[453] | 1 | /* md5.c
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| 2 | *
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| 3 | * Copyright (C) 2006-2020 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL.
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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| 20 | */
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| 21 |
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| 22 |
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| 23 |
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| 24 | #ifdef HAVE_CONFIG_H
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| 25 | #include <config.h>
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| 26 | #endif
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| 27 |
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| 28 | #include <wolfssl/wolfcrypt/settings.h>
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| 29 |
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| 30 | #if !defined(NO_MD5)
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| 31 |
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| 32 | #if defined(WOLFSSL_TI_HASH)
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| 33 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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| 34 |
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| 35 | #else
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| 36 |
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| 37 | #include <wolfssl/wolfcrypt/md5.h>
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| 38 | #include <wolfssl/wolfcrypt/error-crypt.h>
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| 39 | #include <wolfssl/wolfcrypt/logging.h>
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| 40 | #include <wolfssl/wolfcrypt/hash.h>
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| 41 |
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| 42 | #ifdef NO_INLINE
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| 43 | #include <wolfssl/wolfcrypt/misc.h>
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| 44 | #else
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| 45 | #define WOLFSSL_MISC_INCLUDED
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| 46 | #include <wolfcrypt/src/misc.c>
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| 47 | #endif
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| 48 |
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| 49 |
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| 50 | /* Hardware Acceleration */
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| 51 | #if defined(STM32_HASH)
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| 52 |
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| 53 | /* Supports CubeMX HAL or Standard Peripheral Library */
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| 54 | #define HAVE_MD5_CUST_API
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| 55 |
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| 56 | int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
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| 57 | {
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| 58 | if (md5 == NULL) {
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| 59 | return BAD_FUNC_ARG;
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| 60 | }
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| 61 |
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| 62 | (void)devId;
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| 63 | (void)heap;
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| 64 |
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| 65 | wc_Stm32_Hash_Init(&md5->stmCtx);
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| 66 |
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| 67 | return 0;
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| 68 | }
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| 69 |
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| 70 | int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
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| 71 | {
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| 72 | int ret;
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| 73 |
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| 74 | if (md5 == NULL || (data == NULL && len > 0)) {
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| 75 | return BAD_FUNC_ARG;
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| 76 | }
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| 77 |
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| 78 | ret = wolfSSL_CryptHwMutexLock();
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| 79 | if (ret == 0) {
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| 80 | ret = wc_Stm32_Hash_Update(&md5->stmCtx, HASH_AlgoSelection_MD5,
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| 81 | data, len);
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| 82 | wolfSSL_CryptHwMutexUnLock();
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| 83 | }
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| 84 | return ret;
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| 85 | }
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| 86 |
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| 87 | int wc_Md5Final(wc_Md5* md5, byte* hash)
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| 88 | {
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| 89 | int ret;
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| 90 |
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| 91 | if (md5 == NULL || hash == NULL) {
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| 92 | return BAD_FUNC_ARG;
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| 93 | }
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| 94 |
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| 95 | ret = wolfSSL_CryptHwMutexLock();
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| 96 | if (ret == 0) {
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| 97 | ret = wc_Stm32_Hash_Final(&md5->stmCtx, HASH_AlgoSelection_MD5,
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| 98 | hash, WC_MD5_DIGEST_SIZE);
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| 99 | wolfSSL_CryptHwMutexUnLock();
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| 100 | }
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| 101 |
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| 102 | (void)wc_InitMd5(md5); /* reset state */
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| 103 |
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| 104 | return ret;
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| 105 | }
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| 106 |
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| 107 | #elif defined(FREESCALE_MMCAU_SHA)
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| 108 |
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| 109 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 110 | #include "cau_api.h"
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| 111 | #else
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| 112 | #include "fsl_mmcau.h"
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| 113 | #endif
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| 114 |
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| 115 | #define XTRANSFORM(S,B) Transform((S), (B))
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| 116 | #define XTRANSFORM_LEN(S,B,L) Transform_Len((S), (B), (L))
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| 117 |
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| 118 | #ifndef WC_HASH_DATA_ALIGNMENT
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| 119 | /* these hardware API's require 4 byte (word32) alignment */
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| 120 | #define WC_HASH_DATA_ALIGNMENT 4
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| 121 | #endif
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| 122 |
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| 123 | static int Transform(wc_Md5* md5, const byte* data)
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| 124 | {
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| 125 | int ret = wolfSSL_CryptHwMutexLock();
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| 126 | if (ret == 0) {
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| 127 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 128 | cau_md5_hash_n((byte*)data, 1, (unsigned char*)md5->digest);
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| 129 | #else
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| 130 | MMCAU_MD5_HashN((byte*)data, 1, (uint32_t*)md5->digest);
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| 131 | #endif
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| 132 | wolfSSL_CryptHwMutexUnLock();
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| 133 | }
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| 134 | return ret;
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| 135 | }
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| 136 |
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| 137 | static int Transform_Len(wc_Md5* md5, const byte* data, word32 len)
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| 138 | {
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| 139 | int ret = wolfSSL_CryptHwMutexLock();
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| 140 | if (ret == 0) {
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| 141 | #if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0
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| 142 | if ((size_t)data % WC_HASH_DATA_ALIGNMENT) {
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| 143 | /* data pointer is NOT aligned,
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| 144 | * so copy and perform one block at a time */
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| 145 | byte* local = (byte*)md5->buffer;
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| 146 | while (len >= WC_MD5_BLOCK_SIZE) {
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| 147 | XMEMCPY(local, data, WC_MD5_BLOCK_SIZE);
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| 148 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 149 | cau_md5_hash_n(local, 1, (unsigned char*)md5->digest);
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| 150 | #else
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| 151 | MMCAU_MD5_HashN(local, 1, (uint32_t*)md5->digest);
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| 152 | #endif
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| 153 | data += WC_MD5_BLOCK_SIZE;
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| 154 | len -= WC_MD5_BLOCK_SIZE;
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| 155 | }
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| 156 | }
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| 157 | else
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| 158 | #endif
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| 159 | {
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| 160 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 161 | cau_md5_hash_n((byte*)data, len / WC_MD5_BLOCK_SIZE,
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| 162 | (unsigned char*)md5->digest);
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| 163 | #else
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| 164 | MMCAU_MD5_HashN((byte*)data, len / WC_MD5_BLOCK_SIZE,
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| 165 | (uint32_t*)md5->digest);
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| 166 | #endif
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| 167 | }
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| 168 | wolfSSL_CryptHwMutexUnLock();
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| 169 | }
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| 170 | return ret;
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| 171 | }
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| 172 |
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| 173 | #elif defined(WOLFSSL_PIC32MZ_HASH)
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| 174 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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| 175 | #define HAVE_MD5_CUST_API
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| 176 |
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| 177 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
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| 178 | /* functions implemented in wolfcrypt/src/port/caam/caam_sha.c */
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| 179 | #define HAVE_MD5_CUST_API
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| 180 | #else
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| 181 | #define NEED_SOFT_MD5
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| 182 | #endif /* End Hardware Acceleration */
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| 183 |
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| 184 | #ifdef NEED_SOFT_MD5
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| 185 |
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| 186 | #define XTRANSFORM(S,B) Transform((S),(B))
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| 187 |
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| 188 | #define F1(x, y, z) (z ^ (x & (y ^ z)))
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| 189 | #define F2(x, y, z) F1(z, x, y)
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| 190 | #define F3(x, y, z) (x ^ y ^ z)
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| 191 | #define F4(x, y, z) (y ^ (x | ~z))
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| 192 |
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| 193 | #define MD5STEP(f, w, x, y, z, data, s) \
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| 194 | w = rotlFixed(w + f(x, y, z) + data, s) + x
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| 195 |
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| 196 | static int Transform(wc_Md5* md5, const byte* data)
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| 197 | {
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| 198 | word32* buffer = (word32*)data;
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| 199 | /* Copy context->state[] to working vars */
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| 200 | word32 a = md5->digest[0];
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| 201 | word32 b = md5->digest[1];
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| 202 | word32 c = md5->digest[2];
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| 203 | word32 d = md5->digest[3];
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| 204 |
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| 205 | MD5STEP(F1, a, b, c, d, buffer[0] + 0xd76aa478, 7);
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| 206 | MD5STEP(F1, d, a, b, c, buffer[1] + 0xe8c7b756, 12);
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| 207 | MD5STEP(F1, c, d, a, b, buffer[2] + 0x242070db, 17);
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| 208 | MD5STEP(F1, b, c, d, a, buffer[3] + 0xc1bdceee, 22);
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| 209 | MD5STEP(F1, a, b, c, d, buffer[4] + 0xf57c0faf, 7);
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| 210 | MD5STEP(F1, d, a, b, c, buffer[5] + 0x4787c62a, 12);
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| 211 | MD5STEP(F1, c, d, a, b, buffer[6] + 0xa8304613, 17);
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| 212 | MD5STEP(F1, b, c, d, a, buffer[7] + 0xfd469501, 22);
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| 213 | MD5STEP(F1, a, b, c, d, buffer[8] + 0x698098d8, 7);
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| 214 | MD5STEP(F1, d, a, b, c, buffer[9] + 0x8b44f7af, 12);
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| 215 | MD5STEP(F1, c, d, a, b, buffer[10] + 0xffff5bb1, 17);
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| 216 | MD5STEP(F1, b, c, d, a, buffer[11] + 0x895cd7be, 22);
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| 217 | MD5STEP(F1, a, b, c, d, buffer[12] + 0x6b901122, 7);
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| 218 | MD5STEP(F1, d, a, b, c, buffer[13] + 0xfd987193, 12);
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| 219 | MD5STEP(F1, c, d, a, b, buffer[14] + 0xa679438e, 17);
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| 220 | MD5STEP(F1, b, c, d, a, buffer[15] + 0x49b40821, 22);
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| 221 |
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| 222 | MD5STEP(F2, a, b, c, d, buffer[1] + 0xf61e2562, 5);
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| 223 | MD5STEP(F2, d, a, b, c, buffer[6] + 0xc040b340, 9);
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| 224 | MD5STEP(F2, c, d, a, b, buffer[11] + 0x265e5a51, 14);
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| 225 | MD5STEP(F2, b, c, d, a, buffer[0] + 0xe9b6c7aa, 20);
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| 226 | MD5STEP(F2, a, b, c, d, buffer[5] + 0xd62f105d, 5);
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| 227 | MD5STEP(F2, d, a, b, c, buffer[10] + 0x02441453, 9);
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| 228 | MD5STEP(F2, c, d, a, b, buffer[15] + 0xd8a1e681, 14);
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| 229 | MD5STEP(F2, b, c, d, a, buffer[4] + 0xe7d3fbc8, 20);
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| 230 | MD5STEP(F2, a, b, c, d, buffer[9] + 0x21e1cde6, 5);
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| 231 | MD5STEP(F2, d, a, b, c, buffer[14] + 0xc33707d6, 9);
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| 232 | MD5STEP(F2, c, d, a, b, buffer[3] + 0xf4d50d87, 14);
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| 233 | MD5STEP(F2, b, c, d, a, buffer[8] + 0x455a14ed, 20);
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| 234 | MD5STEP(F2, a, b, c, d, buffer[13] + 0xa9e3e905, 5);
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| 235 | MD5STEP(F2, d, a, b, c, buffer[2] + 0xfcefa3f8, 9);
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| 236 | MD5STEP(F2, c, d, a, b, buffer[7] + 0x676f02d9, 14);
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| 237 | MD5STEP(F2, b, c, d, a, buffer[12] + 0x8d2a4c8a, 20);
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| 238 |
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| 239 | MD5STEP(F3, a, b, c, d, buffer[5] + 0xfffa3942, 4);
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| 240 | MD5STEP(F3, d, a, b, c, buffer[8] + 0x8771f681, 11);
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| 241 | MD5STEP(F3, c, d, a, b, buffer[11] + 0x6d9d6122, 16);
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| 242 | MD5STEP(F3, b, c, d, a, buffer[14] + 0xfde5380c, 23);
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| 243 | MD5STEP(F3, a, b, c, d, buffer[1] + 0xa4beea44, 4);
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| 244 | MD5STEP(F3, d, a, b, c, buffer[4] + 0x4bdecfa9, 11);
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| 245 | MD5STEP(F3, c, d, a, b, buffer[7] + 0xf6bb4b60, 16);
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| 246 | MD5STEP(F3, b, c, d, a, buffer[10] + 0xbebfbc70, 23);
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| 247 | MD5STEP(F3, a, b, c, d, buffer[13] + 0x289b7ec6, 4);
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| 248 | MD5STEP(F3, d, a, b, c, buffer[0] + 0xeaa127fa, 11);
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| 249 | MD5STEP(F3, c, d, a, b, buffer[3] + 0xd4ef3085, 16);
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| 250 | MD5STEP(F3, b, c, d, a, buffer[6] + 0x04881d05, 23);
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| 251 | MD5STEP(F3, a, b, c, d, buffer[9] + 0xd9d4d039, 4);
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| 252 | MD5STEP(F3, d, a, b, c, buffer[12] + 0xe6db99e5, 11);
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| 253 | MD5STEP(F3, c, d, a, b, buffer[15] + 0x1fa27cf8, 16);
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| 254 | MD5STEP(F3, b, c, d, a, buffer[2] + 0xc4ac5665, 23);
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| 255 |
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| 256 | MD5STEP(F4, a, b, c, d, buffer[0] + 0xf4292244, 6);
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| 257 | MD5STEP(F4, d, a, b, c, buffer[7] + 0x432aff97, 10);
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| 258 | MD5STEP(F4, c, d, a, b, buffer[14] + 0xab9423a7, 15);
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| 259 | MD5STEP(F4, b, c, d, a, buffer[5] + 0xfc93a039, 21);
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| 260 | MD5STEP(F4, a, b, c, d, buffer[12] + 0x655b59c3, 6);
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| 261 | MD5STEP(F4, d, a, b, c, buffer[3] + 0x8f0ccc92, 10);
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| 262 | MD5STEP(F4, c, d, a, b, buffer[10] + 0xffeff47d, 15);
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| 263 | MD5STEP(F4, b, c, d, a, buffer[1] + 0x85845dd1, 21);
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| 264 | MD5STEP(F4, a, b, c, d, buffer[8] + 0x6fa87e4f, 6);
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| 265 | MD5STEP(F4, d, a, b, c, buffer[15] + 0xfe2ce6e0, 10);
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| 266 | MD5STEP(F4, c, d, a, b, buffer[6] + 0xa3014314, 15);
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| 267 | MD5STEP(F4, b, c, d, a, buffer[13] + 0x4e0811a1, 21);
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| 268 | MD5STEP(F4, a, b, c, d, buffer[4] + 0xf7537e82, 6);
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| 269 | MD5STEP(F4, d, a, b, c, buffer[11] + 0xbd3af235, 10);
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| 270 | MD5STEP(F4, c, d, a, b, buffer[2] + 0x2ad7d2bb, 15);
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| 271 | MD5STEP(F4, b, c, d, a, buffer[9] + 0xeb86d391, 21);
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| 272 |
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| 273 | /* Add the working vars back into digest state[] */
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| 274 | md5->digest[0] += a;
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| 275 | md5->digest[1] += b;
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| 276 | md5->digest[2] += c;
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| 277 | md5->digest[3] += d;
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| 278 |
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| 279 | return 0;
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| 280 | }
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| 281 | #endif /* NEED_SOFT_MD5 */
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| 282 |
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| 283 | #ifndef HAVE_MD5_CUST_API
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| 284 |
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| 285 | static WC_INLINE void AddLength(wc_Md5* md5, word32 len)
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| 286 | {
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| 287 | word32 tmp = md5->loLen;
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| 288 | if ((md5->loLen += len) < tmp) {
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| 289 | md5->hiLen++; /* carry low to high */
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| 290 | }
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| 291 | }
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| 292 |
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| 293 | static int _InitMd5(wc_Md5* md5)
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| 294 | {
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| 295 | int ret = 0;
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| 296 |
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| 297 | md5->digest[0] = 0x67452301L;
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| 298 | md5->digest[1] = 0xefcdab89L;
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| 299 | md5->digest[2] = 0x98badcfeL;
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| 300 | md5->digest[3] = 0x10325476L;
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| 301 |
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| 302 | md5->buffLen = 0;
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| 303 | md5->loLen = 0;
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| 304 | md5->hiLen = 0;
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| 305 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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| 306 | md5->flags = 0;
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| 307 | #endif
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| 308 |
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| 309 | return ret;
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| 310 | }
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| 311 |
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| 312 | int wc_InitMd5_ex(wc_Md5* md5, void* heap, int devId)
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| 313 | {
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| 314 | int ret = 0;
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| 315 |
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| 316 | if (md5 == NULL)
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| 317 | return BAD_FUNC_ARG;
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| 318 |
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| 319 | md5->heap = heap;
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| 320 |
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| 321 | ret = _InitMd5(md5);
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| 322 | if (ret != 0)
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| 323 | return ret;
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| 324 |
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| 325 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
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| 326 | ret = wolfAsync_DevCtxInit(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5,
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| 327 | md5->heap, devId);
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| 328 | #else
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| 329 | (void)devId;
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| 330 | #endif
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| 331 | return ret;
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| 332 | }
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| 333 |
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| 334 | /* do block size increments/updates */
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| 335 | int wc_Md5Update(wc_Md5* md5, const byte* data, word32 len)
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| 336 | {
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| 337 | int ret = 0;
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| 338 | word32 blocksLen;
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| 339 | byte* local;
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| 340 |
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| 341 | if (md5 == NULL || (data == NULL && len > 0)) {
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| 342 | return BAD_FUNC_ARG;
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| 343 | }
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| 344 |
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| 345 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
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| 346 | if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
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| 347 | #if defined(HAVE_INTEL_QA)
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| 348 | return IntelQaSymMd5(&md5->asyncDev, NULL, data, len);
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| 349 | #endif
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| 350 | }
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| 351 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
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| 352 |
|
---|
| 353 | /* check that internal buffLen is valid */
|
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| 354 | if (md5->buffLen >= WC_MD5_BLOCK_SIZE)
|
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| 355 | return BUFFER_E;
|
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| 356 |
|
---|
| 357 | if (data == NULL && len == 0) {
|
---|
| 358 | /* valid, but do nothing */
|
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| 359 | return 0;
|
---|
| 360 | }
|
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| 361 |
|
---|
| 362 | /* add length for final */
|
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| 363 | AddLength(md5, len);
|
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| 364 |
|
---|
| 365 | local = (byte*)md5->buffer;
|
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| 366 |
|
---|
| 367 | /* process any remainder from previous operation */
|
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| 368 | if (md5->buffLen > 0) {
|
---|
| 369 | blocksLen = min(len, WC_MD5_BLOCK_SIZE - md5->buffLen);
|
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| 370 | XMEMCPY(&local[md5->buffLen], data, blocksLen);
|
---|
| 371 |
|
---|
| 372 | md5->buffLen += blocksLen;
|
---|
| 373 | data += blocksLen;
|
---|
| 374 | len -= blocksLen;
|
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| 375 |
|
---|
| 376 | if (md5->buffLen == WC_MD5_BLOCK_SIZE) {
|
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| 377 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 378 | ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
|
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| 379 | #endif
|
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| 380 |
|
---|
| 381 | ret = XTRANSFORM(md5, (const byte*)local);
|
---|
| 382 | if (ret != 0)
|
---|
| 383 | return ret;
|
---|
| 384 |
|
---|
| 385 | md5->buffLen = 0;
|
---|
| 386 | }
|
---|
| 387 | }
|
---|
| 388 |
|
---|
| 389 | /* process blocks */
|
---|
| 390 | #ifdef XTRANSFORM_LEN
|
---|
| 391 | /* get number of blocks */
|
---|
| 392 | /* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */
|
---|
| 393 | /* len (masked by 0xFFFFFFC0) returns block aligned length */
|
---|
| 394 | blocksLen = len & ~(WC_MD5_BLOCK_SIZE-1);
|
---|
| 395 | if (blocksLen > 0) {
|
---|
| 396 | /* Byte reversal performed in function if required. */
|
---|
| 397 | XTRANSFORM_LEN(md5, data, blocksLen);
|
---|
| 398 | data += blocksLen;
|
---|
| 399 | len -= blocksLen;
|
---|
| 400 | }
|
---|
| 401 | #else
|
---|
| 402 | while (len >= WC_MD5_BLOCK_SIZE) {
|
---|
| 403 | word32* local32 = md5->buffer;
|
---|
| 404 | /* optimization to avoid memcpy if data pointer is properly aligned */
|
---|
| 405 | /* Big Endian requires byte swap, so can't use data directly */
|
---|
| 406 | #if defined(WC_HASH_DATA_ALIGNMENT) && !defined(BIG_ENDIAN_ORDER)
|
---|
| 407 | if (((size_t)data % WC_HASH_DATA_ALIGNMENT) == 0) {
|
---|
| 408 | local32 = (word32*)data;
|
---|
| 409 | }
|
---|
| 410 | else
|
---|
| 411 | #endif
|
---|
| 412 | {
|
---|
| 413 | XMEMCPY(local32, data, WC_MD5_BLOCK_SIZE);
|
---|
| 414 | }
|
---|
| 415 |
|
---|
| 416 | data += WC_MD5_BLOCK_SIZE;
|
---|
| 417 | len -= WC_MD5_BLOCK_SIZE;
|
---|
| 418 |
|
---|
| 419 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 420 | ByteReverseWords(local32, local32, WC_MD5_BLOCK_SIZE);
|
---|
| 421 | #endif
|
---|
| 422 |
|
---|
| 423 | ret = XTRANSFORM(md5, (const byte*)local32);
|
---|
| 424 | }
|
---|
| 425 | #endif /* XTRANSFORM_LEN */
|
---|
| 426 |
|
---|
| 427 | /* save remainder */
|
---|
| 428 | if (len > 0) {
|
---|
| 429 | XMEMCPY(local, data, len);
|
---|
| 430 | md5->buffLen = len;
|
---|
| 431 | }
|
---|
| 432 |
|
---|
| 433 | return ret;
|
---|
| 434 | }
|
---|
| 435 |
|
---|
| 436 | int wc_Md5Final(wc_Md5* md5, byte* hash)
|
---|
| 437 | {
|
---|
| 438 | byte* local;
|
---|
| 439 |
|
---|
| 440 | if (md5 == NULL || hash == NULL) {
|
---|
| 441 | return BAD_FUNC_ARG;
|
---|
| 442 | }
|
---|
| 443 |
|
---|
| 444 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
|
---|
| 445 | if (md5->asyncDev.marker == WOLFSSL_ASYNC_MARKER_MD5) {
|
---|
| 446 | #if defined(HAVE_INTEL_QA)
|
---|
| 447 | return IntelQaSymMd5(&md5->asyncDev, hash, NULL, WC_MD5_DIGEST_SIZE);
|
---|
| 448 | #endif
|
---|
| 449 | }
|
---|
| 450 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 451 |
|
---|
| 452 | local = (byte*)md5->buffer;
|
---|
| 453 |
|
---|
| 454 | local[md5->buffLen++] = 0x80; /* add 1 */
|
---|
| 455 |
|
---|
| 456 | /* pad with zeros */
|
---|
| 457 | if (md5->buffLen > WC_MD5_PAD_SIZE) {
|
---|
| 458 | XMEMSET(&local[md5->buffLen], 0, WC_MD5_BLOCK_SIZE - md5->buffLen);
|
---|
| 459 | md5->buffLen += WC_MD5_BLOCK_SIZE - md5->buffLen;
|
---|
| 460 |
|
---|
| 461 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 462 | ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
|
---|
| 463 | #endif
|
---|
| 464 | XTRANSFORM(md5, local);
|
---|
| 465 | md5->buffLen = 0;
|
---|
| 466 | }
|
---|
| 467 | XMEMSET(&local[md5->buffLen], 0, WC_MD5_PAD_SIZE - md5->buffLen);
|
---|
| 468 |
|
---|
| 469 | #if defined(BIG_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 470 | ByteReverseWords(md5->buffer, md5->buffer, WC_MD5_BLOCK_SIZE);
|
---|
| 471 | #endif
|
---|
| 472 |
|
---|
| 473 | /* put lengths in bits */
|
---|
| 474 | md5->hiLen = (md5->loLen >> (8 * sizeof(md5->loLen) - 3)) +
|
---|
| 475 | (md5->hiLen << 3);
|
---|
| 476 | md5->loLen = md5->loLen << 3;
|
---|
| 477 |
|
---|
| 478 | /* store lengths */
|
---|
| 479 | /* ! length ordering dependent on digest endian type ! */
|
---|
| 480 | XMEMCPY(&local[WC_MD5_PAD_SIZE], &md5->loLen, sizeof(word32));
|
---|
| 481 | XMEMCPY(&local[WC_MD5_PAD_SIZE + sizeof(word32)], &md5->hiLen, sizeof(word32));
|
---|
| 482 |
|
---|
| 483 | /* final transform and result to hash */
|
---|
| 484 | XTRANSFORM(md5, local);
|
---|
| 485 | #ifdef BIG_ENDIAN_ORDER
|
---|
| 486 | ByteReverseWords(md5->digest, md5->digest, WC_MD5_DIGEST_SIZE);
|
---|
| 487 | #endif
|
---|
| 488 | XMEMCPY(hash, md5->digest, WC_MD5_DIGEST_SIZE);
|
---|
| 489 |
|
---|
| 490 | return _InitMd5(md5); /* reset state */
|
---|
| 491 | }
|
---|
| 492 | #endif /* !HAVE_MD5_CUST_API */
|
---|
| 493 |
|
---|
| 494 |
|
---|
| 495 | int wc_InitMd5(wc_Md5* md5)
|
---|
| 496 | {
|
---|
| 497 | if (md5 == NULL) {
|
---|
| 498 | return BAD_FUNC_ARG;
|
---|
| 499 | }
|
---|
| 500 | return wc_InitMd5_ex(md5, NULL, INVALID_DEVID);
|
---|
| 501 | }
|
---|
| 502 |
|
---|
| 503 | void wc_Md5Free(wc_Md5* md5)
|
---|
| 504 | {
|
---|
| 505 | if (md5 == NULL)
|
---|
| 506 | return;
|
---|
| 507 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_MD5)
|
---|
| 508 | wolfAsync_DevCtxFree(&md5->asyncDev, WOLFSSL_ASYNC_MARKER_MD5);
|
---|
| 509 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 510 |
|
---|
| 511 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
| 512 | wc_Md5Pic32Free(md5);
|
---|
| 513 | #endif
|
---|
| 514 | }
|
---|
| 515 |
|
---|
| 516 | int wc_Md5GetHash(wc_Md5* md5, byte* hash)
|
---|
| 517 | {
|
---|
| 518 | int ret;
|
---|
| 519 | wc_Md5 tmpMd5;
|
---|
| 520 |
|
---|
| 521 | if (md5 == NULL || hash == NULL)
|
---|
| 522 | return BAD_FUNC_ARG;
|
---|
| 523 |
|
---|
| 524 | ret = wc_Md5Copy(md5, &tmpMd5);
|
---|
| 525 | if (ret == 0) {
|
---|
| 526 | ret = wc_Md5Final(&tmpMd5, hash);
|
---|
| 527 | }
|
---|
| 528 |
|
---|
| 529 | return ret;
|
---|
| 530 | }
|
---|
| 531 |
|
---|
| 532 | int wc_Md5Copy(wc_Md5* src, wc_Md5* dst)
|
---|
| 533 | {
|
---|
| 534 | int ret = 0;
|
---|
| 535 |
|
---|
| 536 | if (src == NULL || dst == NULL)
|
---|
| 537 | return BAD_FUNC_ARG;
|
---|
| 538 |
|
---|
| 539 | XMEMCPY(dst, src, sizeof(wc_Md5));
|
---|
| 540 |
|
---|
| 541 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
| 542 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
| 543 | #endif
|
---|
| 544 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
| 545 | ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
---|
| 546 | #endif
|
---|
| 547 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 548 | dst->flags |= WC_HASH_FLAG_ISCOPY;
|
---|
| 549 | #endif
|
---|
| 550 |
|
---|
| 551 | return ret;
|
---|
| 552 | }
|
---|
| 553 |
|
---|
| 554 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 555 | int wc_Md5SetFlags(wc_Md5* md5, word32 flags)
|
---|
| 556 | {
|
---|
| 557 | if (md5) {
|
---|
| 558 | md5->flags = flags;
|
---|
| 559 | }
|
---|
| 560 | return 0;
|
---|
| 561 | }
|
---|
| 562 | int wc_Md5GetFlags(wc_Md5* md5, word32* flags)
|
---|
| 563 | {
|
---|
| 564 | if (md5 && flags) {
|
---|
| 565 | *flags = md5->flags;
|
---|
| 566 | }
|
---|
| 567 | return 0;
|
---|
| 568 | }
|
---|
| 569 | #endif
|
---|
| 570 |
|
---|
| 571 | #endif /* WOLFSSL_TI_HASH */
|
---|
| 572 | #endif /* NO_MD5 */
|
---|