[453] | 1 | /* sha.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 |
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| 23 | #ifdef HAVE_CONFIG_H
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| 24 | #include <config.h>
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| 25 | #endif
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| 26 |
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| 27 | #include <wolfssl/wolfcrypt/settings.h>
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| 28 |
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| 29 | #if !defined(NO_SHA)
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| 30 |
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| 31 | #if defined(HAVE_FIPS) && \
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| 32 | defined(HAVE_FIPS_VERSION) && (HAVE_FIPS_VERSION >= 2)
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| 33 |
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| 34 | /* set NO_WRAPPERS before headers, use direct internal f()s not wrappers */
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| 35 | #define FIPS_NO_WRAPPERS
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| 36 |
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| 37 | #ifdef USE_WINDOWS_API
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| 38 | #pragma code_seg(".fipsA$j")
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| 39 | #pragma const_seg(".fipsB$j")
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| 40 | #endif
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| 41 | #endif
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| 42 |
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| 43 | #include <wolfssl/wolfcrypt/sha.h>
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| 44 | #include <wolfssl/wolfcrypt/error-crypt.h>
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| 45 | #include <wolfssl/wolfcrypt/hash.h>
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| 46 |
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| 47 | #ifdef WOLF_CRYPTO_CB
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| 48 | #include <wolfssl/wolfcrypt/cryptocb.h>
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| 49 | #endif
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| 50 |
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| 51 | /* fips wrapper calls, user can call direct */
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| 52 | #if defined(HAVE_FIPS) && \
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| 53 | (!defined(HAVE_FIPS_VERSION) || (HAVE_FIPS_VERSION < 2))
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| 54 |
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| 55 | int wc_InitSha(wc_Sha* sha)
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| 56 | {
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| 57 | if (sha == NULL) {
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| 58 | return BAD_FUNC_ARG;
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| 59 | }
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| 60 | return InitSha_fips(sha);
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| 61 | }
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| 62 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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| 63 | {
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| 64 | (void)heap;
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| 65 | (void)devId;
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| 66 | if (sha == NULL) {
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| 67 | return BAD_FUNC_ARG;
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| 68 | }
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| 69 | return InitSha_fips(sha);
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| 70 | }
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| 71 |
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| 72 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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| 73 | {
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| 74 | if (sha == NULL || (data == NULL && len > 0)) {
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| 75 | return BAD_FUNC_ARG;
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| 76 | }
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| 77 | return ShaUpdate_fips(sha, data, len);
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| 78 | }
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| 79 |
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| 80 | int wc_ShaFinal(wc_Sha* sha, byte* out)
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| 81 | {
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| 82 | if (sha == NULL || out == NULL) {
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| 83 | return BAD_FUNC_ARG;
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| 84 | }
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| 85 | return ShaFinal_fips(sha,out);
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| 86 | }
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| 87 | void wc_ShaFree(wc_Sha* sha)
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| 88 | {
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| 89 | (void)sha;
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| 90 | /* Not supported in FIPS */
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| 91 | }
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| 92 |
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| 93 | #else /* else build without fips, or for FIPS v2 */
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| 94 |
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| 95 |
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| 96 | #if defined(WOLFSSL_TI_HASH)
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| 97 | /* #include <wolfcrypt/src/port/ti/ti-hash.c> included by wc_port.c */
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| 98 |
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| 99 | #else
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| 100 |
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| 101 | #include <wolfssl/wolfcrypt/logging.h>
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| 102 | #ifdef NO_INLINE
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| 103 | #include <wolfssl/wolfcrypt/misc.h>
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| 104 | #else
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| 105 | #define WOLFSSL_MISC_INCLUDED
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| 106 | #include <wolfcrypt/src/misc.c>
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| 107 | #endif
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| 108 |
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| 109 |
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| 110 | /* Hardware Acceleration */
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| 111 | #if defined(WOLFSSL_PIC32MZ_HASH)
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| 112 | #include <wolfssl/wolfcrypt/port/pic32/pic32mz-crypt.h>
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| 113 |
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| 114 | #elif defined(STM32_HASH)
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| 115 |
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| 116 | /* Supports CubeMX HAL or Standard Peripheral Library */
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| 117 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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| 118 | {
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| 119 | if (sha == NULL) {
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| 120 | return BAD_FUNC_ARG;
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| 121 | }
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| 122 |
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| 123 | (void)devId;
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| 124 | (void)heap;
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| 125 |
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| 126 | wc_Stm32_Hash_Init(&sha->stmCtx);
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| 127 |
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| 128 | return 0;
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| 129 | }
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| 130 |
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| 131 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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| 132 | {
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| 133 | int ret;
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| 134 |
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| 135 | if (sha == NULL || (data == NULL && len > 0)) {
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| 136 | return BAD_FUNC_ARG;
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| 137 | }
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| 138 |
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| 139 | ret = wolfSSL_CryptHwMutexLock();
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| 140 | if (ret == 0) {
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| 141 | ret = wc_Stm32_Hash_Update(&sha->stmCtx, HASH_AlgoSelection_SHA1,
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| 142 | data, len);
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| 143 | wolfSSL_CryptHwMutexUnLock();
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| 144 | }
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| 145 | return ret;
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| 146 | }
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| 147 |
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| 148 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
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| 149 | {
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| 150 | int ret;
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| 151 |
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| 152 | if (sha == NULL || hash == NULL) {
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| 153 | return BAD_FUNC_ARG;
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| 154 | }
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| 155 |
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| 156 | ret = wolfSSL_CryptHwMutexLock();
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| 157 | if (ret == 0) {
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| 158 | ret = wc_Stm32_Hash_Final(&sha->stmCtx, HASH_AlgoSelection_SHA1,
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| 159 | hash, WC_SHA_DIGEST_SIZE);
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| 160 | wolfSSL_CryptHwMutexUnLock();
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| 161 | }
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| 162 |
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| 163 | (void)wc_InitSha(sha); /* reset state */
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| 164 |
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| 165 | return ret;
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| 166 | }
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| 167 |
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| 168 |
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| 169 | #elif defined(FREESCALE_LTC_SHA)
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| 170 |
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| 171 | #include "fsl_ltc.h"
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| 172 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
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| 173 | {
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| 174 | if (sha == NULL) {
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| 175 | return BAD_FUNC_ARG;
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| 176 | }
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| 177 |
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| 178 | (void)devId;
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| 179 | (void)heap;
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| 180 |
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| 181 | LTC_HASH_Init(LTC_BASE, &sha->ctx, kLTC_Sha1, NULL, 0);
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| 182 | return 0;
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| 183 | }
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| 184 |
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| 185 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
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| 186 | {
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| 187 | LTC_HASH_Update(&sha->ctx, data, len);
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| 188 | return 0;
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| 189 | }
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| 190 |
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| 191 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
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| 192 | {
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| 193 | uint32_t hashlen = WC_SHA_DIGEST_SIZE;
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| 194 | LTC_HASH_Finish(&sha->ctx, hash, &hashlen);
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| 195 | return wc_InitSha(sha); /* reset state */
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| 196 | }
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| 197 |
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| 198 |
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| 199 | #elif defined(FREESCALE_MMCAU_SHA)
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| 200 |
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| 201 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 202 | #include "cau_api.h"
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| 203 | #else
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| 204 | #include "fsl_mmcau.h"
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| 205 | #endif
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| 206 |
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| 207 | #define USE_SHA_SOFTWARE_IMPL /* Only for API's, actual transform is here */
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| 208 |
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| 209 | #define XTRANSFORM(S,B) Transform((S),(B))
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| 210 | #define XTRANSFORM_LEN(S,B,L) Transform_Len((S),(B),(L))
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| 211 |
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| 212 | #ifndef WC_HASH_DATA_ALIGNMENT
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| 213 | /* these hardware API's require 4 byte (word32) alignment */
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| 214 | #define WC_HASH_DATA_ALIGNMENT 4
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| 215 | #endif
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| 216 |
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| 217 | static int InitSha(wc_Sha* sha)
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| 218 | {
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| 219 | int ret = 0;
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| 220 | ret = wolfSSL_CryptHwMutexLock();
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| 221 | if (ret != 0) {
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| 222 | return ret;
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| 223 | }
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| 224 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 225 | cau_sha1_initialize_output(sha->digest);
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| 226 | #else
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| 227 | MMCAU_SHA1_InitializeOutput((uint32_t*)sha->digest);
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| 228 | #endif
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| 229 | wolfSSL_CryptHwMutexUnLock();
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| 230 |
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| 231 | sha->buffLen = 0;
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| 232 | sha->loLen = 0;
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| 233 | sha->hiLen = 0;
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| 234 |
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| 235 | return ret;
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| 236 | }
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| 237 |
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| 238 | static int Transform(wc_Sha* sha, const byte* data)
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| 239 | {
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| 240 | int ret = wolfSSL_CryptHwMutexLock();
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| 241 | if (ret == 0) {
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| 242 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 243 | cau_sha1_hash_n((byte*)data, 1, sha->digest);
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| 244 | #else
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| 245 | MMCAU_SHA1_HashN((byte*)data, 1, (uint32_t*)sha->digest);
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| 246 | #endif
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| 247 | wolfSSL_CryptHwMutexUnLock();
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| 248 | }
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| 249 | return ret;
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| 250 | }
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| 251 |
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| 252 | static int Transform_Len(wc_Sha* sha, const byte* data, word32 len)
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| 253 | {
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| 254 | int ret = wolfSSL_CryptHwMutexLock();
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| 255 | if (ret == 0) {
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| 256 | #if defined(WC_HASH_DATA_ALIGNMENT) && WC_HASH_DATA_ALIGNMENT > 0
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| 257 | if ((size_t)data % WC_HASH_DATA_ALIGNMENT) {
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| 258 | /* data pointer is NOT aligned,
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| 259 | * so copy and perform one block at a time */
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| 260 | byte* local = (byte*)sha->buffer;
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| 261 | while (len >= WC_SHA_BLOCK_SIZE) {
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| 262 | XMEMCPY(local, data, WC_SHA_BLOCK_SIZE);
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| 263 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 264 | cau_sha1_hash_n(local, 1, sha->digest);
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| 265 | #else
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| 266 | MMCAU_SHA1_HashN(local, 1, sha->digest);
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| 267 | #endif
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| 268 | data += WC_SHA_BLOCK_SIZE;
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| 269 | len -= WC_SHA_BLOCK_SIZE;
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| 270 | }
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| 271 | }
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| 272 | else
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| 273 | #endif
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| 274 | {
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| 275 | #ifdef FREESCALE_MMCAU_CLASSIC_SHA
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| 276 | cau_sha1_hash_n((byte*)data, len/WC_SHA_BLOCK_SIZE, sha->digest);
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| 277 | #else
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| 278 | MMCAU_SHA1_HashN((byte*)data, len/WC_SHA_BLOCK_SIZE,
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| 279 | (uint32_t*)sha->digest);
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| 280 | #endif
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| 281 | }
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| 282 | wolfSSL_CryptHwMutexUnLock();
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| 283 | }
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| 284 | return ret;
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| 285 | }
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| 286 |
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| 287 | #elif defined(WOLFSSL_IMX6_CAAM) && !defined(NO_IMX6_CAAM_HASH)
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| 288 | /* wolfcrypt/src/port/caam/caam_sha.c */
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| 289 |
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| 290 | #elif defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
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| 291 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
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| 292 |
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| 293 | #include "wolfssl/wolfcrypt/port/Espressif/esp32-crypt.h"
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| 294 |
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| 295 | #define USE_SHA_SOFTWARE_IMPL
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| 296 |
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| 297 | static int InitSha(wc_Sha* sha)
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| 298 | {
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| 299 | int ret = 0;
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| 300 |
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| 301 | sha->digest[0] = 0x67452301L;
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| 302 | sha->digest[1] = 0xEFCDAB89L;
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| 303 | sha->digest[2] = 0x98BADCFEL;
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| 304 | sha->digest[3] = 0x10325476L;
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| 305 | sha->digest[4] = 0xC3D2E1F0L;
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| 306 |
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| 307 | sha->buffLen = 0;
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| 308 | sha->loLen = 0;
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| 309 | sha->hiLen = 0;
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| 310 |
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| 311 | /* always start firstblock = 1 when using hw engine */
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| 312 | sha->ctx.isfirstblock = 1;
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| 313 | sha->ctx.sha_type = SHA1;
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| 314 | if(sha->ctx.mode == ESP32_SHA_HW){
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| 315 | /* release hw engine */
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| 316 | esp_sha_hw_unlock();
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| 317 | }
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| 318 | /* always set mode as INIT
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| 319 | * whether using HW or SW is determined at first call of update()
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| 320 | */
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| 321 | sha->ctx.mode = ESP32_SHA_INIT;
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| 322 |
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| 323 | return ret;
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| 324 | }
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| 325 |
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| 326 | #elif defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
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| 327 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
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| 328 |
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| 329 | /* implemented in wolfcrypt/src/port/Renesas/renesas_tsip_sha.c */
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| 330 |
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| 331 | #else
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| 332 | /* Software implementation */
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| 333 | #define USE_SHA_SOFTWARE_IMPL
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| 334 |
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| 335 | static int InitSha(wc_Sha* sha)
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| 336 | {
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| 337 | int ret = 0;
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| 338 |
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| 339 | sha->digest[0] = 0x67452301L;
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| 340 | sha->digest[1] = 0xEFCDAB89L;
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| 341 | sha->digest[2] = 0x98BADCFEL;
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| 342 | sha->digest[3] = 0x10325476L;
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| 343 | sha->digest[4] = 0xC3D2E1F0L;
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| 344 |
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| 345 | sha->buffLen = 0;
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| 346 | sha->loLen = 0;
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| 347 | sha->hiLen = 0;
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| 348 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
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| 349 | sha->flags = 0;
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| 350 | #endif
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| 351 |
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| 352 | return ret;
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| 353 | }
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| 354 | #endif /* End Hardware Acceleration */
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| 355 |
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| 356 | /* Software implementation */
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| 357 | #ifdef USE_SHA_SOFTWARE_IMPL
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| 358 |
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| 359 | static WC_INLINE void AddLength(wc_Sha* sha, word32 len)
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| 360 | {
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| 361 | word32 tmp = sha->loLen;
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| 362 | if ((sha->loLen += len) < tmp)
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| 363 | sha->hiLen++; /* carry low to high */
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| 364 | }
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| 365 |
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| 366 | /* Check if custom wc_Sha transform is used */
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| 367 | #ifndef XTRANSFORM
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| 368 | #define XTRANSFORM(S,B) Transform((S),(B))
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| 369 |
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| 370 | #define blk0(i) (W[i] = *((word32*)&data[i*sizeof(word32)]))
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| 371 | #define blk1(i) (W[(i)&15] = \
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| 372 | rotlFixed(W[((i)+13)&15]^W[((i)+8)&15]^W[((i)+2)&15]^W[(i)&15],1))
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| 373 |
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| 374 | #define f1(x,y,z) ((z)^((x) &((y)^(z))))
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| 375 | #define f2(x,y,z) ((x)^(y)^(z))
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| 376 | #define f3(x,y,z) (((x)&(y))|((z)&((x)|(y))))
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| 377 | #define f4(x,y,z) ((x)^(y)^(z))
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| 378 |
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| 379 | #ifdef WOLFSSL_NUCLEUS_1_2
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| 380 | /* nucleus.h also defines R1-R4 */
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| 381 | #undef R1
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| 382 | #undef R2
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| 383 | #undef R3
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| 384 | #undef R4
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| 385 | #endif
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| 386 |
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| 387 | /* (R0+R1), R2, R3, R4 are the different operations used in SHA1 */
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| 388 | #define R0(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk0((i)) + 0x5A827999+ \
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| 389 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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| 390 | #define R1(v,w,x,y,z,i) (z)+= f1((w),(x),(y)) + blk1((i)) + 0x5A827999+ \
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| 391 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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| 392 | #define R2(v,w,x,y,z,i) (z)+= f2((w),(x),(y)) + blk1((i)) + 0x6ED9EBA1+ \
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| 393 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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| 394 | #define R3(v,w,x,y,z,i) (z)+= f3((w),(x),(y)) + blk1((i)) + 0x8F1BBCDC+ \
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| 395 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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| 396 | #define R4(v,w,x,y,z,i) (z)+= f4((w),(x),(y)) + blk1((i)) + 0xCA62C1D6+ \
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| 397 | rotlFixed((v),5); (w) = rotlFixed((w),30);
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| 398 |
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| 399 | static int Transform(wc_Sha* sha, const byte* data)
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| 400 | {
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| 401 | word32 W[WC_SHA_BLOCK_SIZE / sizeof(word32)];
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| 402 |
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| 403 | /* Copy context->state[] to working vars */
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| 404 | word32 a = sha->digest[0];
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| 405 | word32 b = sha->digest[1];
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| 406 | word32 c = sha->digest[2];
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| 407 | word32 d = sha->digest[3];
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| 408 | word32 e = sha->digest[4];
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| 409 |
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| 410 | #ifdef USE_SLOW_SHA
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| 411 | word32 t, i;
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| 412 |
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| 413 | for (i = 0; i < 16; i++) {
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| 414 | R0(a, b, c, d, e, i);
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| 415 | t = e; e = d; d = c; c = b; b = a; a = t;
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| 416 | }
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| 417 |
|
---|
| 418 | for (; i < 20; i++) {
|
---|
| 419 | R1(a, b, c, d, e, i);
|
---|
| 420 | t = e; e = d; d = c; c = b; b = a; a = t;
|
---|
| 421 | }
|
---|
| 422 |
|
---|
| 423 | for (; i < 40; i++) {
|
---|
| 424 | R2(a, b, c, d, e, i);
|
---|
| 425 | t = e; e = d; d = c; c = b; b = a; a = t;
|
---|
| 426 | }
|
---|
| 427 |
|
---|
| 428 | for (; i < 60; i++) {
|
---|
| 429 | R3(a, b, c, d, e, i);
|
---|
| 430 | t = e; e = d; d = c; c = b; b = a; a = t;
|
---|
| 431 | }
|
---|
| 432 |
|
---|
| 433 | for (; i < 80; i++) {
|
---|
| 434 | R4(a, b, c, d, e, i);
|
---|
| 435 | t = e; e = d; d = c; c = b; b = a; a = t;
|
---|
| 436 | }
|
---|
| 437 | #else
|
---|
| 438 | /* nearly 1 K bigger in code size but 25% faster */
|
---|
| 439 | /* 4 rounds of 20 operations each. Loop unrolled. */
|
---|
| 440 | R0(a,b,c,d,e, 0); R0(e,a,b,c,d, 1); R0(d,e,a,b,c, 2); R0(c,d,e,a,b, 3);
|
---|
| 441 | R0(b,c,d,e,a, 4); R0(a,b,c,d,e, 5); R0(e,a,b,c,d, 6); R0(d,e,a,b,c, 7);
|
---|
| 442 | R0(c,d,e,a,b, 8); R0(b,c,d,e,a, 9); R0(a,b,c,d,e,10); R0(e,a,b,c,d,11);
|
---|
| 443 | R0(d,e,a,b,c,12); R0(c,d,e,a,b,13); R0(b,c,d,e,a,14); R0(a,b,c,d,e,15);
|
---|
| 444 |
|
---|
| 445 | R1(e,a,b,c,d,16); R1(d,e,a,b,c,17); R1(c,d,e,a,b,18); R1(b,c,d,e,a,19);
|
---|
| 446 |
|
---|
| 447 | R2(a,b,c,d,e,20); R2(e,a,b,c,d,21); R2(d,e,a,b,c,22); R2(c,d,e,a,b,23);
|
---|
| 448 | R2(b,c,d,e,a,24); R2(a,b,c,d,e,25); R2(e,a,b,c,d,26); R2(d,e,a,b,c,27);
|
---|
| 449 | R2(c,d,e,a,b,28); R2(b,c,d,e,a,29); R2(a,b,c,d,e,30); R2(e,a,b,c,d,31);
|
---|
| 450 | R2(d,e,a,b,c,32); R2(c,d,e,a,b,33); R2(b,c,d,e,a,34); R2(a,b,c,d,e,35);
|
---|
| 451 | R2(e,a,b,c,d,36); R2(d,e,a,b,c,37); R2(c,d,e,a,b,38); R2(b,c,d,e,a,39);
|
---|
| 452 |
|
---|
| 453 | R3(a,b,c,d,e,40); R3(e,a,b,c,d,41); R3(d,e,a,b,c,42); R3(c,d,e,a,b,43);
|
---|
| 454 | R3(b,c,d,e,a,44); R3(a,b,c,d,e,45); R3(e,a,b,c,d,46); R3(d,e,a,b,c,47);
|
---|
| 455 | R3(c,d,e,a,b,48); R3(b,c,d,e,a,49); R3(a,b,c,d,e,50); R3(e,a,b,c,d,51);
|
---|
| 456 | R3(d,e,a,b,c,52); R3(c,d,e,a,b,53); R3(b,c,d,e,a,54); R3(a,b,c,d,e,55);
|
---|
| 457 | R3(e,a,b,c,d,56); R3(d,e,a,b,c,57); R3(c,d,e,a,b,58); R3(b,c,d,e,a,59);
|
---|
| 458 |
|
---|
| 459 | R4(a,b,c,d,e,60); R4(e,a,b,c,d,61); R4(d,e,a,b,c,62); R4(c,d,e,a,b,63);
|
---|
| 460 | R4(b,c,d,e,a,64); R4(a,b,c,d,e,65); R4(e,a,b,c,d,66); R4(d,e,a,b,c,67);
|
---|
| 461 | R4(c,d,e,a,b,68); R4(b,c,d,e,a,69); R4(a,b,c,d,e,70); R4(e,a,b,c,d,71);
|
---|
| 462 | R4(d,e,a,b,c,72); R4(c,d,e,a,b,73); R4(b,c,d,e,a,74); R4(a,b,c,d,e,75);
|
---|
| 463 | R4(e,a,b,c,d,76); R4(d,e,a,b,c,77); R4(c,d,e,a,b,78); R4(b,c,d,e,a,79);
|
---|
| 464 | #endif
|
---|
| 465 |
|
---|
| 466 | /* Add the working vars back into digest state[] */
|
---|
| 467 | sha->digest[0] += a;
|
---|
| 468 | sha->digest[1] += b;
|
---|
| 469 | sha->digest[2] += c;
|
---|
| 470 | sha->digest[3] += d;
|
---|
| 471 | sha->digest[4] += e;
|
---|
| 472 |
|
---|
| 473 | (void)data; /* Not used */
|
---|
| 474 |
|
---|
| 475 | return 0;
|
---|
| 476 | }
|
---|
| 477 | #endif /* !USE_CUSTOM_SHA_TRANSFORM */
|
---|
| 478 |
|
---|
| 479 |
|
---|
| 480 | int wc_InitSha_ex(wc_Sha* sha, void* heap, int devId)
|
---|
| 481 | {
|
---|
| 482 | int ret = 0;
|
---|
| 483 |
|
---|
| 484 | if (sha == NULL)
|
---|
| 485 | return BAD_FUNC_ARG;
|
---|
| 486 |
|
---|
| 487 | sha->heap = heap;
|
---|
| 488 | #ifdef WOLF_CRYPTO_CB
|
---|
| 489 | sha->devId = devId;
|
---|
| 490 | #endif
|
---|
| 491 |
|
---|
| 492 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 493 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 494 | sha->ctx.mode = ESP32_SHA_INIT;
|
---|
| 495 | sha->ctx.isfirstblock = 1;
|
---|
| 496 | #endif
|
---|
| 497 | ret = InitSha(sha);
|
---|
| 498 | if (ret != 0)
|
---|
| 499 | return ret;
|
---|
| 500 |
|
---|
| 501 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
| 502 | ret = wolfAsync_DevCtxInit(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA,
|
---|
| 503 | sha->heap, devId);
|
---|
| 504 | #else
|
---|
| 505 | (void)devId;
|
---|
| 506 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 507 |
|
---|
| 508 | return ret;
|
---|
| 509 | }
|
---|
| 510 |
|
---|
| 511 | /* do block size increments/updates */
|
---|
| 512 | int wc_ShaUpdate(wc_Sha* sha, const byte* data, word32 len)
|
---|
| 513 | {
|
---|
| 514 | int ret = 0;
|
---|
| 515 | word32 blocksLen;
|
---|
| 516 | byte* local;
|
---|
| 517 |
|
---|
| 518 | if (sha == NULL || (data == NULL && len > 0)) {
|
---|
| 519 | return BAD_FUNC_ARG;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 | #ifdef WOLF_CRYPTO_CB
|
---|
| 523 | if (sha->devId != INVALID_DEVID) {
|
---|
| 524 | ret = wc_CryptoCb_ShaHash(sha, data, len, NULL);
|
---|
| 525 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
| 526 | return ret;
|
---|
| 527 | ret = 0; /* reset ret */
|
---|
| 528 | /* fall-through when unavailable */
|
---|
| 529 | }
|
---|
| 530 | #endif
|
---|
| 531 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
| 532 | if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
|
---|
| 533 | #if defined(HAVE_INTEL_QA)
|
---|
| 534 | return IntelQaSymSha(&sha->asyncDev, NULL, data, len);
|
---|
| 535 | #endif
|
---|
| 536 | }
|
---|
| 537 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 538 |
|
---|
| 539 | /* check that internal buffLen is valid */
|
---|
| 540 | if (sha->buffLen >= WC_SHA_BLOCK_SIZE)
|
---|
| 541 | return BUFFER_E;
|
---|
| 542 |
|
---|
| 543 | if (data == NULL && len == 0) {
|
---|
| 544 | /* valid, but do nothing */
|
---|
| 545 | return 0;
|
---|
| 546 | }
|
---|
| 547 |
|
---|
| 548 | /* add length for final */
|
---|
| 549 | AddLength(sha, len);
|
---|
| 550 |
|
---|
| 551 | local = (byte*)sha->buffer;
|
---|
| 552 |
|
---|
| 553 | /* process any remainder from previous operation */
|
---|
| 554 | if (sha->buffLen > 0) {
|
---|
| 555 | blocksLen = min(len, WC_SHA_BLOCK_SIZE - sha->buffLen);
|
---|
| 556 | XMEMCPY(&local[sha->buffLen], data, blocksLen);
|
---|
| 557 |
|
---|
| 558 | sha->buffLen += blocksLen;
|
---|
| 559 | data += blocksLen;
|
---|
| 560 | len -= blocksLen;
|
---|
| 561 |
|
---|
| 562 | if (sha->buffLen == WC_SHA_BLOCK_SIZE) {
|
---|
| 563 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 564 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
| 565 | #endif
|
---|
| 566 |
|
---|
| 567 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 568 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 569 | if (sha->ctx.mode == ESP32_SHA_INIT) {
|
---|
| 570 | esp_sha_try_hw_lock(&sha->ctx);
|
---|
| 571 | }
|
---|
| 572 | if (sha->ctx.mode == ESP32_SHA_SW) {
|
---|
| 573 | ret = XTRANSFORM(sha, (const byte*)local);
|
---|
| 574 | } else {
|
---|
| 575 | esp_sha_process(sha, (const byte*)local);
|
---|
| 576 | }
|
---|
| 577 | #else
|
---|
| 578 | ret = XTRANSFORM(sha, (const byte*)local);
|
---|
| 579 | #endif
|
---|
| 580 | if (ret != 0)
|
---|
| 581 | return ret;
|
---|
| 582 |
|
---|
| 583 | sha->buffLen = 0;
|
---|
| 584 | }
|
---|
| 585 | }
|
---|
| 586 |
|
---|
| 587 | /* process blocks */
|
---|
| 588 | #ifdef XTRANSFORM_LEN
|
---|
| 589 | /* get number of blocks */
|
---|
| 590 | /* 64-1 = 0x3F (~ Inverted = 0xFFFFFFC0) */
|
---|
| 591 | /* len (masked by 0xFFFFFFC0) returns block aligned length */
|
---|
| 592 | blocksLen = len & ~(WC_SHA_BLOCK_SIZE-1);
|
---|
| 593 | if (blocksLen > 0) {
|
---|
| 594 | /* Byte reversal performed in function if required. */
|
---|
| 595 | XTRANSFORM_LEN(sha, data, blocksLen);
|
---|
| 596 | data += blocksLen;
|
---|
| 597 | len -= blocksLen;
|
---|
| 598 | }
|
---|
| 599 | #else
|
---|
| 600 | while (len >= WC_SHA_BLOCK_SIZE) {
|
---|
| 601 | word32* local32 = sha->buffer;
|
---|
| 602 | /* optimization to avoid memcpy if data pointer is properly aligned */
|
---|
| 603 | /* Little Endian requires byte swap, so can't use data directly */
|
---|
| 604 | #if defined(WC_HASH_DATA_ALIGNMENT) && !defined(LITTLE_ENDIAN_ORDER)
|
---|
| 605 | if (((size_t)data % WC_HASH_DATA_ALIGNMENT) == 0) {
|
---|
| 606 | local32 = (word32*)data;
|
---|
| 607 | }
|
---|
| 608 | else
|
---|
| 609 | #endif
|
---|
| 610 | {
|
---|
| 611 | XMEMCPY(local32, data, WC_SHA_BLOCK_SIZE);
|
---|
| 612 | }
|
---|
| 613 |
|
---|
| 614 | data += WC_SHA_BLOCK_SIZE;
|
---|
| 615 | len -= WC_SHA_BLOCK_SIZE;
|
---|
| 616 |
|
---|
| 617 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 618 | ByteReverseWords(local32, local32, WC_SHA_BLOCK_SIZE);
|
---|
| 619 | #endif
|
---|
| 620 |
|
---|
| 621 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 622 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 623 | if (sha->ctx.mode == ESP32_SHA_INIT){
|
---|
| 624 | esp_sha_try_hw_lock(&sha->ctx);
|
---|
| 625 | }
|
---|
| 626 | if (sha->ctx.mode == ESP32_SHA_SW){
|
---|
| 627 | ret = XTRANSFORM(sha, (const byte*)local32);
|
---|
| 628 | } else {
|
---|
| 629 | esp_sha_process(sha, (const byte*)local32);
|
---|
| 630 | }
|
---|
| 631 | #else
|
---|
| 632 | ret = XTRANSFORM(sha, (const byte*)local32);
|
---|
| 633 | #endif
|
---|
| 634 | }
|
---|
| 635 | #endif /* XTRANSFORM_LEN */
|
---|
| 636 |
|
---|
| 637 | /* save remainder */
|
---|
| 638 | if (len > 0) {
|
---|
| 639 | XMEMCPY(local, data, len);
|
---|
| 640 | sha->buffLen = len;
|
---|
| 641 | }
|
---|
| 642 |
|
---|
| 643 | return ret;
|
---|
| 644 | }
|
---|
| 645 |
|
---|
| 646 | int wc_ShaFinalRaw(wc_Sha* sha, byte* hash)
|
---|
| 647 | {
|
---|
| 648 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
| 649 | word32 digest[WC_SHA_DIGEST_SIZE / sizeof(word32)];
|
---|
| 650 | #endif
|
---|
| 651 |
|
---|
| 652 | if (sha == NULL || hash == NULL) {
|
---|
| 653 | return BAD_FUNC_ARG;
|
---|
| 654 | }
|
---|
| 655 |
|
---|
| 656 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
| 657 | ByteReverseWords((word32*)digest, (word32*)sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
| 658 | XMEMCPY(hash, digest, WC_SHA_DIGEST_SIZE);
|
---|
| 659 | #else
|
---|
| 660 | XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
| 661 | #endif
|
---|
| 662 |
|
---|
| 663 | return 0;
|
---|
| 664 | }
|
---|
| 665 |
|
---|
| 666 | int wc_ShaFinal(wc_Sha* sha, byte* hash)
|
---|
| 667 | {
|
---|
| 668 | int ret;
|
---|
| 669 | byte* local;
|
---|
| 670 |
|
---|
| 671 | if (sha == NULL || hash == NULL) {
|
---|
| 672 | return BAD_FUNC_ARG;
|
---|
| 673 | }
|
---|
| 674 |
|
---|
| 675 | local = (byte*)sha->buffer;
|
---|
| 676 |
|
---|
| 677 | #ifdef WOLF_CRYPTO_CB
|
---|
| 678 | if (sha->devId != INVALID_DEVID) {
|
---|
| 679 | ret = wc_CryptoCb_ShaHash(sha, NULL, 0, hash);
|
---|
| 680 | if (ret != CRYPTOCB_UNAVAILABLE)
|
---|
| 681 | return ret;
|
---|
| 682 | ret = 0; /* reset ret */
|
---|
| 683 | /* fall-through when unavailable */
|
---|
| 684 | }
|
---|
| 685 | #endif
|
---|
| 686 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
| 687 | if (sha->asyncDev.marker == WOLFSSL_ASYNC_MARKER_SHA) {
|
---|
| 688 | #if defined(HAVE_INTEL_QA)
|
---|
| 689 | return IntelQaSymSha(&sha->asyncDev, hash, NULL, WC_SHA_DIGEST_SIZE);
|
---|
| 690 | #endif
|
---|
| 691 | }
|
---|
| 692 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 693 |
|
---|
| 694 | local[sha->buffLen++] = 0x80; /* add 1 */
|
---|
| 695 |
|
---|
| 696 | /* pad with zeros */
|
---|
| 697 | if (sha->buffLen > WC_SHA_PAD_SIZE) {
|
---|
| 698 | XMEMSET(&local[sha->buffLen], 0, WC_SHA_BLOCK_SIZE - sha->buffLen);
|
---|
| 699 | sha->buffLen += WC_SHA_BLOCK_SIZE - sha->buffLen;
|
---|
| 700 |
|
---|
| 701 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 702 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
| 703 | #endif
|
---|
| 704 |
|
---|
| 705 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 706 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 707 | if (sha->ctx.mode == ESP32_SHA_INIT) {
|
---|
| 708 | esp_sha_try_hw_lock(&sha->ctx);
|
---|
| 709 | }
|
---|
| 710 | if (sha->ctx.mode == ESP32_SHA_SW) {
|
---|
| 711 | ret = XTRANSFORM(sha, (const byte*)local);
|
---|
| 712 | } else {
|
---|
| 713 | ret = esp_sha_process(sha, (const byte*)local);
|
---|
| 714 | }
|
---|
| 715 | #else
|
---|
| 716 | ret = XTRANSFORM(sha, (const byte*)local);
|
---|
| 717 | #endif
|
---|
| 718 | if (ret != 0)
|
---|
| 719 | return ret;
|
---|
| 720 |
|
---|
| 721 | sha->buffLen = 0;
|
---|
| 722 | }
|
---|
| 723 | XMEMSET(&local[sha->buffLen], 0, WC_SHA_PAD_SIZE - sha->buffLen);
|
---|
| 724 |
|
---|
| 725 | #if defined(LITTLE_ENDIAN_ORDER) && !defined(FREESCALE_MMCAU_SHA)
|
---|
| 726 | ByteReverseWords(sha->buffer, sha->buffer, WC_SHA_BLOCK_SIZE);
|
---|
| 727 | #endif
|
---|
| 728 |
|
---|
| 729 | /* store lengths */
|
---|
| 730 | /* put lengths in bits */
|
---|
| 731 | sha->hiLen = (sha->loLen >> (8*sizeof(sha->loLen) - 3)) + (sha->hiLen << 3);
|
---|
| 732 | sha->loLen = sha->loLen << 3;
|
---|
| 733 |
|
---|
| 734 | /* ! length ordering dependent on digest endian type ! */
|
---|
| 735 | XMEMCPY(&local[WC_SHA_PAD_SIZE], &sha->hiLen, sizeof(word32));
|
---|
| 736 | XMEMCPY(&local[WC_SHA_PAD_SIZE + sizeof(word32)], &sha->loLen, sizeof(word32));
|
---|
| 737 |
|
---|
| 738 | #if defined(FREESCALE_MMCAU_SHA)
|
---|
| 739 | /* Kinetis requires only these bytes reversed */
|
---|
| 740 | ByteReverseWords(&sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
|
---|
| 741 | &sha->buffer[WC_SHA_PAD_SIZE/sizeof(word32)],
|
---|
| 742 | 2 * sizeof(word32));
|
---|
| 743 | #endif
|
---|
| 744 |
|
---|
| 745 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 746 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 747 | if (sha->ctx.mode == ESP32_SHA_INIT) {
|
---|
| 748 | esp_sha_try_hw_lock(&sha->ctx);
|
---|
| 749 | }
|
---|
| 750 | if (sha->ctx.mode == ESP32_SHA_SW) {
|
---|
| 751 | ret = XTRANSFORM(sha, (const byte*)local);
|
---|
| 752 | } else {
|
---|
| 753 | ret = esp_sha_digest_process(sha, 1);
|
---|
| 754 | }
|
---|
| 755 | #else
|
---|
| 756 | ret = XTRANSFORM(sha, (const byte*)local);
|
---|
| 757 | #endif
|
---|
| 758 |
|
---|
| 759 | #ifdef LITTLE_ENDIAN_ORDER
|
---|
| 760 | ByteReverseWords(sha->digest, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
| 761 | #endif
|
---|
| 762 |
|
---|
| 763 | XMEMCPY(hash, sha->digest, WC_SHA_DIGEST_SIZE);
|
---|
| 764 |
|
---|
| 765 | (void)InitSha(sha); /* reset state */
|
---|
| 766 |
|
---|
| 767 | return ret;
|
---|
| 768 | }
|
---|
| 769 |
|
---|
| 770 | #endif /* USE_SHA_SOFTWARE_IMPL */
|
---|
| 771 |
|
---|
| 772 |
|
---|
| 773 | int wc_InitSha(wc_Sha* sha)
|
---|
| 774 | {
|
---|
| 775 | return wc_InitSha_ex(sha, NULL, INVALID_DEVID);
|
---|
| 776 | }
|
---|
| 777 |
|
---|
| 778 | void wc_ShaFree(wc_Sha* sha)
|
---|
| 779 | {
|
---|
| 780 | if (sha == NULL)
|
---|
| 781 | return;
|
---|
| 782 |
|
---|
| 783 | #if defined(WOLFSSL_ASYNC_CRYPT) && defined(WC_ASYNC_ENABLE_SHA)
|
---|
| 784 | wolfAsync_DevCtxFree(&sha->asyncDev, WOLFSSL_ASYNC_MARKER_SHA);
|
---|
| 785 | #endif /* WOLFSSL_ASYNC_CRYPT */
|
---|
| 786 |
|
---|
| 787 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
| 788 | wc_ShaPic32Free(sha);
|
---|
| 789 | #endif
|
---|
| 790 | #if (defined(WOLFSSL_RENESAS_TSIP_CRYPT) && \
|
---|
| 791 | !defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH))
|
---|
| 792 | if (sha->msg != NULL) {
|
---|
| 793 | XFREE(sha->msg, sha->heap, DYNAMIC_TYPE_TMP_BUFFER);
|
---|
| 794 | sha->msg = NULL;
|
---|
| 795 | }
|
---|
| 796 | #endif
|
---|
| 797 | }
|
---|
| 798 |
|
---|
| 799 | #endif /* !WOLFSSL_TI_HASH */
|
---|
| 800 | #endif /* HAVE_FIPS */
|
---|
| 801 |
|
---|
| 802 | #ifndef WOLFSSL_TI_HASH
|
---|
| 803 | #if !defined(WOLFSSL_RENESAS_TSIP_CRYPT) || \
|
---|
| 804 | defined(NO_WOLFSSL_RENESAS_TSIP_CRYPT_HASH)
|
---|
| 805 | int wc_ShaGetHash(wc_Sha* sha, byte* hash)
|
---|
| 806 | {
|
---|
| 807 | int ret;
|
---|
| 808 | wc_Sha tmpSha;
|
---|
| 809 |
|
---|
| 810 | if (sha == NULL || hash == NULL)
|
---|
| 811 | return BAD_FUNC_ARG;
|
---|
| 812 |
|
---|
| 813 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 814 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 815 | if(sha->ctx.mode == ESP32_SHA_INIT){
|
---|
| 816 | esp_sha_try_hw_lock(&sha->ctx);
|
---|
| 817 | }
|
---|
| 818 | if(sha->ctx.mode != ESP32_SHA_SW)
|
---|
| 819 | esp_sha_digest_process(sha, 0);
|
---|
| 820 | #endif
|
---|
| 821 |
|
---|
| 822 | ret = wc_ShaCopy(sha, &tmpSha);
|
---|
| 823 | if (ret == 0) {
|
---|
| 824 | ret = wc_ShaFinal(&tmpSha, hash);
|
---|
| 825 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 826 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 827 | sha->ctx.mode = ESP32_SHA_SW;
|
---|
| 828 | #endif
|
---|
| 829 |
|
---|
| 830 |
|
---|
| 831 | }
|
---|
| 832 | return ret;
|
---|
| 833 | }
|
---|
| 834 |
|
---|
| 835 | int wc_ShaCopy(wc_Sha* src, wc_Sha* dst)
|
---|
| 836 | {
|
---|
| 837 | int ret = 0;
|
---|
| 838 |
|
---|
| 839 | if (src == NULL || dst == NULL)
|
---|
| 840 | return BAD_FUNC_ARG;
|
---|
| 841 |
|
---|
| 842 | XMEMCPY(dst, src, sizeof(wc_Sha));
|
---|
| 843 |
|
---|
| 844 | #ifdef WOLFSSL_ASYNC_CRYPT
|
---|
| 845 | ret = wolfAsync_DevCopy(&src->asyncDev, &dst->asyncDev);
|
---|
| 846 | #endif
|
---|
| 847 | #ifdef WOLFSSL_PIC32MZ_HASH
|
---|
| 848 | ret = wc_Pic32HashCopy(&src->cache, &dst->cache);
|
---|
| 849 | #endif
|
---|
| 850 | #if defined(WOLFSSL_ESP32WROOM32_CRYPT) && \
|
---|
| 851 | !defined(NO_WOLFSSL_ESP32WROOM32_CRYPT_HASH)
|
---|
| 852 | dst->ctx.mode = src->ctx.mode;
|
---|
| 853 | dst->ctx.isfirstblock = src->ctx.isfirstblock;
|
---|
| 854 | dst->ctx.sha_type = src->ctx.sha_type;
|
---|
| 855 | #endif
|
---|
| 856 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 857 | dst->flags |= WC_HASH_FLAG_ISCOPY;
|
---|
| 858 | #endif
|
---|
| 859 | return ret;
|
---|
| 860 | }
|
---|
| 861 | #endif /* defined(WOLFSSL_RENESAS_TSIP_CRYPT) ... */
|
---|
| 862 | #endif /* !WOLFSSL_TI_HASH */
|
---|
| 863 |
|
---|
| 864 |
|
---|
| 865 | #if defined(WOLFSSL_HASH_FLAGS) || defined(WOLF_CRYPTO_CB)
|
---|
| 866 | int wc_ShaSetFlags(wc_Sha* sha, word32 flags)
|
---|
| 867 | {
|
---|
| 868 | if (sha) {
|
---|
| 869 | sha->flags = flags;
|
---|
| 870 | }
|
---|
| 871 | return 0;
|
---|
| 872 | }
|
---|
| 873 | int wc_ShaGetFlags(wc_Sha* sha, word32* flags)
|
---|
| 874 | {
|
---|
| 875 | if (sha && flags) {
|
---|
| 876 | *flags = sha->flags;
|
---|
| 877 | }
|
---|
| 878 | return 0;
|
---|
| 879 | }
|
---|
| 880 | #endif
|
---|
| 881 |
|
---|
| 882 | #endif /* !NO_SHA */
|
---|