1 | /* sha256.h
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2 | *
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3 | * Copyright (C) 2006-2020 wolfSSL Inc.
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4 | *
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5 | * This file is part of wolfSSL.
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6 | *
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7 | * wolfSSL is free software; you can redistribute it and/or modify
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8 | * it under the terms of the GNU General Public License as published by
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9 | * the Free Software Foundation; either version 2 of the License, or
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10 | * (at your option) any later version.
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11 | *
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12 | * wolfSSL is distributed in the hope that it will be useful,
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13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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15 | * GNU General Public License for more details.
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16 | *
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17 | * You should have received a copy of the GNU General Public License
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18 | * along with this program; if not, write to the Free Software
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19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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20 | */
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21 |
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22 | /*!
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23 | \file wolfssl/wolfcrypt/sha256.h
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24 | */
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25 |
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26 |
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27 |
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28 | #ifndef WOLF_CRYPT_SHA256_H
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29 | #define WOLF_CRYPT_SHA256_H
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30 |
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31 | #include <wolfssl/wolfcrypt/types.h>
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32 |
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33 | #ifndef NO_SHA256
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34 |
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35 | #if defined(HAVE_FIPS) && \
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36 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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37 | #include <wolfssl/wolfcrypt/fips.h>
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38 | #endif /* HAVE_FIPS_VERSION >= 2 */
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39 |
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40 | #if defined(HAVE_FIPS) && \
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41 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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42 | #define wc_Sha256 Sha256
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43 | #define WC_SHA256 SHA256
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44 | #define WC_SHA256_BLOCK_SIZE SHA256_BLOCK_SIZE
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45 | #define WC_SHA256_DIGEST_SIZE SHA256_DIGEST_SIZE
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46 | #define WC_SHA256_PAD_SIZE SHA256_PAD_SIZE
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47 |
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48 | #ifdef WOLFSSL_SHA224
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49 | #define wc_Sha224 Sha224
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50 | #define WC_SHA224 SHA224
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51 | #define WC_SHA224_BLOCK_SIZE SHA224_BLOCK_SIZE
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52 | #define WC_SHA224_DIGEST_SIZE SHA224_DIGEST_SIZE
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53 | #define WC_SHA224_PAD_SIZE SHA224_PAD_SIZE
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54 | #endif
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55 |
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56 | /* for fips @wc_fips */
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57 | #include <cyassl/ctaocrypt/sha256.h>
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58 | #endif
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59 |
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60 | #ifdef FREESCALE_LTC_SHA
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61 | #include "fsl_ltc.h"
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62 | #endif
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63 |
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64 |
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65 | #ifdef __cplusplus
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66 | extern "C" {
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67 | #endif
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68 |
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69 | /* avoid redefinition of structs */
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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 | #ifdef WOLFSSL_MICROCHIP_PIC32MZ
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74 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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75 | #endif
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76 | #ifdef STM32_HASH
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77 | #include <wolfssl/wolfcrypt/port/st/stm32.h>
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78 | #endif
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79 | #ifdef WOLFSSL_ASYNC_CRYPT
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80 | #include <wolfssl/wolfcrypt/async.h>
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81 | #endif
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82 | #if defined(WOLFSSL_DEVCRYPTO) && defined(WOLFSSL_DEVCRYPTO_HASH)
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83 | #include <wolfssl/wolfcrypt/port/devcrypto/wc_devcrypto.h>
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84 | #endif
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85 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT)
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86 | #include "wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h"
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87 | #endif
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88 | #if defined(WOLFSSL_CRYPTOCELL)
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89 | #include <wolfssl/wolfcrypt/port/arm/cryptoCell.h>
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90 | #endif
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91 |
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92 | #if defined(_MSC_VER)
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93 | #define SHA256_NOINLINE __declspec(noinline)
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94 | #elif defined(__IAR_SYSTEMS_ICC__) || defined(__GNUC__)
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95 | #define SHA256_NOINLINE __attribute__((noinline))
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96 | #else
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97 | #define SHA256_NOINLINE
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98 | #endif
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99 |
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100 | #if !defined(NO_OLD_SHA_NAMES)
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101 | #define SHA256 WC_SHA256
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102 | #endif
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103 |
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104 | #ifndef NO_OLD_WC_NAMES
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105 | #define Sha256 wc_Sha256
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106 | #define SHA256_BLOCK_SIZE WC_SHA256_BLOCK_SIZE
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107 | #define SHA256_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
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108 | #define SHA256_PAD_SIZE WC_SHA256_PAD_SIZE
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109 | #endif
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110 |
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111 | /* in bytes */
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112 | enum {
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113 | WC_SHA256 = WC_HASH_TYPE_SHA256,
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114 | WC_SHA256_BLOCK_SIZE = 64,
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115 | WC_SHA256_DIGEST_SIZE = 32,
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116 | WC_SHA256_PAD_SIZE = 56
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117 | };
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118 |
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119 |
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120 | #ifdef WOLFSSL_TI_HASH
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121 | #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
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122 | #elif defined(WOLFSSL_IMX6_CAAM)
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123 | #include "wolfssl/wolfcrypt/port/caam/wolfcaam_sha.h"
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124 | #elif defined(WOLFSSL_AFALG_HASH)
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125 | #include "wolfssl/wolfcrypt/port/af_alg/afalg_hash.h"
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126 | #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
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127 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
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128 | #include "wolfssl/wolfcrypt/port/Renesas/renesas-tsip-crypt.h"
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129 | #else
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130 |
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131 | /* wc_Sha256 digest */
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132 | struct wc_Sha256 {
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133 | #ifdef FREESCALE_LTC_SHA
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134 | ltc_hash_ctx_t ctx;
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135 | #elif defined(STM32_HASH_SHA2)
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136 | STM32_HASH_Context stmCtx;
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137 | #else
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138 | /* alignment on digest and buffer speeds up ARMv8 crypto operations */
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139 | ALIGN16 word32 digest[WC_SHA256_DIGEST_SIZE / sizeof(word32)];
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140 | ALIGN16 word32 buffer[WC_SHA256_BLOCK_SIZE / sizeof(word32)];
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141 | word32 buffLen; /* in bytes */
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142 | word32 loLen; /* length in bytes */
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143 | word32 hiLen; /* length in bytes */
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144 | void* heap;
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145 | #ifdef WOLFSSL_PIC32MZ_HASH
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146 | hashUpdCache cache; /* cache for updates */
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147 | #endif
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148 | #ifdef WOLFSSL_ASYNC_CRYPT
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149 | WC_ASYNC_DEV asyncDev;
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150 | #endif /* WOLFSSL_ASYNC_CRYPT */
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151 | #ifdef WOLFSSL_SMALL_STACK_CACHE
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152 | word32* W;
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153 | #endif
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154 | #ifdef WOLFSSL_DEVCRYPTO_HASH
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155 | WC_CRYPTODEV ctx;
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156 | byte* msg;
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157 | word32 used;
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158 | word32 len;
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159 | #endif
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160 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
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161 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
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162 | WC_ESP32SHA ctx;
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163 | #endif
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164 | #ifdef WOLFSSL_CRYPTOCELL
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165 | CRYS_HASHUserContext_t ctx;
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166 | #endif
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167 | #ifdef WOLF_CRYPTO_CB
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168 | int devId;
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169 | void* devCtx; /* generic crypto callback context */
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170 | #endif
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171 | #endif
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172 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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173 | word32 flags; /* enum wc_HashFlags in hash.h */
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174 | #endif
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175 | };
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176 |
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177 | #ifndef WC_SHA256_TYPE_DEFINED
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178 | typedef struct wc_Sha256 wc_Sha256;
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179 | #define WC_SHA256_TYPE_DEFINED
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180 | #endif
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181 |
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182 | #endif
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183 |
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184 | #endif /* HAVE_FIPS */
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185 |
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186 | WOLFSSL_API int wc_InitSha256(wc_Sha256*);
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187 | WOLFSSL_API int wc_InitSha256_ex(wc_Sha256*, void*, int);
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188 | WOLFSSL_API int wc_Sha256Update(wc_Sha256*, const byte*, word32);
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189 | WOLFSSL_API int wc_Sha256FinalRaw(wc_Sha256*, byte*);
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190 | WOLFSSL_API int wc_Sha256Final(wc_Sha256*, byte*);
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191 | WOLFSSL_API void wc_Sha256Free(wc_Sha256*);
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192 |
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193 | WOLFSSL_API int wc_Sha256GetHash(wc_Sha256*, byte*);
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194 | WOLFSSL_API int wc_Sha256Copy(wc_Sha256* src, wc_Sha256* dst);
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195 |
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196 | #ifdef WOLFSSL_PIC32MZ_HASH
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197 | WOLFSSL_API void wc_Sha256SizeSet(wc_Sha256*, word32);
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198 | #endif
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199 |
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200 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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201 | WOLFSSL_API int wc_Sha256SetFlags(wc_Sha256* sha256, word32 flags);
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202 | WOLFSSL_API int wc_Sha256GetFlags(wc_Sha256* sha256, word32* flags);
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203 | #endif
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204 |
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205 | #ifdef WOLFSSL_SHA224
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206 | /* avoid redefinition of structs */
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207 | #if !defined(HAVE_FIPS) || \
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208 | (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
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209 |
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210 | #ifndef NO_OLD_WC_NAMES
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211 | #define Sha224 wc_Sha224
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212 | #define SHA224 WC_SHA224
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213 | #define SHA224_BLOCK_SIZE WC_SHA224_BLOCK_SIZE
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214 | #define SHA224_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
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215 | #define SHA224_PAD_SIZE WC_SHA224_PAD_SIZE
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216 | #endif
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217 |
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218 | /* in bytes */
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219 | enum {
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220 | WC_SHA224 = WC_HASH_TYPE_SHA224,
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221 | WC_SHA224_BLOCK_SIZE = WC_SHA256_BLOCK_SIZE,
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222 | WC_SHA224_DIGEST_SIZE = 28,
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223 | WC_SHA224_PAD_SIZE = WC_SHA256_PAD_SIZE
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224 | };
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225 |
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226 |
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227 | #ifndef WC_SHA224_TYPE_DEFINED
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228 | typedef struct wc_Sha256 wc_Sha224;
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229 | #define WC_SHA224_TYPE_DEFINED
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230 | #endif
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231 | #endif /* HAVE_FIPS */
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232 |
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233 | WOLFSSL_API int wc_InitSha224(wc_Sha224*);
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234 | WOLFSSL_API int wc_InitSha224_ex(wc_Sha224*, void*, int);
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235 | WOLFSSL_API int wc_Sha224Update(wc_Sha224*, const byte*, word32);
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236 | WOLFSSL_API int wc_Sha224Final(wc_Sha224*, byte*);
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237 | WOLFSSL_API void wc_Sha224Free(wc_Sha224*);
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238 |
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239 | WOLFSSL_API int wc_Sha224GetHash(wc_Sha224*, byte*);
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240 | WOLFSSL_API int wc_Sha224Copy(wc_Sha224* src, wc_Sha224* dst);
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241 |
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242 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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243 | WOLFSSL_API int wc_Sha224SetFlags(wc_Sha224* sha224, word32 flags);
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244 | WOLFSSL_API int wc_Sha224GetFlags(wc_Sha224* sha224, word32* flags);
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245 | #endif
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246 |
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247 | #endif /* WOLFSSL_SHA224 */
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248 |
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249 | #ifdef __cplusplus
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250 | } /* extern "C" */
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251 | #endif
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252 |
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253 | #endif /* NO_SHA256 */
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254 | #endif /* WOLF_CRYPT_SHA256_H */
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255 |
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