[352] | 1 | /* sha256.h
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| 2 | *
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| 3 | * Copyright (C) 2006-2017 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL.
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| 6 | *
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| 7 | * wolfSSL is free software; you can redistribute it and/or modify
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| 8 | * it under the terms of the GNU General Public License as published by
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| 9 | * the Free Software Foundation; either version 2 of the License, or
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| 10 | * (at your option) any later version.
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| 11 | *
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| 12 | * wolfSSL is distributed in the hope that it will be useful,
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| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of
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| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| 15 | * GNU General Public License for more details.
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| 16 | *
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| 17 | * You should have received a copy of the GNU General Public License
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| 18 | * along with this program; if not, write to the Free Software
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| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
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| 20 | */
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| 21 |
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| 22 |
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| 23 | /* code submitted by raphael.huck@efixo.com */
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| 24 |
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| 25 | #ifndef WOLF_CRYPT_SHA256_H
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| 26 | #define WOLF_CRYPT_SHA256_H
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| 27 |
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| 28 | #include <wolfssl/wolfcrypt/types.h>
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| 29 |
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| 30 | #ifndef NO_SHA256
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| 31 |
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| 32 | #ifdef HAVE_FIPS
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| 33 | #define wc_Sha256 Sha256
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| 34 | #define WC_SHA256 SHA256
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| 35 | #define WC_SHA256_BLOCK_SIZE SHA256_BLOCK_SIZE
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| 36 | #define WC_SHA256_DIGEST_SIZE SHA256_DIGEST_SIZE
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| 37 | #define WC_SHA256_PAD_SIZE SHA256_PAD_SIZE
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| 38 |
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| 39 | #ifdef WOLFSSL_SHA224
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| 40 | #define wc_Sha224 Sha224
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| 41 | #define WC_SHA224 SHA224
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| 42 | #define WC_SHA224_BLOCK_SIZE SHA224_BLOCK_SIZE
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| 43 | #define WC_SHA224_DIGEST_SIZE SHA224_DIGEST_SIZE
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| 44 | #define WC_SHA224_PAD_SIZE SHA224_PAD_SIZE
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| 45 | #endif
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| 46 |
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| 47 | /* for fips @wc_fips */
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| 48 | #include <cyassl/ctaocrypt/sha256.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 |
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| 56 | #ifdef __cplusplus
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| 57 | extern "C" {
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| 58 | #endif
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| 59 |
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| 60 | #ifndef HAVE_FIPS /* avoid redefinition of structs */
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| 61 |
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| 62 | #ifdef WOLFSSL_MICROCHIP_PIC32MZ
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| 63 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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| 64 | #endif
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| 65 | #ifdef WOLFSSL_ASYNC_CRYPT
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| 66 | #include <wolfssl/wolfcrypt/async.h>
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| 67 | #endif
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| 68 |
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| 69 | #ifndef NO_OLD_WC_NAMES
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| 70 | #define Sha256 wc_Sha256
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| 71 | #define SHA256 WC_SHA256
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| 72 | #define SHA256_BLOCK_SIZE WC_SHA256_BLOCK_SIZE
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| 73 | #define SHA256_DIGEST_SIZE WC_SHA256_DIGEST_SIZE
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| 74 | #define SHA256_PAD_SIZE WC_SHA256_PAD_SIZE
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| 75 | #endif
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| 76 |
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| 77 | /* in bytes */
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| 78 | enum {
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| 79 | WC_SHA256 = 2, /* hash type unique */
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| 80 | WC_SHA256_BLOCK_SIZE = 64,
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| 81 | WC_SHA256_DIGEST_SIZE = 32,
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| 82 | WC_SHA256_PAD_SIZE = 56
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| 83 | };
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| 84 |
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| 85 | #ifndef WOLFSSL_TI_HASH
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| 86 |
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| 87 | /* wc_Sha256 digest */
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| 88 | typedef struct wc_Sha256 {
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| 89 | #ifdef FREESCALE_LTC_SHA
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| 90 | ltc_hash_ctx_t ctx;
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| 91 | #else
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| 92 | /* alignment on digest and buffer speeds up ARMv8 crypto operations */
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| 93 | ALIGN16 word32 digest[WC_SHA256_DIGEST_SIZE / sizeof(word32)];
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| 94 | ALIGN16 word32 buffer[WC_SHA256_BLOCK_SIZE / sizeof(word32)];
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| 95 | word32 buffLen; /* in bytes */
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| 96 | word32 loLen; /* length in bytes */
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| 97 | word32 hiLen; /* length in bytes */
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| 98 | void* heap;
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| 99 | #ifdef WOLFSSL_PIC32MZ_HASH
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| 100 | hashUpdCache cache; /* cache for updates */
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| 101 | #endif
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| 102 | #if defined(STM32_HASH) && defined(WOLFSSL_STM32_CUBEMX)
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| 103 | HASH_HandleTypeDef hashHandle;
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| 104 | #endif
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| 105 | #ifdef WOLFSSL_ASYNC_CRYPT
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| 106 | WC_ASYNC_DEV asyncDev;
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| 107 | #endif /* WOLFSSL_ASYNC_CRYPT */
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| 108 | #endif /* FREESCALE_LTC_SHA */
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| 109 | } wc_Sha256;
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| 110 |
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| 111 | #else
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| 112 | #include "wolfssl/wolfcrypt/port/ti/ti-hash.h"
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| 113 | #endif
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| 114 |
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| 115 | #endif /* HAVE_FIPS */
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| 116 |
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| 117 | WOLFSSL_API int wc_InitSha256(wc_Sha256*);
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| 118 | WOLFSSL_API int wc_InitSha256_ex(wc_Sha256*, void*, int);
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| 119 | WOLFSSL_API int wc_Sha256Update(wc_Sha256*, const byte*, word32);
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| 120 | WOLFSSL_API int wc_Sha256Final(wc_Sha256*, byte*);
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| 121 | WOLFSSL_API void wc_Sha256Free(wc_Sha256*);
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| 122 |
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| 123 | WOLFSSL_API int wc_Sha256GetHash(wc_Sha256*, byte*);
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| 124 | WOLFSSL_API int wc_Sha256Copy(wc_Sha256* src, wc_Sha256* dst);
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| 125 |
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| 126 | #ifdef WOLFSSL_PIC32MZ_HASH
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| 127 | WOLFSSL_API void wc_Sha256SizeSet(wc_Sha256*, word32);
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| 128 | #endif
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| 129 |
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| 130 | #ifdef WOLFSSL_SHA224
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| 131 | #ifndef HAVE_FIPS /* avoid redefinition of structs */
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| 132 |
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| 133 | #ifndef NO_OLD_WC_NAMES
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| 134 | #define Sha224 wc_Sha224
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| 135 | #define SHA224 WC_SHA224
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| 136 | #define SHA224_BLOCK_SIZE WC_SHA224_BLOCK_SIZE
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| 137 | #define SHA224_DIGEST_SIZE WC_SHA224_DIGEST_SIZE
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| 138 | #define SHA224_PAD_SIZE WC_SHA224_PAD_SIZE
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| 139 | #endif
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| 140 |
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| 141 | /* in bytes */
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| 142 | enum {
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| 143 | WC_SHA224 = 8, /* hash type unique */
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| 144 | WC_SHA224_BLOCK_SIZE = WC_SHA256_BLOCK_SIZE,
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| 145 | WC_SHA224_DIGEST_SIZE = 28,
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| 146 | WC_SHA224_PAD_SIZE = WC_SHA256_PAD_SIZE
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| 147 | };
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| 148 |
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| 149 | typedef wc_Sha256 wc_Sha224;
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| 150 | #endif /* HAVE_FIPS */
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| 151 |
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| 152 | WOLFSSL_API int wc_InitSha224(wc_Sha224*);
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| 153 | WOLFSSL_API int wc_InitSha224_ex(wc_Sha224*, void*, int);
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| 154 | WOLFSSL_API int wc_Sha224Update(wc_Sha224*, const byte*, word32);
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| 155 | WOLFSSL_API int wc_Sha224Final(wc_Sha224*, byte*);
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| 156 | WOLFSSL_API void wc_Sha224Free(wc_Sha224*);
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| 157 |
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| 158 | WOLFSSL_API int wc_Sha224GetHash(wc_Sha224*, byte*);
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| 159 | WOLFSSL_API int wc_Sha224Copy(wc_Sha224* src, wc_Sha224* dst);
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| 160 |
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| 161 | #endif /* WOLFSSL_SHA224 */
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| 162 |
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| 163 | #ifdef __cplusplus
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| 164 | } /* extern "C" */
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| 165 | #endif
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| 166 |
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| 167 | #endif /* NO_SHA256 */
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| 168 | #endif /* WOLF_CRYPT_SHA256_H */
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| 169 |
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