1 | /* sha256.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 | #ifdef HAVE_CONFIG_H
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23 | #include <config.h>
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24 | #endif
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25 |
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26 | #include <wolfssl/wolfcrypt/settings.h>
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27 |
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28 | /*
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29 | * SHA256 Build Options:
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30 | * USE_SLOW_SHA256: Reduces code size by not partially unrolling
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31 | (~2KB smaller and ~25% slower) (default OFF)
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32 | * WOLFSSL_SHA256_BY_SPEC: Uses the Ch/Maj based on SHA256 specification
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33 | (default ON)
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34 | * WOLFSSL_SHA256_ALT_CH_MAJ: Alternate Ch/Maj that is easier for compilers to
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35 | optimize and recognize as SHA256 (default OFF)
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36 | * SHA256_MANY_REGISTERS: A SHA256 version that keeps all data in registers
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37 | and partial unrolled (default OFF)
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38 | */
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39 |
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40 | /* Default SHA256 to use Ch/Maj based on specification */
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41 | #if !defined(WOLFSSL_SHA256_BY_SPEC) && !defined(WOLFSSL_SHA256_ALT_CH_MAJ)
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42 | #define WOLFSSL_SHA256_BY_SPEC
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43 | #endif
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44 |
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45 |
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46 | #if !defined(NO_SHA256) && !defined(WOLFSSL_ARMASM)
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47 |
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48 | #if defined(HAVE_FIPS) && \
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49 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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50 |
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51 | /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
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52 | #define FIPS_NO_WRAPPERS
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53 |
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54 | #ifdef USE_WINDOWS_API
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55 | #pragma code_seg(".fipsA$d")
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56 | #pragma const_seg(".fipsB$d")
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57 | #endif
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58 | #endif
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59 |
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60 | #include <wolfssl/wolfcrypt/sha256.h>
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61 | #include <wolfssl/wolfcrypt/error-crypt.h>
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62 | #include <wolfssl/wolfcrypt/cpuid.h>
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63 | #include <wolfssl/wolfcrypt/hash.h>
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64 |
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65 | #ifdef WOLF_CRYPTO_CB
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66 | #include <wolfssl/wolfcrypt/cryptocb.h>
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67 | #endif
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68 |
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69 | /* fips wrapper calls, user can call direct */
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70 | #if defined(HAVE_FIPS) && \
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71 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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72 |
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73 | int wc_InitSha256(wc_Sha256* sha)
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74 | {
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75 | if (sha == NULL) {
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76 | return BAD_FUNC_ARG;
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77 | }
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78 | return InitSha256_fips(sha);
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79 | }
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80 | int wc_InitSha256_ex(wc_Sha256* sha, void* heap, int devId)
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81 | {
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82 | (void)heap;
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83 | (void)devId;
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84 | if (sha == NULL) {
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85 | return BAD_FUNC_ARG;
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86 | }
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87 | return InitSha256_fips(sha);
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88 | }
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89 | int wc_Sha256Update(wc_Sha256* sha, const byte* data, word32 len)
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90 | {
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91 | if (sha == NULL || (data == NULL && len > 0)) {
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92 | return BAD_FUNC_ARG;
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93 | }
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94 |
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95 | if (data == NULL && len == 0) {
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96 | /* valid, but do nothing */
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97 | return 0;
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98 | }
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99 |
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100 | return Sha256Update_fips(sha, data, len);
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101 | }
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102 | int wc_Sha256Final(wc_Sha256* sha, byte* out)
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103 | {
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104 | if (sha == NULL || out == NULL) {
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105 | return BAD_FUNC_ARG;
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106 | }
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107 | return Sha256Final_fips(sha, out);
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108 | }
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109 | void wc_Sha256Free(wc_Sha256* sha)
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110 | {
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111 | (void)sha;
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112 | /* Not supported in FIPS */
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113 | }
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114 |
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115 | #else /* else build without fips, or for FIPS v2 */
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116 |
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117 |
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118 | #if defined(WOLFSSL_TI_HASH)
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119 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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120 | #elif defined(WOLFSSL_CRYPTOCELL)
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121 | /* wc_port.c includes wolfcrypt/src/port/arm/cryptoCellHash.c */
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122 | #else
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123 |
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124 | #include <wolfssl/wolfcrypt/logging.h>
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125 |
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126 | #ifdef NO_INLINE
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127 | #include <wolfssl/wolfcrypt/misc.h>
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128 | #else
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129 | #define WOLFSSL_MISC_INCLUDED
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130 | #include <wolfcrypt/src/misc.c>
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131 | #endif
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132 |
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133 | #ifdef WOLFSSL_DEVCRYPTO_HASH
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134 | #include <wolfssl/wolfcrypt/port/devcrypto/wc_devcrypto.h>
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135 | #endif
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136 |
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137 |
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138 |
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139 | #if defined(USE_INTEL_SPEEDUP)
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140 | #if defined(__GNUC__) && ((__GNUC__ < 4) || \
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141 | (__GNUC__ == 4 && __GNUC_MINOR__ <= 8))
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142 | #undef NO_AVX2_SUPPORT
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143 | #define NO_AVX2_SUPPORT
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144 | #endif
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145 | #if defined(__clang__) && ((__clang_major__ < 3) || \
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146 | (__clang_major__ == 3 && __clang_minor__ <= 5))
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147 | #define NO_AVX2_SUPPORT
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148 | #elif defined(__clang__) && defined(NO_AVX2_SUPPORT)
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149 | #undef NO_AVX2_SUPPORT
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150 | #endif
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151 |
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152 | #define HAVE_INTEL_AVX1
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153 | #ifndef NO_AVX2_SUPPORT
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154 | #define HAVE_INTEL_AVX2
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155 | #endif
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156 | #endif /* USE_INTEL_SPEEDUP */
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157 |
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158 | #if defined(HAVE_INTEL_AVX2)
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159 | #define HAVE_INTEL_RORX
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160 | #endif
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161 |
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162 |
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163 | #if !defined(WOLFSSL_PIC32MZ_HASH) && !defined(STM32_HASH_SHA2) && \
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164 | (!defined(WOLFSSL_IMX6_CAAM) || defined(NO_IMX6_CAAM_HASH)) && \
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165 | !defined(WOLFSSL_AFALG_HASH) && !defined(WOLFSSL_DEVCRYPTO_HASH) && \
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166 | (!defined(WOLFSSL_ESP32WROOM32_CRYPT) || defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)) && \
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167 | (!defined(WOLFSSL_RENESAS_TSIP_CRYPT) || defined(NO_WOLFSSL_RENESAS_TSIP_HASH))
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168 |
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169 | static int InitSha256(wc_Sha256* sha256)
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170 | {
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171 | int ret = 0;
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172 |
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173 | if (sha256 == NULL)
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174 | return BAD_FUNC_ARG;
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175 |
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176 | XMEMSET(sha256->digest, 0, sizeof(sha256->digest));
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177 | sha256->digest[0] = 0x6A09E667L;
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178 | sha256->digest[1] = 0xBB67AE85L;
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179 | sha256->digest[2] = 0x3C6EF372L;
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180 | sha256->digest[3] = 0xA54FF53AL;
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181 | sha256->digest[4] = 0x510E527FL;
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182 | sha256->digest[5] = 0x9B05688CL;
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183 | sha256->digest[6] = 0x1F83D9ABL;
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184 | sha256->digest[7] = 0x5BE0CD19L;
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185 |
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186 | sha256->buffLen = 0;
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187 | sha256->loLen = 0;
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188 | sha256->hiLen = 0;
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189 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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190 | sha256->flags = 0;
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191 | #endif
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192 |
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193 | return ret;
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194 | }
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195 | #endif
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196 |
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197 |
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198 | /* Hardware Acceleration */
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199 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
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200 |
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201 | /* in case intel instructions aren't available, plus we need the K[] global */
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202 | #define NEED_SOFT_SHA256
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203 |
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204 | /*****
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205 | Intel AVX1/AVX2 Macro Control Structure
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206 |
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207 | #define HAVE_INTEL_AVX1
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208 | #define HAVE_INTEL_AVX2
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209 |
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210 | #define HAVE_INTEL_RORX
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211 |
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212 |
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213 | int InitSha256(wc_Sha256* sha256) {
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214 | Save/Recover XMM, YMM
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215 | ...
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216 | }
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217 |
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218 | #if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
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219 | Transform_Sha256(); Function prototype
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220 | #else
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221 | Transform_Sha256() { }
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222 | int Sha256Final() {
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223 | Save/Recover XMM, YMM
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224 | ...
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225 | }
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226 | #endif
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227 |
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228 | #if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
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229 | #if defined(HAVE_INTEL_RORX
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230 | #define RND with rorx instruction
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231 | #else
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232 | #define RND
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233 | #endif
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234 | #endif
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235 |
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236 | #if defined(HAVE_INTEL_AVX1)
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237 |
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238 | #define XMM Instructions/inline asm
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239 |
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240 | int Transform_Sha256() {
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241 | Stitched Message Sched/Round
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242 | }
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243 |
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244 | #elif defined(HAVE_INTEL_AVX2)
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245 |
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246 | #define YMM Instructions/inline asm
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247 |
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248 | int Transform_Sha256() {
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249 | More granular Stitched Message Sched/Round
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250 | }
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251 |
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252 | #endif
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253 |
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254 | */
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255 |
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256 | /* Each platform needs to query info type 1 from cpuid to see if aesni is
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257 | * supported. Also, let's setup a macro for proper linkage w/o ABI conflicts
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258 | */
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259 |
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260 | /* #if defined(HAVE_INTEL_AVX1/2) at the tail of sha256 */
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261 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data);
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262 |
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263 | #ifdef __cplusplus
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264 | extern "C" {
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265 | #endif
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266 |
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267 | #if defined(HAVE_INTEL_AVX1)
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268 | extern int Transform_Sha256_AVX1(wc_Sha256 *sha256, const byte* data);
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269 | extern int Transform_Sha256_AVX1_Len(wc_Sha256* sha256,
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270 | const byte* data, word32 len);
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271 | #endif
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272 | #if defined(HAVE_INTEL_AVX2)
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273 | extern int Transform_Sha256_AVX2(wc_Sha256 *sha256, const byte* data);
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274 | extern int Transform_Sha256_AVX2_Len(wc_Sha256* sha256,
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275 | const byte* data, word32 len);
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276 | #ifdef HAVE_INTEL_RORX
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277 | extern int Transform_Sha256_AVX1_RORX(wc_Sha256 *sha256, const byte* data);
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278 | extern int Transform_Sha256_AVX1_RORX_Len(wc_Sha256* sha256,
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279 | const byte* data, word32 len);
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280 | extern int Transform_Sha256_AVX2_RORX(wc_Sha256 *sha256, const byte* data);
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281 | extern int Transform_Sha256_AVX2_RORX_Len(wc_Sha256* sha256,
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282 | const byte* data, word32 len);
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283 | #endif /* HAVE_INTEL_RORX */
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284 | #endif /* HAVE_INTEL_AVX2 */
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285 |
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286 | #ifdef __cplusplus
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287 | } /* extern "C" */
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288 | #endif
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289 |
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290 | static int (*Transform_Sha256_p)(wc_Sha256* sha256, const byte* data);
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291 | /* = _Transform_Sha256 */
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292 | static int (*Transform_Sha256_Len_p)(wc_Sha256* sha256, const byte* data,
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293 | word32 len);
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294 | /* = NULL */
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295 | static int transform_check = 0;
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296 | static word32 intel_flags;
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297 |
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298 | #define XTRANSFORM(S, D) (*Transform_Sha256_p)((S),(D))
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299 | #define XTRANSFORM_LEN(S, D, L) (*Transform_Sha256_Len_p)((S),(D),(L))
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300 |
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301 | static void Sha256_SetTransform(void)
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302 | {
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303 |
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304 | if (transform_check)
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305 | return;
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306 |
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307 | intel_flags = cpuid_get_flags();
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308 |
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309 | #ifdef HAVE_INTEL_AVX2
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310 | if (1 && IS_INTEL_AVX2(intel_flags)) {
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311 | #ifdef HAVE_INTEL_RORX
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312 | if (IS_INTEL_BMI2(intel_flags)) {
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313 | Transform_Sha256_p = Transform_Sha256_AVX2_RORX;
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314 | Transform_Sha256_Len_p = Transform_Sha256_AVX2_RORX_Len;
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315 | }
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316 | else
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317 | #endif
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318 | if (1)
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319 | {
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320 | Transform_Sha256_p = Transform_Sha256_AVX2;
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321 | Transform_Sha256_Len_p = Transform_Sha256_AVX2_Len;
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322 | }
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323 | #ifdef HAVE_INTEL_RORX
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324 | else {
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325 | Transform_Sha256_p = Transform_Sha256_AVX1_RORX;
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326 | Transform_Sha256_Len_p = Transform_Sha256_AVX1_RORX_Len;
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327 | }
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328 | #endif
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329 | }
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330 | else
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331 | #endif
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332 | #ifdef HAVE_INTEL_AVX1
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333 | if (IS_INTEL_AVX1(intel_flags)) {
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334 | Transform_Sha256_p = Transform_Sha256_AVX1;
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335 | Transform_Sha256_Len_p = Transform_Sha256_AVX1_Len;
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336 | }
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337 | else
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338 | #endif
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339 | {
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340 | Transform_Sha256_p = Transform_Sha256;
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341 | Transform_Sha256_Len_p = NULL;
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342 | }
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343 |
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344 | transform_check = 1;
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345 | }
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346 |
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347 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
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348 | {
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349 | int ret = 0;
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350 | if (sha256 == NULL)
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351 | return BAD_FUNC_ARG;
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352 |
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353 | sha256->heap = heap;
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354 | #ifdef WOLF_CRYPTO_CB
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355 | sha256->devId = devId;
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356 | #endif
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357 |
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358 | ret = InitSha256(sha256);
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359 | if (ret != 0)
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360 | return ret;
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361 |
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362 | /* choose best Transform function under this runtime environment */
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363 | Sha256_SetTransform();
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364 |
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365 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
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366 | ret = wolfAsync_DevCtxInit(&sha256->asyncDev,
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367 | WOLFSSL_ASYNC_MARKER_SHA256, sha256->heap, devId);
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368 | #else
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369 | (void)devId;
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370 | #endif /* WOLFSSL_ASYNC_CRYPT */
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371 |
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372 | return ret;
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373 | }
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374 |
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375 | #elif defined(FREESCALE_LTC_SHA)
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376 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
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377 | {
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378 | (void)heap;
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379 | (void)devId;
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380 |
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381 | LTC_HASH_Init(LTC_BASE, &sha256->ctx, kLTC_Sha256, NULL, 0);
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382 |
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383 | return 0;
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384 | }
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385 |
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386 | #elif defined(FREESCALE_MMCAU_SHA)
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387 |
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388 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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389 | #include "cau_api.h"
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390 | #else
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391 | #include "fsl_mmcau.h"
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392 | #endif
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393 |
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394 | #define XTRANSFORM(S, D) Transform_Sha256((S),(D))
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395 | #define XTRANSFORM_LEN(S, D, L) Transform_Sha256_Len((S),(D),(L))
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396 |
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397 | #ifndef WC_HASH_DATA_ALIGNMENT
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398 | /* these hardware API's require 4 byte (word32) alignment */
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399 | #define WC_HASH_DATA_ALIGNMENT 4
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400 | #endif
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401 |
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402 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
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403 | {
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404 | int ret = 0;
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405 |
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406 | (void)heap;
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407 | (void)devId;
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408 |
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409 | ret = wolfSSL_CryptHwMutexLock();
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410 | if (ret != 0) {
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411 | return ret;
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412 | }
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413 |
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414 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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415 | cau_sha256_initialize_output(sha256->digest);
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416 | #else
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417 | MMCAU_SHA256_InitializeOutput((uint32_t*)sha256->digest);
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418 | #endif
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419 | wolfSSL_CryptHwMutexUnLock();
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420 |
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421 | sha256->buffLen = 0;
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422 | sha256->loLen = 0;
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423 | sha256->hiLen = 0;
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424 | #ifdef WOLFSSL_SMALL_STACK_CACHE
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425 | sha256->W = NULL;
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426 | #endif
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427 |
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428 | return ret;
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429 | }
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430 |
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431 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data)
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432 | {
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433 | int ret = wolfSSL_CryptHwMutexLock();
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434 | if (ret == 0) {
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435 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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436 | cau_sha256_hash_n((byte*)data, 1, sha256->digest);
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437 | #else
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438 | MMCAU_SHA256_HashN((byte*)data, 1, sha256->digest);
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439 | #endif
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440 | wolfSSL_CryptHwMutexUnLock();
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441 | }
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---|
442 | return ret;
|
---|
443 | }
|
---|
444 |
|
---|
445 | static int Transform_Sha256_Len(wc_Sha256* sha256, const byte* data,
|
---|
446 | word32 len)
|
---|
447 | {
|
---|
448 | int ret = wolfSSL_CryptHwMutexLock();
|
---|
449 | if (ret == 0) {
|
---|
450 | #if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0
|
---|
451 | if ((size_t)data % WC_HASH_DATA_ALIGNMENT) {
|
---|
452 | /* data pointer is NOT aligned,
|
---|
453 | * so copy and perform one block at a time */
|
---|
454 | byte* local = (byte*)sha256->buffer;
|
---|
455 | while (len >= WC_SHA256_BLOCK_SIZE) {
|
---|
456 | XMEMCPY(local, data, WC_SHA256_BLOCK_SIZE);
|
---|
457 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
|
---|
458 | cau_sha256_hash_n(local, 1, sha256->digest);
|
---|
459 | #else
|
---|
460 | MMCAU_SHA256_HashN(local, 1, sha256->digest);
|
---|
461 | #endif
|
---|
462 | data += WC_SHA256_BLOCK_SIZE;
|
---|
463 | len -= WC_SHA256_BLOCK_SIZE;
|
---|
464 | }
|
---|
465 | }
|
---|
466 | else
|
---|
467 | #endif
|
---|
468 | {
|
---|
469 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
|
---|
470 | cau_sha256_hash_n((byte*)data, len/WC_SHA256_BLOCK_SIZE,
|
---|
471 | sha256->digest);
|
---|
472 | #else
|
---|
473 | MMCAU_SHA256_HashN((byte*)data, len/WC_SHA256_BLOCK_SIZE,
|
---|
474 | sha256->digest);
|
---|
475 | #endif
|
---|
476 | }
|
---|
477 | wolfSSL_CryptHwMutexUnLock();
|
---|
478 | }
|
---|
479 | return ret;
|
---|
480 | }
|
---|
481 |
|
---|
482 | #elif defined(WOLFSSL_PIC32MZ_HASH)
|
---|
483 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
|
---|
484 |
|
---|
485 | #elif defined(STM32_HASH_SHA2)
|
---|
486 |
|
---|
487 | /* Supports CubeMX HAL or Standard Peripheral Library */
|
---|
488 |
|
---|
489 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
490 | {
|
---|
491 | if (sha256 == NULL)
|
---|
492 | return BAD_FUNC_ARG;
|
---|
493 |
|
---|
494 | (void)devId;
|
---|
495 | (void)heap;
|
---|
496 |
|
---|
497 | wc_Stm32_Hash_Init(&sha256->stmCtx);
|
---|
498 | return 0;
|
---|
499 | }
|
---|
500 |
|
---|
501 | int wc_Sha256Update(wc_Sha256* sha256, const byte* data, word32 len)
|
---|
502 | {
|
---|
503 | int ret = 0;
|
---|
504 |
|
---|
505 | if (sha256 == NULL || (data == NULL && len > 0)) {
|
---|
506 | return BAD_FUNC_ARG;
|
---|
507 | }
|
---|
508 |
|
---|
509 | ret = wolfSSL_CryptHwMutexLock();
|
---|
510 | if (ret == 0) {
|
---|
511 | ret = wc_Stm32_Hash_Update(&sha256->stmCtx,
|
---|
512 | HASH_AlgoSelection_SHA256, data, len);
|
---|
513 | wolfSSL_CryptHwMutexUnLock();
|
---|
514 | }
|
---|
515 | return ret;
|
---|
516 | }
|
---|
517 |
|
---|
518 | int wc_Sha256Final(wc_Sha256* sha256, byte* hash)
|
---|
519 | {
|
---|
520 | int ret = 0;
|
---|
521 |
|
---|
522 | if (sha256 == NULL || hash == NULL) {
|
---|
523 | return BAD_FUNC_ARG;
|
---|
524 | }
|
---|
525 |
|
---|
526 | ret = wolfSSL_CryptHwMutexLock();
|
---|
527 | if (ret == 0) {
|
---|
528 | ret = wc_Stm32_Hash_Final(&sha256->stmCtx,
|
---|
529 | HASH_AlgoSelection_SHA256, hash, WC_SHA256_DIGEST_SIZE);
|
---|
530 | wolfSSL_CryptHwMutexUnLock();
|
---|
531 | }
|
---|
532 |
|
---|
533 | (void)wc_InitSha256(sha256); /* reset state */
|
---|
534 |
|
---|
535 | return ret;
|
---|
536 | }
|
---|
537 |
|
---|
538 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
|
---|
539 | /* functions defined in wolfcrypt/src/port/caam/caam_sha256.c */
|
---|
540 |
|
---|
541 | #elif defined(WOLFSSL_AFALG_HASH)
|
---|
542 | /* implemented in wolfcrypt/src/port/af_alg/afalg_hash.c */
|
---|
543 |
|
---|
544 | #elif defined(WOLFSSL_DEVCRYPTO_HASH)
|
---|
545 | /* implemented in wolfcrypt/src/port/devcrypto/devcrypt_hash.c */
|
---|
546 |
|
---|
547 | #elif defined(WOLFSSL_SCE) && !defined(WOLFSSL_SCE_NO_HASH)
|
---|
548 | #include "hal_data.h"
|
---|
549 |
|
---|
550 | #ifndef WOLFSSL_SCE_SHA256_HANDLE
|
---|
551 | #define WOLFSSL_SCE_SHA256_HANDLE g_sce_hash_0
|
---|
552 | #endif
|
---|
553 |
|
---|
554 | #define WC_SHA256_DIGEST_WORD_SIZE 16
|
---|
555 | #define XTRANSFORM(S, D) wc_Sha256SCE_XTRANSFORM((S), (D))
|
---|
556 | static int wc_Sha256SCE_XTRANSFORM(wc_Sha256* sha256, const byte* data)
|
---|
557 | {
|
---|
558 | if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
|
---|
559 | CRYPTO_WORD_ENDIAN_LITTLE)
|
---|
560 | {
|
---|
561 | ByteReverseWords((word32*)data, (word32*)data,
|
---|
562 | WC_SHA256_BLOCK_SIZE);
|
---|
563 | ByteReverseWords(sha256->digest, sha256->digest,
|
---|
564 | WC_SHA256_DIGEST_SIZE);
|
---|
565 | }
|
---|
566 |
|
---|
567 | if (WOLFSSL_SCE_SHA256_HANDLE.p_api->hashUpdate(
|
---|
568 | WOLFSSL_SCE_SHA256_HANDLE.p_ctrl, (word32*)data,
|
---|
569 | WC_SHA256_DIGEST_WORD_SIZE, sha256->digest) != SSP_SUCCESS){
|
---|
570 | WOLFSSL_MSG("Unexpected hardware return value");
|
---|
571 | return WC_HW_E;
|
---|
572 | }
|
---|
573 |
|
---|
574 | if (WOLFSSL_SCE_GSCE_HANDLE.p_cfg->endian_flag ==
|
---|
575 | CRYPTO_WORD_ENDIAN_LITTLE)
|
---|
576 | {
|
---|
577 | ByteReverseWords((word32*)data, (word32*)data,
|
---|
578 | WC_SHA256_BLOCK_SIZE);
|
---|
579 | ByteReverseWords(sha256->digest, sha256->digest,
|
---|
580 | WC_SHA256_DIGEST_SIZE);
|
---|
581 | }
|
---|
582 |
|
---|
583 | return 0;
|
---|
584 | }
|
---|
585 |
|
---|
586 |
|
---|
587 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
588 | {
|
---|
589 | int ret = 0;
|
---|
590 | if (sha256 == NULL)
|
---|
591 | return BAD_FUNC_ARG;
|
---|
592 |
|
---|
593 | sha256->heap = heap;
|
---|
594 |
|
---|
595 | ret = InitSha256(sha256);
|
---|
596 | if (ret != 0)
|
---|
597 | return ret;
|
---|
598 |
|
---|
599 | (void)devId;
|
---|
600 |
|
---|
601 | return ret;
|
---|
602 | }
|
---|
603 |
|
---|
604 | #elif defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
605 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
606 |
|
---|
607 | #define NEED_SOFT_SHA256
|
---|
608 |
|
---|
609 | static int InitSha256(wc_Sha256* sha256)
|
---|
610 | {
|
---|
611 | int ret = 0;
|
---|
612 |
|
---|
613 | if (sha256 == NULL)
|
---|
614 | return BAD_FUNC_ARG;
|
---|
615 |
|
---|
616 | XMEMSET(sha256->digest, 0, sizeof(sha256->digest));
|
---|
617 | sha256->digest[0] = 0x6A09E667L;
|
---|
618 | sha256->digest[1] = 0xBB67AE85L;
|
---|
619 | sha256->digest[2] = 0x3C6EF372L;
|
---|
620 | sha256->digest[3] = 0xA54FF53AL;
|
---|
621 | sha256->digest[4] = 0x510E527FL;
|
---|
622 | sha256->digest[5] = 0x9B05688CL;
|
---|
623 | sha256->digest[6] = 0x1F83D9ABL;
|
---|
624 | sha256->digest[7] = 0x5BE0CD19L;
|
---|
625 |
|
---|
626 | sha256->buffLen = 0;
|
---|
627 | sha256->loLen = 0;
|
---|
628 | sha256->hiLen = 0;
|
---|
629 |
|
---|
630 | /* always start firstblock = 1 when using hw engine */
|
---|
631 | sha256->ctx.isfirstblock = 1;
|
---|
632 | sha256->ctx.sha_type = SHA2_256;
|
---|
633 | if(sha256->ctx.mode == ESP32_SHA_HW) {
|
---|
634 | /* release hw */
|
---|
635 | esp_sha_hw_unlock();
|
---|
636 | }
|
---|
637 | /* always set mode as INIT
|
---|
638 | * whether using HW or SW is determined at first call of update()
|
---|
639 | */
|
---|
640 | sha256->ctx.mode = ESP32_SHA_INIT;
|
---|
641 |
|
---|
642 | return ret;
|
---|
643 | }
|
---|
644 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
645 | {
|
---|
646 | int ret = 0;
|
---|
647 |
|
---|
648 | if (sha256 == NULL)
|
---|
649 | return BAD_FUNC_ARG;
|
---|
650 |
|
---|
651 | XMEMSET(sha256, 0, sizeof(wc_Sha256));
|
---|
652 | sha256->ctx.mode = ESP32_SHA_INIT;
|
---|
653 | sha256->ctx.isfirstblock = 1;
|
---|
654 | (void)devId;
|
---|
655 |
|
---|
656 | ret = InitSha256(sha256);
|
---|
657 |
|
---|
658 | return ret;
|
---|
659 | }
|
---|
660 |
|
---|
661 | #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
|
---|
662 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
|
---|
663 |
|
---|
664 | /* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */
|
---|
665 |
|
---|
666 | #else
|
---|
667 | #define NEED_SOFT_SHA256
|
---|
668 |
|
---|
669 | int wc_InitSha256_ex(wc_Sha256* sha256, void* heap, int devId)
|
---|
670 | {
|
---|
671 | int ret = 0;
|
---|
672 | if (sha256 == NULL)
|
---|
673 | return BAD_FUNC_ARG;
|
---|
674 |
|
---|
675 | sha256->heap = heap;
|
---|
676 | #ifdef WOLF_CRYPTO_CB
|
---|
677 | sha256->devId = devId;
|
---|
678 | sha256->devCtx = NULL;
|
---|
679 | #endif
|
---|
680 |
|
---|
681 | ret = InitSha256(sha256);
|
---|
682 | if (ret != 0)
|
---|
683 | return ret;
|
---|
684 |
|
---|
685 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
686 | sha256->W = NULL;
|
---|
687 | #endif
|
---|
688 |
|
---|
689 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
690 | ret = wolfAsync_DevCtxInit(&sha256->asyncDev,
|
---|
691 | WOLFSSL_ASYNC_MARKER_SHA256, sha256->heap, devId);
|
---|
692 | #else
|
---|
693 | (void)devId;
|
---|
694 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
695 |
|
---|
696 | return ret;
|
---|
697 | }
|
---|
698 | #endif /* End Hardware Acceleration */
|
---|
699 |
|
---|
700 | #ifdef NEED_SOFT_SHA256
|
---|
701 |
|
---|
702 | static const ALIGN32 word32 K[64] = {
|
---|
703 | 0x428A2F98L, 0x71374491L, 0xB5C0FBCFL, 0xE9B5DBA5L, 0x3956C25BL,
|
---|
704 | 0x59F111F1L, 0x923F82A4L, 0xAB1C5ED5L, 0xD807AA98L, 0x12835B01L,
|
---|
705 | 0x243185BEL, 0x550C7DC3L, 0x72BE5D74L, 0x80DEB1FEL, 0x9BDC06A7L,
|
---|
706 | 0xC19BF174L, 0xE49B69C1L, 0xEFBE4786L, 0x0FC19DC6L, 0x240CA1CCL,
|
---|
707 | 0x2DE92C6FL, 0x4A7484AAL, 0x5CB0A9DCL, 0x76F988DAL, 0x983E5152L,
|
---|
708 | 0xA831C66DL, 0xB00327C8L, 0xBF597FC7L, 0xC6E00BF3L, 0xD5A79147L,
|
---|
709 | 0x06CA6351L, 0x14292967L, 0x27B70A85L, 0x2E1B2138L, 0x4D2C6DFCL,
|
---|
710 | 0x53380D13L, 0x650A7354L, 0x766A0ABBL, 0x81C2C92EL, 0x92722C85L,
|
---|
711 | 0xA2BFE8A1L, 0xA81A664BL, 0xC24B8B70L, 0xC76C51A3L, 0xD192E819L,
|
---|
712 | 0xD6990624L, 0xF40E3585L, 0x106AA070L, 0x19A4C116L, 0x1E376C08L,
|
---|
713 | 0x2748774CL, 0x34B0BCB5L, 0x391C0CB3L, 0x4ED8AA4AL, 0x5B9CCA4FL,
|
---|
714 | 0x682E6FF3L, 0x748F82EEL, 0x78A5636FL, 0x84C87814L, 0x8CC70208L,
|
---|
715 | 0x90BEFFFAL, 0xA4506CEBL, 0xBEF9A3F7L, 0xC67178F2L
|
---|
716 | };
|
---|
717 |
|
---|
718 | /* Both versions of Ch and Maj are logically the same, but with the second set
|
---|
719 | the compilers can recognize them better for optimization */
|
---|
720 | #ifdef WOLFSSL_SHA256_BY_SPEC
|
---|
721 | /* SHA256 math based on specification */
|
---|
722 | #define Ch(x,y,z) ((z) ^ ((x) & ((y) ^ (z))))
|
---|
723 | #define Maj(x,y,z) ((((x) | (y)) & (z)) | ((x) & (y)))
|
---|
724 | #else
|
---|
725 | /* SHA256 math reworked for easier compiler optimization */
|
---|
726 | #define Ch(x,y,z) ((((y) ^ (z)) & (x)) ^ (z))
|
---|
727 | #define Maj(x,y,z) ((((x) ^ (y)) & ((y) ^ (z))) ^ (y))
|
---|
728 | #endif
|
---|
729 | #define R(x, n) (((x) & 0xFFFFFFFFU) >> (n))
|
---|
730 |
|
---|
731 | #define S(x, n) rotrFixed(x, n)
|
---|
732 | #define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))
|
---|
733 | #define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))
|
---|
734 | #define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))
|
---|
735 | #define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))
|
---|
736 |
|
---|
737 | #define a(i) S[(0-i) & 7]
|
---|
738 | #define b(i) S[(1-i) & 7]
|
---|
739 | #define c(i) S[(2-i) & 7]
|
---|
740 | #define d(i) S[(3-i) & 7]
|
---|
741 | #define e(i) S[(4-i) & 7]
|
---|
742 | #define f(i) S[(5-i) & 7]
|
---|
743 | #define g(i) S[(6-i) & 7]
|
---|
744 | #define h(i) S[(7-i) & 7]
|
---|
745 |
|
---|
746 | #ifndef XTRANSFORM
|
---|
747 | #define XTRANSFORM(S, D) Transform_Sha256((S),(D))
|
---|
748 | #endif
|
---|
749 |
|
---|
750 | #ifndef SHA256_MANY_REGISTERS
|
---|
751 | #define RND(j) \
|
---|
752 | t0 = h(j) + Sigma1(e(j)) + Ch(e(j), f(j), g(j)) + K[i+j] + W[i+j]; \
|
---|
753 | t1 = Sigma0(a(j)) + Maj(a(j), b(j), c(j)); \
|
---|
754 | d(j) += t0; \
|
---|
755 | h(j) = t0 + t1
|
---|
756 |
|
---|
757 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data)
|
---|
758 | {
|
---|
759 | word32 S[8], t0, t1;
|
---|
760 | int i;
|
---|
761 |
|
---|
762 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
763 | word32* W = sha256->W;
|
---|
764 | if (W == NULL) {
|
---|
765 | W = (word32*)XMALLOC(sizeof(word32) * WC_SHA256_BLOCK_SIZE, NULL,
|
---|
766 | DYNAMIC_TYPE_DIGEST);
|
---|
767 | if (W == NULL)
|
---|
768 | return MEMORY_E;
|
---|
769 | sha256->W = W;
|
---|
770 | }
|
---|
771 | #elif defined(WOLFSSL_SMALL_STACK)
|
---|
772 | word32* W;
|
---|
773 | W = (word32*)XMALLOC(sizeof(word32) * WC_SHA256_BLOCK_SIZE, NULL,
|
---|
774 | DYNAMIC_TYPE_TMP_BUFFER);
|
---|
775 | if (W == NULL)
|
---|
776 | return MEMORY_E;
|
---|
777 | #else
|
---|
778 | word32 W[WC_SHA256_BLOCK_SIZE];
|
---|
779 | #endif
|
---|
780 |
|
---|
781 | /* Copy context->state[] to working vars */
|
---|
782 | for (i = 0; i < 8; i++)
|
---|
783 | S[i] = sha256->digest[i];
|
---|
784 |
|
---|
785 | for (i = 0; i < 16; i++)
|
---|
786 | W[i] = *((word32*)&data[i*sizeof(word32)]);
|
---|
787 |
|
---|
788 | for (i = 16; i < WC_SHA256_BLOCK_SIZE; i++)
|
---|
789 | W[i] = Gamma1(W[i-2]) + W[i-7] + Gamma0(W[i-15]) + W[i-16];
|
---|
790 |
|
---|
791 | #ifdef USE_SLOW_SHA256
|
---|
792 | /* not unrolled - ~2k smaller and ~25% slower */
|
---|
793 | for (i = 0; i < WC_SHA256_BLOCK_SIZE; i += 8) {
|
---|
794 | int j;
|
---|
795 | for (j = 0; j < 8; j++) { /* braces needed here for macros {} */
|
---|
796 | RND(j);
|
---|
797 | }
|
---|
798 | }
|
---|
799 | #else
|
---|
800 | /* partially loop unrolled */
|
---|
801 | for (i = 0; i < WC_SHA256_BLOCK_SIZE; i += 8) {
|
---|
802 | RND(0); RND(1); RND(2); RND(3);
|
---|
803 | RND(4); RND(5); RND(6); RND(7);
|
---|
804 | }
|
---|
805 | #endif /* USE_SLOW_SHA256 */
|
---|
806 |
|
---|
807 | /* Add the working vars back into digest state[] */
|
---|
808 | for (i = 0; i < 8; i++) {
|
---|
809 | sha256->digest[i] += S[i];
|
---|
810 | }
|
---|
811 |
|
---|
812 | #if defined(WOLFSSL_SMALL_STACK) && !defined(WOLFSSL_SMALL_STACK_CACHE)
|
---|
813 | XFREE(W, NULL, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
814 | #endif
|
---|
815 | return 0;
|
---|
816 | }
|
---|
817 | #else
|
---|
818 | /* SHA256 version that keeps all data in registers */
|
---|
819 | #define SCHED1(j) (W[j] = *((word32*)&data[j*sizeof(word32)]))
|
---|
820 | #define SCHED(j) ( \
|
---|
821 | W[ j & 15] += \
|
---|
822 | Gamma1(W[(j-2) & 15])+ \
|
---|
823 | W[(j-7) & 15] + \
|
---|
824 | Gamma0(W[(j-15) & 15]) \
|
---|
825 | )
|
---|
826 |
|
---|
827 | #define RND1(j) \
|
---|
828 | t0 = h(j) + Sigma1(e(j)) + Ch(e(j), f(j), g(j)) + K[i+j] + SCHED1(j); \
|
---|
829 | t1 = Sigma0(a(j)) + Maj(a(j), b(j), c(j)); \
|
---|
830 | d(j) += t0; \
|
---|
831 | h(j) = t0 + t1
|
---|
832 | #define RNDN(j) \
|
---|
833 | t0 = h(j) + Sigma1(e(j)) + Ch(e(j), f(j), g(j)) + K[i+j] + SCHED(j); \
|
---|
834 | t1 = Sigma0(a(j)) + Maj(a(j), b(j), c(j)); \
|
---|
835 | d(j) += t0; \
|
---|
836 | h(j) = t0 + t1
|
---|
837 |
|
---|
838 | static int Transform_Sha256(wc_Sha256* sha256, const byte* data)
|
---|
839 | {
|
---|
840 | word32 S[8], t0, t1;
|
---|
841 | int i;
|
---|
842 | word32 W[WC_SHA256_BLOCK_SIZE/sizeof(word32)];
|
---|
843 |
|
---|
844 | /* Copy digest to working vars */
|
---|
845 | S[0] = sha256->digest[0];
|
---|
846 | S[1] = sha256->digest[1];
|
---|
847 | S[2] = sha256->digest[2];
|
---|
848 | S[3] = sha256->digest[3];
|
---|
849 | S[4] = sha256->digest[4];
|
---|
850 | S[5] = sha256->digest[5];
|
---|
851 | S[6] = sha256->digest[6];
|
---|
852 | S[7] = sha256->digest[7];
|
---|
853 |
|
---|
854 | i = 0;
|
---|
855 | RND1( 0); RND1( 1); RND1( 2); RND1( 3);
|
---|
856 | RND1( 4); RND1( 5); RND1( 6); RND1( 7);
|
---|
857 | RND1( 8); RND1( 9); RND1(10); RND1(11);
|
---|
858 | RND1(12); RND1(13); RND1(14); RND1(15);
|
---|
859 | /* 64 operations, partially loop unrolled */
|
---|
860 | for (i = 16; i < 64; i += 16) {
|
---|
861 | RNDN( 0); RNDN( 1); RNDN( 2); RNDN( 3);
|
---|
862 | RNDN( 4); RNDN( 5); RNDN( 6); RNDN( 7);
|
---|
863 | RNDN( 8); RNDN( 9); RNDN(10); RNDN(11);
|
---|
864 | RNDN(12); RNDN(13); RNDN(14); RNDN(15);
|
---|
865 | }
|
---|
866 |
|
---|
867 | /* Add the working vars back into digest */
|
---|
868 | sha256->digest[0] += S[0];
|
---|
869 | sha256->digest[1] += S[1];
|
---|
870 | sha256->digest[2] += S[2];
|
---|
871 | sha256->digest[3] += S[3];
|
---|
872 | sha256->digest[4] += S[4];
|
---|
873 | sha256->digest[5] += S[5];
|
---|
874 | sha256->digest[6] += S[6];
|
---|
875 | sha256->digest[7] += S[7];
|
---|
876 |
|
---|
877 | return 0;
|
---|
878 | }
|
---|
879 | #endif /* SHA256_MANY_REGISTERS */
|
---|
880 | #endif
|
---|
881 | /* End wc_ software implementation */
|
---|
882 |
|
---|
883 |
|
---|
884 | #ifdef XTRANSFORM
|
---|
885 |
|
---|
886 | static WC_INLINE void AddLength(wc_Sha256* sha256, word32 len)
|
---|
887 | {
|
---|
888 | word32 tmp = sha256->loLen;
|
---|
889 | if ((sha256->loLen += len) < tmp) {
|
---|
890 | sha256->hiLen++; /* carry low to high */
|
---|
891 | }
|
---|
892 | }
|
---|
893 |
|
---|
894 | /* do block size increments/updates */
|
---|
895 | static WC_INLINE int Sha256Update(wc_Sha256* sha256, const byte* data, word32 len)
|
---|
896 | {
|
---|
897 | int ret = 0;
|
---|
898 | word32 blocksLen;
|
---|
899 | byte* local;
|
---|
900 |
|
---|
901 | if (sha256 == NULL || (data == NULL && len > 0)) {
|
---|
902 | return BAD_FUNC_ARG;
|
---|
903 | }
|
---|
904 |
|
---|
905 | if (data == NULL && len == 0) {
|
---|
906 | /* valid, but do nothing */
|
---|
907 | return 0;
|
---|
908 | }
|
---|
909 |
|
---|
910 | /* check that internal buffLen is valid */
|
---|
911 | if (sha256->buffLen >= WC_SHA256_BLOCK_SIZE) {
|
---|
912 | return BUFFER_E;
|
---|
913 | }
|
---|
914 |
|
---|
915 | /* add length for final */
|
---|
916 | AddLength(sha256, len);
|
---|
917 |
|
---|
918 | local = (byte*)sha256->buffer;
|
---|
919 |
|
---|
920 | /* process any remainder from previous operation */
|
---|
921 | if (sha256->buffLen > 0) {
|
---|
922 | blocksLen = min(len, WC_SHA256_BLOCK_SIZE - sha256->buffLen);
|
---|
923 | XMEMCPY(&local[sha256->buffLen], data, blocksLen);
|
---|
924 |
|
---|
925 | sha256->buffLen += blocksLen;
|
---|
926 | data += blocksLen;
|
---|
927 | len -= blocksLen;
|
---|
928 |
|
---|
929 | if (sha256->buffLen == WC_SHA256_BLOCK_SIZE) {
|
---|
930 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
931 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
932 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
933 | #endif
|
---|
934 | {
|
---|
935 | ByteReverseWords(sha256->buffer, sha256->buffer,
|
---|
936 | WC_SHA256_BLOCK_SIZE);
|
---|
937 | }
|
---|
938 | #endif
|
---|
939 |
|
---|
940 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
941 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
942 | if (sha256->ctx.mode == ESP32_SHA_INIT){
|
---|
943 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
944 | }
|
---|
945 | if (sha256->ctx.mode == ESP32_SHA_SW){
|
---|
946 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
947 | } else {
|
---|
948 | esp_sha256_process(sha256, (const byte*)local);
|
---|
949 | }
|
---|
950 | #else
|
---|
951 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
952 | #endif
|
---|
953 |
|
---|
954 | if (ret == 0)
|
---|
955 | sha256->buffLen = 0;
|
---|
956 | else
|
---|
957 | len = 0; /* error */
|
---|
958 | }
|
---|
959 | }
|
---|
960 |
|
---|
961 | /* process blocks */
|
---|
962 | #ifdef XTRANSFORM_LEN
|
---|
963 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
964 | if (Transform_Sha256_Len_p != NULL)
|
---|
965 | #endif
|
---|
966 | {
|
---|
967 | /* get number of blocks */
|
---|
968 | /* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */
|
---|
969 | /* len (masked by 0xFFFFFFC0) returns block aligned length */
|
---|
970 | blocksLen = len & ~(WC_SHA256_BLOCK_SIZE-1);
|
---|
971 | if (blocksLen > 0) {
|
---|
972 | /* Byte reversal and alignment handled in function if required */
|
---|
973 | XTRANSFORM_LEN(sha256, data, blocksLen);
|
---|
974 | data += blocksLen;
|
---|
975 | len -= blocksLen;
|
---|
976 | }
|
---|
977 | }
|
---|
978 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
979 | else
|
---|
980 | #endif
|
---|
981 | #endif /* XTRANSFORM_LEN */
|
---|
982 | #if !defined(XTRANSFORM_LEN) || defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
983 | {
|
---|
984 | while (len >= WC_SHA256_BLOCK_SIZE) {
|
---|
985 | word32* local32 = sha256->buffer;
|
---|
986 | /* optimization to avoid memcpy if data pointer is properly aligned */
|
---|
987 | /* Intel transform function requires use of sha256->buffer */
|
---|
988 | /* Little Endian requires byte swap, so can't use data directly */
|
---|
989 | #if defined(WC_HASH_DATA_ALIGNMENT) && !defined(LITTLE_ENDIAN_ORDER) && \
|
---|
990 | !defined(HAVE_INTEL_AVX1) && !defined(HAVE_INTEL_AVX2)
|
---|
991 | if (((size_t)data % WC_HASH_DATA_ALIGNMENT) == 0) {
|
---|
992 | local32 = (word32*)data;
|
---|
993 | }
|
---|
994 | else
|
---|
995 | #endif
|
---|
996 | {
|
---|
997 | XMEMCPY(local32, data, WC_SHA256_BLOCK_SIZE);
|
---|
998 | }
|
---|
999 |
|
---|
1000 | data += WC_SHA256_BLOCK_SIZE;
|
---|
1001 | len -= WC_SHA256_BLOCK_SIZE;
|
---|
1002 |
|
---|
1003 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
1004 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
1005 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
1006 | #endif
|
---|
1007 | {
|
---|
1008 | ByteReverseWords(local32, local32, WC_SHA256_BLOCK_SIZE);
|
---|
1009 | }
|
---|
1010 | #endif
|
---|
1011 |
|
---|
1012 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
1013 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
1014 | if (sha256->ctx.mode == ESP32_SHA_INIT){
|
---|
1015 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
1016 | }
|
---|
1017 | if (sha256->ctx.mode == ESP32_SHA_SW){
|
---|
1018 | ret = XTRANSFORM(sha256, (const byte*)local32);
|
---|
1019 | } else {
|
---|
1020 | esp_sha256_process(sha256, (const byte*)local32);
|
---|
1021 | }
|
---|
1022 | #else
|
---|
1023 | ret = XTRANSFORM(sha256, (const byte*)local32);
|
---|
1024 | #endif
|
---|
1025 |
|
---|
1026 | if (ret != 0)
|
---|
1027 | break;
|
---|
1028 | }
|
---|
1029 | }
|
---|
1030 | #endif
|
---|
1031 |
|
---|
1032 | /* save remainder */
|
---|
1033 | if (len > 0) {
|
---|
1034 | XMEMCPY(local, data, len);
|
---|
1035 | sha256->buffLen = len;
|
---|
1036 | }
|
---|
1037 |
|
---|
1038 | return ret;
|
---|
1039 | }
|
---|
1040 |
|
---|
1041 | int wc_Sha256Update(wc_Sha256* sha256, const byte* data, word32 len)
|
---|
1042 | {
|
---|
1043 | if (sha256 == NULL || (data == NULL && len > 0)) {
|
---|
1044 | return BAD_FUNC_ARG;
|
---|
1045 | }
|
---|
1046 |
|
---|
1047 | if (data == NULL && len == 0) {
|
---|
1048 | /* valid, but do nothing */
|
---|
1049 | return 0;
|
---|
1050 | }
|
---|
1051 |
|
---|
1052 | #ifdef WOLF_CRYPTO_CB
|
---|
1053 | if (sha256->devId != INVALID_DEVID) {
|
---|
1054 | int ret = wc_CryptoCb_Sha256Hash(sha256, data, len, NULL);
|
---|
1055 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
1056 | return ret;
|
---|
1057 | /* fall-through when unavailable */
|
---|
1058 | }
|
---|
1059 | #endif
|
---|
1060 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
1061 | if (sha256->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA256) {
|
---|
1062 | #if defined(HAVE_INTEL_QA)
|
---|
1063 | return IntelQaSymSha256(&sha256->asyncDev, NULL, data, len);
|
---|
1064 | #endif
|
---|
1065 | }
|
---|
1066 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1067 |
|
---|
1068 | return Sha256Update(sha256, data, len);
|
---|
1069 | }
|
---|
1070 |
|
---|
1071 | static WC_INLINE int Sha256Final(wc_Sha256* sha256)
|
---|
1072 | {
|
---|
1073 |
|
---|
1074 | int ret;
|
---|
1075 | byte* local;
|
---|
1076 |
|
---|
1077 | if (sha256 == NULL) {
|
---|
1078 | return BAD_FUNC_ARG;
|
---|
1079 | }
|
---|
1080 |
|
---|
1081 | local = (byte*)sha256->buffer;
|
---|
1082 | local[sha256->buffLen++] = 0x80; /* add 1 */
|
---|
1083 |
|
---|
1084 | /* pad with zeros */
|
---|
1085 | if (sha256->buffLen > WC_SHA256_PAD_SIZE) {
|
---|
1086 | XMEMSET(&local[sha256->buffLen], 0,
|
---|
1087 | WC_SHA256_BLOCK_SIZE - sha256->buffLen);
|
---|
1088 | sha256->buffLen += WC_SHA256_BLOCK_SIZE - sha256->buffLen;
|
---|
1089 |
|
---|
1090 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
1091 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
1092 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
1093 | #endif
|
---|
1094 | {
|
---|
1095 | ByteReverseWords(sha256->buffer, sha256->buffer,
|
---|
1096 | WC_SHA256_BLOCK_SIZE);
|
---|
1097 | }
|
---|
1098 | #endif
|
---|
1099 |
|
---|
1100 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
1101 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
1102 | if (sha256->ctx.mode == ESP32_SHA_INIT) {
|
---|
1103 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
1104 | }
|
---|
1105 | if (sha256->ctx.mode == ESP32_SHA_SW) {
|
---|
1106 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
1107 | } else {
|
---|
1108 | ret = esp_sha256_process(sha256, (const byte*)local);
|
---|
1109 | }
|
---|
1110 | #else
|
---|
1111 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
1112 | #endif
|
---|
1113 | if (ret != 0)
|
---|
1114 | return ret;
|
---|
1115 |
|
---|
1116 | sha256->buffLen = 0;
|
---|
1117 | }
|
---|
1118 | XMEMSET(&local[sha256->buffLen], 0,
|
---|
1119 | WC_SHA256_PAD_SIZE - sha256->buffLen);
|
---|
1120 |
|
---|
1121 | /* put lengths in bits */
|
---|
1122 | sha256->hiLen = (sha256->loLen >> (8 * sizeof(sha256->loLen) - 3)) +
|
---|
1123 | (sha256->hiLen << 3);
|
---|
1124 | sha256->loLen = sha256->loLen << 3;
|
---|
1125 |
|
---|
1126 | /* store lengths */
|
---|
1127 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
1128 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
1129 | if (!IS_INTEL_AVX1(intel_flags) && !IS_INTEL_AVX2(intel_flags))
|
---|
1130 | #endif
|
---|
1131 | {
|
---|
1132 | ByteReverseWords(sha256->buffer, sha256->buffer,
|
---|
1133 | WC_SHA256_BLOCK_SIZE);
|
---|
1134 | }
|
---|
1135 | #endif
|
---|
1136 | /* ! length ordering dependent on digest endian type ! */
|
---|
1137 | XMEMCPY(&local[WC_SHA256_PAD_SIZE], &sha256->hiLen, sizeof(word32));
|
---|
1138 | XMEMCPY(&local[WC_SHA256_PAD_SIZE + sizeof(word32)], &sha256->loLen,
|
---|
1139 | sizeof(word32));
|
---|
1140 |
|
---|
1141 | #if defined(FREESCALE_MMCAU_SHA) || defined(HAVE_INTEL_AVX1) || \
|
---|
1142 | defined(HAVE_INTEL_AVX2)
|
---|
1143 | /* Kinetis requires only these bytes reversed */
|
---|
1144 | #if defined(HAVE_INTEL_AVX1) || defined(HAVE_INTEL_AVX2)
|
---|
1145 | if (IS_INTEL_AVX1(intel_flags) || IS_INTEL_AVX2(intel_flags))
|
---|
1146 | #endif
|
---|
1147 | {
|
---|
1148 | ByteReverseWords(
|
---|
1149 | &sha256->buffer[WC_SHA256_PAD_SIZE / sizeof(word32)],
|
---|
1150 | &sha256->buffer[WC_SHA256_PAD_SIZE / sizeof(word32)],
|
---|
1151 | 2 * sizeof(word32));
|
---|
1152 | }
|
---|
1153 | #endif
|
---|
1154 |
|
---|
1155 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
1156 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
1157 | if (sha256->ctx.mode == ESP32_SHA_INIT) {
|
---|
1158 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
1159 | }
|
---|
1160 | if (sha256->ctx.mode == ESP32_SHA_SW) {
|
---|
1161 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
1162 | } else {
|
---|
1163 | ret = esp_sha256_digest_process(sha256, 1);
|
---|
1164 | }
|
---|
1165 | #else
|
---|
1166 | ret = XTRANSFORM(sha256, (const byte*)local);
|
---|
1167 | #endif
|
---|
1168 |
|
---|
1169 | return ret;
|
---|
1170 | }
|
---|
1171 |
|
---|
1172 | int wc_Sha256FinalRaw(wc_Sha256* sha256, byte* hash)
|
---|
1173 | {
|
---|
1174 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1175 | word32 digest[WC_SHA256_DIGEST_SIZE / sizeof(word32)];
|
---|
1176 | #endif
|
---|
1177 |
|
---|
1178 | if (sha256 == NULL || hash == NULL) {
|
---|
1179 | return BAD_FUNC_ARG;
|
---|
1180 | }
|
---|
1181 |
|
---|
1182 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
1183 | ByteReverseWords((word32*)digest, (word32*)sha256->digest,
|
---|
1184 | WC_SHA256_DIGEST_SIZE);
|
---|
1185 | XMEMCPY(hash, digest, WC_SHA256_DIGEST_SIZE);
|
---|
1186 | #else
|
---|
1187 | XMEMCPY(hash, sha256->digest, WC_SHA256_DIGEST_SIZE);
|
---|
1188 | #endif
|
---|
1189 |
|
---|
1190 | return 0;
|
---|
1191 | }
|
---|
1192 |
|
---|
1193 | int wc_Sha256Final(wc_Sha256* sha256, byte* hash)
|
---|
1194 | {
|
---|
1195 | int ret;
|
---|
1196 |
|
---|
1197 | if (sha256 == NULL || hash == NULL) {
|
---|
1198 | return BAD_FUNC_ARG;
|
---|
1199 | }
|
---|
1200 |
|
---|
1201 | #ifdef WOLF_CRYPTO_CB
|
---|
1202 | if (sha256->devId != INVALID_DEVID) {
|
---|
1203 | ret = wc_CryptoCb_Sha256Hash(sha256, NULL, 0, hash);
|
---|
1204 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
1205 | return ret;
|
---|
1206 | /* fall-through when unavailable */
|
---|
1207 | }
|
---|
1208 | #endif
|
---|
1209 |
|
---|
1210 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
1211 | if (sha256->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA256) {
|
---|
1212 | #if defined(HAVE_INTEL_QA)
|
---|
1213 | return IntelQaSymSha256(&sha256->asyncDev, hash, NULL,
|
---|
1214 | WC_SHA256_DIGEST_SIZE);
|
---|
1215 | #endif
|
---|
1216 | }
|
---|
1217 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1218 |
|
---|
1219 | ret = Sha256Final(sha256);
|
---|
1220 | if (ret != 0)
|
---|
1221 | return ret;
|
---|
1222 |
|
---|
1223 | #if defined(LITTLE_ENDIAN_ORDER)
|
---|
1224 | ByteReverseWords(sha256->digest, sha256->digest, WC_SHA256_DIGEST_SIZE);
|
---|
1225 | #endif
|
---|
1226 | XMEMCPY(hash, sha256->digest, WC_SHA256_DIGEST_SIZE);
|
---|
1227 |
|
---|
1228 | return InitSha256(sha256); /* reset state */
|
---|
1229 | }
|
---|
1230 |
|
---|
1231 | #endif /* XTRANSFORM */
|
---|
1232 |
|
---|
1233 | #ifdef WOLFSSL_SHA224
|
---|
1234 |
|
---|
1235 | #ifdef STM32_HASH_SHA2
|
---|
1236 |
|
---|
1237 | /* Supports CubeMX HAL or Standard Peripheral Library */
|
---|
1238 |
|
---|
1239 | int wc_InitSha224_ex(wc_Sha224* sha224, void* heap, int devId)
|
---|
1240 | {
|
---|
1241 | if (sha224 == NULL)
|
---|
1242 | return BAD_FUNC_ARG;
|
---|
1243 |
|
---|
1244 | (void)devId;
|
---|
1245 | (void)heap;
|
---|
1246 |
|
---|
1247 | wc_Stm32_Hash_Init(&sha224->stmCtx);
|
---|
1248 | return 0;
|
---|
1249 | }
|
---|
1250 |
|
---|
1251 | int wc_Sha224Update(wc_Sha224* sha224, const byte* data, word32 len)
|
---|
1252 | {
|
---|
1253 | int ret = 0;
|
---|
1254 |
|
---|
1255 | if (sha224 == NULL || (data == NULL && len > 0)) {
|
---|
1256 | return BAD_FUNC_ARG;
|
---|
1257 | }
|
---|
1258 |
|
---|
1259 | ret = wolfSSL_CryptHwMutexLock();
|
---|
1260 | if (ret == 0) {
|
---|
1261 | ret = wc_Stm32_Hash_Update(&sha224->stmCtx,
|
---|
1262 | HASH_AlgoSelection_SHA224, data, len);
|
---|
1263 | wolfSSL_CryptHwMutexUnLock();
|
---|
1264 | }
|
---|
1265 | return ret;
|
---|
1266 | }
|
---|
1267 |
|
---|
1268 | int wc_Sha224Final(wc_Sha224* sha224, byte* hash)
|
---|
1269 | {
|
---|
1270 | int ret = 0;
|
---|
1271 |
|
---|
1272 | if (sha224 == NULL || hash == NULL) {
|
---|
1273 | return BAD_FUNC_ARG;
|
---|
1274 | }
|
---|
1275 |
|
---|
1276 | ret = wolfSSL_CryptHwMutexLock();
|
---|
1277 | if (ret == 0) {
|
---|
1278 | ret = wc_Stm32_Hash_Final(&sha224->stmCtx,
|
---|
1279 | HASH_AlgoSelection_SHA224, hash, WC_SHA224_DIGEST_SIZE);
|
---|
1280 | wolfSSL_CryptHwMutexUnLock();
|
---|
1281 | }
|
---|
1282 |
|
---|
1283 | (void)wc_InitSha224(sha224); /* reset state */
|
---|
1284 |
|
---|
1285 | return ret;
|
---|
1286 | }
|
---|
1287 |
|
---|
1288 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
|
---|
1289 | /* functions defined in wolfcrypt/src/port/caam/caam_sha256.c */
|
---|
1290 |
|
---|
1291 | #elif defined(WOLFSSL_AFALG_HASH)
|
---|
1292 | #error SHA224 currently not supported with AF_ALG enabled
|
---|
1293 |
|
---|
1294 | #elif defined(WOLFSSL_DEVCRYPTO_HASH)
|
---|
1295 | /* implemented in wolfcrypt/src/port/devcrypto/devcrypt_hash.c */
|
---|
1296 |
|
---|
1297 | #else
|
---|
1298 |
|
---|
1299 | #define NEED_SOFT_SHA224
|
---|
1300 |
|
---|
1301 |
|
---|
1302 | static int InitSha224(wc_Sha224* sha224)
|
---|
1303 | {
|
---|
1304 | int ret = 0;
|
---|
1305 |
|
---|
1306 | if (sha224 == NULL) {
|
---|
1307 | return BAD_FUNC_ARG;
|
---|
1308 | }
|
---|
1309 |
|
---|
1310 | sha224->digest[0] = 0xc1059ed8;
|
---|
1311 | sha224->digest[1] = 0x367cd507;
|
---|
1312 | sha224->digest[2] = 0x3070dd17;
|
---|
1313 | sha224->digest[3] = 0xf70e5939;
|
---|
1314 | sha224->digest[4] = 0xffc00b31;
|
---|
1315 | sha224->digest[5] = 0x68581511;
|
---|
1316 | sha224->digest[6] = 0x64f98fa7;
|
---|
1317 | sha224->digest[7] = 0xbefa4fa4;
|
---|
1318 |
|
---|
1319 | sha224->buffLen = 0;
|
---|
1320 | sha224->loLen = 0;
|
---|
1321 | sha224->hiLen = 0;
|
---|
1322 |
|
---|
1323 | #if defined(HAVE_INTEL_AVX1)|| defined(HAVE_INTEL_AVX2)
|
---|
1324 | /* choose best Transform function under this runtime environment */
|
---|
1325 | Sha256_SetTransform();
|
---|
1326 | #endif
|
---|
1327 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
1328 | sha224->flags = 0;
|
---|
1329 | #endif
|
---|
1330 |
|
---|
1331 | return ret;
|
---|
1332 | }
|
---|
1333 |
|
---|
1334 | #endif
|
---|
1335 |
|
---|
1336 | #ifdef NEED_SOFT_SHA224
|
---|
1337 | int wc_InitSha224_ex(wc_Sha224* sha224, void* heap, int devId)
|
---|
1338 | {
|
---|
1339 | int ret = 0;
|
---|
1340 |
|
---|
1341 | if (sha224 == NULL)
|
---|
1342 | return BAD_FUNC_ARG;
|
---|
1343 |
|
---|
1344 | sha224->heap = heap;
|
---|
1345 |
|
---|
1346 | ret = InitSha224(sha224);
|
---|
1347 | if (ret != 0)
|
---|
1348 | return ret;
|
---|
1349 |
|
---|
1350 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
1351 | sha224->W = NULL;
|
---|
1352 | #endif
|
---|
1353 |
|
---|
1354 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
1355 | ret = wolfAsync_DevCtxInit(&sha224->asyncDev,
|
---|
1356 | WOLFSSL_ASYNC_MARKER_SHA224, sha224->heap, devId);
|
---|
1357 | #else
|
---|
1358 | (void)devId;
|
---|
1359 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1360 |
|
---|
1361 | return ret;
|
---|
1362 | }
|
---|
1363 |
|
---|
1364 | int wc_Sha224Update(wc_Sha224* sha224, const byte* data, word32 len)
|
---|
1365 | {
|
---|
1366 | int ret;
|
---|
1367 |
|
---|
1368 | if (sha224 == NULL || (data == NULL && len > 0)) {
|
---|
1369 | return BAD_FUNC_ARG;
|
---|
1370 | }
|
---|
1371 |
|
---|
1372 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
1373 | if (sha224->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA224) {
|
---|
1374 | #if defined(HAVE_INTEL_QA)
|
---|
1375 | return IntelQaSymSha224(&sha224->asyncDev, NULL, data, len);
|
---|
1376 | #endif
|
---|
1377 | }
|
---|
1378 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1379 |
|
---|
1380 | ret = Sha256Update((wc_Sha256*)sha224, data, len);
|
---|
1381 |
|
---|
1382 | return ret;
|
---|
1383 | }
|
---|
1384 |
|
---|
1385 | int wc_Sha224Final(wc_Sha224* sha224, byte* hash)
|
---|
1386 | {
|
---|
1387 | int ret;
|
---|
1388 |
|
---|
1389 | if (sha224 == NULL || hash == NULL) {
|
---|
1390 | return BAD_FUNC_ARG;
|
---|
1391 | }
|
---|
1392 |
|
---|
1393 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
1394 | if (sha224->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA224) {
|
---|
1395 | #if defined(HAVE_INTEL_QA)
|
---|
1396 | return IntelQaSymSha224(&sha224->asyncDev, hash, NULL,
|
---|
1397 | WC_SHA224_DIGEST_SIZE);
|
---|
1398 | #endif
|
---|
1399 | }
|
---|
1400 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1401 |
|
---|
1402 | ret = Sha256Final((wc_Sha256*)sha224);
|
---|
1403 | if (ret != 0)
|
---|
1404 | return ret;
|
---|
1405 |
|
---|
1406 | #if defined(LITTLE_ENDIAN_ORDER)
|
---|
1407 | ByteReverseWords(sha224->digest, sha224->digest, WC_SHA224_DIGEST_SIZE);
|
---|
1408 | #endif
|
---|
1409 | XMEMCPY(hash, sha224->digest, WC_SHA224_DIGEST_SIZE);
|
---|
1410 |
|
---|
1411 | return InitSha224(sha224); /* reset state */
|
---|
1412 | }
|
---|
1413 | #endif /* end of SHA224 software implementation */
|
---|
1414 |
|
---|
1415 | int wc_InitSha224(wc_Sha224* sha224)
|
---|
1416 | {
|
---|
1417 | return wc_InitSha224_ex(sha224, NULL, INVALID_DEVID);
|
---|
1418 | }
|
---|
1419 |
|
---|
1420 | void wc_Sha224Free(wc_Sha224* sha224)
|
---|
1421 | {
|
---|
1422 | if (sha224 == NULL)
|
---|
1423 | return;
|
---|
1424 |
|
---|
1425 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
1426 | if (sha224->W != NULL) {
|
---|
1427 | XFREE(sha224->W, NULL, DYNAMIC_TYPE_DIGEST);
|
---|
1428 | sha224->W = NULL;
|
---|
1429 | }
|
---|
1430 | #endif
|
---|
1431 |
|
---|
1432 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA224)
|
---|
1433 | wolfAsync_DevCtxFree(&sha224->asyncDev, WOLFSSL_ASYNC_MARKER_SHA224);
|
---|
1434 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1435 |
|
---|
1436 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
1437 | wc_Sha256Pic32Free(sha224);
|
---|
1438 | #endif
|
---|
1439 | }
|
---|
1440 | #endif /* WOLFSSL_SHA224 */
|
---|
1441 |
|
---|
1442 |
|
---|
1443 | int wc_InitSha256(wc_Sha256* sha256)
|
---|
1444 | {
|
---|
1445 | return wc_InitSha256_ex(sha256, NULL, INVALID_DEVID);
|
---|
1446 | }
|
---|
1447 |
|
---|
1448 | void wc_Sha256Free(wc_Sha256* sha256)
|
---|
1449 | {
|
---|
1450 | if (sha256 == NULL)
|
---|
1451 | return;
|
---|
1452 |
|
---|
1453 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
1454 | if (sha256->W != NULL) {
|
---|
1455 | XFREE(sha256->W, NULL, DYNAMIC_TYPE_DIGEST);
|
---|
1456 | sha256->W = NULL;
|
---|
1457 | }
|
---|
1458 | #endif
|
---|
1459 |
|
---|
1460 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA256)
|
---|
1461 | wolfAsync_DevCtxFree(&sha256->asyncDev, WOLFSSL_ASYNC_MARKER_SHA256);
|
---|
1462 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
1463 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
1464 | wc_Sha256Pic32Free(sha256);
|
---|
1465 | #endif
|
---|
1466 | #if defined(WOLFSSL_AFALG_HASH)
|
---|
1467 | if (sha256->alFd > 0) {
|
---|
1468 | close(sha256->alFd);
|
---|
1469 | sha256->alFd = -1; /* avoid possible double close on socket */
|
---|
1470 | }
|
---|
1471 | if (sha256->rdFd > 0) {
|
---|
1472 | close(sha256->rdFd);
|
---|
1473 | sha256->rdFd = -1; /* avoid possible double close on socket */
|
---|
1474 | }
|
---|
1475 | #endif /* WOLFSSL_AFALG_HASH */
|
---|
1476 | #ifdef WOLFSSL_DEVCRYPTO_HASH
|
---|
1477 | wc_DevCryptoFree(&sha256->ctx);
|
---|
1478 | #endif /* WOLFSSL_DEVCRYPTO */
|
---|
1479 | #if (defined(WOLFSSL_AFALG_HASH) && defined(WOLFSSL_AFALG_HASH_KEEP)) || \
|
---|
1480 | (defined(WOLFSSL_DEVCRYPTO_HASH) && defined(WOLFSSL_DEVCRYPTO_HASH_KEEP)) || \
|
---|
1481 | (defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
|
---|
1482 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH))
|
---|
1483 | if (sha256->msg != NULL) {
|
---|
1484 | XFREE(sha256->msg, sha256->heap, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
1485 | sha256->msg = NULL;
|
---|
1486 | }
|
---|
1487 | #endif
|
---|
1488 | }
|
---|
1489 |
|
---|
1490 | #endif /* !WOLFSSL_TI_HASH */
|
---|
1491 | #endif /* HAVE_FIPS */
|
---|
1492 |
|
---|
1493 |
|
---|
1494 | #ifndef WOLFSSL_TI_HASH
|
---|
1495 | #ifdef WOLFSSL_SHA224
|
---|
1496 | int wc_Sha224GetHash(wc_Sha224* sha224, byte* hash)
|
---|
1497 | {
|
---|
1498 | int ret;
|
---|
1499 | wc_Sha224 tmpSha224;
|
---|
1500 |
|
---|
1501 | if (sha224 == NULL || hash == NULL)
|
---|
1502 | return BAD_FUNC_ARG;
|
---|
1503 |
|
---|
1504 | ret = wc_Sha224Copy(sha224, &tmpSha224);
|
---|
1505 | if (ret == 0) {
|
---|
1506 | ret = wc_Sha224Final(&tmpSha224, hash);
|
---|
1507 | wc_Sha224Free(&tmpSha224);
|
---|
1508 | }
|
---|
1509 | return ret;
|
---|
1510 | }
|
---|
1511 | int wc_Sha224Copy(wc_Sha224* src, wc_Sha224* dst)
|
---|
1512 | {
|
---|
1513 | int ret = 0;
|
---|
1514 |
|
---|
1515 | if (src == NULL || dst == NULL)
|
---|
1516 | return BAD_FUNC_ARG;
|
---|
1517 |
|
---|
1518 | XMEMCPY(dst, src, sizeof(wc_Sha224));
|
---|
1519 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
1520 | dst->W = NULL;
|
---|
1521 | #endif
|
---|
1522 |
|
---|
1523 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
1524 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
1525 | #endif
|
---|
1526 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
1527 | dst->flags |= WC_HASH_FLAG_ISCOPY;
|
---|
1528 | #endif
|
---|
1529 |
|
---|
1530 | return ret;
|
---|
1531 | }
|
---|
1532 |
|
---|
1533 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
1534 | int wc_Sha224SetFlags(wc_Sha224* sha224, word32 flags)
|
---|
1535 | {
|
---|
1536 | if (sha224) {
|
---|
1537 | sha224->flags = flags;
|
---|
1538 | }
|
---|
1539 | return 0;
|
---|
1540 | }
|
---|
1541 | int wc_Sha224GetFlags(wc_Sha224* sha224, word32* flags)
|
---|
1542 | {
|
---|
1543 | if (sha224 && flags) {
|
---|
1544 | *flags = sha224->flags;
|
---|
1545 | }
|
---|
1546 | return 0;
|
---|
1547 | }
|
---|
1548 | #endif
|
---|
1549 |
|
---|
1550 | #endif /* WOLFSSL_SHA224 */
|
---|
1551 |
|
---|
1552 | #ifdef WOLFSSL_AFALG_HASH
|
---|
1553 | /* implemented in wolfcrypt/src/port/af_alg/afalg_hash.c */
|
---|
1554 |
|
---|
1555 | #elif defined(WOLFSSL_DEVCRYPTO_HASH)
|
---|
1556 | /* implemented in wolfcrypt/src/port/devcrypto/devcrypt_hash.c */
|
---|
1557 |
|
---|
1558 | #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
|
---|
1559 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
|
---|
1560 |
|
---|
1561 | /* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */
|
---|
1562 | #else
|
---|
1563 |
|
---|
1564 | int wc_Sha256GetHash(wc_Sha256* sha256, byte* hash)
|
---|
1565 | {
|
---|
1566 | int ret;
|
---|
1567 | wc_Sha256 tmpSha256;
|
---|
1568 |
|
---|
1569 | if (sha256 == NULL || hash == NULL)
|
---|
1570 | return BAD_FUNC_ARG;
|
---|
1571 |
|
---|
1572 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
1573 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
1574 | if(sha256->ctx.mode == ESP32_SHA_INIT){
|
---|
1575 | esp_sha_try_hw_lock(&sha256->ctx);
|
---|
1576 | }
|
---|
1577 | if(sha256->ctx.mode == ESP32_SHA_HW)
|
---|
1578 | {
|
---|
1579 | esp_sha256_digest_process(sha256, 0);
|
---|
1580 | }
|
---|
1581 | #endif
|
---|
1582 | ret = wc_Sha256Copy(sha256, &tmpSha256);
|
---|
1583 | if (ret == 0) {
|
---|
1584 | ret = wc_Sha256Final(&tmpSha256, hash);
|
---|
1585 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
1586 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
1587 | sha256->ctx.mode = ESP32_SHA_SW;
|
---|
1588 | #endif
|
---|
1589 |
|
---|
1590 | wc_Sha256Free(&tmpSha256);
|
---|
1591 | }
|
---|
1592 | return ret;
|
---|
1593 | }
|
---|
1594 | int wc_Sha256Copy(wc_Sha256* src, wc_Sha256* dst)
|
---|
1595 | {
|
---|
1596 | int ret = 0;
|
---|
1597 |
|
---|
1598 | if (src == NULL || dst == NULL)
|
---|
1599 | return BAD_FUNC_ARG;
|
---|
1600 |
|
---|
1601 | XMEMCPY(dst, src, sizeof(wc_Sha256));
|
---|
1602 | #ifdef WOLFSSL_SMALL_STACK_CACHE
|
---|
1603 | dst->W = NULL;
|
---|
1604 | #endif
|
---|
1605 |
|
---|
1606 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
1607 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
1608 | #endif
|
---|
1609 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
1610 | ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
---|
1611 | #endif
|
---|
1612 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
1613 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
1614 | dst->ctx.mode = src->ctx.mode;
|
---|
1615 | dst->ctx.isfirstblock = src->ctx.isfirstblock;
|
---|
1616 | dst->ctx.sha_type = src->ctx.sha_type;
|
---|
1617 | #endif
|
---|
1618 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
1619 | dst->flags |= WC_HASH_FLAG_ISCOPY;
|
---|
1620 | #endif
|
---|
1621 |
|
---|
1622 | return ret;
|
---|
1623 | }
|
---|
1624 | #endif
|
---|
1625 |
|
---|
1626 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
1627 | int wc_Sha256SetFlags(wc_Sha256* sha256, word32 flags)
|
---|
1628 | {
|
---|
1629 | if (sha256) {
|
---|
1630 | sha256->flags = flags;
|
---|
1631 | }
|
---|
1632 | return 0;
|
---|
1633 | }
|
---|
1634 | int wc_Sha256GetFlags(wc_Sha256* sha256, word32* flags)
|
---|
1635 | {
|
---|
1636 | if (sha256 && flags) {
|
---|
1637 | *flags = sha256->flags;
|
---|
1638 | }
|
---|
1639 | return 0;
|
---|
1640 | }
|
---|
1641 | #endif
|
---|
1642 | #endif /* !WOLFSSL_TI_HASH */
|
---|
1643 |
|
---|
1644 | #endif /* NO_SHA256 */
|
---|