1 | /* sha.c
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2 | *
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3 | * Copyright (C) 2006-2017 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 | #ifdef HAVE_CONFIG_H
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24 | #include <config.h>
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25 | #endif
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26 |
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27 | #include <wolfssl/wolfcrypt/settings.h>
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28 |
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29 | #if !defined(NO_SHA)
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30 |
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31 | #if defined(HAVE_FIPS) && \
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32 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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33 |
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34 | /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
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35 | #define FIPS_NO_WRAPPERS
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36 |
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37 | #ifdef USE_WINDOWS_API
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38 | #pragma code_seg(".fipsA$j")
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39 | #pragma const_seg(".fipsB$j")
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40 | #endif
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41 | #endif
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42 |
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43 | #include <wolfssl/wolfcrypt/sha.h>
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44 | #include <wolfssl/wolfcrypt/error-crypt.h>
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45 |
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46 | /* fips wrapper calls, user can call direct */
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47 | #if defined(HAVE_FIPS) && \
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48 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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49 |
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50 | int wc_InitSha(wc_Sha* sha)
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51 | {
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52 | if (sha == NULL) {
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53 | return BAD_FUNC_ARG;
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54 | }
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55 | return InitSha_fips(sha);
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56 | }
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57 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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58 | {
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59 | (void)heap;
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60 | (void)devId;
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61 | if (sha == NULL) {
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62 | return BAD_FUNC_ARG;
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63 | }
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64 | return InitSha_fips(sha);
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65 | }
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66 |
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67 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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68 | {
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69 | if (sha == NULL || (data == NULL && len > 0)) {
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70 | return BAD_FUNC_ARG;
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71 | }
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72 | return ShaUpdate_fips(sha, data, len);
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73 | }
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74 |
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75 | int wc_ShaFinal(wc_Sha* sha, byte* out)
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76 | {
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77 | if (sha == NULL || out == NULL) {
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78 | return BAD_FUNC_ARG;
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79 | }
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80 | return ShaFinal_fips(sha,out);
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81 | }
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82 | void wc_ShaFree(wc_Sha* sha)
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83 | {
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84 | (void)sha;
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85 | /* Not supported in FIPS */
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86 | }
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87 |
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88 | #else /* else build without fips, or for FIPS v2 */
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89 |
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90 |
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91 | #if defined(WOLFSSL_TI_HASH)
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92 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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93 |
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94 | #else
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95 |
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96 | #include <wolfssl/wolfcrypt/logging.h>
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97 | #ifdef NO_INLINE
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98 | #include <wolfssl/wolfcrypt/misc.h>
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99 | #else
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100 | #define WOLFSSL_MISC_INCLUDED
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101 | #include <wolfcrypt/src/misc.c>
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102 | #endif
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103 |
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104 |
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105 | /* Hardware Acceleration */
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106 | #if defined(WOLFSSL_PIC32MZ_HASH)
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107 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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108 |
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109 | #elif defined(STM32_HASH)
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110 |
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111 | /* Supports CubeMX HAL or Standard Peripheral Library */
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112 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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113 | {
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114 | if (sha == NULL) {
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115 | return BAD_FUNC_ARG;
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116 | }
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117 |
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118 | (void)devId;
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119 | (void)heap;
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120 |
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121 | wc_Stm32_Hash_Init(&sha->stmCtx);
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122 |
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123 | return 0;
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124 | }
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125 |
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126 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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127 | {
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128 | int ret;
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129 |
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130 | if (sha == NULL || (data == NULL && len > 0)) {
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131 | return BAD_FUNC_ARG;
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132 | }
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133 |
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134 | ret = wolfSSL_CryptHwMutexLock();
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135 | if (ret == 0) {
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136 | ret = wc_Stm32_Hash_Update(&sha->stmCtx, HASH_AlgoSelection_SHA1,
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137 | data, len);
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138 | wolfSSL_CryptHwMutexUnLock();
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139 | }
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140 | return ret;
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141 | }
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142 |
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143 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
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144 | {
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145 | int ret;
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146 |
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147 | if (sha == NULL || hash == NULL) {
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148 | return BAD_FUNC_ARG;
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149 | }
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150 |
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151 | ret = wolfSSL_CryptHwMutexLock();
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152 | if (ret == 0) {
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153 | ret = wc_Stm32_Hash_Final(&sha->stmCtx, HASH_AlgoSelection_SHA1,
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154 | hash, WC_SHA_DIGEST_SIZE);
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155 | wolfSSL_CryptHwMutexUnLock();
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156 | }
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157 |
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158 | (void)wc_InitSha(sha); /* reset state */
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159 |
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160 | return ret;
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161 | }
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162 |
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163 |
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164 | #elif defined(FREESCALE_LTC_SHA)
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165 |
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166 | #include "fsl_ltc.h"
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167 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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168 | {
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169 | if (sha == NULL) {
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170 | return BAD_FUNC_ARG;
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171 | }
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172 |
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173 | (void)devId;
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174 | (void)heap;
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175 |
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176 | LTC_HASH_Init(LTC_BASE, &sha->ctx, kLTC_Sha1, NULL, 0);
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177 | return 0;
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178 | }
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179 |
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180 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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181 | {
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182 | LTC_HASH_Update(&sha->ctx, data, len);
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183 | return 0;
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184 | }
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185 |
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186 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
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187 | {
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188 | uint32_t hashlen = WC_SHA_DIGEST_SIZE;
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189 | LTC_HASH_Finish(&sha->ctx, hash, &hashlen);
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190 | return wc_InitSha(sha); /* reset state */
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191 | }
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192 |
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193 |
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194 | #elif defined(FREESCALE_MMCAU_SHA)
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195 |
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196 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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197 | #include "cau_api.h"
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198 | #else
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199 | #include "fsl_mmcau.h"
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200 | #endif
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201 |
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202 | #define USE_SHA_SOFTWARE_IMPL /* Only for API's, actual transform is here */
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203 | #define XTRANSFORM(S,B) Transform((S),(B))
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204 |
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205 | static int InitSha(wc_Sha* sha)
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206 | {
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207 | int ret = 0;
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208 | ret = wolfSSL_CryptHwMutexLock();
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209 | if (ret != 0) {
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210 | return ret;
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211 | }
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212 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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213 | cau_sha1_initialize_output(sha->digest);
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214 | #else
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215 | MMCAU_SHA1_InitializeOutput((uint32_t*)sha->digest);
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216 | #endif
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217 | wolfSSL_CryptHwMutexUnLock();
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218 |
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219 | sha->buffLen = 0;
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220 | sha->loLen = 0;
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221 | sha->hiLen = 0;
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222 |
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223 | return ret;
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224 | }
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225 |
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226 | static int Transform(wc_Sha* sha, byte* data)
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227 | {
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228 | int ret = wolfSSL_CryptHwMutexLock();
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229 | if(ret == 0) {
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230 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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231 | cau_sha1_hash_n(data, 1, sha->digest);
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232 | #else
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233 | MMCAU_SHA1_HashN(data, 1, (uint32_t*)sha->digest);
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234 | #endif
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235 | wolfSSL_CryptHwMutexUnLock();
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236 | }
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237 | return ret;
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238 | }
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239 |
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240 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
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241 | /* wolfcrypt/src/port/caam/caam_sha.c */
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242 | #else
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243 |
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244 | /* Software implementation */
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245 | #define USE_SHA_SOFTWARE_IMPL
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246 |
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247 | static int InitSha(wc_Sha* sha)
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248 | {
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249 | int ret = 0;
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250 |
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251 | sha->digest[0] = 0x67452301L;
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252 | sha->digest[1] = 0xEFCDAB89L;
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253 | sha->digest[2] = 0x98BADCFEL;
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254 | sha->digest[3] = 0x10325476L;
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255 | sha->digest[4] = 0xC3D2E1F0L;
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256 |
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257 | sha->buffLen = 0;
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258 | sha->loLen = 0;
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259 | sha->hiLen = 0;
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260 |
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261 | return ret;
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262 | }
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263 |
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264 | #endif /* End Hardware Acceleration */
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265 |
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266 |
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267 | /* Software implementation */
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268 | #ifdef USE_SHA_SOFTWARE_IMPL
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269 |
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270 | static WC_INLINE void AddLength(wc_Sha* sha, word32 len)
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271 | {
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272 | word32 tmp = sha->loLen;
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273 | if ((sha->loLen += len) < tmp)
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274 | sha->hiLen++; /* carry low to high */
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275 | }
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276 |
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277 | /* Check if custom wc_Sha transform is used */
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278 | #ifndef XTRANSFORM
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279 | #define XTRANSFORM(S,B) Transform((S),(B))
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280 |
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281 | #define blk0(i) (W[i] = sha->buffer[i])
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282 | #define blk1(i) (W[(i)&15] = \
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283 | rotlFixed(W[((i)+13)&15]^W[((i)+8)&15]^W[((i)+2)&15]^W[(i)&15],1))
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284 |
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285 | #define f1(x,y,z) ((z)^((x) &((y)^(z))))
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286 | #define f2(x,y,z) ((x)^(y)^(z))
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287 | #define f3(x,y,z) (((x)&(y))|((z)&((x)|(y))))
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288 | #define f4(x,y,z) ((x)^(y)^(z))
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289 |
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290 | #ifdef WOLFSSL_NUCLEUS_1_2
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291 | /* nucleus.h also defines R1-R4 */
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292 | #undef R1
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293 | #undef R2
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294 | #undef R3
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295 | #undef R4
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296 | #endif
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297 |
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298 | /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
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299 | #define R0(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk0((i)) + 0x5A827999+ \
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300 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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301 | #define R1(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk1((i)) + 0x5A827999+ \
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302 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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303 | #define R2(v,w,x,y,z,i) (z)+= f2((w),(x),(y)) + blk1((i)) + 0x6ED9EBA1+ \
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304 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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305 | #define R3(v,w,x,y,z,i) (z)+= f3((w),(x),(y)) + blk1((i)) + 0x8F1BBCDC+ \
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306 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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307 | #define R4(v,w,x,y,z,i) (z)+= f4((w),(x),(y)) + blk1((i)) + 0xCA62C1D6+ \
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308 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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309 |
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310 | static void Transform(wc_Sha* sha, byte* data)
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311 | {
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312 | word32 W[WC_SHA_BLOCK_SIZE / sizeof(word32)];
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313 |
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314 | /* Copy context->state[] to working vars */
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315 | word32 a = sha->digest[0];
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316 | word32 b = sha->digest[1];
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317 | word32 c = sha->digest[2];
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318 | word32 d = sha->digest[3];
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319 | word32 e = sha->digest[4];
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320 |
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321 | #ifdef USE_SLOW_SHA
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322 | word32 t, i;
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323 |
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324 | for (i = 0; i < 16; i++) {
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325 | R0(a, b, c, d, e, i);
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326 | t = e; e = d; d = c; c = b; b = a; a = t;
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327 | }
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328 |
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329 | for (; i < 20; i++) {
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330 | R1(a, b, c, d, e, i);
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331 | t = e; e = d; d = c; c = b; b = a; a = t;
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332 | }
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333 |
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334 | for (; i < 40; i++) {
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335 | R2(a, b, c, d, e, i);
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336 | t = e; e = d; d = c; c = b; b = a; a = t;
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337 | }
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338 |
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339 | for (; i < 60; i++) {
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340 | R3(a, b, c, d, e, i);
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341 | t = e; e = d; d = c; c = b; b = a; a = t;
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342 | }
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343 |
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344 | for (; i < 80; i++) {
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345 | R4(a, b, c, d, e, i);
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346 | t = e; e = d; d = c; c = b; b = a; a = t;
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347 | }
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348 | #else
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349 | /* nearly 1 K bigger in code size but 25% faster */
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350 | /* 4 rounds of 20 operations each. Loop unrolled. */
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351 | R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
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352 | R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
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353 | R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
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354 | R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
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355 |
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356 | R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
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357 |
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358 | R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
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359 | R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
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360 | R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
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361 | R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
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362 | R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
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363 |
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364 | R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
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365 | R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
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366 | R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
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367 | R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
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368 | R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
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369 |
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370 | R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
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371 | R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
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372 | R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
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373 | R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
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374 | R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
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375 | #endif
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376 |
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377 | /* Add the working vars back into digest state[] */
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378 | sha->digest[0] += a;
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379 | sha->digest[1] += b;
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380 | sha->digest[2] += c;
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381 | sha->digest[3] += d;
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382 | sha->digest[4] += e;
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383 |
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384 | (void)data; /* Not used */
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385 | }
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386 | #endif /* !USE_CUSTOM_SHA_TRANSFORM */
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387 |
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388 |
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389 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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390 | {
|
---|
391 | int ret = 0;
|
---|
392 |
|
---|
393 | if (sha == NULL)
|
---|
394 | return BAD_FUNC_ARG;
|
---|
395 |
|
---|
396 | sha->heap = heap;
|
---|
397 |
|
---|
398 | ret = InitSha(sha);
|
---|
399 | if (ret != 0)
|
---|
400 | return ret;
|
---|
401 |
|
---|
402 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
403 | ret = wolfAsync_DevCtxInit(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA,
|
---|
404 | sha->heap, devId);
|
---|
405 | #else
|
---|
406 | (void)devId;
|
---|
407 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
408 |
|
---|
409 | return ret;
|
---|
410 | }
|
---|
411 |
|
---|
412 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
|
---|
413 | {
|
---|
414 | byte* local;
|
---|
415 |
|
---|
416 | if (sha == NULL ||(data == NULL && len > 0)) {
|
---|
417 | return BAD_FUNC_ARG;
|
---|
418 | }
|
---|
419 |
|
---|
420 | /* do block size increments */
|
---|
421 | local = (byte*)sha->buffer;
|
---|
422 |
|
---|
423 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
424 | if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
|
---|
425 | #if defined(HAVE_INTEL_QA)
|
---|
426 | return IntelQaSymSha(&sha->asyncDev, NULL, data, len);
|
---|
427 | #endif
|
---|
428 | }
|
---|
429 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
430 |
|
---|
431 | /* check that internal buffLen is valid */
|
---|
432 | if (sha->buffLen >= WC_SHA_BLOCK_SIZE)
|
---|
433 | return BUFFER_E;
|
---|
434 |
|
---|
435 | while (len) {
|
---|
436 | word32 add = min(len, WC_SHA_BLOCK_SIZE - sha->buffLen);
|
---|
437 | XMEMCPY(&local[sha->buffLen], data, add);
|
---|
438 |
|
---|
439 | sha->buffLen += add;
|
---|
440 | data += add;
|
---|
441 | len -= add;
|
---|
442 |
|
---|
443 | if (sha->buffLen == WC_SHA_BLOCK_SIZE) {
|
---|
444 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
445 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
446 | #endif
|
---|
447 | XTRANSFORM(sha, local);
|
---|
448 | AddLength(sha, WC_SHA_BLOCK_SIZE);
|
---|
449 | sha->buffLen = 0;
|
---|
450 | }
|
---|
451 | }
|
---|
452 |
|
---|
453 | return 0;
|
---|
454 | }
|
---|
455 |
|
---|
456 | int wc_ShaFinalRaw(wc_Sha* sha, byte* hash)
|
---|
457 | {
|
---|
458 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
459 | word32 digest[WC_SHA_DIGEST_SIZE / sizeof(word32)];
|
---|
460 | #endif
|
---|
461 |
|
---|
462 | if (sha == NULL || hash == NULL) {
|
---|
463 | return BAD_FUNC_ARG;
|
---|
464 | }
|
---|
465 |
|
---|
466 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
467 | ByteReverseWords((word32*)digest, (word32*)sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
468 | XMEMCPY(hash, digest, WC_SHA_DIGEST_SIZE);
|
---|
469 | #else
|
---|
470 | XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
471 | #endif
|
---|
472 |
|
---|
473 | return 0;
|
---|
474 | }
|
---|
475 |
|
---|
476 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
|
---|
477 | {
|
---|
478 | byte* local;
|
---|
479 |
|
---|
480 | if (sha == NULL || hash == NULL) {
|
---|
481 | return BAD_FUNC_ARG;
|
---|
482 | }
|
---|
483 |
|
---|
484 | local = (byte*)sha->buffer;
|
---|
485 |
|
---|
486 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
487 | if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
|
---|
488 | #if defined(HAVE_INTEL_QA)
|
---|
489 | return IntelQaSymSha(&sha->asyncDev, hash, NULL, WC_SHA_DIGEST_SIZE);
|
---|
490 | #endif
|
---|
491 | }
|
---|
492 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
493 |
|
---|
494 | AddLength(sha, sha->buffLen); /* before adding pads */
|
---|
495 |
|
---|
496 | local[sha->buffLen++] = 0x80; /* add 1 */
|
---|
497 |
|
---|
498 | /* pad with zeros */
|
---|
499 | if (sha->buffLen > WC_SHA_PAD_SIZE) {
|
---|
500 | XMEMSET(&local[sha->buffLen], 0, WC_SHA_BLOCK_SIZE - sha->buffLen);
|
---|
501 | sha->buffLen += WC_SHA_BLOCK_SIZE - sha->buffLen;
|
---|
502 |
|
---|
503 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
504 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
505 | #endif
|
---|
506 | XTRANSFORM(sha, local);
|
---|
507 | sha->buffLen = 0;
|
---|
508 | }
|
---|
509 | XMEMSET(&local[sha->buffLen], 0, WC_SHA_PAD_SIZE - sha->buffLen);
|
---|
510 |
|
---|
511 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
512 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
513 | #endif
|
---|
514 |
|
---|
515 | /* store lengths */
|
---|
516 | /* put lengths in bits */
|
---|
517 | sha->hiLen = (sha->loLen >> (8*sizeof(sha->loLen) - 3)) + (sha->hiLen << 3);
|
---|
518 | sha->loLen = sha->loLen << 3;
|
---|
519 |
|
---|
520 | /* ! length ordering dependent on digest endian type ! */
|
---|
521 | XMEMCPY(&local[WC_SHA_PAD_SIZE], &sha->hiLen, sizeof(word32));
|
---|
522 | XMEMCPY(&local[WC_SHA_PAD_SIZE + sizeof(word32)], &sha->loLen, sizeof(word32));
|
---|
523 |
|
---|
524 | #if defined(FREESCALE_MMCAU_SHA)
|
---|
525 | /* Kinetis requires only these bytes reversed */
|
---|
526 | ByteReverseWords(&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
|
---|
527 | &sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
|
---|
528 | 2 * sizeof(word32));
|
---|
529 | #endif
|
---|
530 |
|
---|
531 | XTRANSFORM(sha, local);
|
---|
532 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
533 | ByteReverseWords(sha->digest, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
534 | #endif
|
---|
535 | XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
536 |
|
---|
537 | return InitSha(sha); /* reset state */
|
---|
538 | }
|
---|
539 |
|
---|
540 | #endif /* USE_SHA_SOFTWARE_IMPL */
|
---|
541 |
|
---|
542 |
|
---|
543 | int wc_InitSha(wc_Sha* sha)
|
---|
544 | {
|
---|
545 | return wc_InitSha_ex(sha, NULL, INVALID_DEVID);
|
---|
546 | }
|
---|
547 |
|
---|
548 | void wc_ShaFree(wc_Sha* sha)
|
---|
549 | {
|
---|
550 | if (sha == NULL)
|
---|
551 | return;
|
---|
552 |
|
---|
553 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
554 | wolfAsync_DevCtxFree(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA);
|
---|
555 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
556 |
|
---|
557 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
558 | wc_ShaPic32Free(sha);
|
---|
559 | #endif
|
---|
560 | }
|
---|
561 |
|
---|
562 | #endif /* !WOLFSSL_TI_HASH */
|
---|
563 | #endif /* HAVE_FIPS */
|
---|
564 |
|
---|
565 | #ifndef WOLFSSL_TI_HASH
|
---|
566 | int wc_ShaGetHash(wc_Sha* sha, byte* hash)
|
---|
567 | {
|
---|
568 | int ret;
|
---|
569 | wc_Sha tmpSha;
|
---|
570 |
|
---|
571 | if (sha == NULL || hash == NULL)
|
---|
572 | return BAD_FUNC_ARG;
|
---|
573 |
|
---|
574 | ret = wc_ShaCopy(sha, &tmpSha);
|
---|
575 | if (ret == 0) {
|
---|
576 | ret = wc_ShaFinal(&tmpSha, hash);
|
---|
577 | }
|
---|
578 | return ret;
|
---|
579 | }
|
---|
580 |
|
---|
581 | int wc_ShaCopy(wc_Sha* src, wc_Sha* dst)
|
---|
582 | {
|
---|
583 | int ret = 0;
|
---|
584 |
|
---|
585 | if (src == NULL || dst == NULL)
|
---|
586 | return BAD_FUNC_ARG;
|
---|
587 |
|
---|
588 | XMEMCPY(dst, src, sizeof(wc_Sha));
|
---|
589 |
|
---|
590 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
591 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
592 | #endif
|
---|
593 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
594 | ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
---|
595 | #endif
|
---|
596 |
|
---|
597 | return ret;
|
---|
598 | }
|
---|
599 | #endif /* !WOLFSSL_TI_HASH */
|
---|
600 |
|
---|
601 | #endif /* !NO_SHA */
|
---|