[164] | 1 | /* hash.c
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| 2 | *
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| 3 | * Copyright (C) 2006-2015 wolfSSL Inc.
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| 4 | *
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| 5 | * This file is part of wolfSSL. (formerly known as CyaSSL)
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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 02110-1301, USA
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| 20 | */
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| 21 |
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| 22 | #ifdef HAVE_CONFIG_H
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| 23 | #include <config.h>
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| 24 | #endif
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| 25 |
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| 26 | #include <wolfssl/wolfcrypt/settings.h>
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| 27 | #include <wolfssl/wolfcrypt/logging.h>
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| 28 | #include <wolfssl/wolfcrypt/error-crypt.h>
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| 29 |
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| 30 | #if !defined(WOLFSSL_TI_HASH)
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| 31 |
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| 32 | #include <wolfssl/wolfcrypt/hash.h>
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| 33 |
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| 34 | #if !defined(NO_MD5)
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| 35 | void wc_Md5GetHash(Md5* md5, byte* hash)
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| 36 | {
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| 37 | Md5 save = *md5 ;
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| 38 | wc_Md5Final(md5, hash) ;
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| 39 | *md5 = save ;
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| 40 | }
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| 41 |
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| 42 | WOLFSSL_API void wc_Md5RestorePos(Md5* m1, Md5* m2) {
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| 43 | *m1 = *m2 ;
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| 44 | }
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| 45 |
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| 46 | #endif
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| 47 |
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| 48 | #if !defined(NO_SHA)
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| 49 | int wc_ShaGetHash(Sha* sha, byte* hash)
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| 50 | {
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| 51 | int ret ;
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| 52 | Sha save = *sha ;
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| 53 | ret = wc_ShaFinal(sha, hash) ;
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| 54 | *sha = save ;
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| 55 | return ret ;
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| 56 | }
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| 57 |
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| 58 | WOLFSSL_API void wc_ShaRestorePos(Sha* s1, Sha* s2) {
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| 59 | *s1 = *s2 ;
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| 60 | }
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| 61 |
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| 62 | int wc_ShaHash(const byte* data, word32 len, byte* hash)
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| 63 | {
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| 64 | int ret = 0;
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| 65 | #ifdef WOLFSSL_SMALL_STACK
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| 66 | Sha* sha;
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| 67 | #else
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| 68 | Sha sha[1];
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| 69 | #endif
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| 70 |
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| 71 | #ifdef WOLFSSL_SMALL_STACK
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| 72 | sha = (Sha*)XMALLOC(sizeof(Sha), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 73 | if (sha == NULL)
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| 74 | return MEMORY_E;
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| 75 | #endif
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| 76 |
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| 77 | if ((ret = wc_InitSha(sha)) != 0) {
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| 78 | WOLFSSL_MSG("wc_InitSha failed");
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| 79 | }
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| 80 | else {
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| 81 | wc_ShaUpdate(sha, data, len);
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| 82 | wc_ShaFinal(sha, hash);
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| 83 | }
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| 84 |
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| 85 | #ifdef WOLFSSL_SMALL_STACK
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| 86 | XFREE(sha, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 87 | #endif
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| 88 |
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| 89 | return ret;
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| 90 |
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| 91 | }
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| 92 |
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| 93 | #endif /* !defined(NO_SHA) */
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| 94 |
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| 95 | #if !defined(NO_SHA256)
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| 96 | int wc_Sha256GetHash(Sha256* sha256, byte* hash)
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| 97 | {
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| 98 | int ret ;
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| 99 | Sha256 save = *sha256 ;
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| 100 | ret = wc_Sha256Final(sha256, hash) ;
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| 101 | *sha256 = save ;
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| 102 | return ret ;
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| 103 | }
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| 104 |
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| 105 | WOLFSSL_API void wc_Sha256RestorePos(Sha256* s1, Sha256* s2) {
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| 106 | *s1 = *s2 ;
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| 107 | }
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| 108 |
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| 109 | int wc_Sha256Hash(const byte* data, word32 len, byte* hash)
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| 110 | {
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| 111 | int ret = 0;
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| 112 | #ifdef WOLFSSL_SMALL_STACK
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| 113 | Sha256* sha256;
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| 114 | #else
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| 115 | Sha256 sha256[1];
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| 116 | #endif
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| 117 |
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| 118 | #ifdef WOLFSSL_SMALL_STACK
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| 119 | sha256 = (Sha256*)XMALLOC(sizeof(Sha256), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 120 | if (sha256 == NULL)
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| 121 | return MEMORY_E;
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| 122 | #endif
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| 123 |
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| 124 | if ((ret = wc_InitSha256(sha256)) != 0) {
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| 125 | WOLFSSL_MSG("InitSha256 failed");
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| 126 | }
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| 127 | else if ((ret = wc_Sha256Update(sha256, data, len)) != 0) {
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| 128 | WOLFSSL_MSG("Sha256Update failed");
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| 129 | }
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| 130 | else if ((ret = wc_Sha256Final(sha256, hash)) != 0) {
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| 131 | WOLFSSL_MSG("Sha256Final failed");
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| 132 | }
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| 133 |
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| 134 | #ifdef WOLFSSL_SMALL_STACK
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| 135 | XFREE(sha256, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 136 | #endif
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| 137 |
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| 138 | return ret;
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| 139 | }
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| 140 |
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| 141 | #endif /* !defined(NO_SHA256) */
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| 142 |
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| 143 | #endif /* !defined(WOLFSSL_TI_HASH) */
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| 144 |
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| 145 | #if defined(WOLFSSL_SHA512)
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| 146 | int wc_Sha512Hash(const byte* data, word32 len, byte* hash)
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| 147 | {
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| 148 | int ret = 0;
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| 149 | #ifdef WOLFSSL_SMALL_STACK
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| 150 | Sha512* sha512;
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| 151 | #else
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| 152 | Sha512 sha512[1];
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| 153 | #endif
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| 154 |
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| 155 | #ifdef WOLFSSL_SMALL_STACK
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| 156 | sha512 = (Sha512*)XMALLOC(sizeof(Sha512), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 157 | if (sha512 == NULL)
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| 158 | return MEMORY_E;
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| 159 | #endif
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| 160 |
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| 161 | if ((ret = wc_InitSha512(sha512)) != 0) {
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| 162 | WOLFSSL_MSG("InitSha512 failed");
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| 163 | }
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| 164 | else if ((ret = wc_Sha512Update(sha512, data, len)) != 0) {
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| 165 | WOLFSSL_MSG("Sha512Update failed");
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| 166 | }
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| 167 | else if ((ret = wc_Sha512Final(sha512, hash)) != 0) {
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| 168 | WOLFSSL_MSG("Sha512Final failed");
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| 169 | }
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| 170 |
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| 171 | #ifdef WOLFSSL_SMALL_STACK
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| 172 | XFREE(sha512, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 173 | #endif
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| 174 |
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| 175 | return ret;
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| 176 | }
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| 177 |
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| 178 | #if defined(WOLFSSL_SHA384)
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| 179 | int wc_Sha384Hash(const byte* data, word32 len, byte* hash)
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| 180 | {
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| 181 | int ret = 0;
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| 182 | #ifdef WOLFSSL_SMALL_STACK
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| 183 | Sha384* sha384;
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| 184 | #else
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| 185 | Sha384 sha384[1];
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| 186 | #endif
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| 187 |
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| 188 | #ifdef WOLFSSL_SMALL_STACK
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| 189 | sha384 = (Sha384*)XMALLOC(sizeof(Sha384), NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 190 | if (sha384 == NULL)
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| 191 | return MEMORY_E;
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| 192 | #endif
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| 193 |
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| 194 | if ((ret = wc_InitSha384(sha384)) != 0) {
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| 195 | WOLFSSL_MSG("InitSha384 failed");
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| 196 | }
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| 197 | else if ((ret = wc_Sha384Update(sha384, data, len)) != 0) {
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| 198 | WOLFSSL_MSG("Sha384Update failed");
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| 199 | }
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| 200 | else if ((ret = wc_Sha384Final(sha384, hash)) != 0) {
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| 201 | WOLFSSL_MSG("Sha384Final failed");
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| 202 | }
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| 203 |
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| 204 | #ifdef WOLFSSL_SMALL_STACK
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| 205 | XFREE(sha384, NULL, DYNAMIC_TYPE_TMP_BUFFER);
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| 206 | #endif
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| 207 |
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| 208 | return ret;
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| 209 | }
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| 210 |
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| 211 | #endif /* defined(WOLFSSL_SHA384) */
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| 212 | #endif /* defined(WOLFSSL_SHA512) */
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