From 682f23e7bb4a52bedf46eff5c4859e1308eda124 Mon Sep 17 00:00:00 2001 From: Michał Cichoń Date: Tue, 25 Aug 2015 19:56:24 +0200 Subject: Update build ref --- polarssl/src/library/arc4.c | 169 -------------------------------------------- 1 file changed, 169 deletions(-) delete mode 100644 polarssl/src/library/arc4.c (limited to 'polarssl/src/library/arc4.c') 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 - * - * 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 -#include - -/* - * 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 -- cgit v1.2.3