MultiTech / CyaSSL

A library for setting up Secure Socket Layer (SSL) connections and verifying remote hosts using certificates. Contains only the source files for mbed platform implementation of the library.

Dependents:   HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL HTTPClient-SSL

ctaocrypt/src/md5.c@0:b86d15c6ba29, 2015-01-19 (annotated)

Committer:
Vanger
Date:
Mon Jan 19 21:45:42 2015 +0000
Revision:
0:b86d15c6ba29
Updated CyaSSL Library to 3.3.0. Changed Settings and functions to be implemented for mbed platforms

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Vanger 0:b86d15c6ba29 1 /* md5.c
Vanger 0:b86d15c6ba29 2 *
Vanger 0:b86d15c6ba29 3 * Copyright (C) 2006-2014 wolfSSL Inc.
Vanger 0:b86d15c6ba29 4 *
Vanger 0:b86d15c6ba29 5 * This file is part of CyaSSL.
Vanger 0:b86d15c6ba29 6 *
Vanger 0:b86d15c6ba29 7 * CyaSSL is free software; you can redistribute it and/or modify
Vanger 0:b86d15c6ba29 8 * it under the terms of the GNU General Public License as published by
Vanger 0:b86d15c6ba29 9 * the Free Software Foundation; either version 2 of the License, or
Vanger 0:b86d15c6ba29 10 * (at your option) any later version.
Vanger 0:b86d15c6ba29 11 *
Vanger 0:b86d15c6ba29 12 * CyaSSL is distributed in the hope that it will be useful,
Vanger 0:b86d15c6ba29 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
Vanger 0:b86d15c6ba29 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
Vanger 0:b86d15c6ba29 15 * GNU General Public License for more details.
Vanger 0:b86d15c6ba29 16 *
Vanger 0:b86d15c6ba29 17 * You should have received a copy of the GNU General Public License
Vanger 0:b86d15c6ba29 18 * along with this program; if not, write to the Free Software
Vanger 0:b86d15c6ba29 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
Vanger 0:b86d15c6ba29 20 */
Vanger 0:b86d15c6ba29 21
Vanger 0:b86d15c6ba29 22
Vanger 0:b86d15c6ba29 23 #ifdef HAVE_CONFIG_H
Vanger 0:b86d15c6ba29 24 #include <config.h>
Vanger 0:b86d15c6ba29 25 #endif
Vanger 0:b86d15c6ba29 26
Vanger 0:b86d15c6ba29 27 #include <cyassl/ctaocrypt/settings.h>
Vanger 0:b86d15c6ba29 28
Vanger 0:b86d15c6ba29 29 #if !defined(NO_MD5)
Vanger 0:b86d15c6ba29 30
Vanger 0:b86d15c6ba29 31 #ifdef CYASSL_PIC32MZ_HASH
Vanger 0:b86d15c6ba29 32 #define InitMd5 InitMd5_sw
Vanger 0:b86d15c6ba29 33 #define Md5Update Md5Update_sw
Vanger 0:b86d15c6ba29 34 #define Md5Final Md5Final_sw
Vanger 0:b86d15c6ba29 35 #endif
Vanger 0:b86d15c6ba29 36
Vanger 0:b86d15c6ba29 37 #include <cyassl/ctaocrypt/md5.h>
Vanger 0:b86d15c6ba29 38 #include <cyassl/ctaocrypt/error-crypt.h>
Vanger 0:b86d15c6ba29 39
Vanger 0:b86d15c6ba29 40 #ifdef NO_INLINE
Vanger 0:b86d15c6ba29 41 #include <cyassl/ctaocrypt/misc.h>
Vanger 0:b86d15c6ba29 42 #else
Vanger 0:b86d15c6ba29 43 #include <ctaocrypt/src/misc.c>
Vanger 0:b86d15c6ba29 44 #endif
Vanger 0:b86d15c6ba29 45
Vanger 0:b86d15c6ba29 46 #ifdef FREESCALE_MMCAU
Vanger 0:b86d15c6ba29 47 #include "cau_api.h"
Vanger 0:b86d15c6ba29 48 #define XTRANSFORM(S,B) cau_md5_hash_n((B), 1, (unsigned char*)(S)->digest)
Vanger 0:b86d15c6ba29 49 #else
Vanger 0:b86d15c6ba29 50 #define XTRANSFORM(S,B) Transform((S))
Vanger 0:b86d15c6ba29 51 #endif
Vanger 0:b86d15c6ba29 52
Vanger 0:b86d15c6ba29 53
Vanger 0:b86d15c6ba29 54 #ifdef STM32F2_HASH
Vanger 0:b86d15c6ba29 55 /*
Vanger 0:b86d15c6ba29 56 * STM32F2 hardware MD5 support through the STM32F2 standard peripheral
Vanger 0:b86d15c6ba29 57 * library. Documentation located in STM32F2xx Standard Peripheral Library
Vanger 0:b86d15c6ba29 58 * document (See note in README).
Vanger 0:b86d15c6ba29 59 */
Vanger 0:b86d15c6ba29 60 #include "stm32f2xx.h"
Vanger 0:b86d15c6ba29 61
Vanger 0:b86d15c6ba29 62 void InitMd5(Md5* md5)
Vanger 0:b86d15c6ba29 63 {
Vanger 0:b86d15c6ba29 64 /* STM32F2 struct notes:
Vanger 0:b86d15c6ba29 65 * md5->buffer = first 4 bytes used to hold partial block if needed
Vanger 0:b86d15c6ba29 66 * md5->buffLen = num bytes currently stored in md5->buffer
Vanger 0:b86d15c6ba29 67 * md5->loLen = num bytes that have been written to STM32 FIFO
Vanger 0:b86d15c6ba29 68 */
Vanger 0:b86d15c6ba29 69 XMEMSET(md5->buffer, 0, MD5_REG_SIZE);
Vanger 0:b86d15c6ba29 70
Vanger 0:b86d15c6ba29 71 md5->buffLen = 0;
Vanger 0:b86d15c6ba29 72 md5->loLen = 0;
Vanger 0:b86d15c6ba29 73
Vanger 0:b86d15c6ba29 74 /* initialize HASH peripheral */
Vanger 0:b86d15c6ba29 75 HASH_DeInit();
Vanger 0:b86d15c6ba29 76
Vanger 0:b86d15c6ba29 77 /* configure algo used, algo mode, datatype */
Vanger 0:b86d15c6ba29 78 HASH->CR &= ~ (HASH_CR_ALGO | HASH_CR_DATATYPE | HASH_CR_MODE);
Vanger 0:b86d15c6ba29 79 HASH->CR |= (HASH_AlgoSelection_MD5 | HASH_AlgoMode_HASH
Vanger 0:b86d15c6ba29 80 | HASH_DataType_8b);
Vanger 0:b86d15c6ba29 81
Vanger 0:b86d15c6ba29 82 /* reset HASH processor */
Vanger 0:b86d15c6ba29 83 HASH->CR |= HASH_CR_INIT;
Vanger 0:b86d15c6ba29 84 }
Vanger 0:b86d15c6ba29 85
Vanger 0:b86d15c6ba29 86 void Md5Update(Md5* md5, const byte* data, word32 len)
Vanger 0:b86d15c6ba29 87 {
Vanger 0:b86d15c6ba29 88 word32 i = 0;
Vanger 0:b86d15c6ba29 89 word32 fill = 0;
Vanger 0:b86d15c6ba29 90 word32 diff = 0;
Vanger 0:b86d15c6ba29 91
Vanger 0:b86d15c6ba29 92 /* if saved partial block is available */
Vanger 0:b86d15c6ba29 93 if (md5->buffLen > 0) {
Vanger 0:b86d15c6ba29 94 fill = 4 - md5->buffLen;
Vanger 0:b86d15c6ba29 95
Vanger 0:b86d15c6ba29 96 /* if enough data to fill, fill and push to FIFO */
Vanger 0:b86d15c6ba29 97 if (fill <= len) {
Vanger 0:b86d15c6ba29 98 XMEMCPY((byte*)md5->buffer + md5->buffLen, data, fill);
Vanger 0:b86d15c6ba29 99 HASH_DataIn(*(uint32_t*)md5->buffer);
Vanger 0:b86d15c6ba29 100
Vanger 0:b86d15c6ba29 101 data += fill;
Vanger 0:b86d15c6ba29 102 len -= fill;
Vanger 0:b86d15c6ba29 103 md5->loLen += 4;
Vanger 0:b86d15c6ba29 104 md5->buffLen = 0;
Vanger 0:b86d15c6ba29 105 } else {
Vanger 0:b86d15c6ba29 106 /* append partial to existing stored block */
Vanger 0:b86d15c6ba29 107 XMEMCPY((byte*)md5->buffer + md5->buffLen, data, len);
Vanger 0:b86d15c6ba29 108 md5->buffLen += len;
Vanger 0:b86d15c6ba29 109 return;
Vanger 0:b86d15c6ba29 110 }
Vanger 0:b86d15c6ba29 111 }
Vanger 0:b86d15c6ba29 112
Vanger 0:b86d15c6ba29 113 /* write input block in the IN FIFO */
Vanger 0:b86d15c6ba29 114 for (i = 0; i < len; i += 4)
Vanger 0:b86d15c6ba29 115 {
Vanger 0:b86d15c6ba29 116 diff = len - i;
Vanger 0:b86d15c6ba29 117 if (diff < 4) {
Vanger 0:b86d15c6ba29 118 /* store incomplete last block, not yet in FIFO */
Vanger 0:b86d15c6ba29 119 XMEMSET(md5->buffer, 0, MD5_REG_SIZE);
Vanger 0:b86d15c6ba29 120 XMEMCPY((byte*)md5->buffer, data, diff);
Vanger 0:b86d15c6ba29 121 md5->buffLen = diff;
Vanger 0:b86d15c6ba29 122 } else {
Vanger 0:b86d15c6ba29 123 HASH_DataIn(*(uint32_t*)data);
Vanger 0:b86d15c6ba29 124 data+=4;
Vanger 0:b86d15c6ba29 125 }
Vanger 0:b86d15c6ba29 126 }
Vanger 0:b86d15c6ba29 127
Vanger 0:b86d15c6ba29 128 /* keep track of total data length thus far */
Vanger 0:b86d15c6ba29 129 md5->loLen += (len - md5->buffLen);
Vanger 0:b86d15c6ba29 130 }
Vanger 0:b86d15c6ba29 131
Vanger 0:b86d15c6ba29 132 void Md5Final(Md5* md5, byte* hash)
Vanger 0:b86d15c6ba29 133 {
Vanger 0:b86d15c6ba29 134 __IO uint16_t nbvalidbitsdata = 0;
Vanger 0:b86d15c6ba29 135
Vanger 0:b86d15c6ba29 136 /* finish reading any trailing bytes into FIFO */
Vanger 0:b86d15c6ba29 137 if (md5->buffLen > 0) {
Vanger 0:b86d15c6ba29 138 HASH_DataIn(*(uint32_t*)md5->buffer);
Vanger 0:b86d15c6ba29 139 md5->loLen += md5->buffLen;
Vanger 0:b86d15c6ba29 140 }
Vanger 0:b86d15c6ba29 141
Vanger 0:b86d15c6ba29 142 /* calculate number of valid bits in last word of input data */
Vanger 0:b86d15c6ba29 143 nbvalidbitsdata = 8 * (md5->loLen % MD5_REG_SIZE);
Vanger 0:b86d15c6ba29 144
Vanger 0:b86d15c6ba29 145 /* configure number of valid bits in last word of the data */
Vanger 0:b86d15c6ba29 146 HASH_SetLastWordValidBitsNbr(nbvalidbitsdata);
Vanger 0:b86d15c6ba29 147
Vanger 0:b86d15c6ba29 148 /* start HASH processor */
Vanger 0:b86d15c6ba29 149 HASH_StartDigest();
Vanger 0:b86d15c6ba29 150
Vanger 0:b86d15c6ba29 151 /* wait until Busy flag == RESET */
Vanger 0:b86d15c6ba29 152 while (HASH_GetFlagStatus(HASH_FLAG_BUSY) != RESET) {}
Vanger 0:b86d15c6ba29 153
Vanger 0:b86d15c6ba29 154 /* read message digest */
Vanger 0:b86d15c6ba29 155 md5->digest[0] = HASH->HR[0];
Vanger 0:b86d15c6ba29 156 md5->digest[1] = HASH->HR[1];
Vanger 0:b86d15c6ba29 157 md5->digest[2] = HASH->HR[2];
Vanger 0:b86d15c6ba29 158 md5->digest[3] = HASH->HR[3];
Vanger 0:b86d15c6ba29 159
Vanger 0:b86d15c6ba29 160 ByteReverseWords(md5->digest, md5->digest, MD5_DIGEST_SIZE);
Vanger 0:b86d15c6ba29 161
Vanger 0:b86d15c6ba29 162 XMEMCPY(hash, md5->digest, MD5_DIGEST_SIZE);
Vanger 0:b86d15c6ba29 163
Vanger 0:b86d15c6ba29 164 InitMd5(md5); /* reset state */
Vanger 0:b86d15c6ba29 165 }
Vanger 0:b86d15c6ba29 166
Vanger 0:b86d15c6ba29 167 #else /* CTaoCrypt software implementation */
Vanger 0:b86d15c6ba29 168
Vanger 0:b86d15c6ba29 169 #ifndef min
Vanger 0:b86d15c6ba29 170
Vanger 0:b86d15c6ba29 171 static INLINE word32 min(word32 a, word32 b)
Vanger 0:b86d15c6ba29 172 {
Vanger 0:b86d15c6ba29 173 return a > b ? b : a;
Vanger 0:b86d15c6ba29 174 }
Vanger 0:b86d15c6ba29 175
Vanger 0:b86d15c6ba29 176 #endif /* min */
Vanger 0:b86d15c6ba29 177
Vanger 0:b86d15c6ba29 178
Vanger 0:b86d15c6ba29 179 void InitMd5(Md5* md5)
Vanger 0:b86d15c6ba29 180 {
Vanger 0:b86d15c6ba29 181 md5->digest[0] = 0x67452301L;
Vanger 0:b86d15c6ba29 182 md5->digest[1] = 0xefcdab89L;
Vanger 0:b86d15c6ba29 183 md5->digest[2] = 0x98badcfeL;
Vanger 0:b86d15c6ba29 184 md5->digest[3] = 0x10325476L;
Vanger 0:b86d15c6ba29 185
Vanger 0:b86d15c6ba29 186 md5->buffLen = 0;
Vanger 0:b86d15c6ba29 187 md5->loLen = 0;
Vanger 0:b86d15c6ba29 188 md5->hiLen = 0;
Vanger 0:b86d15c6ba29 189 }
Vanger 0:b86d15c6ba29 190
Vanger 0:b86d15c6ba29 191 #ifndef FREESCALE_MMCAU
Vanger 0:b86d15c6ba29 192
Vanger 0:b86d15c6ba29 193 static void Transform(Md5* md5)
Vanger 0:b86d15c6ba29 194 {
Vanger 0:b86d15c6ba29 195 #define F1(x, y, z) (z ^ (x & (y ^ z)))
Vanger 0:b86d15c6ba29 196 #define F2(x, y, z) F1(z, x, y)
Vanger 0:b86d15c6ba29 197 #define F3(x, y, z) (x ^ y ^ z)
Vanger 0:b86d15c6ba29 198 #define F4(x, y, z) (y ^ (x | ~z))
Vanger 0:b86d15c6ba29 199
Vanger 0:b86d15c6ba29 200 #define MD5STEP(f, w, x, y, z, data, s) \
Vanger 0:b86d15c6ba29 201 w = rotlFixed(w + f(x, y, z) + data, s) + x
Vanger 0:b86d15c6ba29 202
Vanger 0:b86d15c6ba29 203 /* Copy context->state[] to working vars */
Vanger 0:b86d15c6ba29 204 word32 a = md5->digest[0];
Vanger 0:b86d15c6ba29 205 word32 b = md5->digest[1];
Vanger 0:b86d15c6ba29 206 word32 c = md5->digest[2];
Vanger 0:b86d15c6ba29 207 word32 d = md5->digest[3];
Vanger 0:b86d15c6ba29 208
Vanger 0:b86d15c6ba29 209 MD5STEP(F1, a, b, c, d, md5->buffer[0] + 0xd76aa478, 7);
Vanger 0:b86d15c6ba29 210 MD5STEP(F1, d, a, b, c, md5->buffer[1] + 0xe8c7b756, 12);
Vanger 0:b86d15c6ba29 211 MD5STEP(F1, c, d, a, b, md5->buffer[2] + 0x242070db, 17);
Vanger 0:b86d15c6ba29 212 MD5STEP(F1, b, c, d, a, md5->buffer[3] + 0xc1bdceee, 22);
Vanger 0:b86d15c6ba29 213 MD5STEP(F1, a, b, c, d, md5->buffer[4] + 0xf57c0faf, 7);
Vanger 0:b86d15c6ba29 214 MD5STEP(F1, d, a, b, c, md5->buffer[5] + 0x4787c62a, 12);
Vanger 0:b86d15c6ba29 215 MD5STEP(F1, c, d, a, b, md5->buffer[6] + 0xa8304613, 17);
Vanger 0:b86d15c6ba29 216 MD5STEP(F1, b, c, d, a, md5->buffer[7] + 0xfd469501, 22);
Vanger 0:b86d15c6ba29 217 MD5STEP(F1, a, b, c, d, md5->buffer[8] + 0x698098d8, 7);
Vanger 0:b86d15c6ba29 218 MD5STEP(F1, d, a, b, c, md5->buffer[9] + 0x8b44f7af, 12);
Vanger 0:b86d15c6ba29 219 MD5STEP(F1, c, d, a, b, md5->buffer[10] + 0xffff5bb1, 17);
Vanger 0:b86d15c6ba29 220 MD5STEP(F1, b, c, d, a, md5->buffer[11] + 0x895cd7be, 22);
Vanger 0:b86d15c6ba29 221 MD5STEP(F1, a, b, c, d, md5->buffer[12] + 0x6b901122, 7);
Vanger 0:b86d15c6ba29 222 MD5STEP(F1, d, a, b, c, md5->buffer[13] + 0xfd987193, 12);
Vanger 0:b86d15c6ba29 223 MD5STEP(F1, c, d, a, b, md5->buffer[14] + 0xa679438e, 17);
Vanger 0:b86d15c6ba29 224 MD5STEP(F1, b, c, d, a, md5->buffer[15] + 0x49b40821, 22);
Vanger 0:b86d15c6ba29 225
Vanger 0:b86d15c6ba29 226 MD5STEP(F2, a, b, c, d, md5->buffer[1] + 0xf61e2562, 5);
Vanger 0:b86d15c6ba29 227 MD5STEP(F2, d, a, b, c, md5->buffer[6] + 0xc040b340, 9);
Vanger 0:b86d15c6ba29 228 MD5STEP(F2, c, d, a, b, md5->buffer[11] + 0x265e5a51, 14);
Vanger 0:b86d15c6ba29 229 MD5STEP(F2, b, c, d, a, md5->buffer[0] + 0xe9b6c7aa, 20);
Vanger 0:b86d15c6ba29 230 MD5STEP(F2, a, b, c, d, md5->buffer[5] + 0xd62f105d, 5);
Vanger 0:b86d15c6ba29 231 MD5STEP(F2, d, a, b, c, md5->buffer[10] + 0x02441453, 9);
Vanger 0:b86d15c6ba29 232 MD5STEP(F2, c, d, a, b, md5->buffer[15] + 0xd8a1e681, 14);
Vanger 0:b86d15c6ba29 233 MD5STEP(F2, b, c, d, a, md5->buffer[4] + 0xe7d3fbc8, 20);
Vanger 0:b86d15c6ba29 234 MD5STEP(F2, a, b, c, d, md5->buffer[9] + 0x21e1cde6, 5);
Vanger 0:b86d15c6ba29 235 MD5STEP(F2, d, a, b, c, md5->buffer[14] + 0xc33707d6, 9);
Vanger 0:b86d15c6ba29 236 MD5STEP(F2, c, d, a, b, md5->buffer[3] + 0xf4d50d87, 14);
Vanger 0:b86d15c6ba29 237 MD5STEP(F2, b, c, d, a, md5->buffer[8] + 0x455a14ed, 20);
Vanger 0:b86d15c6ba29 238 MD5STEP(F2, a, b, c, d, md5->buffer[13] + 0xa9e3e905, 5);
Vanger 0:b86d15c6ba29 239 MD5STEP(F2, d, a, b, c, md5->buffer[2] + 0xfcefa3f8, 9);
Vanger 0:b86d15c6ba29 240 MD5STEP(F2, c, d, a, b, md5->buffer[7] + 0x676f02d9, 14);
Vanger 0:b86d15c6ba29 241 MD5STEP(F2, b, c, d, a, md5->buffer[12] + 0x8d2a4c8a, 20);
Vanger 0:b86d15c6ba29 242
Vanger 0:b86d15c6ba29 243 MD5STEP(F3, a, b, c, d, md5->buffer[5] + 0xfffa3942, 4);
Vanger 0:b86d15c6ba29 244 MD5STEP(F3, d, a, b, c, md5->buffer[8] + 0x8771f681, 11);
Vanger 0:b86d15c6ba29 245 MD5STEP(F3, c, d, a, b, md5->buffer[11] + 0x6d9d6122, 16);
Vanger 0:b86d15c6ba29 246 MD5STEP(F3, b, c, d, a, md5->buffer[14] + 0xfde5380c, 23);
Vanger 0:b86d15c6ba29 247 MD5STEP(F3, a, b, c, d, md5->buffer[1] + 0xa4beea44, 4);
Vanger 0:b86d15c6ba29 248 MD5STEP(F3, d, a, b, c, md5->buffer[4] + 0x4bdecfa9, 11);
Vanger 0:b86d15c6ba29 249 MD5STEP(F3, c, d, a, b, md5->buffer[7] + 0xf6bb4b60, 16);
Vanger 0:b86d15c6ba29 250 MD5STEP(F3, b, c, d, a, md5->buffer[10] + 0xbebfbc70, 23);
Vanger 0:b86d15c6ba29 251 MD5STEP(F3, a, b, c, d, md5->buffer[13] + 0x289b7ec6, 4);
Vanger 0:b86d15c6ba29 252 MD5STEP(F3, d, a, b, c, md5->buffer[0] + 0xeaa127fa, 11);
Vanger 0:b86d15c6ba29 253 MD5STEP(F3, c, d, a, b, md5->buffer[3] + 0xd4ef3085, 16);
Vanger 0:b86d15c6ba29 254 MD5STEP(F3, b, c, d, a, md5->buffer[6] + 0x04881d05, 23);
Vanger 0:b86d15c6ba29 255 MD5STEP(F3, a, b, c, d, md5->buffer[9] + 0xd9d4d039, 4);
Vanger 0:b86d15c6ba29 256 MD5STEP(F3, d, a, b, c, md5->buffer[12] + 0xe6db99e5, 11);
Vanger 0:b86d15c6ba29 257 MD5STEP(F3, c, d, a, b, md5->buffer[15] + 0x1fa27cf8, 16);
Vanger 0:b86d15c6ba29 258 MD5STEP(F3, b, c, d, a, md5->buffer[2] + 0xc4ac5665, 23);
Vanger 0:b86d15c6ba29 259
Vanger 0:b86d15c6ba29 260 MD5STEP(F4, a, b, c, d, md5->buffer[0] + 0xf4292244, 6);
Vanger 0:b86d15c6ba29 261 MD5STEP(F4, d, a, b, c, md5->buffer[7] + 0x432aff97, 10);
Vanger 0:b86d15c6ba29 262 MD5STEP(F4, c, d, a, b, md5->buffer[14] + 0xab9423a7, 15);
Vanger 0:b86d15c6ba29 263 MD5STEP(F4, b, c, d, a, md5->buffer[5] + 0xfc93a039, 21);
Vanger 0:b86d15c6ba29 264 MD5STEP(F4, a, b, c, d, md5->buffer[12] + 0x655b59c3, 6);
Vanger 0:b86d15c6ba29 265 MD5STEP(F4, d, a, b, c, md5->buffer[3] + 0x8f0ccc92, 10);
Vanger 0:b86d15c6ba29 266 MD5STEP(F4, c, d, a, b, md5->buffer[10] + 0xffeff47d, 15);
Vanger 0:b86d15c6ba29 267 MD5STEP(F4, b, c, d, a, md5->buffer[1] + 0x85845dd1, 21);
Vanger 0:b86d15c6ba29 268 MD5STEP(F4, a, b, c, d, md5->buffer[8] + 0x6fa87e4f, 6);
Vanger 0:b86d15c6ba29 269 MD5STEP(F4, d, a, b, c, md5->buffer[15] + 0xfe2ce6e0, 10);
Vanger 0:b86d15c6ba29 270 MD5STEP(F4, c, d, a, b, md5->buffer[6] + 0xa3014314, 15);
Vanger 0:b86d15c6ba29 271 MD5STEP(F4, b, c, d, a, md5->buffer[13] + 0x4e0811a1, 21);
Vanger 0:b86d15c6ba29 272 MD5STEP(F4, a, b, c, d, md5->buffer[4] + 0xf7537e82, 6);
Vanger 0:b86d15c6ba29 273 MD5STEP(F4, d, a, b, c, md5->buffer[11] + 0xbd3af235, 10);
Vanger 0:b86d15c6ba29 274 MD5STEP(F4, c, d, a, b, md5->buffer[2] + 0x2ad7d2bb, 15);
Vanger 0:b86d15c6ba29 275 MD5STEP(F4, b, c, d, a, md5->buffer[9] + 0xeb86d391, 21);
Vanger 0:b86d15c6ba29 276
Vanger 0:b86d15c6ba29 277 /* Add the working vars back into digest state[] */
Vanger 0:b86d15c6ba29 278 md5->digest[0] += a;
Vanger 0:b86d15c6ba29 279 md5->digest[1] += b;
Vanger 0:b86d15c6ba29 280 md5->digest[2] += c;
Vanger 0:b86d15c6ba29 281 md5->digest[3] += d;
Vanger 0:b86d15c6ba29 282 }
Vanger 0:b86d15c6ba29 283
Vanger 0:b86d15c6ba29 284 #endif /* FREESCALE_MMCAU */
Vanger 0:b86d15c6ba29 285
Vanger 0:b86d15c6ba29 286
Vanger 0:b86d15c6ba29 287 static INLINE void AddLength(Md5* md5, word32 len)
Vanger 0:b86d15c6ba29 288 {
Vanger 0:b86d15c6ba29 289 word32 tmp = md5->loLen;
Vanger 0:b86d15c6ba29 290 if ( (md5->loLen += len) < tmp)
Vanger 0:b86d15c6ba29 291 md5->hiLen++; /* carry low to high */
Vanger 0:b86d15c6ba29 292 }
Vanger 0:b86d15c6ba29 293
Vanger 0:b86d15c6ba29 294
Vanger 0:b86d15c6ba29 295 void Md5Update(Md5* md5, const byte* data, word32 len)
Vanger 0:b86d15c6ba29 296 {
Vanger 0:b86d15c6ba29 297 /* do block size increments */
Vanger 0:b86d15c6ba29 298 byte* local = (byte*)md5->buffer;
Vanger 0:b86d15c6ba29 299
Vanger 0:b86d15c6ba29 300 while (len) {
Vanger 0:b86d15c6ba29 301 word32 add = min(len, MD5_BLOCK_SIZE - md5->buffLen);
Vanger 0:b86d15c6ba29 302 XMEMCPY(&local[md5->buffLen], data, add);
Vanger 0:b86d15c6ba29 303
Vanger 0:b86d15c6ba29 304 md5->buffLen += add;
Vanger 0:b86d15c6ba29 305 data += add;
Vanger 0:b86d15c6ba29 306 len -= add;
Vanger 0:b86d15c6ba29 307
Vanger 0:b86d15c6ba29 308 if (md5->buffLen == MD5_BLOCK_SIZE) {
Vanger 0:b86d15c6ba29 309 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU)
Vanger 0:b86d15c6ba29 310 ByteReverseWords(md5->buffer, md5->buffer, MD5_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 311 #endif
Vanger 0:b86d15c6ba29 312 XTRANSFORM(md5, local);
Vanger 0:b86d15c6ba29 313 AddLength(md5, MD5_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 314 md5->buffLen = 0;
Vanger 0:b86d15c6ba29 315 }
Vanger 0:b86d15c6ba29 316 }
Vanger 0:b86d15c6ba29 317 }
Vanger 0:b86d15c6ba29 318
Vanger 0:b86d15c6ba29 319
Vanger 0:b86d15c6ba29 320 void Md5Final(Md5* md5, byte* hash)
Vanger 0:b86d15c6ba29 321 {
Vanger 0:b86d15c6ba29 322 byte* local = (byte*)md5->buffer;
Vanger 0:b86d15c6ba29 323
Vanger 0:b86d15c6ba29 324 AddLength(md5, md5->buffLen); /* before adding pads */
Vanger 0:b86d15c6ba29 325
Vanger 0:b86d15c6ba29 326 local[md5->buffLen++] = 0x80; /* add 1 */
Vanger 0:b86d15c6ba29 327
Vanger 0:b86d15c6ba29 328 /* pad with zeros */
Vanger 0:b86d15c6ba29 329 if (md5->buffLen > MD5_PAD_SIZE) {
Vanger 0:b86d15c6ba29 330 XMEMSET(&local[md5->buffLen], 0, MD5_BLOCK_SIZE - md5->buffLen);
Vanger 0:b86d15c6ba29 331 md5->buffLen += MD5_BLOCK_SIZE - md5->buffLen;
Vanger 0:b86d15c6ba29 332
Vanger 0:b86d15c6ba29 333 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU)
Vanger 0:b86d15c6ba29 334 ByteReverseWords(md5->buffer, md5->buffer, MD5_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 335 #endif
Vanger 0:b86d15c6ba29 336 XTRANSFORM(md5, local);
Vanger 0:b86d15c6ba29 337 md5->buffLen = 0;
Vanger 0:b86d15c6ba29 338 }
Vanger 0:b86d15c6ba29 339 XMEMSET(&local[md5->buffLen], 0, MD5_PAD_SIZE - md5->buffLen);
Vanger 0:b86d15c6ba29 340
Vanger 0:b86d15c6ba29 341 /* put lengths in bits */
Vanger 0:b86d15c6ba29 342 md5->hiLen = (md5->loLen >> (8*sizeof(md5->loLen) - 3)) +
Vanger 0:b86d15c6ba29 343 (md5->hiLen << 3);
Vanger 0:b86d15c6ba29 344 md5->loLen = md5->loLen << 3;
Vanger 0:b86d15c6ba29 345
Vanger 0:b86d15c6ba29 346 /* store lengths */
Vanger 0:b86d15c6ba29 347 #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU)
Vanger 0:b86d15c6ba29 348 ByteReverseWords(md5->buffer, md5->buffer, MD5_BLOCK_SIZE);
Vanger 0:b86d15c6ba29 349 #endif
Vanger 0:b86d15c6ba29 350 /* ! length ordering dependent on digest endian type ! */
Vanger 0:b86d15c6ba29 351 XMEMCPY(&local[MD5_PAD_SIZE], &md5->loLen, sizeof(word32));
Vanger 0:b86d15c6ba29 352 XMEMCPY(&local[MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32));
Vanger 0:b86d15c6ba29 353
Vanger 0:b86d15c6ba29 354 XTRANSFORM(md5, local);
Vanger 0:b86d15c6ba29 355 #ifdef BIG_ENDIAN_ORDER
Vanger 0:b86d15c6ba29 356 ByteReverseWords(md5->digest, md5->digest, MD5_DIGEST_SIZE);
Vanger 0:b86d15c6ba29 357 #endif
Vanger 0:b86d15c6ba29 358 XMEMCPY(hash, md5->digest, MD5_DIGEST_SIZE);
Vanger 0:b86d15c6ba29 359
Vanger 0:b86d15c6ba29 360 InitMd5(md5); /* reset state */
Vanger 0:b86d15c6ba29 361 }
Vanger 0:b86d15c6ba29 362
Vanger 0:b86d15c6ba29 363 #endif /* STM32F2_HASH */
Vanger 0:b86d15c6ba29 364
Vanger 0:b86d15c6ba29 365
Vanger 0:b86d15c6ba29 366 int Md5Hash(const byte* data, word32 len, byte* hash)
Vanger 0:b86d15c6ba29 367 {
Vanger 0:b86d15c6ba29 368 #ifdef CYASSL_SMALL_STACK
Vanger 0:b86d15c6ba29 369 Md5* md5;
Vanger 0:b86d15c6ba29 370 #else
Vanger 0:b86d15c6ba29 371 Md5 md5[1];
Vanger 0:b86d15c6ba29 372 #endif
Vanger 0:b86d15c6ba29 373
Vanger 0:b86d15c6ba29 374 #ifdef CYASSL_SMALL_STACK
Vanger 0:b86d15c6ba29 375 md5 = (Md5*)XMALLOC(sizeof(Md5), NULL, DYNAMIC_TYPE_TMP_BUFFER);
Vanger 0:b86d15c6ba29 376 if (md5 == NULL)
Vanger 0:b86d15c6ba29 377 return MEMORY_E;
Vanger 0:b86d15c6ba29 378 #endif
Vanger 0:b86d15c6ba29 379
Vanger 0:b86d15c6ba29 380 InitMd5(md5);
Vanger 0:b86d15c6ba29 381 Md5Update(md5, data, len);
Vanger 0:b86d15c6ba29 382 Md5Final(md5, hash);
Vanger 0:b86d15c6ba29 383
Vanger 0:b86d15c6ba29 384 #ifdef CYASSL_SMALL_STACK
Vanger 0:b86d15c6ba29 385 XFREE(md5, NULL, DYNAMIC_TYPE_TMP_BUFFER);
Vanger 0:b86d15c6ba29 386 #endif
Vanger 0:b86d15c6ba29 387
Vanger 0:b86d15c6ba29 388 return 0;
Vanger 0:b86d15c6ba29 389 }
Vanger 0:b86d15c6ba29 390
Vanger 0:b86d15c6ba29 391 #endif /* NO_MD5 */