From 5ac03256db0fe4ca7e3ad1117d096c3a76368b76 Mon Sep 17 00:00:00 2001 From: Andreas Baumann Date: Fri, 9 Jan 2015 09:46:07 +0100 Subject: backported CyaSSL/OpenSSL support for internal webserver instead of MatrixSSL --- release/src/router/cyassl/ctaocrypt/src/md5.c | 222 ++++++++++++++++++++++++++ 1 file changed, 222 insertions(+) create mode 100644 release/src/router/cyassl/ctaocrypt/src/md5.c (limited to 'release/src/router/cyassl/ctaocrypt/src/md5.c') diff --git a/release/src/router/cyassl/ctaocrypt/src/md5.c b/release/src/router/cyassl/ctaocrypt/src/md5.c new file mode 100644 index 00000000..6ee957ae --- /dev/null +++ b/release/src/router/cyassl/ctaocrypt/src/md5.c @@ -0,0 +1,222 @@ +/* md5.c + * + * Copyright (C) 2006-2011 Sawtooth Consulting Ltd. + * + * This file is part of CyaSSL. + * + * CyaSSL 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. + * + * CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + */ + + +#include "ctc_md5.h" +#ifdef NO_INLINE + #include "misc.h" +#else + #include "misc.c" +#endif + + + +#ifndef min + + static INLINE word32 min(word32 a, word32 b) + { + return a > b ? b : a; + } + +#endif /* min */ + + +void InitMd5(Md5* md5) +{ + md5->digest[0] = 0x67452301L; + md5->digest[1] = 0xefcdab89L; + md5->digest[2] = 0x98badcfeL; + md5->digest[3] = 0x10325476L; + + md5->buffLen = 0; + md5->loLen = 0; + md5->hiLen = 0; +} + + +static void Transform(Md5* md5) +{ +#define F1(x, y, z) (z ^ (x & (y ^ z))) +#define F2(x, y, z) F1(z, x, y) +#define F3(x, y, z) (x ^ y ^ z) +#define F4(x, y, z) (y ^ (x | ~z)) + +#define MD5STEP(f, w, x, y, z, data, s) \ + w = rotlFixed(w + f(x, y, z) + data, s) + x + + /* Copy context->state[] to working vars */ + word32 a = md5->digest[0]; + word32 b = md5->digest[1]; + word32 c = md5->digest[2]; + word32 d = md5->digest[3]; + + MD5STEP(F1, a, b, c, d, md5->buffer[0] + 0xd76aa478, 7); + MD5STEP(F1, d, a, b, c, md5->buffer[1] + 0xe8c7b756, 12); + MD5STEP(F1, c, d, a, b, md5->buffer[2] + 0x242070db, 17); + MD5STEP(F1, b, c, d, a, md5->buffer[3] + 0xc1bdceee, 22); + MD5STEP(F1, a, b, c, d, md5->buffer[4] + 0xf57c0faf, 7); + MD5STEP(F1, d, a, b, c, md5->buffer[5] + 0x4787c62a, 12); + MD5STEP(F1, c, d, a, b, md5->buffer[6] + 0xa8304613, 17); + MD5STEP(F1, b, c, d, a, md5->buffer[7] + 0xfd469501, 22); + MD5STEP(F1, a, b, c, d, md5->buffer[8] + 0x698098d8, 7); + MD5STEP(F1, d, a, b, c, md5->buffer[9] + 0x8b44f7af, 12); + MD5STEP(F1, c, d, a, b, md5->buffer[10] + 0xffff5bb1, 17); + MD5STEP(F1, b, c, d, a, md5->buffer[11] + 0x895cd7be, 22); + MD5STEP(F1, a, b, c, d, md5->buffer[12] + 0x6b901122, 7); + MD5STEP(F1, d, a, b, c, md5->buffer[13] + 0xfd987193, 12); + MD5STEP(F1, c, d, a, b, md5->buffer[14] + 0xa679438e, 17); + MD5STEP(F1, b, c, d, a, md5->buffer[15] + 0x49b40821, 22); + + MD5STEP(F2, a, b, c, d, md5->buffer[1] + 0xf61e2562, 5); + MD5STEP(F2, d, a, b, c, md5->buffer[6] + 0xc040b340, 9); + MD5STEP(F2, c, d, a, b, md5->buffer[11] + 0x265e5a51, 14); + MD5STEP(F2, b, c, d, a, md5->buffer[0] + 0xe9b6c7aa, 20); + MD5STEP(F2, a, b, c, d, md5->buffer[5] + 0xd62f105d, 5); + MD5STEP(F2, d, a, b, c, md5->buffer[10] + 0x02441453, 9); + MD5STEP(F2, c, d, a, b, md5->buffer[15] + 0xd8a1e681, 14); + MD5STEP(F2, b, c, d, a, md5->buffer[4] + 0xe7d3fbc8, 20); + MD5STEP(F2, a, b, c, d, md5->buffer[9] + 0x21e1cde6, 5); + MD5STEP(F2, d, a, b, c, md5->buffer[14] + 0xc33707d6, 9); + MD5STEP(F2, c, d, a, b, md5->buffer[3] + 0xf4d50d87, 14); + MD5STEP(F2, b, c, d, a, md5->buffer[8] + 0x455a14ed, 20); + MD5STEP(F2, a, b, c, d, md5->buffer[13] + 0xa9e3e905, 5); + MD5STEP(F2, d, a, b, c, md5->buffer[2] + 0xfcefa3f8, 9); + MD5STEP(F2, c, d, a, b, md5->buffer[7] + 0x676f02d9, 14); + MD5STEP(F2, b, c, d, a, md5->buffer[12] + 0x8d2a4c8a, 20); + + MD5STEP(F3, a, b, c, d, md5->buffer[5] + 0xfffa3942, 4); + MD5STEP(F3, d, a, b, c, md5->buffer[8] + 0x8771f681, 11); + MD5STEP(F3, c, d, a, b, md5->buffer[11] + 0x6d9d6122, 16); + MD5STEP(F3, b, c, d, a, md5->buffer[14] + 0xfde5380c, 23); + MD5STEP(F3, a, b, c, d, md5->buffer[1] + 0xa4beea44, 4); + MD5STEP(F3, d, a, b, c, md5->buffer[4] + 0x4bdecfa9, 11); + MD5STEP(F3, c, d, a, b, md5->buffer[7] + 0xf6bb4b60, 16); + MD5STEP(F3, b, c, d, a, md5->buffer[10] + 0xbebfbc70, 23); + MD5STEP(F3, a, b, c, d, md5->buffer[13] + 0x289b7ec6, 4); + MD5STEP(F3, d, a, b, c, md5->buffer[0] + 0xeaa127fa, 11); + MD5STEP(F3, c, d, a, b, md5->buffer[3] + 0xd4ef3085, 16); + MD5STEP(F3, b, c, d, a, md5->buffer[6] + 0x04881d05, 23); + MD5STEP(F3, a, b, c, d, md5->buffer[9] + 0xd9d4d039, 4); + MD5STEP(F3, d, a, b, c, md5->buffer[12] + 0xe6db99e5, 11); + MD5STEP(F3, c, d, a, b, md5->buffer[15] + 0x1fa27cf8, 16); + MD5STEP(F3, b, c, d, a, md5->buffer[2] + 0xc4ac5665, 23); + + MD5STEP(F4, a, b, c, d, md5->buffer[0] + 0xf4292244, 6); + MD5STEP(F4, d, a, b, c, md5->buffer[7] + 0x432aff97, 10); + MD5STEP(F4, c, d, a, b, md5->buffer[14] + 0xab9423a7, 15); + MD5STEP(F4, b, c, d, a, md5->buffer[5] + 0xfc93a039, 21); + MD5STEP(F4, a, b, c, d, md5->buffer[12] + 0x655b59c3, 6); + MD5STEP(F4, d, a, b, c, md5->buffer[3] + 0x8f0ccc92, 10); + MD5STEP(F4, c, d, a, b, md5->buffer[10] + 0xffeff47d, 15); + MD5STEP(F4, b, c, d, a, md5->buffer[1] + 0x85845dd1, 21); + MD5STEP(F4, a, b, c, d, md5->buffer[8] + 0x6fa87e4f, 6); + MD5STEP(F4, d, a, b, c, md5->buffer[15] + 0xfe2ce6e0, 10); + MD5STEP(F4, c, d, a, b, md5->buffer[6] + 0xa3014314, 15); + MD5STEP(F4, b, c, d, a, md5->buffer[13] + 0x4e0811a1, 21); + MD5STEP(F4, a, b, c, d, md5->buffer[4] + 0xf7537e82, 6); + MD5STEP(F4, d, a, b, c, md5->buffer[11] + 0xbd3af235, 10); + MD5STEP(F4, c, d, a, b, md5->buffer[2] + 0x2ad7d2bb, 15); + MD5STEP(F4, b, c, d, a, md5->buffer[9] + 0xeb86d391, 21); + + /* Add the working vars back into digest state[] */ + md5->digest[0] += a; + md5->digest[1] += b; + md5->digest[2] += c; + md5->digest[3] += d; +} + + +static INLINE void AddLength(Md5* md5, word32 len) +{ + word32 tmp = md5->loLen; + if ( (md5->loLen += len) < tmp) + md5->hiLen++; /* carry low to high */ +} + + +void Md5Update(Md5* md5, const byte* data, word32 len) +{ + /* do block size increments */ + byte* local = (byte*)md5->buffer; + + while (len) { + word32 add = min(len, MD5_BLOCK_SIZE - md5->buffLen); + XMEMCPY(&local[md5->buffLen], data, add); + + md5->buffLen += add; + data += add; + len -= add; + + if (md5->buffLen == MD5_BLOCK_SIZE) { + #ifdef BIG_ENDIAN_ORDER + ByteReverseBytes(local, local, MD5_BLOCK_SIZE); + #endif + Transform(md5); + AddLength(md5, MD5_BLOCK_SIZE); + md5->buffLen = 0; + } + } +} + + +void Md5Final(Md5* md5, byte* hash) +{ + byte* local = (byte*)md5->buffer; + + AddLength(md5, md5->buffLen); /* before adding pads */ + + local[md5->buffLen++] = 0x80; /* add 1 */ + + /* pad with zeros */ + if (md5->buffLen > MD5_PAD_SIZE) { + XMEMSET(&local[md5->buffLen], 0, MD5_BLOCK_SIZE - md5->buffLen); + md5->buffLen += MD5_BLOCK_SIZE - md5->buffLen; + + #ifdef BIG_ENDIAN_ORDER + ByteReverseBytes(local, local, MD5_BLOCK_SIZE); + #endif + Transform(md5); + md5->buffLen = 0; + } + XMEMSET(&local[md5->buffLen], 0, MD5_PAD_SIZE - md5->buffLen); + + /* put lengths in bits */ + md5->loLen = md5->loLen << 3; + md5->hiLen = (md5->loLen >> (8*sizeof(md5->loLen) - 3)) + + (md5->hiLen << 3); + + /* store lengths */ + #ifdef BIG_ENDIAN_ORDER + ByteReverseBytes(local, local, MD5_BLOCK_SIZE); + #endif + /* ! length ordering dependent on digest endian type ! */ + XMEMCPY(&local[MD5_PAD_SIZE], &md5->loLen, sizeof(word32)); + XMEMCPY(&local[MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32)); + + Transform(md5); + #ifdef BIG_ENDIAN_ORDER + ByteReverseWords(md5->digest, md5->digest, MD5_DIGEST_SIZE); + #endif + XMEMCPY(hash, md5->digest, MD5_DIGEST_SIZE); + + InitMd5(md5); /* reset state */ +} + -- cgit v1.2.3-54-g00ecf