Xuyi Wang
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wolfSSL
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wolfcrypt/src/md5.c@0:d92f9d21154c, 2015-06-26 (annotated)
- Committer:
- wolfSSL
- Date:
- Fri Jun 26 00:39:20 2015 +0000
- Revision:
- 0:d92f9d21154c
wolfSSL 3.6.0
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| wolfSSL | 0:d92f9d21154c | 1 | /* md5.c |
| wolfSSL | 0:d92f9d21154c | 2 | * |
| wolfSSL | 0:d92f9d21154c | 3 | * Copyright (C) 2006-2015 wolfSSL Inc. |
| wolfSSL | 0:d92f9d21154c | 4 | * |
| wolfSSL | 0:d92f9d21154c | 5 | * This file is part of wolfSSL. (formerly known as CyaSSL) |
| wolfSSL | 0:d92f9d21154c | 6 | * |
| wolfSSL | 0:d92f9d21154c | 7 | * wolfSSL is free software; you can redistribute it and/or modify |
| wolfSSL | 0:d92f9d21154c | 8 | * it under the terms of the GNU General Public License as published by |
| wolfSSL | 0:d92f9d21154c | 9 | * the Free Software Foundation; either version 2 of the License, or |
| wolfSSL | 0:d92f9d21154c | 10 | * (at your option) any later version. |
| wolfSSL | 0:d92f9d21154c | 11 | * |
| wolfSSL | 0:d92f9d21154c | 12 | * wolfSSL is distributed in the hope that it will be useful, |
| wolfSSL | 0:d92f9d21154c | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| wolfSSL | 0:d92f9d21154c | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| wolfSSL | 0:d92f9d21154c | 15 | * GNU General Public License for more details. |
| wolfSSL | 0:d92f9d21154c | 16 | * |
| wolfSSL | 0:d92f9d21154c | 17 | * You should have received a copy of the GNU General Public License |
| wolfSSL | 0:d92f9d21154c | 18 | * along with this program; if not, write to the Free Software |
| wolfSSL | 0:d92f9d21154c | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA |
| wolfSSL | 0:d92f9d21154c | 20 | */ |
| wolfSSL | 0:d92f9d21154c | 21 | |
| wolfSSL | 0:d92f9d21154c | 22 | |
| wolfSSL | 0:d92f9d21154c | 23 | #ifdef HAVE_CONFIG_H |
| wolfSSL | 0:d92f9d21154c | 24 | #include <config.h> |
| wolfSSL | 0:d92f9d21154c | 25 | #endif |
| wolfSSL | 0:d92f9d21154c | 26 | |
| wolfSSL | 0:d92f9d21154c | 27 | #include <wolfssl/wolfcrypt/settings.h> |
| wolfSSL | 0:d92f9d21154c | 28 | |
| wolfSSL | 0:d92f9d21154c | 29 | #if !defined(NO_MD5) |
| wolfSSL | 0:d92f9d21154c | 30 | |
| wolfSSL | 0:d92f9d21154c | 31 | #if defined(WOLFSSL_TI_HASH) |
| wolfSSL | 0:d92f9d21154c | 32 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */ |
| wolfSSL | 0:d92f9d21154c | 33 | #else |
| wolfSSL | 0:d92f9d21154c | 34 | |
| wolfSSL | 0:d92f9d21154c | 35 | #ifdef WOLFSSL_PIC32MZ_HASH |
| wolfSSL | 0:d92f9d21154c | 36 | #define wc_InitMd5 wc_InitMd5_sw |
| wolfSSL | 0:d92f9d21154c | 37 | #define wc_Md5Update wc_Md5Update_sw |
| wolfSSL | 0:d92f9d21154c | 38 | #define wc_Md5Final wc_Md5Final_sw |
| wolfSSL | 0:d92f9d21154c | 39 | #endif |
| wolfSSL | 0:d92f9d21154c | 40 | |
| wolfSSL | 0:d92f9d21154c | 41 | #include <wolfssl/wolfcrypt/md5.h> |
| wolfSSL | 0:d92f9d21154c | 42 | #include <wolfssl/wolfcrypt/error-crypt.h> |
| wolfSSL | 0:d92f9d21154c | 43 | |
| wolfSSL | 0:d92f9d21154c | 44 | #ifdef NO_INLINE |
| wolfSSL | 0:d92f9d21154c | 45 | #include <wolfssl/wolfcrypt/misc.h> |
| wolfSSL | 0:d92f9d21154c | 46 | #else |
| wolfSSL | 0:d92f9d21154c | 47 | #include <wolfcrypt/src/misc.c> |
| wolfSSL | 0:d92f9d21154c | 48 | #endif |
| wolfSSL | 0:d92f9d21154c | 49 | |
| wolfSSL | 0:d92f9d21154c | 50 | #ifdef FREESCALE_MMCAU |
| wolfSSL | 0:d92f9d21154c | 51 | #include "cau_api.h" |
| wolfSSL | 0:d92f9d21154c | 52 | #define XTRANSFORM(S,B) cau_md5_hash_n((B), 1, (unsigned char*)(S)->digest) |
| wolfSSL | 0:d92f9d21154c | 53 | #else |
| wolfSSL | 0:d92f9d21154c | 54 | #define XTRANSFORM(S,B) Transform((S)) |
| wolfSSL | 0:d92f9d21154c | 55 | #endif |
| wolfSSL | 0:d92f9d21154c | 56 | |
| wolfSSL | 0:d92f9d21154c | 57 | |
| wolfSSL | 0:d92f9d21154c | 58 | #ifdef STM32F2_HASH |
| wolfSSL | 0:d92f9d21154c | 59 | /* |
| wolfSSL | 0:d92f9d21154c | 60 | * STM32F2 hardware MD5 support through the STM32F2 standard peripheral |
| wolfSSL | 0:d92f9d21154c | 61 | * library. Documentation located in STM32F2xx Standard Peripheral Library |
| wolfSSL | 0:d92f9d21154c | 62 | * document (See note in README). |
| wolfSSL | 0:d92f9d21154c | 63 | */ |
| wolfSSL | 0:d92f9d21154c | 64 | #include "stm32f2xx.h" |
| wolfSSL | 0:d92f9d21154c | 65 | |
| wolfSSL | 0:d92f9d21154c | 66 | void wc_InitMd5(Md5* md5) |
| wolfSSL | 0:d92f9d21154c | 67 | { |
| wolfSSL | 0:d92f9d21154c | 68 | /* STM32F2 struct notes: |
| wolfSSL | 0:d92f9d21154c | 69 | * md5->buffer = first 4 bytes used to hold partial block if needed |
| wolfSSL | 0:d92f9d21154c | 70 | * md5->buffLen = num bytes currently stored in md5->buffer |
| wolfSSL | 0:d92f9d21154c | 71 | * md5->loLen = num bytes that have been written to STM32 FIFO |
| wolfSSL | 0:d92f9d21154c | 72 | */ |
| wolfSSL | 0:d92f9d21154c | 73 | XMEMSET(md5->buffer, 0, MD5_REG_SIZE); |
| wolfSSL | 0:d92f9d21154c | 74 | |
| wolfSSL | 0:d92f9d21154c | 75 | md5->buffLen = 0; |
| wolfSSL | 0:d92f9d21154c | 76 | md5->loLen = 0; |
| wolfSSL | 0:d92f9d21154c | 77 | |
| wolfSSL | 0:d92f9d21154c | 78 | /* initialize HASH peripheral */ |
| wolfSSL | 0:d92f9d21154c | 79 | HASH_DeInit(); |
| wolfSSL | 0:d92f9d21154c | 80 | |
| wolfSSL | 0:d92f9d21154c | 81 | /* configure algo used, algo mode, datatype */ |
| wolfSSL | 0:d92f9d21154c | 82 | HASH->CR &= ~ (HASH_CR_ALGO | HASH_CR_DATATYPE | HASH_CR_MODE); |
| wolfSSL | 0:d92f9d21154c | 83 | HASH->CR |= (HASH_AlgoSelection_MD5 | HASH_AlgoMode_HASH |
| wolfSSL | 0:d92f9d21154c | 84 | | HASH_DataType_8b); |
| wolfSSL | 0:d92f9d21154c | 85 | |
| wolfSSL | 0:d92f9d21154c | 86 | /* reset HASH processor */ |
| wolfSSL | 0:d92f9d21154c | 87 | HASH->CR |= HASH_CR_INIT; |
| wolfSSL | 0:d92f9d21154c | 88 | } |
| wolfSSL | 0:d92f9d21154c | 89 | |
| wolfSSL | 0:d92f9d21154c | 90 | void wc_Md5Update(Md5* md5, const byte* data, word32 len) |
| wolfSSL | 0:d92f9d21154c | 91 | { |
| wolfSSL | 0:d92f9d21154c | 92 | word32 i = 0; |
| wolfSSL | 0:d92f9d21154c | 93 | word32 fill = 0; |
| wolfSSL | 0:d92f9d21154c | 94 | word32 diff = 0; |
| wolfSSL | 0:d92f9d21154c | 95 | |
| wolfSSL | 0:d92f9d21154c | 96 | /* if saved partial block is available */ |
| wolfSSL | 0:d92f9d21154c | 97 | if (md5->buffLen > 0) { |
| wolfSSL | 0:d92f9d21154c | 98 | fill = 4 - md5->buffLen; |
| wolfSSL | 0:d92f9d21154c | 99 | |
| wolfSSL | 0:d92f9d21154c | 100 | /* if enough data to fill, fill and push to FIFO */ |
| wolfSSL | 0:d92f9d21154c | 101 | if (fill <= len) { |
| wolfSSL | 0:d92f9d21154c | 102 | XMEMCPY((byte*)md5->buffer + md5->buffLen, data, fill); |
| wolfSSL | 0:d92f9d21154c | 103 | HASH_DataIn(*(uint32_t*)md5->buffer); |
| wolfSSL | 0:d92f9d21154c | 104 | |
| wolfSSL | 0:d92f9d21154c | 105 | data += fill; |
| wolfSSL | 0:d92f9d21154c | 106 | len -= fill; |
| wolfSSL | 0:d92f9d21154c | 107 | md5->loLen += 4; |
| wolfSSL | 0:d92f9d21154c | 108 | md5->buffLen = 0; |
| wolfSSL | 0:d92f9d21154c | 109 | } else { |
| wolfSSL | 0:d92f9d21154c | 110 | /* append partial to existing stored block */ |
| wolfSSL | 0:d92f9d21154c | 111 | XMEMCPY((byte*)md5->buffer + md5->buffLen, data, len); |
| wolfSSL | 0:d92f9d21154c | 112 | md5->buffLen += len; |
| wolfSSL | 0:d92f9d21154c | 113 | return; |
| wolfSSL | 0:d92f9d21154c | 114 | } |
| wolfSSL | 0:d92f9d21154c | 115 | } |
| wolfSSL | 0:d92f9d21154c | 116 | |
| wolfSSL | 0:d92f9d21154c | 117 | /* write input block in the IN FIFO */ |
| wolfSSL | 0:d92f9d21154c | 118 | for (i = 0; i < len; i += 4) |
| wolfSSL | 0:d92f9d21154c | 119 | { |
| wolfSSL | 0:d92f9d21154c | 120 | diff = len - i; |
| wolfSSL | 0:d92f9d21154c | 121 | if (diff < 4) { |
| wolfSSL | 0:d92f9d21154c | 122 | /* store incomplete last block, not yet in FIFO */ |
| wolfSSL | 0:d92f9d21154c | 123 | XMEMSET(md5->buffer, 0, MD5_REG_SIZE); |
| wolfSSL | 0:d92f9d21154c | 124 | XMEMCPY((byte*)md5->buffer, data, diff); |
| wolfSSL | 0:d92f9d21154c | 125 | md5->buffLen = diff; |
| wolfSSL | 0:d92f9d21154c | 126 | } else { |
| wolfSSL | 0:d92f9d21154c | 127 | HASH_DataIn(*(uint32_t*)data); |
| wolfSSL | 0:d92f9d21154c | 128 | data+=4; |
| wolfSSL | 0:d92f9d21154c | 129 | } |
| wolfSSL | 0:d92f9d21154c | 130 | } |
| wolfSSL | 0:d92f9d21154c | 131 | |
| wolfSSL | 0:d92f9d21154c | 132 | /* keep track of total data length thus far */ |
| wolfSSL | 0:d92f9d21154c | 133 | md5->loLen += (len - md5->buffLen); |
| wolfSSL | 0:d92f9d21154c | 134 | } |
| wolfSSL | 0:d92f9d21154c | 135 | |
| wolfSSL | 0:d92f9d21154c | 136 | void wc_Md5Final(Md5* md5, byte* hash) |
| wolfSSL | 0:d92f9d21154c | 137 | { |
| wolfSSL | 0:d92f9d21154c | 138 | __IO uint16_t nbvalidbitsdata = 0; |
| wolfSSL | 0:d92f9d21154c | 139 | |
| wolfSSL | 0:d92f9d21154c | 140 | /* finish reading any trailing bytes into FIFO */ |
| wolfSSL | 0:d92f9d21154c | 141 | if (md5->buffLen > 0) { |
| wolfSSL | 0:d92f9d21154c | 142 | HASH_DataIn(*(uint32_t*)md5->buffer); |
| wolfSSL | 0:d92f9d21154c | 143 | md5->loLen += md5->buffLen; |
| wolfSSL | 0:d92f9d21154c | 144 | } |
| wolfSSL | 0:d92f9d21154c | 145 | |
| wolfSSL | 0:d92f9d21154c | 146 | /* calculate number of valid bits in last word of input data */ |
| wolfSSL | 0:d92f9d21154c | 147 | nbvalidbitsdata = 8 * (md5->loLen % MD5_REG_SIZE); |
| wolfSSL | 0:d92f9d21154c | 148 | |
| wolfSSL | 0:d92f9d21154c | 149 | /* configure number of valid bits in last word of the data */ |
| wolfSSL | 0:d92f9d21154c | 150 | HASH_SetLastWordValidBitsNbr(nbvalidbitsdata); |
| wolfSSL | 0:d92f9d21154c | 151 | |
| wolfSSL | 0:d92f9d21154c | 152 | /* start HASH processor */ |
| wolfSSL | 0:d92f9d21154c | 153 | HASH_StartDigest(); |
| wolfSSL | 0:d92f9d21154c | 154 | |
| wolfSSL | 0:d92f9d21154c | 155 | /* wait until Busy flag == RESET */ |
| wolfSSL | 0:d92f9d21154c | 156 | while (HASH_GetFlagStatus(HASH_FLAG_BUSY) != RESET) {} |
| wolfSSL | 0:d92f9d21154c | 157 | |
| wolfSSL | 0:d92f9d21154c | 158 | /* read message digest */ |
| wolfSSL | 0:d92f9d21154c | 159 | md5->digest[0] = HASH->HR[0]; |
| wolfSSL | 0:d92f9d21154c | 160 | md5->digest[1] = HASH->HR[1]; |
| wolfSSL | 0:d92f9d21154c | 161 | md5->digest[2] = HASH->HR[2]; |
| wolfSSL | 0:d92f9d21154c | 162 | md5->digest[3] = HASH->HR[3]; |
| wolfSSL | 0:d92f9d21154c | 163 | |
| wolfSSL | 0:d92f9d21154c | 164 | ByteReverseWords(md5->digest, md5->digest, MD5_DIGEST_SIZE); |
| wolfSSL | 0:d92f9d21154c | 165 | |
| wolfSSL | 0:d92f9d21154c | 166 | XMEMCPY(hash, md5->digest, MD5_DIGEST_SIZE); |
| wolfSSL | 0:d92f9d21154c | 167 | |
| wolfSSL | 0:d92f9d21154c | 168 | wc_InitMd5(md5); /* reset state */ |
| wolfSSL | 0:d92f9d21154c | 169 | } |
| wolfSSL | 0:d92f9d21154c | 170 | |
| wolfSSL | 0:d92f9d21154c | 171 | #else /* CTaoCrypt software implementation */ |
| wolfSSL | 0:d92f9d21154c | 172 | |
| wolfSSL | 0:d92f9d21154c | 173 | #ifndef WOLFSSL_HAVE_MIN |
| wolfSSL | 0:d92f9d21154c | 174 | #define WOLFSSL_HAVE_MIN |
| wolfSSL | 0:d92f9d21154c | 175 | |
| wolfSSL | 0:d92f9d21154c | 176 | static INLINE word32 min(word32 a, word32 b) |
| wolfSSL | 0:d92f9d21154c | 177 | { |
| wolfSSL | 0:d92f9d21154c | 178 | return a > b ? b : a; |
| wolfSSL | 0:d92f9d21154c | 179 | } |
| wolfSSL | 0:d92f9d21154c | 180 | |
| wolfSSL | 0:d92f9d21154c | 181 | #endif /* WOLFSSL_HAVE_MIN */ |
| wolfSSL | 0:d92f9d21154c | 182 | |
| wolfSSL | 0:d92f9d21154c | 183 | void wc_InitMd5(Md5* md5) |
| wolfSSL | 0:d92f9d21154c | 184 | { |
| wolfSSL | 0:d92f9d21154c | 185 | md5->digest[0] = 0x67452301L; |
| wolfSSL | 0:d92f9d21154c | 186 | md5->digest[1] = 0xefcdab89L; |
| wolfSSL | 0:d92f9d21154c | 187 | md5->digest[2] = 0x98badcfeL; |
| wolfSSL | 0:d92f9d21154c | 188 | md5->digest[3] = 0x10325476L; |
| wolfSSL | 0:d92f9d21154c | 189 | |
| wolfSSL | 0:d92f9d21154c | 190 | md5->buffLen = 0; |
| wolfSSL | 0:d92f9d21154c | 191 | md5->loLen = 0; |
| wolfSSL | 0:d92f9d21154c | 192 | md5->hiLen = 0; |
| wolfSSL | 0:d92f9d21154c | 193 | } |
| wolfSSL | 0:d92f9d21154c | 194 | |
| wolfSSL | 0:d92f9d21154c | 195 | #ifndef FREESCALE_MMCAU |
| wolfSSL | 0:d92f9d21154c | 196 | |
| wolfSSL | 0:d92f9d21154c | 197 | static void Transform(Md5* md5) |
| wolfSSL | 0:d92f9d21154c | 198 | { |
| wolfSSL | 0:d92f9d21154c | 199 | #define F1(x, y, z) (z ^ (x & (y ^ z))) |
| wolfSSL | 0:d92f9d21154c | 200 | #define F2(x, y, z) F1(z, x, y) |
| wolfSSL | 0:d92f9d21154c | 201 | #define F3(x, y, z) (x ^ y ^ z) |
| wolfSSL | 0:d92f9d21154c | 202 | #define F4(x, y, z) (y ^ (x | ~z)) |
| wolfSSL | 0:d92f9d21154c | 203 | |
| wolfSSL | 0:d92f9d21154c | 204 | #define MD5STEP(f, w, x, y, z, data, s) \ |
| wolfSSL | 0:d92f9d21154c | 205 | w = rotlFixed(w + f(x, y, z) + data, s) + x |
| wolfSSL | 0:d92f9d21154c | 206 | |
| wolfSSL | 0:d92f9d21154c | 207 | /* Copy context->state[] to working vars */ |
| wolfSSL | 0:d92f9d21154c | 208 | word32 a = md5->digest[0]; |
| wolfSSL | 0:d92f9d21154c | 209 | word32 b = md5->digest[1]; |
| wolfSSL | 0:d92f9d21154c | 210 | word32 c = md5->digest[2]; |
| wolfSSL | 0:d92f9d21154c | 211 | word32 d = md5->digest[3]; |
| wolfSSL | 0:d92f9d21154c | 212 | |
| wolfSSL | 0:d92f9d21154c | 213 | MD5STEP(F1, a, b, c, d, md5->buffer[0] + 0xd76aa478, 7); |
| wolfSSL | 0:d92f9d21154c | 214 | MD5STEP(F1, d, a, b, c, md5->buffer[1] + 0xe8c7b756, 12); |
| wolfSSL | 0:d92f9d21154c | 215 | MD5STEP(F1, c, d, a, b, md5->buffer[2] + 0x242070db, 17); |
| wolfSSL | 0:d92f9d21154c | 216 | MD5STEP(F1, b, c, d, a, md5->buffer[3] + 0xc1bdceee, 22); |
| wolfSSL | 0:d92f9d21154c | 217 | MD5STEP(F1, a, b, c, d, md5->buffer[4] + 0xf57c0faf, 7); |
| wolfSSL | 0:d92f9d21154c | 218 | MD5STEP(F1, d, a, b, c, md5->buffer[5] + 0x4787c62a, 12); |
| wolfSSL | 0:d92f9d21154c | 219 | MD5STEP(F1, c, d, a, b, md5->buffer[6] + 0xa8304613, 17); |
| wolfSSL | 0:d92f9d21154c | 220 | MD5STEP(F1, b, c, d, a, md5->buffer[7] + 0xfd469501, 22); |
| wolfSSL | 0:d92f9d21154c | 221 | MD5STEP(F1, a, b, c, d, md5->buffer[8] + 0x698098d8, 7); |
| wolfSSL | 0:d92f9d21154c | 222 | MD5STEP(F1, d, a, b, c, md5->buffer[9] + 0x8b44f7af, 12); |
| wolfSSL | 0:d92f9d21154c | 223 | MD5STEP(F1, c, d, a, b, md5->buffer[10] + 0xffff5bb1, 17); |
| wolfSSL | 0:d92f9d21154c | 224 | MD5STEP(F1, b, c, d, a, md5->buffer[11] + 0x895cd7be, 22); |
| wolfSSL | 0:d92f9d21154c | 225 | MD5STEP(F1, a, b, c, d, md5->buffer[12] + 0x6b901122, 7); |
| wolfSSL | 0:d92f9d21154c | 226 | MD5STEP(F1, d, a, b, c, md5->buffer[13] + 0xfd987193, 12); |
| wolfSSL | 0:d92f9d21154c | 227 | MD5STEP(F1, c, d, a, b, md5->buffer[14] + 0xa679438e, 17); |
| wolfSSL | 0:d92f9d21154c | 228 | MD5STEP(F1, b, c, d, a, md5->buffer[15] + 0x49b40821, 22); |
| wolfSSL | 0:d92f9d21154c | 229 | |
| wolfSSL | 0:d92f9d21154c | 230 | MD5STEP(F2, a, b, c, d, md5->buffer[1] + 0xf61e2562, 5); |
| wolfSSL | 0:d92f9d21154c | 231 | MD5STEP(F2, d, a, b, c, md5->buffer[6] + 0xc040b340, 9); |
| wolfSSL | 0:d92f9d21154c | 232 | MD5STEP(F2, c, d, a, b, md5->buffer[11] + 0x265e5a51, 14); |
| wolfSSL | 0:d92f9d21154c | 233 | MD5STEP(F2, b, c, d, a, md5->buffer[0] + 0xe9b6c7aa, 20); |
| wolfSSL | 0:d92f9d21154c | 234 | MD5STEP(F2, a, b, c, d, md5->buffer[5] + 0xd62f105d, 5); |
| wolfSSL | 0:d92f9d21154c | 235 | MD5STEP(F2, d, a, b, c, md5->buffer[10] + 0x02441453, 9); |
| wolfSSL | 0:d92f9d21154c | 236 | MD5STEP(F2, c, d, a, b, md5->buffer[15] + 0xd8a1e681, 14); |
| wolfSSL | 0:d92f9d21154c | 237 | MD5STEP(F2, b, c, d, a, md5->buffer[4] + 0xe7d3fbc8, 20); |
| wolfSSL | 0:d92f9d21154c | 238 | MD5STEP(F2, a, b, c, d, md5->buffer[9] + 0x21e1cde6, 5); |
| wolfSSL | 0:d92f9d21154c | 239 | MD5STEP(F2, d, a, b, c, md5->buffer[14] + 0xc33707d6, 9); |
| wolfSSL | 0:d92f9d21154c | 240 | MD5STEP(F2, c, d, a, b, md5->buffer[3] + 0xf4d50d87, 14); |
| wolfSSL | 0:d92f9d21154c | 241 | MD5STEP(F2, b, c, d, a, md5->buffer[8] + 0x455a14ed, 20); |
| wolfSSL | 0:d92f9d21154c | 242 | MD5STEP(F2, a, b, c, d, md5->buffer[13] + 0xa9e3e905, 5); |
| wolfSSL | 0:d92f9d21154c | 243 | MD5STEP(F2, d, a, b, c, md5->buffer[2] + 0xfcefa3f8, 9); |
| wolfSSL | 0:d92f9d21154c | 244 | MD5STEP(F2, c, d, a, b, md5->buffer[7] + 0x676f02d9, 14); |
| wolfSSL | 0:d92f9d21154c | 245 | MD5STEP(F2, b, c, d, a, md5->buffer[12] + 0x8d2a4c8a, 20); |
| wolfSSL | 0:d92f9d21154c | 246 | |
| wolfSSL | 0:d92f9d21154c | 247 | MD5STEP(F3, a, b, c, d, md5->buffer[5] + 0xfffa3942, 4); |
| wolfSSL | 0:d92f9d21154c | 248 | MD5STEP(F3, d, a, b, c, md5->buffer[8] + 0x8771f681, 11); |
| wolfSSL | 0:d92f9d21154c | 249 | MD5STEP(F3, c, d, a, b, md5->buffer[11] + 0x6d9d6122, 16); |
| wolfSSL | 0:d92f9d21154c | 250 | MD5STEP(F3, b, c, d, a, md5->buffer[14] + 0xfde5380c, 23); |
| wolfSSL | 0:d92f9d21154c | 251 | MD5STEP(F3, a, b, c, d, md5->buffer[1] + 0xa4beea44, 4); |
| wolfSSL | 0:d92f9d21154c | 252 | MD5STEP(F3, d, a, b, c, md5->buffer[4] + 0x4bdecfa9, 11); |
| wolfSSL | 0:d92f9d21154c | 253 | MD5STEP(F3, c, d, a, b, md5->buffer[7] + 0xf6bb4b60, 16); |
| wolfSSL | 0:d92f9d21154c | 254 | MD5STEP(F3, b, c, d, a, md5->buffer[10] + 0xbebfbc70, 23); |
| wolfSSL | 0:d92f9d21154c | 255 | MD5STEP(F3, a, b, c, d, md5->buffer[13] + 0x289b7ec6, 4); |
| wolfSSL | 0:d92f9d21154c | 256 | MD5STEP(F3, d, a, b, c, md5->buffer[0] + 0xeaa127fa, 11); |
| wolfSSL | 0:d92f9d21154c | 257 | MD5STEP(F3, c, d, a, b, md5->buffer[3] + 0xd4ef3085, 16); |
| wolfSSL | 0:d92f9d21154c | 258 | MD5STEP(F3, b, c, d, a, md5->buffer[6] + 0x04881d05, 23); |
| wolfSSL | 0:d92f9d21154c | 259 | MD5STEP(F3, a, b, c, d, md5->buffer[9] + 0xd9d4d039, 4); |
| wolfSSL | 0:d92f9d21154c | 260 | MD5STEP(F3, d, a, b, c, md5->buffer[12] + 0xe6db99e5, 11); |
| wolfSSL | 0:d92f9d21154c | 261 | MD5STEP(F3, c, d, a, b, md5->buffer[15] + 0x1fa27cf8, 16); |
| wolfSSL | 0:d92f9d21154c | 262 | MD5STEP(F3, b, c, d, a, md5->buffer[2] + 0xc4ac5665, 23); |
| wolfSSL | 0:d92f9d21154c | 263 | |
| wolfSSL | 0:d92f9d21154c | 264 | MD5STEP(F4, a, b, c, d, md5->buffer[0] + 0xf4292244, 6); |
| wolfSSL | 0:d92f9d21154c | 265 | MD5STEP(F4, d, a, b, c, md5->buffer[7] + 0x432aff97, 10); |
| wolfSSL | 0:d92f9d21154c | 266 | MD5STEP(F4, c, d, a, b, md5->buffer[14] + 0xab9423a7, 15); |
| wolfSSL | 0:d92f9d21154c | 267 | MD5STEP(F4, b, c, d, a, md5->buffer[5] + 0xfc93a039, 21); |
| wolfSSL | 0:d92f9d21154c | 268 | MD5STEP(F4, a, b, c, d, md5->buffer[12] + 0x655b59c3, 6); |
| wolfSSL | 0:d92f9d21154c | 269 | MD5STEP(F4, d, a, b, c, md5->buffer[3] + 0x8f0ccc92, 10); |
| wolfSSL | 0:d92f9d21154c | 270 | MD5STEP(F4, c, d, a, b, md5->buffer[10] + 0xffeff47d, 15); |
| wolfSSL | 0:d92f9d21154c | 271 | MD5STEP(F4, b, c, d, a, md5->buffer[1] + 0x85845dd1, 21); |
| wolfSSL | 0:d92f9d21154c | 272 | MD5STEP(F4, a, b, c, d, md5->buffer[8] + 0x6fa87e4f, 6); |
| wolfSSL | 0:d92f9d21154c | 273 | MD5STEP(F4, d, a, b, c, md5->buffer[15] + 0xfe2ce6e0, 10); |
| wolfSSL | 0:d92f9d21154c | 274 | MD5STEP(F4, c, d, a, b, md5->buffer[6] + 0xa3014314, 15); |
| wolfSSL | 0:d92f9d21154c | 275 | MD5STEP(F4, b, c, d, a, md5->buffer[13] + 0x4e0811a1, 21); |
| wolfSSL | 0:d92f9d21154c | 276 | MD5STEP(F4, a, b, c, d, md5->buffer[4] + 0xf7537e82, 6); |
| wolfSSL | 0:d92f9d21154c | 277 | MD5STEP(F4, d, a, b, c, md5->buffer[11] + 0xbd3af235, 10); |
| wolfSSL | 0:d92f9d21154c | 278 | MD5STEP(F4, c, d, a, b, md5->buffer[2] + 0x2ad7d2bb, 15); |
| wolfSSL | 0:d92f9d21154c | 279 | MD5STEP(F4, b, c, d, a, md5->buffer[9] + 0xeb86d391, 21); |
| wolfSSL | 0:d92f9d21154c | 280 | |
| wolfSSL | 0:d92f9d21154c | 281 | /* Add the working vars back into digest state[] */ |
| wolfSSL | 0:d92f9d21154c | 282 | md5->digest[0] += a; |
| wolfSSL | 0:d92f9d21154c | 283 | md5->digest[1] += b; |
| wolfSSL | 0:d92f9d21154c | 284 | md5->digest[2] += c; |
| wolfSSL | 0:d92f9d21154c | 285 | md5->digest[3] += d; |
| wolfSSL | 0:d92f9d21154c | 286 | } |
| wolfSSL | 0:d92f9d21154c | 287 | |
| wolfSSL | 0:d92f9d21154c | 288 | #endif /* FREESCALE_MMCAU */ |
| wolfSSL | 0:d92f9d21154c | 289 | |
| wolfSSL | 0:d92f9d21154c | 290 | |
| wolfSSL | 0:d92f9d21154c | 291 | static INLINE void AddLength(Md5* md5, word32 len) |
| wolfSSL | 0:d92f9d21154c | 292 | { |
| wolfSSL | 0:d92f9d21154c | 293 | word32 tmp = md5->loLen; |
| wolfSSL | 0:d92f9d21154c | 294 | if ( (md5->loLen += len) < tmp) |
| wolfSSL | 0:d92f9d21154c | 295 | md5->hiLen++; /* carry low to high */ |
| wolfSSL | 0:d92f9d21154c | 296 | } |
| wolfSSL | 0:d92f9d21154c | 297 | |
| wolfSSL | 0:d92f9d21154c | 298 | |
| wolfSSL | 0:d92f9d21154c | 299 | void wc_Md5Update(Md5* md5, const byte* data, word32 len) |
| wolfSSL | 0:d92f9d21154c | 300 | { |
| wolfSSL | 0:d92f9d21154c | 301 | /* do block size increments */ |
| wolfSSL | 0:d92f9d21154c | 302 | byte* local = (byte*)md5->buffer; |
| wolfSSL | 0:d92f9d21154c | 303 | |
| wolfSSL | 0:d92f9d21154c | 304 | while (len) { |
| wolfSSL | 0:d92f9d21154c | 305 | word32 add = min(len, MD5_BLOCK_SIZE - md5->buffLen); |
| wolfSSL | 0:d92f9d21154c | 306 | XMEMCPY(&local[md5->buffLen], data, add); |
| wolfSSL | 0:d92f9d21154c | 307 | |
| wolfSSL | 0:d92f9d21154c | 308 | md5->buffLen += add; |
| wolfSSL | 0:d92f9d21154c | 309 | data += add; |
| wolfSSL | 0:d92f9d21154c | 310 | len -= add; |
| wolfSSL | 0:d92f9d21154c | 311 | |
| wolfSSL | 0:d92f9d21154c | 312 | if (md5->buffLen == MD5_BLOCK_SIZE) { |
| wolfSSL | 0:d92f9d21154c | 313 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU) |
| wolfSSL | 0:d92f9d21154c | 314 | ByteReverseWords(md5->buffer, md5->buffer, MD5_BLOCK_SIZE); |
| wolfSSL | 0:d92f9d21154c | 315 | #endif |
| wolfSSL | 0:d92f9d21154c | 316 | XTRANSFORM(md5, local); |
| wolfSSL | 0:d92f9d21154c | 317 | AddLength(md5, MD5_BLOCK_SIZE); |
| wolfSSL | 0:d92f9d21154c | 318 | md5->buffLen = 0; |
| wolfSSL | 0:d92f9d21154c | 319 | } |
| wolfSSL | 0:d92f9d21154c | 320 | } |
| wolfSSL | 0:d92f9d21154c | 321 | } |
| wolfSSL | 0:d92f9d21154c | 322 | |
| wolfSSL | 0:d92f9d21154c | 323 | |
| wolfSSL | 0:d92f9d21154c | 324 | void wc_Md5Final(Md5* md5, byte* hash) |
| wolfSSL | 0:d92f9d21154c | 325 | { |
| wolfSSL | 0:d92f9d21154c | 326 | byte* local = (byte*)md5->buffer; |
| wolfSSL | 0:d92f9d21154c | 327 | |
| wolfSSL | 0:d92f9d21154c | 328 | AddLength(md5, md5->buffLen); /* before adding pads */ |
| wolfSSL | 0:d92f9d21154c | 329 | |
| wolfSSL | 0:d92f9d21154c | 330 | local[md5->buffLen++] = 0x80; /* add 1 */ |
| wolfSSL | 0:d92f9d21154c | 331 | |
| wolfSSL | 0:d92f9d21154c | 332 | /* pad with zeros */ |
| wolfSSL | 0:d92f9d21154c | 333 | if (md5->buffLen > MD5_PAD_SIZE) { |
| wolfSSL | 0:d92f9d21154c | 334 | XMEMSET(&local[md5->buffLen], 0, MD5_BLOCK_SIZE - md5->buffLen); |
| wolfSSL | 0:d92f9d21154c | 335 | md5->buffLen += MD5_BLOCK_SIZE - md5->buffLen; |
| wolfSSL | 0:d92f9d21154c | 336 | |
| wolfSSL | 0:d92f9d21154c | 337 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU) |
| wolfSSL | 0:d92f9d21154c | 338 | ByteReverseWords(md5->buffer, md5->buffer, MD5_BLOCK_SIZE); |
| wolfSSL | 0:d92f9d21154c | 339 | #endif |
| wolfSSL | 0:d92f9d21154c | 340 | XTRANSFORM(md5, local); |
| wolfSSL | 0:d92f9d21154c | 341 | md5->buffLen = 0; |
| wolfSSL | 0:d92f9d21154c | 342 | } |
| wolfSSL | 0:d92f9d21154c | 343 | XMEMSET(&local[md5->buffLen], 0, MD5_PAD_SIZE - md5->buffLen); |
| wolfSSL | 0:d92f9d21154c | 344 | |
| wolfSSL | 0:d92f9d21154c | 345 | /* put lengths in bits */ |
| wolfSSL | 0:d92f9d21154c | 346 | md5->hiLen = (md5->loLen >> (8*sizeof(md5->loLen) - 3)) + |
| wolfSSL | 0:d92f9d21154c | 347 | (md5->hiLen << 3); |
| wolfSSL | 0:d92f9d21154c | 348 | md5->loLen = md5->loLen << 3; |
| wolfSSL | 0:d92f9d21154c | 349 | |
| wolfSSL | 0:d92f9d21154c | 350 | /* store lengths */ |
| wolfSSL | 0:d92f9d21154c | 351 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU) |
| wolfSSL | 0:d92f9d21154c | 352 | ByteReverseWords(md5->buffer, md5->buffer, MD5_BLOCK_SIZE); |
| wolfSSL | 0:d92f9d21154c | 353 | #endif |
| wolfSSL | 0:d92f9d21154c | 354 | /* ! length ordering dependent on digest endian type ! */ |
| wolfSSL | 0:d92f9d21154c | 355 | XMEMCPY(&local[MD5_PAD_SIZE], &md5->loLen, sizeof(word32)); |
| wolfSSL | 0:d92f9d21154c | 356 | XMEMCPY(&local[MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32)); |
| wolfSSL | 0:d92f9d21154c | 357 | |
| wolfSSL | 0:d92f9d21154c | 358 | XTRANSFORM(md5, local); |
| wolfSSL | 0:d92f9d21154c | 359 | #ifdef BIG_ENDIAN_ORDER |
| wolfSSL | 0:d92f9d21154c | 360 | ByteReverseWords(md5->digest, md5->digest, MD5_DIGEST_SIZE); |
| wolfSSL | 0:d92f9d21154c | 361 | #endif |
| wolfSSL | 0:d92f9d21154c | 362 | XMEMCPY(hash, md5->digest, MD5_DIGEST_SIZE); |
| wolfSSL | 0:d92f9d21154c | 363 | |
| wolfSSL | 0:d92f9d21154c | 364 | wc_InitMd5(md5); /* reset state */ |
| wolfSSL | 0:d92f9d21154c | 365 | } |
| wolfSSL | 0:d92f9d21154c | 366 | |
| wolfSSL | 0:d92f9d21154c | 367 | #endif /* STM32F2_HASH */ |
| wolfSSL | 0:d92f9d21154c | 368 | |
| wolfSSL | 0:d92f9d21154c | 369 | |
| wolfSSL | 0:d92f9d21154c | 370 | int wc_Md5Hash(const byte* data, word32 len, byte* hash) |
| wolfSSL | 0:d92f9d21154c | 371 | { |
| wolfSSL | 0:d92f9d21154c | 372 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 0:d92f9d21154c | 373 | Md5* md5; |
| wolfSSL | 0:d92f9d21154c | 374 | #else |
| wolfSSL | 0:d92f9d21154c | 375 | Md5 md5[1]; |
| wolfSSL | 0:d92f9d21154c | 376 | #endif |
| wolfSSL | 0:d92f9d21154c | 377 | |
| wolfSSL | 0:d92f9d21154c | 378 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 0:d92f9d21154c | 379 | md5 = (Md5*)XMALLOC(sizeof(Md5), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 0:d92f9d21154c | 380 | if (md5 == NULL) |
| wolfSSL | 0:d92f9d21154c | 381 | return MEMORY_E; |
| wolfSSL | 0:d92f9d21154c | 382 | #endif |
| wolfSSL | 0:d92f9d21154c | 383 | |
| wolfSSL | 0:d92f9d21154c | 384 | wc_InitMd5(md5); |
| wolfSSL | 0:d92f9d21154c | 385 | wc_Md5Update(md5, data, len); |
| wolfSSL | 0:d92f9d21154c | 386 | wc_Md5Final(md5, hash); |
| wolfSSL | 0:d92f9d21154c | 387 | |
| wolfSSL | 0:d92f9d21154c | 388 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 0:d92f9d21154c | 389 | XFREE(md5, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 0:d92f9d21154c | 390 | #endif |
| wolfSSL | 0:d92f9d21154c | 391 | |
| wolfSSL | 0:d92f9d21154c | 392 | return 0; |
| wolfSSL | 0:d92f9d21154c | 393 | } |
| wolfSSL | 0:d92f9d21154c | 394 | |
| wolfSSL | 0:d92f9d21154c | 395 | #endif /* WOLFSSL_TI_HASH */ |
| wolfSSL | 0:d92f9d21154c | 396 | |
| wolfSSL | 0:d92f9d21154c | 397 | #endif /* NO_MD5 */ |
| wolfSSL | 0:d92f9d21154c | 398 |