1 | /* sha.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/sha.h
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24 | */
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25 |
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26 |
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27 | #ifndef WOLF_CRYPT_SHA_H
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28 | #define WOLF_CRYPT_SHA_H
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29 |
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30 | #include <wolfssl/wolfcrypt/types.h>
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31 |
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32 | #ifndef NO_SHA
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33 |
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34 | #if defined(HAVE_FIPS) && \
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35 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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36 | #include <wolfssl/wolfcrypt/fips.h>
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37 | #endif /* HAVE_FIPS_VERSION >= 2 */
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38 |
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39 | #if defined(HAVE_FIPS) && \
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40 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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41 | #define wc_Sha Sha
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42 | #define WC_SHA SHA
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43 | #define WC_SHA_BLOCK_SIZE SHA_BLOCK_SIZE
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44 | #define WC_SHA_DIGEST_SIZE SHA_DIGEST_SIZE
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45 | #define WC_SHA_PAD_SIZE SHA_PAD_SIZE
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46 |
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47 | /* for fips @wc_fips */
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48 | #include <cyassl/ctaocrypt/sha.h>
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49 | #endif
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50 |
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51 | #ifdef FREESCALE_LTC_SHA
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52 | #include "fsl_ltc.h"
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53 | #endif
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54 |
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55 | #ifdef __cplusplus
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56 | extern "C" {
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57 | #endif
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58 |
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59 | /* avoid redefinition of structs */
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60 | #if !defined(HAVE_FIPS) || \
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61 | (defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2))
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62 |
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63 | #ifdef WOLFSSL_MICROCHIP_PIC32MZ
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64 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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65 | #endif
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66 | #ifdef STM32_HASH
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67 | #include <wolfssl/wolfcrypt/port/st/stm32.h>
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68 | #endif
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69 | #ifdef WOLFSSL_ASYNC_CRYPT
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70 | #include <wolfssl/wolfcrypt/async.h>
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71 | #endif
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72 | #ifdef WOLFSSL_ESP32WROOM32_CRYPT
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73 | #include <wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h>
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74 | #endif
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75 | #ifdef WOLFSSL_IMXRT_DCP
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76 | #include <wolfssl/wolfcrypt/port/nxp/dcp_port.h>
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77 | #endif
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78 | #if defined(WOLFSSL_SILABS_SE_ACCEL)
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79 | #include <wolfssl/wolfcrypt/port/silabs/silabs_hash.h>
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80 | #endif
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81 |
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82 | #if !defined(NO_OLD_SHA_NAMES)
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83 | #define SHA WC_SHA
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84 | #endif
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85 |
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86 | #ifndef NO_OLD_WC_NAMES
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87 | #define Sha wc_Sha
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88 | #define SHA_BLOCK_SIZE WC_SHA_BLOCK_SIZE
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89 | #define SHA_DIGEST_SIZE WC_SHA_DIGEST_SIZE
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90 | #define SHA_PAD_SIZE WC_SHA_PAD_SIZE
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91 | #endif
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92 |
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93 | /* in bytes */
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94 | enum {
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95 | WC_SHA = WC_HASH_TYPE_SHA,
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96 | WC_SHA_BLOCK_SIZE = 64,
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97 | WC_SHA_DIGEST_SIZE = 20,
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98 | WC_SHA_PAD_SIZE = 56
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99 | };
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100 |
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101 |
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102 | #if defined(WOLFSSL_TI_HASH)
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103 | #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
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104 |
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105 | #elif defined(WOLFSSL_IMX6_CAAM)
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106 | #include "wolfssl/wolfcrypt/port/caam/wolfcaam_sha.h"
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107 | #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
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108 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
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109 | #include "wolfssl/wolfcrypt/port/Renesas/renesas-tsip-crypt.h"
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110 | #elif defined(WOLFSSL_PSOC6_CRYPTO)
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111 | #include "wolfssl/wolfcrypt/port/cypress/psoc6_crypto.h"
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112 | #else
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113 |
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114 | /* Sha digest */
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115 | struct wc_Sha {
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116 | #ifdef FREESCALE_LTC_SHA
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117 | ltc_hash_ctx_t ctx;
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118 | #elif defined(STM32_HASH)
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119 | STM32_HASH_Context stmCtx;
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120 | #elif defined(WOLFSSL_SILABS_SE_ACCEL)
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121 | wc_silabs_sha_t silabsCtx;
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122 | #else
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123 | word32 buffLen; /* in bytes */
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124 | word32 loLen; /* length in bytes */
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125 | word32 hiLen; /* length in bytes */
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126 | word32 buffer[WC_SHA_BLOCK_SIZE / sizeof(word32)];
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127 | #ifdef WOLFSSL_PIC32MZ_HASH
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128 | word32 digest[PIC32_DIGEST_SIZE / sizeof(word32)];
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129 | #else
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130 | word32 digest[WC_SHA_DIGEST_SIZE / sizeof(word32)];
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131 | #endif
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132 | void* heap;
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133 | #ifdef WOLFSSL_PIC32MZ_HASH
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134 | hashUpdCache cache; /* cache for updates */
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135 | #endif
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136 | #ifdef WOLFSSL_ASYNC_CRYPT
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137 | WC_ASYNC_DEV asyncDev;
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138 | #endif /* WOLFSSL_ASYNC_CRYPT */
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139 | #ifdef WOLF_CRYPTO_CB
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140 | int devId;
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141 | void* devCtx; /* generic crypto callback context */
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142 | #endif
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143 | #endif
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144 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
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145 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
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146 | WC_ESP32SHA ctx;
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147 | #endif
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148 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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149 | word32 flags; /* enum wc_HashFlags in hash.h */
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150 | #endif
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151 | };
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152 |
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153 | #ifndef WC_SHA_TYPE_DEFINED
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154 | typedef struct wc_Sha wc_Sha;
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155 | #define WC_SHA_TYPE_DEFINED
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156 | #endif
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157 |
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158 | #endif /* WOLFSSL_TI_HASH */
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159 |
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160 |
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161 | #endif /* HAVE_FIPS */
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162 |
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163 | WOLFSSL_API int wc_InitSha(wc_Sha*);
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164 | WOLFSSL_API int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId);
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165 | WOLFSSL_API int wc_ShaUpdate(wc_Sha*, const byte*, word32);
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166 | WOLFSSL_API int wc_ShaFinalRaw(wc_Sha*, byte*);
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167 | WOLFSSL_API int wc_ShaFinal(wc_Sha*, byte*);
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168 | WOLFSSL_API void wc_ShaFree(wc_Sha*);
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169 |
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170 | WOLFSSL_API int wc_ShaGetHash(wc_Sha*, byte*);
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171 | WOLFSSL_API int wc_ShaCopy(wc_Sha*, wc_Sha*);
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172 |
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173 | #ifdef WOLFSSL_PIC32MZ_HASH
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174 | WOLFSSL_API void wc_ShaSizeSet(wc_Sha* sha, word32 len);
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175 | #endif
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176 |
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177 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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178 | WOLFSSL_API int wc_ShaSetFlags(wc_Sha* sha, word32 flags);
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179 | WOLFSSL_API int wc_ShaGetFlags(wc_Sha* sha, word32* flags);
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180 | #endif
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181 |
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182 | #ifdef __cplusplus
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183 | } /* extern "C" */
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184 | #endif
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185 |
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186 | #endif /* NO_SHA */
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187 | #endif /* WOLF_CRYPT_SHA_H */
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188 |
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