wolfSSL SSL/TLS library, support up to TLS1.3
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wolfcrypt/src/wc_encrypt.c@13:f67a6c6013ca, 2017-08-22 (annotated)
- Committer:
- wolfSSL
- Date:
- Tue Aug 22 10:48:22 2017 +0000
- Revision:
- 13:f67a6c6013ca
wolfSSL3.12.0 with TLS1.3
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
wolfSSL | 13:f67a6c6013ca | 1 | /* wc_encrypt.c |
wolfSSL | 13:f67a6c6013ca | 2 | * |
wolfSSL | 13:f67a6c6013ca | 3 | * Copyright (C) 2006-2016 wolfSSL Inc. |
wolfSSL | 13:f67a6c6013ca | 4 | * |
wolfSSL | 13:f67a6c6013ca | 5 | * This file is part of wolfSSL. |
wolfSSL | 13:f67a6c6013ca | 6 | * |
wolfSSL | 13:f67a6c6013ca | 7 | * wolfSSL is free software; you can redistribute it and/or modify |
wolfSSL | 13:f67a6c6013ca | 8 | * it under the terms of the GNU General Public License as published by |
wolfSSL | 13:f67a6c6013ca | 9 | * the Free Software Foundation; either version 2 of the License, or |
wolfSSL | 13:f67a6c6013ca | 10 | * (at your option) any later version. |
wolfSSL | 13:f67a6c6013ca | 11 | * |
wolfSSL | 13:f67a6c6013ca | 12 | * wolfSSL is distributed in the hope that it will be useful, |
wolfSSL | 13:f67a6c6013ca | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
wolfSSL | 13:f67a6c6013ca | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
wolfSSL | 13:f67a6c6013ca | 15 | * GNU General Public License for more details. |
wolfSSL | 13:f67a6c6013ca | 16 | * |
wolfSSL | 13:f67a6c6013ca | 17 | * You should have received a copy of the GNU General Public License |
wolfSSL | 13:f67a6c6013ca | 18 | * along with this program; if not, write to the Free Software |
wolfSSL | 13:f67a6c6013ca | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
wolfSSL | 13:f67a6c6013ca | 20 | */ |
wolfSSL | 13:f67a6c6013ca | 21 | |
wolfSSL | 13:f67a6c6013ca | 22 | |
wolfSSL | 13:f67a6c6013ca | 23 | #ifdef HAVE_CONFIG_H |
wolfSSL | 13:f67a6c6013ca | 24 | #include <config.h> |
wolfSSL | 13:f67a6c6013ca | 25 | #endif |
wolfSSL | 13:f67a6c6013ca | 26 | |
wolfSSL | 13:f67a6c6013ca | 27 | #include <wolfssl/wolfcrypt/settings.h> |
wolfSSL | 13:f67a6c6013ca | 28 | #include <wolfssl/wolfcrypt/aes.h> |
wolfSSL | 13:f67a6c6013ca | 29 | #include <wolfssl/wolfcrypt/des3.h> |
wolfSSL | 13:f67a6c6013ca | 30 | #include <wolfssl/wolfcrypt/wc_encrypt.h> |
wolfSSL | 13:f67a6c6013ca | 31 | #include <wolfssl/wolfcrypt/error-crypt.h> |
wolfSSL | 13:f67a6c6013ca | 32 | |
wolfSSL | 13:f67a6c6013ca | 33 | |
wolfSSL | 13:f67a6c6013ca | 34 | #if !defined(NO_AES) && defined(HAVE_AES_CBC) |
wolfSSL | 13:f67a6c6013ca | 35 | #ifdef HAVE_AES_DECRYPT |
wolfSSL | 13:f67a6c6013ca | 36 | int wc_AesCbcDecryptWithKey(byte* out, const byte* in, word32 inSz, |
wolfSSL | 13:f67a6c6013ca | 37 | const byte* key, word32 keySz, const byte* iv) |
wolfSSL | 13:f67a6c6013ca | 38 | { |
wolfSSL | 13:f67a6c6013ca | 39 | int ret = 0; |
wolfSSL | 13:f67a6c6013ca | 40 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 41 | Aes* aes = NULL; |
wolfSSL | 13:f67a6c6013ca | 42 | #else |
wolfSSL | 13:f67a6c6013ca | 43 | Aes aes[1]; |
wolfSSL | 13:f67a6c6013ca | 44 | #endif |
wolfSSL | 13:f67a6c6013ca | 45 | |
wolfSSL | 13:f67a6c6013ca | 46 | if (out == NULL || in == NULL || key == NULL || iv == NULL) { |
wolfSSL | 13:f67a6c6013ca | 47 | return BAD_FUNC_ARG; |
wolfSSL | 13:f67a6c6013ca | 48 | } |
wolfSSL | 13:f67a6c6013ca | 49 | |
wolfSSL | 13:f67a6c6013ca | 50 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 51 | aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 52 | if (aes == NULL) |
wolfSSL | 13:f67a6c6013ca | 53 | return MEMORY_E; |
wolfSSL | 13:f67a6c6013ca | 54 | #endif |
wolfSSL | 13:f67a6c6013ca | 55 | |
wolfSSL | 13:f67a6c6013ca | 56 | ret = wc_AesSetKey(aes, key, keySz, iv, AES_DECRYPTION); |
wolfSSL | 13:f67a6c6013ca | 57 | if (ret == 0) |
wolfSSL | 13:f67a6c6013ca | 58 | ret = wc_AesCbcDecrypt(aes, out, in, inSz); |
wolfSSL | 13:f67a6c6013ca | 59 | |
wolfSSL | 13:f67a6c6013ca | 60 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 61 | XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 62 | #endif |
wolfSSL | 13:f67a6c6013ca | 63 | |
wolfSSL | 13:f67a6c6013ca | 64 | return ret; |
wolfSSL | 13:f67a6c6013ca | 65 | } |
wolfSSL | 13:f67a6c6013ca | 66 | #endif /* HAVE_AES_DECRYPT */ |
wolfSSL | 13:f67a6c6013ca | 67 | |
wolfSSL | 13:f67a6c6013ca | 68 | int wc_AesCbcEncryptWithKey(byte* out, const byte* in, word32 inSz, |
wolfSSL | 13:f67a6c6013ca | 69 | const byte* key, word32 keySz, const byte* iv) |
wolfSSL | 13:f67a6c6013ca | 70 | { |
wolfSSL | 13:f67a6c6013ca | 71 | int ret = 0; |
wolfSSL | 13:f67a6c6013ca | 72 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 73 | Aes* aes = NULL; |
wolfSSL | 13:f67a6c6013ca | 74 | #else |
wolfSSL | 13:f67a6c6013ca | 75 | Aes aes[1]; |
wolfSSL | 13:f67a6c6013ca | 76 | #endif |
wolfSSL | 13:f67a6c6013ca | 77 | |
wolfSSL | 13:f67a6c6013ca | 78 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 79 | aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 80 | if (aes == NULL) |
wolfSSL | 13:f67a6c6013ca | 81 | return MEMORY_E; |
wolfSSL | 13:f67a6c6013ca | 82 | #endif |
wolfSSL | 13:f67a6c6013ca | 83 | |
wolfSSL | 13:f67a6c6013ca | 84 | ret = wc_AesSetKey(aes, key, keySz, iv, AES_ENCRYPTION); |
wolfSSL | 13:f67a6c6013ca | 85 | if (ret == 0) |
wolfSSL | 13:f67a6c6013ca | 86 | ret = wc_AesCbcEncrypt(aes, out, in, inSz); |
wolfSSL | 13:f67a6c6013ca | 87 | |
wolfSSL | 13:f67a6c6013ca | 88 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 89 | XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 90 | #endif |
wolfSSL | 13:f67a6c6013ca | 91 | |
wolfSSL | 13:f67a6c6013ca | 92 | return ret; |
wolfSSL | 13:f67a6c6013ca | 93 | } |
wolfSSL | 13:f67a6c6013ca | 94 | #endif /* !NO_AES && HAVE_AES_CBC */ |
wolfSSL | 13:f67a6c6013ca | 95 | |
wolfSSL | 13:f67a6c6013ca | 96 | |
wolfSSL | 13:f67a6c6013ca | 97 | #ifndef NO_DES3 |
wolfSSL | 13:f67a6c6013ca | 98 | int wc_Des_CbcEncryptWithKey(byte* out, const byte* in, word32 sz, |
wolfSSL | 13:f67a6c6013ca | 99 | const byte* key, const byte* iv) |
wolfSSL | 13:f67a6c6013ca | 100 | { |
wolfSSL | 13:f67a6c6013ca | 101 | int ret = 0; |
wolfSSL | 13:f67a6c6013ca | 102 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 103 | Des* des = NULL; |
wolfSSL | 13:f67a6c6013ca | 104 | #else |
wolfSSL | 13:f67a6c6013ca | 105 | Des des[1]; |
wolfSSL | 13:f67a6c6013ca | 106 | #endif |
wolfSSL | 13:f67a6c6013ca | 107 | |
wolfSSL | 13:f67a6c6013ca | 108 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 109 | des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 110 | if (des == NULL) |
wolfSSL | 13:f67a6c6013ca | 111 | return MEMORY_E; |
wolfSSL | 13:f67a6c6013ca | 112 | #endif |
wolfSSL | 13:f67a6c6013ca | 113 | |
wolfSSL | 13:f67a6c6013ca | 114 | ret = wc_Des_SetKey(des, key, iv, DES_ENCRYPTION); |
wolfSSL | 13:f67a6c6013ca | 115 | if (ret == 0) |
wolfSSL | 13:f67a6c6013ca | 116 | ret = wc_Des_CbcEncrypt(des, out, in, sz); |
wolfSSL | 13:f67a6c6013ca | 117 | |
wolfSSL | 13:f67a6c6013ca | 118 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 119 | XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 120 | #endif |
wolfSSL | 13:f67a6c6013ca | 121 | |
wolfSSL | 13:f67a6c6013ca | 122 | return ret; |
wolfSSL | 13:f67a6c6013ca | 123 | } |
wolfSSL | 13:f67a6c6013ca | 124 | |
wolfSSL | 13:f67a6c6013ca | 125 | int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, |
wolfSSL | 13:f67a6c6013ca | 126 | const byte* key, const byte* iv) |
wolfSSL | 13:f67a6c6013ca | 127 | { |
wolfSSL | 13:f67a6c6013ca | 128 | int ret = 0; |
wolfSSL | 13:f67a6c6013ca | 129 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 130 | Des* des = NULL; |
wolfSSL | 13:f67a6c6013ca | 131 | #else |
wolfSSL | 13:f67a6c6013ca | 132 | Des des[1]; |
wolfSSL | 13:f67a6c6013ca | 133 | #endif |
wolfSSL | 13:f67a6c6013ca | 134 | |
wolfSSL | 13:f67a6c6013ca | 135 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 136 | des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 137 | if (des == NULL) |
wolfSSL | 13:f67a6c6013ca | 138 | return MEMORY_E; |
wolfSSL | 13:f67a6c6013ca | 139 | #endif |
wolfSSL | 13:f67a6c6013ca | 140 | |
wolfSSL | 13:f67a6c6013ca | 141 | ret = wc_Des_SetKey(des, key, iv, DES_DECRYPTION); |
wolfSSL | 13:f67a6c6013ca | 142 | if (ret == 0) |
wolfSSL | 13:f67a6c6013ca | 143 | ret = wc_Des_CbcDecrypt(des, out, in, sz); |
wolfSSL | 13:f67a6c6013ca | 144 | |
wolfSSL | 13:f67a6c6013ca | 145 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 146 | XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 147 | #endif |
wolfSSL | 13:f67a6c6013ca | 148 | |
wolfSSL | 13:f67a6c6013ca | 149 | return ret; |
wolfSSL | 13:f67a6c6013ca | 150 | } |
wolfSSL | 13:f67a6c6013ca | 151 | |
wolfSSL | 13:f67a6c6013ca | 152 | |
wolfSSL | 13:f67a6c6013ca | 153 | int wc_Des3_CbcEncryptWithKey(byte* out, const byte* in, word32 sz, |
wolfSSL | 13:f67a6c6013ca | 154 | const byte* key, const byte* iv) |
wolfSSL | 13:f67a6c6013ca | 155 | { |
wolfSSL | 13:f67a6c6013ca | 156 | int ret = 0; |
wolfSSL | 13:f67a6c6013ca | 157 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 158 | Des3* des3 = NULL; |
wolfSSL | 13:f67a6c6013ca | 159 | #else |
wolfSSL | 13:f67a6c6013ca | 160 | Des3 des3[1]; |
wolfSSL | 13:f67a6c6013ca | 161 | #endif |
wolfSSL | 13:f67a6c6013ca | 162 | |
wolfSSL | 13:f67a6c6013ca | 163 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 164 | des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 165 | if (des3 == NULL) |
wolfSSL | 13:f67a6c6013ca | 166 | return MEMORY_E; |
wolfSSL | 13:f67a6c6013ca | 167 | #endif |
wolfSSL | 13:f67a6c6013ca | 168 | |
wolfSSL | 13:f67a6c6013ca | 169 | ret = wc_Des3_SetKey(des3, key, iv, DES_ENCRYPTION); |
wolfSSL | 13:f67a6c6013ca | 170 | if (ret == 0) |
wolfSSL | 13:f67a6c6013ca | 171 | ret = wc_Des3_CbcEncrypt(des3, out, in, sz); |
wolfSSL | 13:f67a6c6013ca | 172 | |
wolfSSL | 13:f67a6c6013ca | 173 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 174 | XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 175 | #endif |
wolfSSL | 13:f67a6c6013ca | 176 | |
wolfSSL | 13:f67a6c6013ca | 177 | return ret; |
wolfSSL | 13:f67a6c6013ca | 178 | } |
wolfSSL | 13:f67a6c6013ca | 179 | |
wolfSSL | 13:f67a6c6013ca | 180 | |
wolfSSL | 13:f67a6c6013ca | 181 | int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, |
wolfSSL | 13:f67a6c6013ca | 182 | const byte* key, const byte* iv) |
wolfSSL | 13:f67a6c6013ca | 183 | { |
wolfSSL | 13:f67a6c6013ca | 184 | int ret = 0; |
wolfSSL | 13:f67a6c6013ca | 185 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 186 | Des3* des3 = NULL; |
wolfSSL | 13:f67a6c6013ca | 187 | #else |
wolfSSL | 13:f67a6c6013ca | 188 | Des3 des3[1]; |
wolfSSL | 13:f67a6c6013ca | 189 | #endif |
wolfSSL | 13:f67a6c6013ca | 190 | |
wolfSSL | 13:f67a6c6013ca | 191 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 192 | des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 193 | if (des3 == NULL) |
wolfSSL | 13:f67a6c6013ca | 194 | return MEMORY_E; |
wolfSSL | 13:f67a6c6013ca | 195 | #endif |
wolfSSL | 13:f67a6c6013ca | 196 | |
wolfSSL | 13:f67a6c6013ca | 197 | ret = wc_Des3_SetKey(des3, key, iv, DES_DECRYPTION); |
wolfSSL | 13:f67a6c6013ca | 198 | if (ret == 0) |
wolfSSL | 13:f67a6c6013ca | 199 | ret = wc_Des3_CbcDecrypt(des3, out, in, sz); |
wolfSSL | 13:f67a6c6013ca | 200 | |
wolfSSL | 13:f67a6c6013ca | 201 | #ifdef WOLFSSL_SMALL_STACK |
wolfSSL | 13:f67a6c6013ca | 202 | XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
wolfSSL | 13:f67a6c6013ca | 203 | #endif |
wolfSSL | 13:f67a6c6013ca | 204 | |
wolfSSL | 13:f67a6c6013ca | 205 | return ret; |
wolfSSL | 13:f67a6c6013ca | 206 | } |
wolfSSL | 13:f67a6c6013ca | 207 | |
wolfSSL | 13:f67a6c6013ca | 208 | #endif /* !NO_DES3 */ |
wolfSSL | 13:f67a6c6013ca | 209 |