[453] | 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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