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-rw-r--r--polarssl/src/library/camellia.c1032
1 files changed, 0 insertions, 1032 deletions
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