl->session = session; -} - -void ssl_set_ciphersuites( ssl_context *ssl, int *ciphersuites ) -{ - ssl->ciphersuites = ciphersuites; -} - -void ssl_set_ca_chain( ssl_context *ssl, x509_cert *ca_chain, - x509_crl *ca_crl, const char *peer_cn ) -{ - ssl->ca_chain = ca_chain; - ssl->ca_crl = ca_crl; - ssl->peer_cn = peer_cn; -} - -void ssl_set_own_cert( ssl_context *ssl, x509_cert *own_cert, - rsa_context *rsa_key ) -{ - ssl->own_cert = own_cert; - ssl->rsa_key = rsa_key; -} - -#if defined(POLARSSL_PKCS11_C) -void ssl_set_own_cert_pkcs11( ssl_context *ssl, x509_cert *own_cert, - pkcs11_context *pkcs11_key ) -{ - ssl->own_cert = own_cert; - ssl->pkcs11_key = pkcs11_key; -} -#endif - -int ssl_set_dh_param( ssl_context *ssl, const char *dhm_P, const char *dhm_G ) -{ - int ret; - - if( ( ret = mpi_read_string( &ssl->dhm_ctx.P, 16, dhm_P ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "mpi_read_string", ret ); - return( ret ); - } - - if( ( ret = mpi_read_string( &ssl->dhm_ctx.G, 16, dhm_G ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "mpi_read_string", ret ); - return( ret ); - } - - return( 0 ); -} - -int ssl_set_dh_param_ctx( ssl_context *ssl, dhm_context *dhm_ctx ) -{ - int ret; - - if( ( ret = mpi_copy(&ssl->dhm_ctx.P, &dhm_ctx->P) ) != 0 ) - { - SSL_DEBUG_RET( 1, "mpi_copy", ret ); - return( ret ); - } - - if( ( ret = mpi_copy(&ssl->dhm_ctx.G, &dhm_ctx->G) ) != 0 ) - { - SSL_DEBUG_RET( 1, "mpi_copy", ret ); - return( ret ); - } - - return( 0 ); -} - -int ssl_set_hostname( ssl_context *ssl, const char *hostname ) -{ - if( hostname == NULL ) - return( POLARSSL_ERR_SSL_BAD_INPUT_DATA ); - - ssl->hostname_len = strlen( hostname ); - ssl->hostname = (unsigned char *) malloc( ssl->hostname_len + 1 ); - - if( ssl->hostname == NULL ) - return( POLARSSL_ERR_SSL_MALLOC_FAILED ); - - memcpy( ssl->hostname, (unsigned char *) hostname, - ssl->hostname_len ); - - ssl->hostname[ssl->hostname_len] = '\0'; - - return( 0 ); -} - -void ssl_set_max_version( ssl_context *ssl, int major, int minor ) -{ - ssl->max_major_ver = major; - ssl->max_minor_ver = minor; -} - -/* - * SSL get accessors - */ -size_t ssl_get_bytes_avail( const ssl_context *ssl ) -{ - return( ssl->in_offt == NULL ? 0 : ssl->in_msglen ); -} - -int ssl_get_verify_result( const ssl_context *ssl ) -{ - return( ssl->verify_result ); -} - -const char *ssl_get_ciphersuite_name( const int ciphersuite_id ) -{ - switch( ciphersuite_id ) - { -#if defined(POLARSSL_ARC4_C) - case SSL_RSA_RC4_128_MD5: - return( "SSL-RSA-RC4-128-MD5" ); - - case SSL_RSA_RC4_128_SHA: - return( "SSL-RSA-RC4-128-SHA" ); -#endif - -#if defined(POLARSSL_DES_C) - case SSL_RSA_DES_168_SHA: - return( "SSL-RSA-DES-168-SHA" ); - - case SSL_EDH_RSA_DES_168_SHA: - return( "SSL-EDH-RSA-DES-168-SHA" ); -#endif - -#if defined(POLARSSL_AES_C) - case SSL_RSA_AES_128_SHA: - return( "SSL-RSA-AES-128-SHA" ); - - case SSL_EDH_RSA_AES_128_SHA: - return( "SSL-EDH-RSA-AES-128-SHA" ); - - case SSL_RSA_AES_256_SHA: - return( "SSL-RSA-AES-256-SHA" ); - - case SSL_EDH_RSA_AES_256_SHA: - return( "SSL-EDH-RSA-AES-256-SHA" ); - -#if defined(POLARSSL_SHA2_C) - case SSL_RSA_AES_128_SHA256: - return( "SSL-RSA-AES-128-SHA256" ); - - case SSL_EDH_RSA_AES_128_SHA256: - return( "SSL-EDH-RSA-AES-128-SHA256" ); - - case SSL_RSA_AES_256_SHA256: - return( "SSL-RSA-AES-256-SHA256" ); - - case SSL_EDH_RSA_AES_256_SHA256: - return( "SSL-EDH-RSA-AES-256-SHA256" ); -#endif - -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA2_C) - case SSL_RSA_AES_128_GCM_SHA256: - return( "SSL-RSA-AES-128-GCM-SHA256" ); - - case SSL_EDH_RSA_AES_128_GCM_SHA256: - return( "SSL-EDH-RSA-AES-128-GCM-SHA256" ); -#endif - -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA4_C) - case SSL_RSA_AES_256_GCM_SHA384: - return( "SSL-RSA-AES-256-GCM-SHA384" ); - - case SSL_EDH_RSA_AES_256_GCM_SHA384: - return( "SSL-EDH-RSA-AES-256-GCM-SHA384" ); -#endif -#endif /* POLARSSL_AES_C */ - -#if defined(POLARSSL_CAMELLIA_C) - case SSL_RSA_CAMELLIA_128_SHA: - return( "SSL-RSA-CAMELLIA-128-SHA" ); - - case SSL_EDH_RSA_CAMELLIA_128_SHA: - return( "SSL-EDH-RSA-CAMELLIA-128-SHA" ); - - case SSL_RSA_CAMELLIA_256_SHA: - return( "SSL-RSA-CAMELLIA-256-SHA" ); - - case SSL_EDH_RSA_CAMELLIA_256_SHA: - return( "SSL-EDH-RSA-CAMELLIA-256-SHA" ); - -#if defined(POLARSSL_SHA2_C) - case SSL_RSA_CAMELLIA_128_SHA256: - return( "SSL-RSA-CAMELLIA-128-SHA256" ); - - case SSL_EDH_RSA_CAMELLIA_128_SHA256: - return( "SSL-EDH-RSA-CAMELLIA-128-SHA256" ); - - case SSL_RSA_CAMELLIA_256_SHA256: - return( "SSL-RSA-CAMELLIA-256-SHA256" ); - - case SSL_EDH_RSA_CAMELLIA_256_SHA256: - return( "SSL-EDH-RSA-CAMELLIA-256-SHA256" ); -#endif -#endif - -#if defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - case SSL_RSA_NULL_MD5: - return( "SSL-RSA-NULL-MD5" ); - case SSL_RSA_NULL_SHA: - return( "SSL-RSA-NULL-SHA" ); - case SSL_RSA_NULL_SHA256: - return( "SSL-RSA-NULL-SHA256" ); -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - -#if defined(POLARSSL_DES_C) - case SSL_RSA_DES_SHA: - return( "SSL-RSA-DES-SHA" ); - case SSL_EDH_RSA_DES_SHA: - return( "SSL-EDH-RSA-DES-SHA" ); -#endif -#endif /* defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) */ - - default: - break; - } - - return( "unknown" ); -} - -int ssl_get_ciphersuite_id( const char *ciphersuite_name ) -{ -#if defined(POLARSSL_ARC4_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-RC4-128-MD5")) - return( SSL_RSA_RC4_128_MD5 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-RC4-128-SHA")) - return( SSL_RSA_RC4_128_SHA ); -#endif - -#if defined(POLARSSL_DES_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-DES-168-SHA")) - return( SSL_RSA_DES_168_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-DES-168-SHA")) - return( SSL_EDH_RSA_DES_168_SHA ); -#endif - -#if defined(POLARSSL_AES_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-AES-128-SHA")) - return( SSL_RSA_AES_128_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-AES-128-SHA")) - return( SSL_EDH_RSA_AES_128_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-AES-256-SHA")) - return( SSL_RSA_AES_256_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-AES-256-SHA")) - return( SSL_EDH_RSA_AES_256_SHA ); - -#if defined(POLARSSL_SHA2_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-AES-128-SHA256")) - return( SSL_RSA_AES_128_SHA256 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-AES-128-SHA256")) - return( SSL_EDH_RSA_AES_128_SHA256 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-AES-256-SHA256")) - return( SSL_RSA_AES_256_SHA256 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-AES-256-SHA256")) - return( SSL_EDH_RSA_AES_256_SHA256 ); -#endif - -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA2_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-AES-128-GCM-SHA256")) - return( SSL_RSA_AES_128_GCM_SHA256 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-AES-128-GCM-SHA256")) - return( SSL_EDH_RSA_AES_128_GCM_SHA256 ); -#endif - -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA2_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-AES-256-GCM-SHA384")) - return( SSL_RSA_AES_256_GCM_SHA384 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-AES-256-GCM-SHA384")) - return( SSL_EDH_RSA_AES_256_GCM_SHA384 ); -#endif -#endif - -#if defined(POLARSSL_CAMELLIA_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-CAMELLIA-128-SHA")) - return( SSL_RSA_CAMELLIA_128_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-CAMELLIA-128-SHA")) - return( SSL_EDH_RSA_CAMELLIA_128_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-CAMELLIA-256-SHA")) - return( SSL_RSA_CAMELLIA_256_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-CAMELLIA-256-SHA")) - return( SSL_EDH_RSA_CAMELLIA_256_SHA ); - -#if defined(POLARSSL_SHA2_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-CAMELLIA-128-SHA256")) - return( SSL_RSA_CAMELLIA_128_SHA256 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-CAMELLIA-128-SHA256")) - return( SSL_EDH_RSA_CAMELLIA_128_SHA256 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-CAMELLIA-256-SHA256")) - return( SSL_RSA_CAMELLIA_256_SHA256 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-CAMELLIA-256-SHA256")) - return( SSL_EDH_RSA_CAMELLIA_256_SHA256 ); -#endif -#endif - -#if defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) -#if defined(POLARSSL_CIPHER_NULL_CIPHER) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-NULL-MD5")) - return( SSL_RSA_NULL_MD5 ); - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-NULL-SHA")) - return( SSL_RSA_NULL_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-NULL-SHA256")) - return( SSL_RSA_NULL_SHA256 ); -#endif /* defined(POLARSSL_CIPHER_NULL_CIPHER) */ - -#if defined(POLARSSL_DES_C) - if (0 == strcasecmp(ciphersuite_name, "SSL-RSA-DES-SHA")) - return( SSL_RSA_DES_SHA ); - if (0 == strcasecmp(ciphersuite_name, "SSL-EDH-RSA-DES-SHA")) - return( SSL_EDH_RSA_DES_SHA ); -#endif -#endif /* defined(POLARSSL_ENABLE_WEAK_CIPHERSUITES) */ - - return( 0 ); -} - -const char *ssl_get_ciphersuite( const ssl_context *ssl ) -{ - return ssl_get_ciphersuite_name( ssl->session->ciphersuite ); -} - -const char *ssl_get_version( const ssl_context *ssl ) -{ - switch( ssl->minor_ver ) - { - case SSL_MINOR_VERSION_0: - return( "SSLv3.0" ); - - case SSL_MINOR_VERSION_1: - return( "TLSv1.0" ); - - case SSL_MINOR_VERSION_2: - return( "TLSv1.1" ); - - case SSL_MINOR_VERSION_3: - return( "TLSv1.2" ); - - default: - break; - } - return( "unknown" ); -} - -int ssl_default_ciphersuites[] = -{ -#if defined(POLARSSL_DHM_C) -#if defined(POLARSSL_AES_C) -#if defined(POLARSSL_SHA2_C) - SSL_EDH_RSA_AES_256_SHA256, -#endif /* POLARSSL_SHA2_C */ -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA4_C) - SSL_EDH_RSA_AES_256_GCM_SHA384, -#endif - SSL_EDH_RSA_AES_256_SHA, -#if defined(POLARSSL_SHA2_C) - SSL_EDH_RSA_AES_128_SHA256, -#endif -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA2_C) - SSL_EDH_RSA_AES_128_GCM_SHA256, -#endif - SSL_EDH_RSA_AES_128_SHA, -#endif -#if defined(POLARSSL_CAMELLIA_C) -#if defined(POLARSSL_SHA2_C) - SSL_EDH_RSA_CAMELLIA_256_SHA256, -#endif /* POLARSSL_SHA2_C */ - SSL_EDH_RSA_CAMELLIA_256_SHA, -#if defined(POLARSSL_SHA2_C) - SSL_EDH_RSA_CAMELLIA_128_SHA256, -#endif /* POLARSSL_SHA2_C */ - SSL_EDH_RSA_CAMELLIA_128_SHA, -#endif -#if defined(POLARSSL_DES_C) - SSL_EDH_RSA_DES_168_SHA, -#endif -#endif - -#if defined(POLARSSL_AES_C) -#if defined(POLARSSL_SHA2_C) - SSL_RSA_AES_256_SHA256, -#endif /* POLARSSL_SHA2_C */ -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA4_C) - SSL_RSA_AES_256_GCM_SHA384, -#endif /* POLARSSL_SHA2_C */ - SSL_RSA_AES_256_SHA, -#endif -#if defined(POLARSSL_CAMELLIA_C) -#if defined(POLARSSL_SHA2_C) - SSL_RSA_CAMELLIA_256_SHA256, -#endif /* POLARSSL_SHA2_C */ - SSL_RSA_CAMELLIA_256_SHA, -#endif -#if defined(POLARSSL_AES_C) -#if defined(POLARSSL_SHA2_C) - SSL_RSA_AES_128_SHA256, -#endif /* POLARSSL_SHA2_C */ -#if defined(POLARSSL_GCM_C) && defined(POLARSSL_SHA2_C) - SSL_RSA_AES_128_GCM_SHA256, -#endif /* POLARSSL_SHA2_C */ - SSL_RSA_AES_128_SHA, -#endif -#if defined(POLARSSL_CAMELLIA_C) -#if defined(POLARSSL_SHA2_C) - SSL_RSA_CAMELLIA_128_SHA256, -#endif /* POLARSSL_SHA2_C */ - SSL_RSA_CAMELLIA_128_SHA, -#endif -#if defined(POLARSSL_DES_C) - SSL_RSA_DES_168_SHA, -#endif -#if defined(POLARSSL_ARC4_C) - SSL_RSA_RC4_128_SHA, - SSL_RSA_RC4_128_MD5, -#endif - 0 -}; - -/* - * Perform the SSL handshake - */ -int ssl_handshake( ssl_context *ssl ) -{ - int ret = POLARSSL_ERR_SSL_FEATURE_UNAVAILABLE; - - SSL_DEBUG_MSG( 2, ( "=> handshake" ) ); - -#if defined(POLARSSL_SSL_CLI_C) - if( ssl->endpoint == SSL_IS_CLIENT ) - ret = ssl_handshake_client( ssl ); -#endif - -#if defined(POLARSSL_SSL_SRV_C) - if( ssl->endpoint == SSL_IS_SERVER ) - ret = ssl_handshake_server( ssl ); -#endif - - SSL_DEBUG_MSG( 2, ( "<= handshake" ) ); - - return( ret ); -} - -/* - * Receive application data decrypted from the SSL layer - */ -int ssl_read( ssl_context *ssl, unsigned char *buf, size_t len ) -{ - int ret; - size_t n; - - SSL_DEBUG_MSG( 2, ( "=> read" ) ); - - if( ssl->state != SSL_HANDSHAKE_OVER ) - { - if( ( ret = ssl_handshake( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_handshake", ret ); - return( ret ); - } - } - - if( ssl->in_offt == NULL ) - { - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - if( ret == POLARSSL_ERR_SSL_CONN_EOF ) - return( 0 ); - - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - - if( ssl->in_msglen == 0 && - ssl->in_msgtype == SSL_MSG_APPLICATION_DATA ) - { - /* - * OpenSSL sends empty messages to randomize the IV - */ - if( ( ret = ssl_read_record( ssl ) ) != 0 ) - { - if( ret == POLARSSL_ERR_SSL_CONN_EOF ) - return( 0 ); - - SSL_DEBUG_RET( 1, "ssl_read_record", ret ); - return( ret ); - } - } - - if( ssl->in_msgtype != SSL_MSG_APPLICATION_DATA ) - { - SSL_DEBUG_MSG( 1, ( "bad application data message" ) ); - return( POLARSSL_ERR_SSL_UNEXPECTED_MESSAGE ); - } - - ssl->in_offt = ssl->in_msg; - } - - n = ( len < ssl->in_msglen ) - ? len : ssl->in_msglen; - - memcpy( buf, ssl->in_offt, n ); - ssl->in_msglen -= n; - - if( ssl->in_msglen == 0 ) - /* all bytes consumed */ - ssl->in_offt = NULL; - else - /* more data available */ - ssl->in_offt += n; - - SSL_DEBUG_MSG( 2, ( "<= read" ) ); - - return( (int) n ); -} - -/* - * Send application data to be encrypted by the SSL layer - */ -int ssl_write( ssl_context *ssl, const unsigned char *buf, size_t len ) -{ - int ret; - size_t n; - - SSL_DEBUG_MSG( 2, ( "=> write" ) ); - - if( ssl->state != SSL_HANDSHAKE_OVER ) - { - if( ( ret = ssl_handshake( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_handshake", ret ); - return( ret ); - } - } - - n = ( len < SSL_MAX_CONTENT_LEN ) - ? len : SSL_MAX_CONTENT_LEN; - - if( ssl->out_left != 0 ) - { - if( ( ret = ssl_flush_output( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_flush_output", ret ); - return( ret ); - } - } - else - { - ssl->out_msglen = n; - ssl->out_msgtype = SSL_MSG_APPLICATION_DATA; - memcpy( ssl->out_msg, buf, n ); - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - } - - SSL_DEBUG_MSG( 2, ( "<= write" ) ); - - return( (int) n ); -} - -/* - * Notify the peer that the connection is being closed - */ -int ssl_close_notify( ssl_context *ssl ) -{ - int ret; - - SSL_DEBUG_MSG( 2, ( "=> write close notify" ) ); - - if( ( ret = ssl_flush_output( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_flush_output", ret ); - return( ret ); - } - - if( ssl->state == SSL_HANDSHAKE_OVER ) - { - ssl->out_msgtype = SSL_MSG_ALERT; - ssl->out_msglen = 2; - ssl->out_msg[0] = SSL_ALERT_LEVEL_WARNING; - ssl->out_msg[1] = SSL_ALERT_MSG_CLOSE_NOTIFY; - - if( ( ret = ssl_write_record( ssl ) ) != 0 ) - { - SSL_DEBUG_RET( 1, "ssl_write_record", ret ); - return( ret ); - } - } - - SSL_DEBUG_MSG( 2, ( "<= write close notify" ) ); - - return( ret ); -} - -/* - * Free an SSL context - */ -void ssl_free( ssl_context *ssl ) -{ - SSL_DEBUG_MSG( 2, ( "=> free" ) ); - - if( ssl->peer_cert != NULL ) - { - x509_free( ssl->peer_cert ); - memset( ssl->peer_cert, 0, sizeof( x509_cert ) ); - free( ssl->peer_cert ); - } - - if( ssl->out_ctr != NULL ) - { - memset( ssl->out_ctr, 0, SSL_BUFFER_LEN ); - free( ssl->out_ctr ); - } - - if( ssl->in_ctr != NULL ) - { - memset( ssl->in_ctr, 0, SSL_BUFFER_LEN ); - free( ssl->in_ctr ); - } - -#if defined(POLARSSL_DHM_C) - dhm_free( &ssl->dhm_ctx ); -#endif - - if ( ssl->hostname != NULL) - { - memset( ssl->hostname, 0, ssl->hostname_len ); - free( ssl->hostname ); - ssl->hostname_len = 0; - } - - SSL_DEBUG_MSG( 2, ( "<= free" ) ); - - /* Actually free after last debug message */ - memset( ssl, 0, sizeof( ssl_context ) ); -} - -#endif diff --git a/polarssl/src/library/timing.c b/polarssl/src/library/timing.c deleted file mode 100644 index 523dbe1..0000000 --- a/polarssl/src/library/timing.c +++ /dev/null @@ -1,271 +0,0 @@ -/* - * Portable interface to the CPU cycle counter - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_TIMING_C) - -#include "polarssl/timing.h" - -#if defined(_WIN32) - -#include <windows.h> -#include <winbase.h> - -struct _hr_time -{ - LARGE_INTEGER start; -}; - -#else - -#include <unistd.h> -#include <sys/types.h> -#include <sys/time.h> -#include <signal.h> -#include <time.h> - -struct _hr_time -{ - struct timeval start; -}; - -#endif - -#if defined(POLARSSL_HAVE_ASM) && \ - (defined(_MSC_VER) && defined(_M_IX86)) || defined(__WATCOMC__) - -unsigned long hardclock( void ) -{ - unsigned long tsc; - __asm rdtsc - __asm mov [tsc], eax - return( tsc ); -} - -#else -#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__i386__) - -unsigned long hardclock( void ) -{ - unsigned long lo, hi; - asm( "rdtsc" : "=a" (lo), "=d" (hi) ); - return( lo ); -} - -#else -#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && \ - (defined(__amd64__) || defined(__x86_64__)) - -unsigned long hardclock( void ) -{ - unsigned long lo, hi; - asm( "rdtsc" : "=a" (lo), "=d" (hi) ); - return( lo | (hi << 32) ); -} - -#else -#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && \ - (defined(__powerpc__) || defined(__ppc__)) - -unsigned long hardclock( void ) -{ - unsigned long tbl, tbu0, tbu1; - - do - { - asm( "mftbu %0" : "=r" (tbu0) ); - asm( "mftb %0" : "=r" (tbl ) ); - asm( "mftbu %0" : "=r" (tbu1) ); - } - while( tbu0 != tbu1 ); - - return( tbl ); -} - -#else -#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__sparc__) - -unsigned long hardclock( void ) -{ - unsigned long tick; - asm( ".byte 0x83, 0x41, 0x00, 0x00" ); - asm( "mov %%g1, %0" : "=r" (tick) ); - return( tick ); -} - -#else -#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__alpha__) - -unsigned long hardclock( void ) -{ - unsigned long cc; - asm( "rpcc %0" : "=r" (cc) ); - return( cc & 0xFFFFFFFF ); -} - -#else -#if defined(POLARSSL_HAVE_ASM) && defined(__GNUC__) && defined(__ia64__) - -unsigned long hardclock( void ) -{ - unsigned long itc; - asm( "mov %0 = ar.itc" : "=r" (itc) ); - return( itc ); -} - -#else -#if defined(_MSC_VER) - -unsigned long hardclock( void ) -{ - LARGE_INTEGER offset; - - QueryPerformanceCounter( &offset ); - - return (unsigned long)( offset.QuadPart ); -} - -#else - -static int hardclock_init = 0; -static struct timeval tv_init; - -unsigned long hardclock( void ) -{ - struct timeval tv_cur; - - if( hardclock_init == 0 ) - { - gettimeofday( &tv_init, NULL ); - hardclock_init = 1; - } - - gettimeofday( &tv_cur, NULL ); - return( ( tv_cur.tv_sec - tv_init.tv_sec ) * 1000000 - + ( tv_cur.tv_usec - tv_init.tv_usec ) ); -} - -#endif /* generic */ -#endif /* WIN32 */ -#endif /* IA-64 */ -#endif /* Alpha */ -#endif /* SPARC8 */ -#endif /* PowerPC */ -#endif /* AMD64 */ -#endif /* i586+ */ - -volatile int alarmed = 0; - -#if defined(_WIN32) - -unsigned long get_timer( struct hr_time *val, int reset ) -{ - unsigned long delta; - LARGE_INTEGER offset, hfreq; - struct _hr_time *t = (struct _hr_time *) val; - - QueryPerformanceCounter( &offset ); - QueryPerformanceFrequency( &hfreq ); - - delta = (unsigned long)( ( 1000 * - ( offset.QuadPart - t->start.QuadPart ) ) / - hfreq.QuadPart ); - - if( reset ) - QueryPerformanceCounter( &t->start ); - - return( delta ); -} - -DWORD WINAPI TimerProc( LPVOID uElapse ) -{ - Sleep( (DWORD) uElapse ); - alarmed = 1; - return( TRUE ); -} - -void set_alarm( int seconds ) -{ - DWORD ThreadId; - - alarmed = 0; - CloseHandle( CreateThread( NULL, 0, TimerProc, - (LPVOID) ( seconds * 1000 ), 0, &ThreadId ) ); -} - -void m_sleep( int milliseconds ) -{ - Sleep( milliseconds ); -} - -#else - -unsigned long get_timer( struct hr_time *val, int reset ) -{ - unsigned long delta; - struct timeval offset; - struct _hr_time *t = (struct _hr_time *) val; - - gettimeofday( &offset, NULL ); - - delta = ( offset.tv_sec - t->start.tv_sec ) * 1000 - + ( offset.tv_usec - t->start.tv_usec ) / 1000; - - if( reset ) - { - t->start.tv_sec = offset.tv_sec; - t->start.tv_usec = offset.tv_usec; - } - - return( delta ); -} - -static void sighandler( int signum ) -{ - alarmed = 1; - signal( signum, sighandler ); -} - -void set_alarm( int seconds ) -{ - alarmed = 0; - signal( SIGALRM, sighandler ); - alarm( seconds ); -} - -void m_sleep( int milliseconds ) -{ - struct timeval tv; - - tv.tv_sec = milliseconds / 1000; - tv.tv_usec = milliseconds * 1000; - - select( 0, NULL, NULL, NULL, &tv ); -} - -#endif - -#endif diff --git a/polarssl/src/library/version.c b/polarssl/src/library/version.c deleted file mode 100644 index c1080b7..0000000 --- a/polarssl/src/library/version.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * Version information - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_VERSION_C) - -#include "polarssl/version.h" -#include <string.h> - -const char version[] = POLARSSL_VERSION_STRING; - -unsigned int version_get_number() -{ - return POLARSSL_VERSION_NUMBER; -} - -void version_get_string( char *string ) -{ - memcpy( string, POLARSSL_VERSION_STRING, sizeof( POLARSSL_VERSION_STRING ) ); -} - -void version_get_string_full( char *string ) -{ - memcpy( string, POLARSSL_VERSION_STRING_FULL, sizeof( POLARSSL_VERSION_STRING_FULL ) ); -} - -#endif /* POLARSSL_VERSION_C */ diff --git a/polarssl/src/library/x509parse.c b/polarssl/src/library/x509parse.c deleted file mode 100644 index 9d01a65..0000000 --- a/polarssl/src/library/x509parse.c +++ /dev/null @@ -1,3425 +0,0 @@ -/* - * X.509 certificate and private key decoding - * - * Copyright (C) 2006-2011, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ -/* - * The ITU-T X.509 standard defines a certificate format for PKI. - * - * http://www.ietf.org/rfc/rfc3279.txt - * http://www.ietf.org/rfc/rfc3280.txt - * - * ftp://ftp.rsasecurity.com/pub/pkcs/ascii/pkcs-1v2.asc - * - * http://www.itu.int/ITU-T/studygroups/com17/languages/X.680-0207.pdf - * http://www.itu.int/ITU-T/studygroups/com17/languages/X.690-0207.pdf - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_X509_PARSE_C) - -#include "polarssl/x509.h" -#include "polarssl/asn1.h" -#include "polarssl/pem.h" -#include "polarssl/des.h" -#include "polarssl/md2.h" -#include "polarssl/md4.h" -#include "polarssl/md5.h" -#include "polarssl/sha1.h" -#include "polarssl/sha2.h" -#include "polarssl/sha4.h" -#include "polarssl/dhm.h" - -#include <string.h> -#include <stdlib.h> -#if defined(_WIN32) -#include <windows.h> -#else -#include <time.h> -#endif - -#if defined(POLARSSL_FS_IO) -#include <stdio.h> -#endif - -/* - * Version ::= INTEGER { v1(0), v2(1), v3(2) } - */ -static int x509_get_version( unsigned char **p, - const unsigned char *end, - int *ver ) -{ - int ret; - size_t len; - - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTED | 0 ) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - { - *ver = 0; - return( 0 ); - } - - return( ret ); - } - - end = *p + len; - - if( ( ret = asn1_get_int( p, end, ver ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_VERSION + ret ); - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_VERSION + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -/* - * Version ::= INTEGER { v1(0), v2(1) } - */ -static int x509_crl_get_version( unsigned char **p, - const unsigned char *end, - int *ver ) -{ - int ret; - - if( ( ret = asn1_get_int( p, end, ver ) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - { - *ver = 0; - return( 0 ); - } - - return( POLARSSL_ERR_X509_CERT_INVALID_VERSION + ret ); - } - - return( 0 ); -} - -/* - * CertificateSerialNumber ::= INTEGER - */ -static int x509_get_serial( unsigned char **p, - const unsigned char *end, - x509_buf *serial ) -{ - int ret; - - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_SERIAL + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - if( **p != ( ASN1_CONTEXT_SPECIFIC | ASN1_PRIMITIVE | 2 ) && - **p != ASN1_INTEGER ) - return( POLARSSL_ERR_X509_CERT_INVALID_SERIAL + - POLARSSL_ERR_ASN1_UNEXPECTED_TAG ); - - serial->tag = *(*p)++; - - if( ( ret = asn1_get_len( p, end, &serial->len ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_SERIAL + ret ); - - serial->p = *p; - *p += serial->len; - - return( 0 ); -} - -/* - * AlgorithmIdentifier ::= SEQUENCE { - * algorithm OBJECT IDENTIFIER, - * parameters ANY DEFINED BY algorithm OPTIONAL } - */ -static int x509_get_alg( unsigned char **p, - const unsigned char *end, - x509_buf *alg ) -{ - int ret; - size_t len; - - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_ALG + ret ); - - end = *p + len; - alg->tag = **p; - - if( ( ret = asn1_get_tag( p, end, &alg->len, ASN1_OID ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_ALG + ret ); - - alg->p = *p; - *p += alg->len; - - if( *p == end ) - return( 0 ); - - /* - * assume the algorithm parameters must be NULL - */ - if( ( ret = asn1_get_tag( p, end, &len, ASN1_NULL ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_ALG + ret ); - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_ALG + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -/* - * AttributeTypeAndValue ::= SEQUENCE { - * type AttributeType, - * value AttributeValue } - * - * AttributeType ::= OBJECT IDENTIFIER - * - * AttributeValue ::= ANY DEFINED BY AttributeType - */ -static int x509_get_attr_type_value( unsigned char **p, - const unsigned char *end, - x509_name *cur ) -{ - int ret; - size_t len; - x509_buf *oid; - x509_buf *val; - - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_NAME + ret ); - - oid = &cur->oid; - oid->tag = **p; - - if( ( ret = asn1_get_tag( p, end, &oid->len, ASN1_OID ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_NAME + ret ); - - oid->p = *p; - *p += oid->len; - - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_NAME + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - if( **p != ASN1_BMP_STRING && **p != ASN1_UTF8_STRING && - **p != ASN1_T61_STRING && **p != ASN1_PRINTABLE_STRING && - **p != ASN1_IA5_STRING && **p != ASN1_UNIVERSAL_STRING ) - return( POLARSSL_ERR_X509_CERT_INVALID_NAME + - POLARSSL_ERR_ASN1_UNEXPECTED_TAG ); - - val = &cur->val; - val->tag = *(*p)++; - - if( ( ret = asn1_get_len( p, end, &val->len ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_NAME + ret ); - - val->p = *p; - *p += val->len; - - cur->next = NULL; - - return( 0 ); -} - -/* - * RelativeDistinguishedName ::= - * SET OF AttributeTypeAndValue - * - * AttributeTypeAndValue ::= SEQUENCE { - * type AttributeType, - * value AttributeValue } - * - * AttributeType ::= OBJECT IDENTIFIER - * - * AttributeValue ::= ANY DEFINED BY AttributeType - */ -static int x509_get_name( unsigned char **p, - const unsigned char *end, - x509_name *cur ) -{ - int ret; - size_t len; - const unsigned char *end2; - x509_name *use; - - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SET ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_NAME + ret ); - - end2 = end; - end = *p + len; - use = cur; - - do - { - if( ( ret = x509_get_attr_type_value( p, end, use ) ) != 0 ) - return( ret ); - - if( *p != end ) - { - use->next = (x509_name *) malloc( - sizeof( x509_name ) ); - - if( use->next == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - memset( use->next, 0, sizeof( x509_name ) ); - - use = use->next; - } - } - while( *p != end ); - - /* - * recurse until end of SEQUENCE is reached - */ - if( *p == end2 ) - return( 0 ); - - cur->next = (x509_name *) malloc( - sizeof( x509_name ) ); - - if( cur->next == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - return( x509_get_name( p, end2, cur->next ) ); -} - -/* - * Time ::= CHOICE { - * utcTime UTCTime, - * generalTime GeneralizedTime } - */ -static int x509_get_time( unsigned char **p, - const unsigned char *end, - x509_time *time ) -{ - int ret; - size_t len; - char date[64]; - unsigned char tag; - - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_DATE + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - tag = **p; - - if ( tag == ASN1_UTC_TIME ) - { - (*p)++; - ret = asn1_get_len( p, end, &len ); - - if( ret != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_DATE + ret ); - - memset( date, 0, sizeof( date ) ); - memcpy( date, *p, ( len < sizeof( date ) - 1 ) ? - len : sizeof( date ) - 1 ); - - if( sscanf( date, "%2d%2d%2d%2d%2d%2d", - &time->year, &time->mon, &time->day, - &time->hour, &time->min, &time->sec ) < 5 ) - return( POLARSSL_ERR_X509_CERT_INVALID_DATE ); - - time->year += 100 * ( time->year < 50 ); - time->year += 1900; - - *p += len; - - return( 0 ); - } - else if ( tag == ASN1_GENERALIZED_TIME ) - { - (*p)++; - ret = asn1_get_len( p, end, &len ); - - if( ret != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_DATE + ret ); - - memset( date, 0, sizeof( date ) ); - memcpy( date, *p, ( len < sizeof( date ) - 1 ) ? - len : sizeof( date ) - 1 ); - - if( sscanf( date, "%4d%2d%2d%2d%2d%2d", - &time->year, &time->mon, &time->day, - &time->hour, &time->min, &time->sec ) < 5 ) - return( POLARSSL_ERR_X509_CERT_INVALID_DATE ); - - *p += len; - - return( 0 ); - } - else - return( POLARSSL_ERR_X509_CERT_INVALID_DATE + POLARSSL_ERR_ASN1_UNEXPECTED_TAG ); -} - - -/* - * Validity ::= SEQUENCE { - * notBefore Time, - * notAfter Time } - */ -static int x509_get_dates( unsigned char **p, - const unsigned char *end, - x509_time *from, - x509_time *to ) -{ - int ret; - size_t len; - - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_DATE + ret ); - - end = *p + len; - - if( ( ret = x509_get_time( p, end, from ) ) != 0 ) - return( ret ); - - if( ( ret = x509_get_time( p, end, to ) ) != 0 ) - return( ret ); - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_DATE + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -/* - * SubjectPublicKeyInfo ::= SEQUENCE { - * algorithm AlgorithmIdentifier, - * subjectPublicKey BIT STRING } - */ -static int x509_get_pubkey( unsigned char **p, - const unsigned char *end, - x509_buf *pk_alg_oid, - mpi *N, mpi *E ) -{ - int ret, can_handle; - size_t len; - unsigned char *end2; - - if( ( ret = x509_get_alg( p, end, pk_alg_oid ) ) != 0 ) - return( ret ); - - /* - * only RSA public keys handled at this time - */ - can_handle = 0; - - if( pk_alg_oid->len == 9 && - memcmp( pk_alg_oid->p, OID_PKCS1_RSA, 9 ) == 0 ) - can_handle = 1; - - if( pk_alg_oid->len == 9 && - memcmp( pk_alg_oid->p, OID_PKCS1, 8 ) == 0 ) - { - if( pk_alg_oid->p[8] >= 2 && pk_alg_oid->p[8] <= 5 ) - can_handle = 1; - - if ( pk_alg_oid->p[8] >= 11 && pk_alg_oid->p[8] <= 14 ) - can_handle = 1; - } - - if( pk_alg_oid->len == 5 && - memcmp( pk_alg_oid->p, OID_RSA_SHA_OBS, 5 ) == 0 ) - can_handle = 1; - - if( can_handle == 0 ) - return( POLARSSL_ERR_X509_UNKNOWN_PK_ALG ); - - if( ( ret = asn1_get_tag( p, end, &len, ASN1_BIT_STRING ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY + ret ); - - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - end2 = *p + len; - - if( *(*p)++ != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY ); - - /* - * RSAPublicKey ::= SEQUENCE { - * modulus INTEGER, -- n - * publicExponent INTEGER -- e - * } - */ - if( ( ret = asn1_get_tag( p, end2, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY + ret ); - - if( *p + len != end2 ) - return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - if( ( ret = asn1_get_mpi( p, end2, N ) ) != 0 || - ( ret = asn1_get_mpi( p, end2, E ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY + ret ); - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_PUBKEY + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -static int x509_get_sig( unsigned char **p, - const unsigned char *end, - x509_buf *sig ) -{ - int ret; - size_t len; - - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_SIGNATURE + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - sig->tag = **p; - - if( ( ret = asn1_get_tag( p, end, &len, ASN1_BIT_STRING ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_SIGNATURE + ret ); - - - if( --len < 1 || *(*p)++ != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_SIGNATURE ); - - sig->len = len; - sig->p = *p; - - *p += len; - - return( 0 ); -} - -/* - * X.509 v2/v3 unique identifier (not parsed) - */ -static int x509_get_uid( unsigned char **p, - const unsigned char *end, - x509_buf *uid, int n ) -{ - int ret; - - if( *p == end ) - return( 0 ); - - uid->tag = **p; - - if( ( ret = asn1_get_tag( p, end, &uid->len, - ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTED | n ) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - return( 0 ); - - return( ret ); - } - - uid->p = *p; - *p += uid->len; - - return( 0 ); -} - -/* - * X.509 Extensions (No parsing of extensions, pointer should - * be either manually updated or extensions should be parsed! - */ -static int x509_get_ext( unsigned char **p, - const unsigned char *end, - x509_buf *ext, int tag ) -{ - int ret; - size_t len; - - if( *p == end ) - return( 0 ); - - ext->tag = **p; - - if( ( ret = asn1_get_tag( p, end, &ext->len, - ASN1_CONTEXT_SPECIFIC | ASN1_CONSTRUCTED | tag ) ) != 0 ) - return( ret ); - - ext->p = *p; - end = *p + ext->len; - - /* - * Extensions ::= SEQUENCE SIZE (1..MAX) OF Extension - * - * Extension ::= SEQUENCE { - * extnID OBJECT IDENTIFIER, - * critical BOOLEAN DEFAULT FALSE, - * extnValue OCTET STRING } - */ - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( end != *p + len ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -/* - * X.509 CRL v2 extensions (no extensions parsed yet.) - */ -static int x509_get_crl_ext( unsigned char **p, - const unsigned char *end, - x509_buf *ext ) -{ - int ret; - size_t len = 0; - - /* Get explicit tag */ - if( ( ret = x509_get_ext( p, end, ext, 0) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - return( 0 ); - - return( ret ); - } - - while( *p < end ) - { - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - *p += len; - } - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -/* - * X.509 CRL v2 entry extensions (no extensions parsed yet.) - */ -static int x509_get_crl_entry_ext( unsigned char **p, - const unsigned char *end, - x509_buf *ext ) -{ - int ret; - size_t len = 0; - - /* OPTIONAL */ - if (end <= *p) - return( 0 ); - - ext->tag = **p; - ext->p = *p; - - /* - * Get CRL-entry extension sequence header - * crlEntryExtensions Extensions OPTIONAL -- if present, MUST be v2 - */ - if( ( ret = asn1_get_tag( p, end, &ext->len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - { - ext->p = NULL; - return( 0 ); - } - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - } - - end = *p + ext->len; - - if( end != *p + ext->len ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - while( *p < end ) - { - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - *p += len; - } - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -static int x509_get_basic_constraints( unsigned char **p, - const unsigned char *end, - int *ca_istrue, - int *max_pathlen ) -{ - int ret; - size_t len; - - /* - * BasicConstraints ::= SEQUENCE { - * cA BOOLEAN DEFAULT FALSE, - * pathLenConstraint INTEGER (0..MAX) OPTIONAL } - */ - *ca_istrue = 0; /* DEFAULT FALSE */ - *max_pathlen = 0; /* endless */ - - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( *p == end ) - return 0; - - if( ( ret = asn1_get_bool( p, end, ca_istrue ) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - ret = asn1_get_int( p, end, ca_istrue ); - - if( ret != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( *ca_istrue != 0 ) - *ca_istrue = 1; - } - - if( *p == end ) - return 0; - - if( ( ret = asn1_get_int( p, end, max_pathlen ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - (*max_pathlen)++; - - return 0; -} - -static int x509_get_ns_cert_type( unsigned char **p, - const unsigned char *end, - unsigned char *ns_cert_type) -{ - int ret; - x509_bitstring bs = { 0, 0, NULL }; - - if( ( ret = asn1_get_bitstring( p, end, &bs ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( bs.len != 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_INVALID_LENGTH ); - - /* Get actual bitstring */ - *ns_cert_type = *bs.p; - return 0; -} - -static int x509_get_key_usage( unsigned char **p, - const unsigned char *end, - unsigned char *key_usage) -{ - int ret; - x509_bitstring bs = { 0, 0, NULL }; - - if( ( ret = asn1_get_bitstring( p, end, &bs ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( bs.len > 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_INVALID_LENGTH ); - - /* Get actual bitstring */ - *key_usage = *bs.p; - return 0; -} - -/* - * ExtKeyUsageSyntax ::= SEQUENCE SIZE (1..MAX) OF KeyPurposeId - * - * KeyPurposeId ::= OBJECT IDENTIFIER - */ -static int x509_get_ext_key_usage( unsigned char **p, - const unsigned char *end, - x509_sequence *ext_key_usage) -{ - int ret; - - if( ( ret = asn1_get_sequence_of( p, end, ext_key_usage, ASN1_OID ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - /* Sequence length must be >= 1 */ - if( ext_key_usage->buf.p == NULL ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_INVALID_LENGTH ); - - return 0; -} - -/* - * SubjectAltName ::= GeneralNames - * - * GeneralNames ::= SEQUENCE SIZE (1..MAX) OF GeneralName - * - * GeneralName ::= CHOICE { - * otherName [0] OtherName, - * rfc822Name [1] IA5String, - * dNSName [2] IA5String, - * x400Address [3] ORAddress, - * directoryName [4] Name, - * ediPartyName [5] EDIPartyName, - * uniformResourceIdentifier [6] IA5String, - * iPAddress [7] OCTET STRING, - * registeredID [8] OBJECT IDENTIFIER } - * - * OtherName ::= SEQUENCE { - * type-id OBJECT IDENTIFIER, - * value [0] EXPLICIT ANY DEFINED BY type-id } - * - * EDIPartyName ::= SEQUENCE { - * nameAssigner [0] DirectoryString OPTIONAL, - * partyName [1] DirectoryString } - * - * NOTE: PolarSSL only parses and uses dNSName at this point. - */ -static int x509_get_subject_alt_name( unsigned char **p, - const unsigned char *end, - x509_sequence *subject_alt_name ) -{ - int ret; - size_t len, tag_len; - asn1_buf *buf; - unsigned char tag; - asn1_sequence *cur = subject_alt_name; - - /* Get main sequence tag */ - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( *p + len != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - while( *p < end ) - { - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - tag = **p; - (*p)++; - if( ( ret = asn1_get_len( p, end, &tag_len ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - if( ( tag & ASN1_CONTEXT_SPECIFIC ) != ASN1_CONTEXT_SPECIFIC ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_UNEXPECTED_TAG ); - - if( tag != ( ASN1_CONTEXT_SPECIFIC | 2 ) ) - { - *p += tag_len; - continue; - } - - buf = &(cur->buf); - buf->tag = tag; - buf->p = *p; - buf->len = tag_len; - *p += buf->len; - - /* Allocate and assign next pointer */ - if (*p < end) - { - cur->next = (asn1_sequence *) malloc( - sizeof( asn1_sequence ) ); - - if( cur->next == NULL ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_MALLOC_FAILED ); - - cur = cur->next; - } - } - - /* Set final sequence entry's next pointer to NULL */ - cur->next = NULL; - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -/* - * X.509 v3 extensions - * - * TODO: Perform all of the basic constraints tests required by the RFC - * TODO: Set values for undetected extensions to a sane default? - * - */ -static int x509_get_crt_ext( unsigned char **p, - const unsigned char *end, - x509_cert *crt ) -{ - int ret; - size_t len; - unsigned char *end_ext_data, *end_ext_octet; - - if( ( ret = x509_get_ext( p, end, &crt->v3_ext, 3 ) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - return( 0 ); - - return( ret ); - } - - while( *p < end ) - { - /* - * Extension ::= SEQUENCE { - * extnID OBJECT IDENTIFIER, - * critical BOOLEAN DEFAULT FALSE, - * extnValue OCTET STRING } - */ - x509_buf extn_oid = {0, 0, NULL}; - int is_critical = 0; /* DEFAULT FALSE */ - - if( ( ret = asn1_get_tag( p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - end_ext_data = *p + len; - - /* Get extension ID */ - extn_oid.tag = **p; - - if( ( ret = asn1_get_tag( p, end, &extn_oid.len, ASN1_OID ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - extn_oid.p = *p; - *p += extn_oid.len; - - if( ( end - *p ) < 1 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - - /* Get optional critical */ - if( ( ret = asn1_get_bool( p, end_ext_data, &is_critical ) ) != 0 && - ( ret != POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - /* Data should be octet string type */ - if( ( ret = asn1_get_tag( p, end_ext_data, &len, - ASN1_OCTET_STRING ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + ret ); - - end_ext_octet = *p + len; - - if( end_ext_octet != end_ext_data ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - /* - * Detect supported extensions - */ - if( ( OID_SIZE( OID_BASIC_CONSTRAINTS ) == extn_oid.len ) && - memcmp( extn_oid.p, OID_BASIC_CONSTRAINTS, extn_oid.len ) == 0 ) - { - /* Parse basic constraints */ - if( ( ret = x509_get_basic_constraints( p, end_ext_octet, - &crt->ca_istrue, &crt->max_pathlen ) ) != 0 ) - return ( ret ); - crt->ext_types |= EXT_BASIC_CONSTRAINTS; - } - else if( ( OID_SIZE( OID_NS_CERT_TYPE ) == extn_oid.len ) && - memcmp( extn_oid.p, OID_NS_CERT_TYPE, extn_oid.len ) == 0 ) - { - /* Parse netscape certificate type */ - if( ( ret = x509_get_ns_cert_type( p, end_ext_octet, - &crt->ns_cert_type ) ) != 0 ) - return ( ret ); - crt->ext_types |= EXT_NS_CERT_TYPE; - } - else if( ( OID_SIZE( OID_KEY_USAGE ) == extn_oid.len ) && - memcmp( extn_oid.p, OID_KEY_USAGE, extn_oid.len ) == 0 ) - { - /* Parse key usage */ - if( ( ret = x509_get_key_usage( p, end_ext_octet, - &crt->key_usage ) ) != 0 ) - return ( ret ); - crt->ext_types |= EXT_KEY_USAGE; - } - else if( ( OID_SIZE( OID_EXTENDED_KEY_USAGE ) == extn_oid.len ) && - memcmp( extn_oid.p, OID_EXTENDED_KEY_USAGE, extn_oid.len ) == 0 ) - { - /* Parse extended key usage */ - if( ( ret = x509_get_ext_key_usage( p, end_ext_octet, - &crt->ext_key_usage ) ) != 0 ) - return ( ret ); - crt->ext_types |= EXT_EXTENDED_KEY_USAGE; - } - else if( ( OID_SIZE( OID_SUBJECT_ALT_NAME ) == extn_oid.len ) && - memcmp( extn_oid.p, OID_SUBJECT_ALT_NAME, extn_oid.len ) == 0 ) - { - /* Parse extended key usage */ - if( ( ret = x509_get_subject_alt_name( p, end_ext_octet, - &crt->subject_alt_names ) ) != 0 ) - return ( ret ); - crt->ext_types |= EXT_SUBJECT_ALT_NAME; - } - else - { - /* No parser found, skip extension */ - *p = end_ext_octet; - -#if !defined(POLARSSL_X509_ALLOW_UNSUPPORTED_CRITICAL_EXTENSION) - if( is_critical ) - { - /* Data is marked as critical: fail */ - return ( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_UNEXPECTED_TAG ); - } -#endif - } - } - - if( *p != end ) - return( POLARSSL_ERR_X509_CERT_INVALID_EXTENSIONS + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - - return( 0 ); -} - -/* - * X.509 CRL Entries - */ -static int x509_get_entries( unsigned char **p, - const unsigned char *end, - x509_crl_entry *entry ) -{ - int ret; - size_t entry_len; - x509_crl_entry *cur_entry = entry; - - if( *p == end ) - return( 0 ); - - if( ( ret = asn1_get_tag( p, end, &entry_len, - ASN1_SEQUENCE | ASN1_CONSTRUCTED ) ) != 0 ) - { - if( ret == POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - return( 0 ); - - return( ret ); - } - - end = *p + entry_len; - - while( *p < end ) - { - size_t len2; - const unsigned char *end2; - - if( ( ret = asn1_get_tag( p, end, &len2, - ASN1_SEQUENCE | ASN1_CONSTRUCTED ) ) != 0 ) - { - return( ret ); - } - - cur_entry->raw.tag = **p; - cur_entry->raw.p = *p; - cur_entry->raw.len = len2; - end2 = *p + len2; - - if( ( ret = x509_get_serial( p, end2, &cur_entry->serial ) ) != 0 ) - return( ret ); - - if( ( ret = x509_get_time( p, end2, &cur_entry->revocation_date ) ) != 0 ) - return( ret ); - - if( ( ret = x509_get_crl_entry_ext( p, end2, &cur_entry->entry_ext ) ) != 0 ) - return( ret ); - - if ( *p < end ) - { - cur_entry->next = malloc( sizeof( x509_crl_entry ) ); - - if( cur_entry->next == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - cur_entry = cur_entry->next; - memset( cur_entry, 0, sizeof( x509_crl_entry ) ); - } - } - - return( 0 ); -} - -static int x509_get_sig_alg( const x509_buf *sig_oid, int *sig_alg ) -{ - if( sig_oid->len == 9 && - memcmp( sig_oid->p, OID_PKCS1, 8 ) == 0 ) - { - if( sig_oid->p[8] >= 2 && sig_oid->p[8] <= 5 ) - { - *sig_alg = sig_oid->p[8]; - return( 0 ); - } - - if ( sig_oid->p[8] >= 11 && sig_oid->p[8] <= 14 ) - { - *sig_alg = sig_oid->p[8]; - return( 0 ); - } - - return( POLARSSL_ERR_X509_CERT_UNKNOWN_SIG_ALG ); - } - if( sig_oid->len == 5 && - memcmp( sig_oid->p, OID_RSA_SHA_OBS, 5 ) == 0 ) - { - *sig_alg = SIG_RSA_SHA1; - return( 0 ); - } - - return( POLARSSL_ERR_X509_CERT_UNKNOWN_SIG_ALG ); -} - -/* - * Parse and fill a single X.509 certificate in DER format - */ -int x509parse_crt_der( x509_cert *crt, const unsigned char *buf, size_t buflen ) -{ - int ret; - size_t len; - unsigned char *p, *end; - - /* - * Check for valid input - */ - if( crt == NULL || buf == NULL ) - return( POLARSSL_ERR_X509_INVALID_INPUT ); - - p = (unsigned char *) malloc( len = buflen ); - - if( p == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - memcpy( p, buf, buflen ); - - buflen = 0; - - crt->raw.p = p; - crt->raw.len = len; - end = p + len; - - /* - * Certificate ::= SEQUENCE { - * tbsCertificate TBSCertificate, - * signatureAlgorithm AlgorithmIdentifier, - * signatureValue BIT STRING } - */ - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT ); - } - - if( len != (size_t) ( end - p ) ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - - /* - * TBSCertificate ::= SEQUENCE { - */ - crt->tbs.p = p; - - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + ret ); - } - - end = p + len; - crt->tbs.len = end - crt->tbs.p; - - /* - * Version ::= INTEGER { v1(0), v2(1), v3(2) } - * - * CertificateSerialNumber ::= INTEGER - * - * signature AlgorithmIdentifier - */ - if( ( ret = x509_get_version( &p, end, &crt->version ) ) != 0 || - ( ret = x509_get_serial( &p, end, &crt->serial ) ) != 0 || - ( ret = x509_get_alg( &p, end, &crt->sig_oid1 ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - crt->version++; - - if( crt->version > 3 ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_UNKNOWN_VERSION ); - } - - if( ( ret = x509_get_sig_alg( &crt->sig_oid1, &crt->sig_alg ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - /* - * issuer Name - */ - crt->issuer_raw.p = p; - - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + ret ); - } - - if( ( ret = x509_get_name( &p, p + len, &crt->issuer ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - crt->issuer_raw.len = p - crt->issuer_raw.p; - - /* - * Validity ::= SEQUENCE { - * notBefore Time, - * notAfter Time } - * - */ - if( ( ret = x509_get_dates( &p, end, &crt->valid_from, - &crt->valid_to ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - /* - * subject Name - */ - crt->subject_raw.p = p; - - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + ret ); - } - - if( ( ret = x509_get_name( &p, p + len, &crt->subject ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - crt->subject_raw.len = p - crt->subject_raw.p; - - /* - * SubjectPublicKeyInfo ::= SEQUENCE - * algorithm AlgorithmIdentifier, - * subjectPublicKey BIT STRING } - */ - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + ret ); - } - - if( ( ret = x509_get_pubkey( &p, p + len, &crt->pk_oid, - &crt->rsa.N, &crt->rsa.E ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - if( ( ret = rsa_check_pubkey( &crt->rsa ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - crt->rsa.len = mpi_size( &crt->rsa.N ); - - /* - * issuerUniqueID [1] IMPLICIT UniqueIdentifier OPTIONAL, - * -- If present, version shall be v2 or v3 - * subjectUniqueID [2] IMPLICIT UniqueIdentifier OPTIONAL, - * -- If present, version shall be v2 or v3 - * extensions [3] EXPLICIT Extensions OPTIONAL - * -- If present, version shall be v3 - */ - if( crt->version == 2 || crt->version == 3 ) - { - ret = x509_get_uid( &p, end, &crt->issuer_id, 1 ); - if( ret != 0 ) - { - x509_free( crt ); - return( ret ); - } - } - - if( crt->version == 2 || crt->version == 3 ) - { - ret = x509_get_uid( &p, end, &crt->subject_id, 2 ); - if( ret != 0 ) - { - x509_free( crt ); - return( ret ); - } - } - - if( crt->version == 3 ) - { - ret = x509_get_crt_ext( &p, end, crt); - if( ret != 0 ) - { - x509_free( crt ); - return( ret ); - } - } - - if( p != end ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - - end = crt->raw.p + crt->raw.len; - - /* - * signatureAlgorithm AlgorithmIdentifier, - * signatureValue BIT STRING - */ - if( ( ret = x509_get_alg( &p, end, &crt->sig_oid2 ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - if( memcmp( crt->sig_oid1.p, crt->sig_oid2.p, crt->sig_oid1.len ) != 0 ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_SIG_MISMATCH ); - } - - if( ( ret = x509_get_sig( &p, end, &crt->sig ) ) != 0 ) - { - x509_free( crt ); - return( ret ); - } - - if( p != end ) - { - x509_free( crt ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - - return( 0 ); -} - -/* - * Parse one or more PEM certificates from a buffer and add them to the chained list - */ -int x509parse_crt( x509_cert *chain, const unsigned char *buf, size_t buflen ) -{ - int ret, success = 0, first_error = 0, total_failed = 0; - x509_cert *crt, *prev = NULL; - int buf_format = X509_FORMAT_DER; - - crt = chain; - - /* - * Check for valid input - */ - if( crt == NULL || buf == NULL ) - return( POLARSSL_ERR_X509_INVALID_INPUT ); - - while( crt->version != 0 && crt->next != NULL ) - { - prev = crt; - crt = crt->next; - } - - /* - * Add new certificate on the end of the chain if needed. - */ - if ( crt->version != 0 && crt->next == NULL) - { - crt->next = (x509_cert *) malloc( sizeof( x509_cert ) ); - - if( crt->next == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - prev = crt; - crt = crt->next; - memset( crt, 0, sizeof( x509_cert ) ); - } - - /* - * Determine buffer content. Buffer contains either one DER certificate or - * one or more PEM certificates. - */ -#if defined(POLARSSL_PEM_C) - if( strstr( (char *) buf, "-----BEGIN CERTIFICATE-----" ) != NULL ) - buf_format = X509_FORMAT_PEM; -#endif - - if( buf_format == X509_FORMAT_DER ) - return x509parse_crt_der( crt, buf, buflen ); - -#if defined(POLARSSL_PEM_C) - if( buf_format == X509_FORMAT_PEM ) - { - pem_context pem; - - while( buflen > 0 ) - { - size_t use_len; - pem_init( &pem ); - - ret = pem_read_buffer( &pem, - "-----BEGIN CERTIFICATE-----", - "-----END CERTIFICATE-----", - buf, NULL, 0, &use_len ); - - if( ret == 0 ) - { - /* - * Was PEM encoded - */ - buflen -= use_len; - buf += use_len; - } - else if( ret != POLARSSL_ERR_PEM_NO_HEADER_PRESENT ) - { - pem_free( &pem ); - - if( first_error == 0 ) - first_error = ret; - - continue; - } - else - break; - - ret = x509parse_crt_der( crt, pem.buf, pem.buflen ); - - pem_free( &pem ); - - if( ret != 0 ) - { - /* - * quit parsing on a memory error - */ - if( ret == POLARSSL_ERR_X509_MALLOC_FAILED ) - { - if( prev ) - prev->next = NULL; - - if( crt != chain ) - free( crt ); - - return( ret ); - } - - if( first_error == 0 ) - first_error = ret; - - total_failed++; - - memset( crt, 0, sizeof( x509_cert ) ); - continue; - } - - success = 1; - - /* - * Add new certificate to the list - */ - crt->next = (x509_cert *) malloc( sizeof( x509_cert ) ); - - if( crt->next == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - prev = crt; - crt = crt->next; - memset( crt, 0, sizeof( x509_cert ) ); - } - } -#endif - - if( crt->version == 0 ) - { - if( prev ) - prev->next = NULL; - - if( crt != chain ) - free( crt ); - } - - if( success ) - return( total_failed ); - else if( first_error ) - return( first_error ); - else - return( POLARSSL_ERR_X509_CERT_UNKNOWN_FORMAT ); -} - -/* - * Parse one or more CRLs and add them to the chained list - */ -int x509parse_crl( x509_crl *chain, const unsigned char *buf, size_t buflen ) -{ - int ret; - size_t len; - unsigned char *p, *end; - x509_crl *crl; -#if defined(POLARSSL_PEM_C) - size_t use_len; - pem_context pem; -#endif - - crl = chain; - - /* - * Check for valid input - */ - if( crl == NULL || buf == NULL ) - return( POLARSSL_ERR_X509_INVALID_INPUT ); - - while( crl->version != 0 && crl->next != NULL ) - crl = crl->next; - - /* - * Add new CRL on the end of the chain if needed. - */ - if ( crl->version != 0 && crl->next == NULL) - { - crl->next = (x509_crl *) malloc( sizeof( x509_crl ) ); - - if( crl->next == NULL ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - } - - crl = crl->next; - memset( crl, 0, sizeof( x509_crl ) ); - } - -#if defined(POLARSSL_PEM_C) - pem_init( &pem ); - ret = pem_read_buffer( &pem, - "-----BEGIN X509 CRL-----", - "-----END X509 CRL-----", - buf, NULL, 0, &use_len ); - - if( ret == 0 ) - { - /* - * Was PEM encoded - */ - buflen -= use_len; - buf += use_len; - - /* - * Steal PEM buffer - */ - p = pem.buf; - pem.buf = NULL; - len = pem.buflen; - pem_free( &pem ); - } - else if( ret != POLARSSL_ERR_PEM_NO_HEADER_PRESENT ) - { - pem_free( &pem ); - return( ret ); - } - else - { - /* - * nope, copy the raw DER data - */ - p = (unsigned char *) malloc( len = buflen ); - - if( p == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - memcpy( p, buf, buflen ); - - buflen = 0; - } -#else - p = (unsigned char *) malloc( len = buflen ); - - if( p == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - memcpy( p, buf, buflen ); - - buflen = 0; -#endif - - crl->raw.p = p; - crl->raw.len = len; - end = p + len; - - /* - * CertificateList ::= SEQUENCE { - * tbsCertList TBSCertList, - * signatureAlgorithm AlgorithmIdentifier, - * signatureValue BIT STRING } - */ - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT ); - } - - if( len != (size_t) ( end - p ) ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - - /* - * TBSCertList ::= SEQUENCE { - */ - crl->tbs.p = p; - - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + ret ); - } - - end = p + len; - crl->tbs.len = end - crl->tbs.p; - - /* - * Version ::= INTEGER OPTIONAL { v1(0), v2(1) } - * -- if present, MUST be v2 - * - * signature AlgorithmIdentifier - */ - if( ( ret = x509_crl_get_version( &p, end, &crl->version ) ) != 0 || - ( ret = x509_get_alg( &p, end, &crl->sig_oid1 ) ) != 0 ) - { - x509_crl_free( crl ); - return( ret ); - } - - crl->version++; - - if( crl->version > 2 ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_UNKNOWN_VERSION ); - } - - if( ( ret = x509_get_sig_alg( &crl->sig_oid1, &crl->sig_alg ) ) != 0 ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_UNKNOWN_SIG_ALG ); - } - - /* - * issuer Name - */ - crl->issuer_raw.p = p; - - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + ret ); - } - - if( ( ret = x509_get_name( &p, p + len, &crl->issuer ) ) != 0 ) - { - x509_crl_free( crl ); - return( ret ); - } - - crl->issuer_raw.len = p - crl->issuer_raw.p; - - /* - * thisUpdate Time - * nextUpdate Time OPTIONAL - */ - if( ( ret = x509_get_time( &p, end, &crl->this_update ) ) != 0 ) - { - x509_crl_free( crl ); - return( ret ); - } - - if( ( ret = x509_get_time( &p, end, &crl->next_update ) ) != 0 ) - { - if ( ret != ( POLARSSL_ERR_X509_CERT_INVALID_DATE + - POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) && - ret != ( POLARSSL_ERR_X509_CERT_INVALID_DATE + - POLARSSL_ERR_ASN1_OUT_OF_DATA ) ) - { - x509_crl_free( crl ); - return( ret ); - } - } - - /* - * revokedCertificates SEQUENCE OF SEQUENCE { - * userCertificate CertificateSerialNumber, - * revocationDate Time, - * crlEntryExtensions Extensions OPTIONAL - * -- if present, MUST be v2 - * } OPTIONAL - */ - if( ( ret = x509_get_entries( &p, end, &crl->entry ) ) != 0 ) - { - x509_crl_free( crl ); - return( ret ); - } - - /* - * crlExtensions EXPLICIT Extensions OPTIONAL - * -- if present, MUST be v2 - */ - if( crl->version == 2 ) - { - ret = x509_get_crl_ext( &p, end, &crl->crl_ext ); - - if( ret != 0 ) - { - x509_crl_free( crl ); - return( ret ); - } - } - - if( p != end ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - - end = crl->raw.p + crl->raw.len; - - /* - * signatureAlgorithm AlgorithmIdentifier, - * signatureValue BIT STRING - */ - if( ( ret = x509_get_alg( &p, end, &crl->sig_oid2 ) ) != 0 ) - { - x509_crl_free( crl ); - return( ret ); - } - - if( memcmp( crl->sig_oid1.p, crl->sig_oid2.p, crl->sig_oid1.len ) != 0 ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_SIG_MISMATCH ); - } - - if( ( ret = x509_get_sig( &p, end, &crl->sig ) ) != 0 ) - { - x509_crl_free( crl ); - return( ret ); - } - - if( p != end ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - - if( buflen > 0 ) - { - crl->next = (x509_crl *) malloc( sizeof( x509_crl ) ); - - if( crl->next == NULL ) - { - x509_crl_free( crl ); - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - } - - crl = crl->next; - memset( crl, 0, sizeof( x509_crl ) ); - - return( x509parse_crl( crl, buf, buflen ) ); - } - - return( 0 ); -} - -#if defined(POLARSSL_FS_IO) -/* - * Load all data from a file into a given buffer. - */ -int load_file( const char *path, unsigned char **buf, size_t *n ) -{ - FILE *f; - - if( ( f = fopen( path, "rb" ) ) == NULL ) - return( POLARSSL_ERR_X509_FILE_IO_ERROR ); - - fseek( f, 0, SEEK_END ); - *n = (size_t) ftell( f ); - fseek( f, 0, SEEK_SET ); - - if( ( *buf = (unsigned char *) malloc( *n + 1 ) ) == NULL ) - return( POLARSSL_ERR_X509_MALLOC_FAILED ); - - if( fread( *buf, 1, *n, f ) != *n ) - { - fclose( f ); - free( *buf ); - return( POLARSSL_ERR_X509_FILE_IO_ERROR ); - } - - fclose( f ); - - (*buf)[*n] = '\0'; - - return( 0 ); -} - -/* - * Load one or more certificates and add them to the chained list - */ -int x509parse_crtfile( x509_cert *chain, const char *path ) -{ - int ret; - size_t n; - unsigned char *buf; - - if ( (ret = load_file( path, &buf, &n ) ) != 0 ) - return( ret ); - - ret = x509parse_crt( chain, buf, n ); - - memset( buf, 0, n + 1 ); - free( buf ); - - return( ret ); -} - -/* - * Load one or more CRLs and add them to the chained list - */ -int x509parse_crlfile( x509_crl *chain, const char *path ) -{ - int ret; - size_t n; - unsigned char *buf; - - if ( (ret = load_file( path, &buf, &n ) ) != 0 ) - return( ret ); - - ret = x509parse_crl( chain, buf, n ); - - memset( buf, 0, n + 1 ); - free( buf ); - - return( ret ); -} - -/* - * Load and parse a private RSA key - */ -int x509parse_keyfile( rsa_context *rsa, const char *path, const char *pwd ) -{ - int ret; - size_t n; - unsigned char *buf; - - if ( (ret = load_file( path, &buf, &n ) ) != 0 ) - return( ret ); - - if( pwd == NULL ) - ret = x509parse_key( rsa, buf, n, NULL, 0 ); - else - ret = x509parse_key( rsa, buf, n, - (unsigned char *) pwd, strlen( pwd ) ); - - memset( buf, 0, n + 1 ); - free( buf ); - - return( ret ); -} - -/* - * Load and parse a public RSA key - */ -int x509parse_public_keyfile( rsa_context *rsa, const char *path ) -{ - int ret; - size_t n; - unsigned char *buf; - - if ( (ret = load_file( path, &buf, &n ) ) != 0 ) - return( ret ); - - ret = x509parse_public_key( rsa, buf, n ); - - memset( buf, 0, n + 1 ); - free( buf ); - - return( ret ); -} -#endif /* POLARSSL_FS_IO */ - -/* - * Parse a private RSA key - */ -int x509parse_key( rsa_context *rsa, const unsigned char *key, size_t keylen, - const unsigned char *pwd, size_t pwdlen ) -{ - int ret; - size_t len; - unsigned char *p, *end; - unsigned char *p_alt; - x509_buf pk_alg_oid; - -#if defined(POLARSSL_PEM_C) - pem_context pem; - - pem_init( &pem ); - ret = pem_read_buffer( &pem, - "-----BEGIN RSA PRIVATE KEY-----", - "-----END RSA PRIVATE KEY-----", - key, pwd, pwdlen, &len ); - - if( ret == POLARSSL_ERR_PEM_NO_HEADER_PRESENT ) - { - ret = pem_read_buffer( &pem, - "-----BEGIN PRIVATE KEY-----", - "-----END PRIVATE KEY-----", - key, pwd, pwdlen, &len ); - } - - if( ret == 0 ) - { - /* - * Was PEM encoded - */ - keylen = pem.buflen; - } - else if( ret != POLARSSL_ERR_PEM_NO_HEADER_PRESENT ) - { - pem_free( &pem ); - return( ret ); - } - - p = ( ret == 0 ) ? pem.buf : (unsigned char *) key; -#else - ((void) pwd); - ((void) pwdlen); - p = (unsigned char *) key; -#endif - end = p + keylen; - - /* - * Note: Depending on the type of private key file one can expect either a - * PrivatKeyInfo object (PKCS#8) or a RSAPrivateKey (PKCS#1) directly. - * - * PrivateKeyInfo ::= SEQUENCE { - * version Version, - * algorithm AlgorithmIdentifier, - * PrivateKey BIT STRING - * } - * - * AlgorithmIdentifier ::= SEQUENCE { - * algorithm OBJECT IDENTIFIER, - * parameters ANY DEFINED BY algorithm OPTIONAL - * } - * - * RSAPrivateKey ::= SEQUENCE { - * version Version, - * modulus INTEGER, -- n - * publicExponent INTEGER, -- e - * privateExponent INTEGER, -- d - * prime1 INTEGER, -- p - * prime2 INTEGER, -- q - * exponent1 INTEGER, -- d mod (p-1) - * exponent2 INTEGER, -- d mod (q-1) - * coefficient INTEGER, -- (inverse of q) mod p - * otherPrimeInfos OtherPrimeInfos OPTIONAL - * } - */ - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - end = p + len; - - if( ( ret = asn1_get_int( &p, end, &rsa->ver ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - if( rsa->ver != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_VERSION + ret ); - } - - p_alt = p; - - if( ( ret = x509_get_alg( &p_alt, end, &pk_alg_oid ) ) != 0 ) - { - // Assume that we have the PKCS#1 format if wrong - // tag was encountered - // - if( ret != POLARSSL_ERR_X509_CERT_INVALID_ALG + - POLARSSL_ERR_ASN1_UNEXPECTED_TAG ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT ); - } - } - else - { - int can_handle; - - /* - * only RSA keys handled at this time - */ - can_handle = 0; - - if( pk_alg_oid.len == 9 && - memcmp( pk_alg_oid.p, OID_PKCS1_RSA, 9 ) == 0 ) - can_handle = 1; - - if( pk_alg_oid.len == 9 && - memcmp( pk_alg_oid.p, OID_PKCS1, 8 ) == 0 ) - { - if( pk_alg_oid.p[8] >= 2 && pk_alg_oid.p[8] <= 5 ) - can_handle = 1; - - if ( pk_alg_oid.p[8] >= 11 && pk_alg_oid.p[8] <= 14 ) - can_handle = 1; - } - - if( pk_alg_oid.len == 5 && - memcmp( pk_alg_oid.p, OID_RSA_SHA_OBS, 5 ) == 0 ) - can_handle = 1; - - if( can_handle == 0 ) - return( POLARSSL_ERR_X509_UNKNOWN_PK_ALG ); - - /* - * Parse the PKCS#8 format - */ - - p = p_alt; - if( ( ret = asn1_get_tag( &p, end, &len, ASN1_OCTET_STRING ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - if( ( end - p ) < 1 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + - POLARSSL_ERR_ASN1_OUT_OF_DATA ); - } - - end = p + len; - - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - end = p + len; - - if( ( ret = asn1_get_int( &p, end, &rsa->ver ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - if( rsa->ver != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_VERSION + ret ); - } - } - - if( ( ret = asn1_get_mpi( &p, end, &rsa->N ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &rsa->E ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &rsa->D ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &rsa->P ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &rsa->Q ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &rsa->DP ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &rsa->DQ ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &rsa->QP ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - rsa->len = mpi_size( &rsa->N ); - - if( p != end ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - - if( ( ret = rsa_check_privkey( rsa ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( ret ); - } - -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - - return( 0 ); -} - -/* - * Parse a public RSA key - */ -int x509parse_public_key( rsa_context *rsa, const unsigned char *key, size_t keylen ) -{ - int ret; - size_t len; - unsigned char *p, *end; - x509_buf alg_oid; -#if defined(POLARSSL_PEM_C) - pem_context pem; - - pem_init( &pem ); - ret = pem_read_buffer( &pem, - "-----BEGIN PUBLIC KEY-----", - "-----END PUBLIC KEY-----", - key, NULL, 0, &len ); - - if( ret == 0 ) - { - /* - * Was PEM encoded - */ - keylen = pem.buflen; - } - else if( ret != POLARSSL_ERR_PEM_NO_HEADER_PRESENT ) - { - pem_free( &pem ); - return( ret ); - } - - p = ( ret == 0 ) ? pem.buf : (unsigned char *) key; -#else - p = (unsigned char *) key; -#endif - end = p + keylen; - - /* - * PublicKeyInfo ::= SEQUENCE { - * algorithm AlgorithmIdentifier, - * PublicKey BIT STRING - * } - * - * AlgorithmIdentifier ::= SEQUENCE { - * algorithm OBJECT IDENTIFIER, - * parameters ANY DEFINED BY algorithm OPTIONAL - * } - * - * RSAPublicKey ::= SEQUENCE { - * modulus INTEGER, -- n - * publicExponent INTEGER -- e - * } - */ - - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_CERT_INVALID_FORMAT + ret ); - } - - if( ( ret = x509_get_pubkey( &p, end, &alg_oid, &rsa->N, &rsa->E ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - if( ( ret = rsa_check_pubkey( rsa ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - rsa_free( rsa ); - return( ret ); - } - - rsa->len = mpi_size( &rsa->N ); - -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - - return( 0 ); -} - -#if defined(POLARSSL_DHM_C) -/* - * Parse DHM parameters - */ -int x509parse_dhm( dhm_context *dhm, const unsigned char *dhmin, size_t dhminlen ) -{ - int ret; - size_t len; - unsigned char *p, *end; -#if defined(POLARSSL_PEM_C) - pem_context pem; - - pem_init( &pem ); - - ret = pem_read_buffer( &pem, - "-----BEGIN DH PARAMETERS-----", - "-----END DH PARAMETERS-----", - dhmin, NULL, 0, &dhminlen ); - - if( ret == 0 ) - { - /* - * Was PEM encoded - */ - dhminlen = pem.buflen; - } - else if( ret != POLARSSL_ERR_PEM_NO_HEADER_PRESENT ) - { - pem_free( &pem ); - return( ret ); - } - - p = ( ret == 0 ) ? pem.buf : (unsigned char *) dhmin; -#else - p = (unsigned char *) dhmin; -#endif - end = p + dhminlen; - - memset( dhm, 0, sizeof( dhm_context ) ); - - /* - * DHParams ::= SEQUENCE { - * prime INTEGER, -- P - * generator INTEGER, -- g - * } - */ - if( ( ret = asn1_get_tag( &p, end, &len, - ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - end = p + len; - - if( ( ret = asn1_get_mpi( &p, end, &dhm->P ) ) != 0 || - ( ret = asn1_get_mpi( &p, end, &dhm->G ) ) != 0 ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - dhm_free( dhm ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + ret ); - } - - if( p != end ) - { -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - dhm_free( dhm ); - return( POLARSSL_ERR_X509_KEY_INVALID_FORMAT + - POLARSSL_ERR_ASN1_LENGTH_MISMATCH ); - } - -#if defined(POLARSSL_PEM_C) - pem_free( &pem ); -#endif - - return( 0 ); -} - -#if defined(POLARSSL_FS_IO) -/* - * Load and parse a private RSA key - */ -int x509parse_dhmfile( dhm_context *dhm, const char *path ) -{ - int ret; - size_t n; - unsigned char *buf; - - if ( ( ret = load_file( path, &buf, &n ) ) != 0 ) - return( ret ); - - ret = x509parse_dhm( dhm, buf, n ); - - memset( buf, 0, n + 1 ); - free( buf ); - - return( ret ); -} -#endif /* POLARSSL_FS_IO */ -#endif /* POLARSSL_DHM_C */ - -#if defined _MSC_VER && !defined snprintf -#include <stdarg.h> - -#if !defined vsnprintf -#define vsnprintf _vsnprintf -#endif // vsnprintf - -/* - * Windows _snprintf and _vsnprintf are not compatible to linux versions. - * Result value is not size of buffer needed, but -1 if no fit is possible. - * - * This fuction tries to 'fix' this by at least suggesting enlarging the - * size by 20. - */ -int compat_snprintf(char *str, size_t size, const char *format, ...) -{ - va_list ap; - int res = -1; - - va_start( ap, format ); - - res = vsnprintf( str, size, format, ap ); - - va_end( ap ); - - // No quick fix possible - if ( res < 0 ) - return( (int) size + 20 ); - - return res; -} - -#define snprintf compat_snprintf -#endif - -#define POLARSSL_ERR_DEBUG_BUF_TOO_SMALL -2 - -#define SAFE_SNPRINTF() \ -{ \ - if( ret == -1 ) \ - return( -1 ); \ - \ - if ( (unsigned int) ret > n ) { \ - p[n - 1] = '\0'; \ - return POLARSSL_ERR_DEBUG_BUF_TOO_SMALL;\ - } \ - \ - n -= (unsigned int) ret; \ - p += (unsigned int) ret; \ -} - -/* - * Store the name in printable form into buf; no more - * than size characters will be written - */ -int x509parse_dn_gets( char *buf, size_t size, const x509_name *dn ) -{ - int ret; - size_t i, n; - unsigned char c; - const x509_name *name; - char s[128], *p; - - memset( s, 0, sizeof( s ) ); - - name = dn; - p = buf; - n = size; - - while( name != NULL ) - { - if( name != dn ) - { - ret = snprintf( p, n, ", " ); - SAFE_SNPRINTF(); - } - - if( memcmp( name->oid.p, OID_X520, 2 ) == 0 ) - { - switch( name->oid.p[2] ) - { - case X520_COMMON_NAME: - ret = snprintf( p, n, "CN=" ); break; - - case X520_COUNTRY: - ret = snprintf( p, n, "C=" ); break; - - case X520_LOCALITY: - ret = snprintf( p, n, "L=" ); break; - - case X520_STATE: - ret = snprintf( p, n, "ST=" ); break; - - case X520_ORGANIZATION: - ret = snprintf( p, n, "O=" ); break; - - case X520_ORG_UNIT: - ret = snprintf( p, n, "OU=" ); break; - - default: - ret = snprintf( p, n, "0x%02X=", - name->oid.p[2] ); - break; - } - SAFE_SNPRINTF(); - } - else if( memcmp( name->oid.p, OID_PKCS9, 8 ) == 0 ) - { - switch( name->oid.p[8] ) - { - case PKCS9_EMAIL: - ret = snprintf( p, n, "emailAddress=" ); break; - - default: - ret = snprintf( p, n, "0x%02X=", - name->oid.p[8] ); - break; - } - SAFE_SNPRINTF(); - } - else - { - ret = snprintf( p, n, "\?\?=" ); - SAFE_SNPRINTF(); - } - - for( i = 0; i < name->val.len; i++ ) - { - if( i >= sizeof( s ) - 1 ) - break; - - c = name->val.p[i]; - if( c < 32 || c == 127 || ( c > 128 && c < 160 ) ) - s[i] = '?'; - else s[i] = c; - } - s[i] = '\0'; - ret = snprintf( p, n, "%s", s ); - SAFE_SNPRINTF(); - name = name->next; - } - - return( (int) ( size - n ) ); -} - -/* - * Store the serial in printable form into buf; no more - * than size characters will be written - */ -int x509parse_serial_gets( char *buf, size_t size, const x509_buf *serial ) -{ - int ret; - size_t i, n, nr; - char *p; - - p = buf; - n = size; - - nr = ( serial->len <= 32 ) - ? serial->len : 28; - - for( i = 0; i < nr; i++ ) - { - if( i == 0 && nr > 1 && serial->p[i] == 0x0 ) - continue; - - ret = snprintf( p, n, "%02X%s", - serial->p[i], ( i < nr - 1 ) ? ":" : "" ); - SAFE_SNPRINTF(); - } - - if( nr != serial->len ) - { - ret = snprintf( p, n, "...." ); - SAFE_SNPRINTF(); - } - - return( (int) ( size - n ) ); -} - -/* - * Return an informational string about the certificate. - */ -int x509parse_cert_info( char *buf, size_t size, const char *prefix, - const x509_cert *crt ) -{ - int ret; - size_t n; - char *p; - - p = buf; - n = size; - - ret = snprintf( p, n, "%scert. version : %d\n", - prefix, crt->version ); - SAFE_SNPRINTF(); - ret = snprintf( p, n, "%sserial number : ", - prefix ); - SAFE_SNPRINTF(); - - ret = x509parse_serial_gets( p, n, &crt->serial); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%sissuer name : ", prefix ); - SAFE_SNPRINTF(); - ret = x509parse_dn_gets( p, n, &crt->issuer ); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%ssubject name : ", prefix ); - SAFE_SNPRINTF(); - ret = x509parse_dn_gets( p, n, &crt->subject ); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%sissued on : " \ - "%04d-%02d-%02d %02d:%02d:%02d", prefix, - crt->valid_from.year, crt->valid_from.mon, - crt->valid_from.day, crt->valid_from.hour, - crt->valid_from.min, crt->valid_from.sec ); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%sexpires on : " \ - "%04d-%02d-%02d %02d:%02d:%02d", prefix, - crt->valid_to.year, crt->valid_to.mon, - crt->valid_to.day, crt->valid_to.hour, - crt->valid_to.min, crt->valid_to.sec ); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%ssigned using : RSA+", prefix ); - SAFE_SNPRINTF(); - - switch( crt->sig_alg ) - { - case SIG_RSA_MD2 : ret = snprintf( p, n, "MD2" ); break; - case SIG_RSA_MD4 : ret = snprintf( p, n, "MD4" ); break; - case SIG_RSA_MD5 : ret = snprintf( p, n, "MD5" ); break; - case SIG_RSA_SHA1 : ret = snprintf( p, n, "SHA1" ); break; - case SIG_RSA_SHA224 : ret = snprintf( p, n, "SHA224" ); break; - case SIG_RSA_SHA256 : ret = snprintf( p, n, "SHA256" ); break; - case SIG_RSA_SHA384 : ret = snprintf( p, n, "SHA384" ); break; - case SIG_RSA_SHA512 : ret = snprintf( p, n, "SHA512" ); break; - default: ret = snprintf( p, n, "???" ); break; - } - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%sRSA key size : %d bits\n", prefix, - (int) crt->rsa.N.n * (int) sizeof( unsigned long ) * 8 ); - SAFE_SNPRINTF(); - - return( (int) ( size - n ) ); -} - -/* Compare a given OID string with an OID x509_buf * */ -#define OID_CMP(oid_str, oid_buf) \ - ( ( OID_SIZE(oid_str) == (oid_buf)->len ) && \ - memcmp( (oid_str), (oid_buf)->p, (oid_buf)->len) == 0) - -/* - * Return an informational string describing the given OID - */ -const char *x509_oid_get_description( x509_buf *oid ) -{ - if ( oid == NULL ) - return ( NULL ); - - else if( OID_CMP( OID_SERVER_AUTH, oid ) ) - return( STRING_SERVER_AUTH ); - - else if( OID_CMP( OID_CLIENT_AUTH, oid ) ) - return( STRING_CLIENT_AUTH ); - - else if( OID_CMP( OID_CODE_SIGNING, oid ) ) - return( STRING_CODE_SIGNING ); - - else if( OID_CMP( OID_EMAIL_PROTECTION, oid ) ) - return( STRING_EMAIL_PROTECTION ); - - else if( OID_CMP( OID_TIME_STAMPING, oid ) ) - return( STRING_TIME_STAMPING ); - - else if( OID_CMP( OID_OCSP_SIGNING, oid ) ) - return( STRING_OCSP_SIGNING ); - - return( NULL ); -} - -/* Return the x.y.z.... style numeric string for the given OID */ -int x509_oid_get_numeric_string( char *buf, size_t size, x509_buf *oid ) -{ - int ret; - size_t i, n; - unsigned int value; - char *p; - - p = buf; - n = size; - - /* First byte contains first two dots */ - if( oid->len > 0 ) - { - ret = snprintf( p, n, "%d.%d", oid->p[0]/40, oid->p[0]%40 ); - SAFE_SNPRINTF(); - } - - /* TODO: value can overflow in value. */ - value = 0; - for( i = 1; i < oid->len; i++ ) - { - value <<= 7; - value += oid->p[i] & 0x7F; - - if( !( oid->p[i] & 0x80 ) ) - { - /* Last byte */ - ret = snprintf( p, n, ".%d", value ); - SAFE_SNPRINTF(); - value = 0; - } - } - - return( (int) ( size - n ) ); -} - -/* - * Return an informational string about the CRL. - */ -int x509parse_crl_info( char *buf, size_t size, const char *prefix, - const x509_crl *crl ) -{ - int ret; - size_t n; - char *p; - const x509_crl_entry *entry; - - p = buf; - n = size; - - ret = snprintf( p, n, "%sCRL version : %d", - prefix, crl->version ); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%sissuer name : ", prefix ); - SAFE_SNPRINTF(); - ret = x509parse_dn_gets( p, n, &crl->issuer ); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%sthis update : " \ - "%04d-%02d-%02d %02d:%02d:%02d", prefix, - crl->this_update.year, crl->this_update.mon, - crl->this_update.day, crl->this_update.hour, - crl->this_update.min, crl->this_update.sec ); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n%snext update : " \ - "%04d-%02d-%02d %02d:%02d:%02d", prefix, - crl->next_update.year, crl->next_update.mon, - crl->next_update.day, crl->next_update.hour, - crl->next_update.min, crl->next_update.sec ); - SAFE_SNPRINTF(); - - entry = &crl->entry; - - ret = snprintf( p, n, "\n%sRevoked certificates:", - prefix ); - SAFE_SNPRINTF(); - - while( entry != NULL && entry->raw.len != 0 ) - { - ret = snprintf( p, n, "\n%sserial number: ", - prefix ); - SAFE_SNPRINTF(); - - ret = x509parse_serial_gets( p, n, &entry->serial); - SAFE_SNPRINTF(); - - ret = snprintf( p, n, " revocation date: " \ - "%04d-%02d-%02d %02d:%02d:%02d", - entry->revocation_date.year, entry->revocation_date.mon, - entry->revocation_date.day, entry->revocation_date.hour, - entry->revocation_date.min, entry->revocation_date.sec ); - SAFE_SNPRINTF(); - - entry = entry->next; - } - - ret = snprintf( p, n, "\n%ssigned using : RSA+", prefix ); - SAFE_SNPRINTF(); - - switch( crl->sig_alg ) - { - case SIG_RSA_MD2 : ret = snprintf( p, n, "MD2" ); break; - case SIG_RSA_MD4 : ret = snprintf( p, n, "MD4" ); break; - case SIG_RSA_MD5 : ret = snprintf( p, n, "MD5" ); break; - case SIG_RSA_SHA1 : ret = snprintf( p, n, "SHA1" ); break; - case SIG_RSA_SHA224 : ret = snprintf( p, n, "SHA224" ); break; - case SIG_RSA_SHA256 : ret = snprintf( p, n, "SHA256" ); break; - case SIG_RSA_SHA384 : ret = snprintf( p, n, "SHA384" ); break; - case SIG_RSA_SHA512 : ret = snprintf( p, n, "SHA512" ); break; - default: ret = snprintf( p, n, "???" ); break; - } - SAFE_SNPRINTF(); - - ret = snprintf( p, n, "\n" ); - SAFE_SNPRINTF(); - - return( (int) ( size - n ) ); -} - -/* - * Return 0 if the x509_time is still valid, or 1 otherwise. - */ -int x509parse_time_expired( const x509_time *to ) -{ - int year, mon, day; - int hour, min, sec; - -#if defined(_WIN32) - SYSTEMTIME st; - - GetLocalTime(&st); - - year = st.wYear; - mon = st.wMonth; - day = st.wDay; - hour = st.wHour; - min = st.wMinute; - sec = st.wSecond; -#else - struct tm *lt; - time_t tt; - - tt = time( NULL ); - lt = localtime( &tt ); - - year = lt->tm_year + 1900; - mon = lt->tm_mon + 1; - day = lt->tm_mday; - hour = lt->tm_hour; - min = lt->tm_min; - sec = lt->tm_sec; -#endif - - if( year > to->year ) - return( 1 ); - - if( year == to->year && - mon > to->mon ) - return( 1 ); - - if( year == to->year && - mon == to->mon && - day > to->day ) - return( 1 ); - - if( year == to->year && - mon == to->mon && - day == to->day && - hour > to->hour ) - return( 1 ); - - if( year == to->year && - mon == to->mon && - day == to->day && - hour == to->hour && - min > to->min ) - return( 1 ); - - if( year == to->year && - mon == to->mon && - day == to->day && - hour == to->hour && - min == to->min && - sec > to->sec ) - return( 1 ); - - return( 0 ); -} - -/* - * Return 1 if the certificate is revoked, or 0 otherwise. - */ -int x509parse_revoked( const x509_cert *crt, const x509_crl *crl ) -{ - const x509_crl_entry *cur = &crl->entry; - - while( cur != NULL && cur->serial.len != 0 ) - { - if( crt->serial.len == cur->serial.len && - memcmp( crt->serial.p, cur->serial.p, crt->serial.len ) == 0 ) - { - if( x509parse_time_expired( &cur->revocation_date ) ) - return( 1 ); - } - - cur = cur->next; - } - - return( 0 ); -} - -/* - * Wrapper for x509 hashes. - * - * \param out Buffer to receive the hash (Should be at least 64 bytes) - */ -static void x509_hash( const unsigned char *in, size_t len, int alg, - unsigned char *out ) -{ - switch( alg ) - { -#if defined(POLARSSL_MD2_C) - case SIG_RSA_MD2 : md2( in, len, out ); break; -#endif -#if defined(POLARSSL_MD4_C) - case SIG_RSA_MD4 : md4( in, len, out ); break; -#endif -#if defined(POLARSSL_MD5_C) - case SIG_RSA_MD5 : md5( in, len, out ); break; -#endif -#if defined(POLARSSL_SHA1_C) - case SIG_RSA_SHA1 : sha1( in, len, out ); break; -#endif -#if defined(POLARSSL_SHA2_C) - case SIG_RSA_SHA224 : sha2( in, len, out, 1 ); break; - case SIG_RSA_SHA256 : sha2( in, len, out, 0 ); break; -#endif -#if defined(POLARSSL_SHA4_C) - case SIG_RSA_SHA384 : sha4( in, len, out, 1 ); break; - case SIG_RSA_SHA512 : sha4( in, len, out, 0 ); break; -#endif - default: - memset( out, '\xFF', 64 ); - break; - } -} - -/* - * Check that the given certificate is valid accoring to the CRL. - */ -static int x509parse_verifycrl(x509_cert *crt, x509_cert *ca, - x509_crl *crl_list) -{ - int flags = 0; - int hash_id; - unsigned char hash[64]; - - /* - * TODO: What happens if no CRL is present? - * Suggestion: Revocation state should be unknown if no CRL is present. - * For backwards compatibility this is not yet implemented. - */ - - while( ca != NULL && crl_list != NULL && crl_list->version != 0 ) - { - if( crl_list->issuer_raw.len != ca->subject_raw.len || - memcmp( crl_list->issuer_raw.p, ca->subject_raw.p, - crl_list->issuer_raw.len ) != 0 ) - { - crl_list = crl_list->next; - continue; - } - - /* - * Check if CRL is correctly signed by the trusted CA - */ - hash_id = crl_list->sig_alg; - - x509_hash( crl_list->tbs.p, crl_list->tbs.len, hash_id, hash ); - - if( !rsa_pkcs1_verify( &ca->rsa, RSA_PUBLIC, hash_id, - 0, hash, crl_list->sig.p ) == 0 ) - { - /* - * CRL is not trusted - */ - flags |= BADCRL_NOT_TRUSTED; - break; - } - - /* - * Check for validity of CRL (Do not drop out) - */ - if( x509parse_time_expired( &crl_list->next_update ) ) - flags |= BADCRL_EXPIRED; - - /* - * Check if certificate is revoked - */ - if( x509parse_revoked(crt, crl_list) ) - { - flags |= BADCERT_REVOKED; - break; - } - - crl_list = crl_list->next; - } - return flags; -} - -int x509_wildcard_verify( const char *cn, x509_buf *name ) -{ - size_t i; - size_t cn_idx = 0; - - if( name->len < 3 || name->p[0] != '*' || name->p[1] != '.' ) - return( 0 ); - - for( i = 0; i < strlen( cn ); ++i ) - { - if( cn[i] == '.' ) - { - cn_idx = i; - break; - } - } - - if( cn_idx == 0 ) - return( 0 ); - - if( memcmp( name->p + 1, cn + cn_idx, name->len - 1 ) == 0 && - strlen( cn ) - cn_idx == name->len - 1 ) - { - return( 1 ); - } - - return( 0 ); -} - -/* - * Verify the certificate validity - */ -int x509parse_verify( x509_cert *crt, - x509_cert *trust_ca, - x509_crl *ca_crl, - const char *cn, int *flags, - int (*f_vrfy)(void *, x509_cert *, int, int), - void *p_vrfy ) -{ - size_t cn_len; - int hash_id; - int pathlen; - x509_cert *parent; - x509_name *name; - unsigned char hash[64]; - x509_sequence *cur = NULL; - - *flags = 0; - - if( x509parse_time_expired( &crt->valid_to ) ) - *flags = BADCERT_EXPIRED; - - if( cn != NULL ) - { - name = &crt->subject; - cn_len = strlen( cn ); - - while( name != NULL ) - { - if( memcmp( name->oid.p, OID_CN, 3 ) == 0 ) - { - if( memcmp( name->val.p, cn, cn_len ) == 0 && - name->val.len == cn_len ) - break; - - if( memcmp( name->val.p, "*.", 2 ) == 0 && - x509_wildcard_verify( cn, &name->val ) ) - break; - } - - name = name->next; - } - - if( name == NULL ) - { - if( crt->ext_types & EXT_SUBJECT_ALT_NAME ) - { - cur = &crt->subject_alt_names; - - while( cur != NULL ) - { - if( memcmp( cn, cur->buf.p, cn_len ) == 0 && - cur->buf.len == cn_len ) - break; - - if( memcmp( cur->buf.p, "*.", 2 ) == 0 && - x509_wildcard_verify( cn, &cur->buf ) ) - break; - - cur = cur->next; - } - } - - if( cur == NULL ) - *flags |= BADCERT_CN_MISMATCH; - } - } - - /* - * Iterate upwards in the given cert chain, - * ignoring any upper cert with CA != TRUE. - */ - parent = crt->next; - - pathlen = 1; - - while( parent != NULL && parent->version != 0 ) - { - if( parent->ca_istrue == 0 || - crt->issuer_raw.len != parent->subject_raw.len || - memcmp( crt->issuer_raw.p, parent->subject_raw.p, - crt->issuer_raw.len ) != 0 ) - { - parent = parent->next; - continue; - } - - hash_id = crt->sig_alg; - - x509_hash( crt->tbs.p, crt->tbs.len, hash_id, hash ); - - if( rsa_pkcs1_verify( &parent->rsa, RSA_PUBLIC, hash_id, 0, hash, - crt->sig.p ) != 0 ) - *flags |= BADCERT_NOT_TRUSTED; - - /* Check trusted CA's CRL for the given crt */ - *flags |= x509parse_verifycrl(crt, parent, ca_crl); - - /* crt is verified to be a child of the parent cur, call verify callback */ - if( NULL != f_vrfy ) - { - if( f_vrfy( p_vrfy, crt, pathlen - 1, ( *flags == 0 ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_VERIFY_FAILED ); - else - *flags = 0; - } - else if( *flags != 0 ) - return( POLARSSL_ERR_X509_CERT_VERIFY_FAILED ); - - pathlen++; - - crt = parent; - parent = crt->next; - } - - /* - * Attempt to validate topmost cert with our CA chain. - */ - *flags |= BADCERT_NOT_TRUSTED; - - while( trust_ca != NULL && trust_ca->version != 0 ) - { - if( crt->issuer_raw.len != trust_ca->subject_raw.len || - memcmp( crt->issuer_raw.p, trust_ca->subject_raw.p, - crt->issuer_raw.len ) != 0 ) - { - trust_ca = trust_ca->next; - continue; - } - - if( trust_ca->max_pathlen > 0 && - trust_ca->max_pathlen < pathlen ) - break; - - hash_id = crt->sig_alg; - - x509_hash( crt->tbs.p, crt->tbs.len, hash_id, hash ); - - if( rsa_pkcs1_verify( &trust_ca->rsa, RSA_PUBLIC, hash_id, - 0, hash, crt->sig.p ) == 0 ) - { - /* - * cert. is signed by a trusted CA - */ - *flags &= ~BADCERT_NOT_TRUSTED; - break; - } - - trust_ca = trust_ca->next; - } - - /* Check trusted CA's CRL for the given crt */ - *flags |= x509parse_verifycrl( crt, trust_ca, ca_crl ); - - /* Verification succeeded, call callback on top cert */ - if( NULL != f_vrfy ) - { - if( f_vrfy(p_vrfy, crt, pathlen-1, ( *flags == 0 ) ) != 0 ) - return( POLARSSL_ERR_X509_CERT_VERIFY_FAILED ); - else - *flags = 0; - } - else if( *flags != 0 ) - return( POLARSSL_ERR_X509_CERT_VERIFY_FAILED ); - - return( 0 ); -} - -/* - * Unallocate all certificate data - */ -void x509_free( x509_cert *crt ) -{ - x509_cert *cert_cur = crt; - x509_cert *cert_prv; - x509_name *name_cur; - x509_name *name_prv; - x509_sequence *seq_cur; - x509_sequence *seq_prv; - - if( crt == NULL ) - return; - - do - { - rsa_free( &cert_cur->rsa ); - - name_cur = cert_cur->issuer.next; - while( name_cur != NULL ) - { - name_prv = name_cur; - name_cur = name_cur->next; - memset( name_prv, 0, sizeof( x509_name ) ); - free( name_prv ); - } - - name_cur = cert_cur->subject.next; - while( name_cur != NULL ) - { - name_prv = name_cur; - name_cur = name_cur->next; - memset( name_prv, 0, sizeof( x509_name ) ); - free( name_prv ); - } - - seq_cur = cert_cur->ext_key_usage.next; - while( seq_cur != NULL ) - { - seq_prv = seq_cur; - seq_cur = seq_cur->next; - memset( seq_prv, 0, sizeof( x509_sequence ) ); - free( seq_prv ); - } - - seq_cur = cert_cur->subject_alt_names.next; - while( seq_cur != NULL ) - { - seq_prv = seq_cur; - seq_cur = seq_cur->next; - memset( seq_prv, 0, sizeof( x509_sequence ) ); - free( seq_prv ); - } - - if( cert_cur->raw.p != NULL ) - { - memset( cert_cur->raw.p, 0, cert_cur->raw.len ); - free( cert_cur->raw.p ); - } - - cert_cur = cert_cur->next; - } - while( cert_cur != NULL ); - - cert_cur = crt; - do - { - cert_prv = cert_cur; - cert_cur = cert_cur->next; - - memset( cert_prv, 0, sizeof( x509_cert ) ); - if( cert_prv != crt ) - free( cert_prv ); - } - while( cert_cur != NULL ); -} - -/* - * Unallocate all CRL data - */ -void x509_crl_free( x509_crl *crl ) -{ - x509_crl *crl_cur = crl; - x509_crl *crl_prv; - x509_name *name_cur; - x509_name *name_prv; - x509_crl_entry *entry_cur; - x509_crl_entry *entry_prv; - - if( crl == NULL ) - return; - - do - { - name_cur = crl_cur->issuer.next; - while( name_cur != NULL ) - { - name_prv = name_cur; - name_cur = name_cur->next; - memset( name_prv, 0, sizeof( x509_name ) ); - free( name_prv ); - } - - entry_cur = crl_cur->entry.next; - while( entry_cur != NULL ) - { - entry_prv = entry_cur; - entry_cur = entry_cur->next; - memset( entry_prv, 0, sizeof( x509_crl_entry ) ); - free( entry_prv ); - } - - if( crl_cur->raw.p != NULL ) - { - memset( crl_cur->raw.p, 0, crl_cur->raw.len ); - free( crl_cur->raw.p ); - } - - crl_cur = crl_cur->next; - } - while( crl_cur != NULL ); - - crl_cur = crl; - do - { - crl_prv = crl_cur; - crl_cur = crl_cur->next; - - memset( crl_prv, 0, sizeof( x509_crl ) ); - if( crl_prv != crl ) - free( crl_prv ); - } - while( crl_cur != NULL ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include "polarssl/certs.h" - -/* - * Checkup routine - */ -int x509_self_test( int verbose ) -{ -#if defined(POLARSSL_CERTS_C) && defined(POLARSSL_MD5_C) - int ret; - int flags; - size_t i, j; - x509_cert cacert; - x509_cert clicert; - rsa_context rsa; -#if defined(POLARSSL_DHM_C) - dhm_context dhm; -#endif - - if( verbose != 0 ) - printf( " X.509 certificate load: " ); - - memset( &clicert, 0, sizeof( x509_cert ) ); - - ret = x509parse_crt( &clicert, (unsigned char *) test_cli_crt, - strlen( test_cli_crt ) ); - if( ret != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( ret ); - } - - memset( &cacert, 0, sizeof( x509_cert ) ); - - ret = x509parse_crt( &cacert, (unsigned char *) test_ca_crt, - strlen( test_ca_crt ) ); - if( ret != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( ret ); - } - - if( verbose != 0 ) - printf( "passed\n X.509 private key load: " ); - - i = strlen( test_ca_key ); - j = strlen( test_ca_pwd ); - - rsa_init( &rsa, RSA_PKCS_V15, 0 ); - - if( ( ret = x509parse_key( &rsa, - (unsigned char *) test_ca_key, i, - (unsigned char *) test_ca_pwd, j ) ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( ret ); - } - - if( verbose != 0 ) - printf( "passed\n X.509 signature verify: "); - - ret = x509parse_verify( &clicert, &cacert, NULL, "PolarSSL Client 2", &flags, NULL, NULL ); - if( ret != 0 ) - { - printf("%02x", flags); - if( verbose != 0 ) - printf( "failed\n" ); - - return( ret ); - } - -#if defined(POLARSSL_DHM_C) - if( verbose != 0 ) - printf( "passed\n X.509 DHM parameter load: " ); - - i = strlen( test_dhm_params ); - j = strlen( test_ca_pwd ); - - if( ( ret = x509parse_dhm( &dhm, (unsigned char *) test_dhm_params, i ) ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( ret ); - } - - if( verbose != 0 ) - printf( "passed\n\n" ); -#endif - - x509_free( &cacert ); - x509_free( &clicert ); - rsa_free( &rsa ); -#if defined(POLARSSL_DHM_C) - dhm_free( &dhm ); -#endif - - return( 0 ); -#else - ((void) verbose); - return( POLARSSL_ERR_X509_FEATURE_UNAVAILABLE ); -#endif -} - -#endif - -#endif diff --git a/polarssl/src/library/x509write.c b/polarssl/src/library/x509write.c deleted file mode 100644 index 400ffa0..0000000 --- a/polarssl/src/library/x509write.c +++ /dev/null @@ -1,287 +0,0 @@ -/* - * X509 buffer writing functionality - * - * Copyright (C) 2006-2012, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_X509_WRITE_C) - -#include "polarssl/asn1write.h" -#include "polarssl/x509write.h" -#include "polarssl/x509.h" -#include "polarssl/sha1.h" -#include "polarssl/sha2.h" -#include "polarssl/sha4.h" -#include "polarssl/md4.h" -#include "polarssl/md5.h" - -int x509_write_pubkey_der( unsigned char *buf, size_t size, rsa_context *rsa ) -{ - int ret; - unsigned char *c; - size_t len = 0; - - c = buf + size - 1; - - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->E ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->N ) ); - - ASN1_CHK_ADD( len, asn1_write_len( &c, buf, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - if( c - buf < 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - *--c = 0; - len += 1; - - ASN1_CHK_ADD( len, asn1_write_len( &c, buf, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, buf, ASN1_BIT_STRING ) ); - - ASN1_CHK_ADD( len, asn1_write_algorithm_identifier( &c, buf, OID_PKCS1_RSA ) ); - - ASN1_CHK_ADD( len, asn1_write_len( &c, buf, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - return( len ); -} - -int x509_write_key_der( unsigned char *buf, size_t size, rsa_context *rsa ) -{ - int ret; - unsigned char *c; - size_t len = 0; - - c = buf + size - 1; - - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->QP ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->DQ ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->DP ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->Q ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->P ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->D ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->E ) ); - ASN1_CHK_ADD( len, asn1_write_mpi( &c, buf, &rsa->N ) ); - ASN1_CHK_ADD( len, asn1_write_int( &c, buf, 0 ) ); - - ASN1_CHK_ADD( len, asn1_write_len( &c, buf, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - // TODO: Make NON RSA Specific variant later on -/* *--c = 0; - len += 1; - - len += asn1_write_len( &c, len); - len += asn1_write_tag( &c, ASN1_BIT_STRING ); - - len += asn1_write_oid( &c, OID_PKCS1_RSA ); - - len += asn1_write_int( &c, 0 ); - - len += asn1_write_len( &c, len); - len += asn1_write_tag( &c, ASN1_CONSTRUCTED | ASN1_SEQUENCE );*/ - -/* for(i = 0; i < len; ++i) - { - if (i % 16 == 0 ) printf("\n"); - printf("%02x ", c[i]); - } - printf("\n");*/ - - return( len ); -} - -int x509_write_name( unsigned char **p, unsigned char *start, char *oid, - char *name ) -{ - int ret; - size_t string_len = 0; - size_t oid_len = 0; - size_t len = 0; - - // Write PrintableString for all except OID_PKCS9_EMAIL - // - if( OID_SIZE( OID_PKCS9_EMAIL ) == strlen( oid ) && - memcmp( oid, OID_PKCS9_EMAIL, strlen( oid ) ) == 0 ) - { - ASN1_CHK_ADD( string_len, asn1_write_ia5_string( p, start, name ) ); - } - else - ASN1_CHK_ADD( string_len, asn1_write_printable_string( p, start, name ) ); - - // Write OID - // - ASN1_CHK_ADD( oid_len, asn1_write_oid( p, start, oid ) ); - - len = oid_len + string_len; - ASN1_CHK_ADD( len, asn1_write_len( p, start, oid_len + string_len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_CONSTRUCTED | ASN1_SET ) ); - - return( len ); -} - -/* - * Wrapper for x509 hashes. - * - * \param out Buffer to receive the hash (Should be at least 64 bytes) - */ -static void x509_hash( const unsigned char *in, size_t len, int alg, - unsigned char *out ) -{ - switch( alg ) - { -#if defined(POLARSSL_MD2_C) - case SIG_RSA_MD2 : md2( in, len, out ); break; -#endif -#if defined(POLARSSL_MD4_C) - case SIG_RSA_MD4 : md4( in, len, out ); break; -#endif -#if defined(POLARSSL_MD5_C) - case SIG_RSA_MD5 : md5( in, len, out ); break; -#endif -#if defined(POLARSSL_SHA1_C) - case SIG_RSA_SHA1 : sha1( in, len, out ); break; -#endif -#if defined(POLARSSL_SHA2_C) - case SIG_RSA_SHA224 : sha2( in, len, out, 1 ); break; - case SIG_RSA_SHA256 : sha2( in, len, out, 0 ); break; -#endif -#if defined(POLARSSL_SHA4_C) - case SIG_RSA_SHA384 : sha4( in, len, out, 1 ); break; - case SIG_RSA_SHA512 : sha4( in, len, out, 0 ); break; -#endif - default: - memset( out, '\xFF', 64 ); - break; - } -} - -int x509_write_sig( unsigned char **p, unsigned char *start, char *oid, - unsigned char *sig, size_t size ) -{ - int ret; - size_t len = 0; - - if( *p - start < (int) size + 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - len = size; - (*p) -= len; - memcpy( *p, sig, len ); - - *--(*p) = 0; - len += 1; - - ASN1_CHK_ADD( len, asn1_write_len( p, start, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( p, start, ASN1_BIT_STRING ) ); - - // Write OID - // - ASN1_CHK_ADD( len, asn1_write_algorithm_identifier( p, start, oid ) ); - - return( len ); -} - -int x509_write_cert_req( unsigned char *buf, size_t size, rsa_context *rsa, - x509_req_name *req_name, int hash_id ) -{ - int ret; - char sig_oid[10]; - unsigned char *c, *c2; - unsigned char hash[64]; - unsigned char sig[POLARSSL_MPI_MAX_SIZE]; - unsigned char tmp_buf[2048]; - size_t sub_len = 0, pub_len = 0, sig_len = 0; - size_t len = 0; - x509_req_name *cur = req_name; - - c = tmp_buf + 2048 - 1; - - ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, 0 ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_CONTEXT_SPECIFIC ) ); - - ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &rsa->E ) ); - ASN1_CHK_ADD( pub_len, asn1_write_mpi( &c, tmp_buf, &rsa->N ) ); - - ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) ); - ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - if( c - tmp_buf < 1 ) - return( POLARSSL_ERR_ASN1_BUF_TOO_SMALL ); - - *--c = 0; - pub_len += 1; - - ASN1_CHK_ADD( pub_len, asn1_write_len( &c, tmp_buf, pub_len ) ); - ASN1_CHK_ADD( pub_len, asn1_write_tag( &c, tmp_buf, ASN1_BIT_STRING ) ); - - ASN1_CHK_ADD( pub_len, asn1_write_algorithm_identifier( &c, tmp_buf, OID_PKCS1_RSA ) ); - - len += pub_len; - ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, pub_len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - while( cur != NULL ) - { - ASN1_CHK_ADD( sub_len, x509_write_name( &c, tmp_buf, cur->oid, cur->name ) ); - - cur = cur->next; - } - - len += sub_len; - ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, sub_len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - ASN1_CHK_ADD( len, asn1_write_int( &c, tmp_buf, 0 ) ); - - ASN1_CHK_ADD( len, asn1_write_len( &c, tmp_buf, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c, tmp_buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - x509_hash( c, len, hash_id, hash ); - - rsa_pkcs1_sign( rsa, NULL, NULL, RSA_PRIVATE, hash_id, 0, hash, sig ); - - // Generate correct OID - // - memcpy( sig_oid, OID_PKCS1, 8 ); - sig_oid[8] = hash_id; - sig_oid[9] = '\0'; - - c2 = buf + size - 1; - ASN1_CHK_ADD( sig_len, x509_write_sig( &c2, buf, sig_oid, sig, rsa->len ) ); - - c2 -= len; - memcpy( c2, c, len ); - - len += sig_len; - ASN1_CHK_ADD( len, asn1_write_len( &c2, buf, len ) ); - ASN1_CHK_ADD( len, asn1_write_tag( &c2, buf, ASN1_CONSTRUCTED | ASN1_SEQUENCE ) ); - - return( len ); -} - -#endif diff --git a/polarssl/src/library/xtea.c b/polarssl/src/library/xtea.c deleted file mode 100644 index bc473e5..0000000 --- a/polarssl/src/library/xtea.c +++ /dev/null @@ -1,248 +0,0 @@ -/* - * An 32-bit implementation of the XTEA algorithm - * - * Copyright (C) 2006-2010, Brainspark B.V. - * - * This file is part of PolarSSL (http://www.polarssl.org) - * Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org> - * - * All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. - */ - -#include "polarssl/config.h" - -#if defined(POLARSSL_XTEA_C) - -#include "polarssl/xtea.h" - -/* - * 32-bit integer manipulation macros (big endian) - */ -#ifndef GET_ULONG_BE -#define GET_ULONG_BE(n,b,i) \ -{ \ - (n) = ( (unsigned long) (b)[(i) ] << 24 ) \ - | ( (unsigned long) (b)[(i) + 1] << 16 ) \ - | ( (unsigned long) (b)[(i) + 2] << 8 ) \ - | ( (unsigned long) (b)[(i) + 3] ); \ -} -#endif - -#ifndef PUT_ULONG_BE -#define PUT_ULONG_BE(n,b,i) \ -{ \ - (b)[(i) ] = (unsigned char) ( (n) >> 24 ); \ - (b)[(i) + 1] = (unsigned char) ( (n) >> 16 ); \ - (b)[(i) + 2] = (unsigned char) ( (n) >> 8 ); \ - (b)[(i) + 3] = (unsigned char) ( (n) ); \ -} -#endif - -/* - * XTEA key schedule - */ -void xtea_setup( xtea_context *ctx, unsigned char key[16] ) -{ - int i; - - memset(ctx, 0, sizeof(xtea_context)); - - for( i = 0; i < 4; i++ ) - { - GET_ULONG_BE( ctx->k[i], key, i << 2 ); - } -} - -/* - * XTEA encrypt function - */ -int xtea_crypt_ecb( xtea_context *ctx, int mode, unsigned char input[8], - unsigned char output[8]) -{ - uint32_t *k, v0, v1, i; - - k = ctx->k; - - GET_ULONG_BE( v0, input, 0 ); - GET_ULONG_BE( v1, input, 4 ); - - if( mode == XTEA_ENCRYPT ) - { - uint32_t sum = 0, delta = 0x9E3779B9; - - for( i = 0; i < 32; i++ ) - { - v0 += (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum + k[sum & 3]); - sum += delta; - v1 += (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum>>11) & 3]); - } - } - else /* XTEA_DECRYPT */ - { - uint32_t delta = 0x9E3779B9, sum = delta * 32; - - for( i = 0; i < 32; i++ ) - { - v1 -= (((v0 << 4) ^ (v0 >> 5)) + v0) ^ (sum + k[(sum>>11) & 3]); - sum -= delta; - v0 -= (((v1 << 4) ^ (v1 >> 5)) + v1) ^ (sum + k[sum & 3]); - } - } - - PUT_ULONG_BE( v0, output, 0 ); - PUT_ULONG_BE( v1, output, 4 ); - - return( 0 ); -} - -/* - * XTEA-CBC buffer encryption/decryption - */ -int xtea_crypt_cbc( xtea_context *ctx, - int mode, - size_t length, - unsigned char iv[8], - unsigned char *input, - unsigned char *output) -{ - int i; - unsigned char temp[8]; - - if(length % 8) - return( POLARSSL_ERR_XTEA_INVALID_INPUT_LENGTH ); - - if( mode == XTEA_DECRYPT ) - { - while( length > 0 ) - { - memcpy( temp, input, 8 ); - xtea_crypt_ecb( ctx, mode, input, output ); - - for(i = 0; i < 8; i++) - output[i] = (unsigned char)( output[i] ^ iv[i] ); - - memcpy( iv, temp, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - else - { - while( length > 0 ) - { - for( i = 0; i < 8; i++ ) - output[i] = (unsigned char)( input[i] ^ iv[i] ); - - xtea_crypt_ecb( ctx, mode, output, output ); - memcpy( iv, output, 8 ); - - input += 8; - output += 8; - length -= 8; - } - } - - return( 0 ); -} - -#if defined(POLARSSL_SELF_TEST) - -#include <string.h> -#include <stdio.h> - -/* - * XTEA tests vectors (non-official) - */ - -static const unsigned char xtea_test_key[6][16] = -{ - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, - 0x0c, 0x0d, 0x0e, 0x0f }, - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, - 0x0c, 0x0d, 0x0e, 0x0f }, - { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, - 0x0c, 0x0d, 0x0e, 0x0f }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 }, - { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, - 0x00, 0x00, 0x00, 0x00 } -}; - -static const unsigned char xtea_test_pt[6][8] = -{ - { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48 }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, - { 0x5a, 0x5b, 0x6e, 0x27, 0x89, 0x48, 0xd7, 0x7f }, - { 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, 0x48 }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, - { 0x70, 0xe1, 0x22, 0x5d, 0x6e, 0x4e, 0x76, 0x55 } -}; - -static const unsigned char xtea_test_ct[6][8] = -{ - { 0x49, 0x7d, 0xf3, 0xd0, 0x72, 0x61, 0x2c, 0xb5 }, - { 0xe7, 0x8f, 0x2d, 0x13, 0x74, 0x43, 0x41, 0xd8 }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 }, - { 0xa0, 0x39, 0x05, 0x89, 0xf8, 0xb8, 0xef, 0xa5 }, - { 0xed, 0x23, 0x37, 0x5a, 0x82, 0x1a, 0x8c, 0x2d }, - { 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41, 0x41 } -}; - -/* - * Checkup routine - */ -int xtea_self_test( int verbose ) -{ - int i; - unsigned char buf[8]; - xtea_context ctx; - - for( i = 0; i < 6; i++ ) - { - if( verbose != 0 ) - printf( " XTEA test #%d: ", i + 1 ); - - memcpy( buf, xtea_test_pt[i], 8 ); - - xtea_setup( &ctx, (unsigned char *) xtea_test_key[i] ); - xtea_crypt_ecb( &ctx, XTEA_ENCRYPT, buf, buf ); - - if( memcmp( buf, xtea_test_ct[i], 8 ) != 0 ) - { - if( verbose != 0 ) - printf( "failed\n" ); - - return( 1 ); - } - - if( verbose != 0 ) - printf( "passed\n" ); - } - - if( verbose != 0 ) - printf( "\n" ); - - return( 0 ); -} - -#endif - -#endif |