wolf SSL / wolfSSL

wolfSSL SSL/TLS library, support up to TLS1.3

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wolfcrypt/src/wc_encrypt.c@3:6f956bdb3073, 2016-04-28 (annotated)

Committer:
wolfSSL
Date:
Thu Apr 28 00:56:55 2016 +0000
Revision:
3:6f956bdb3073
wolfSSL 3.9.0

Who changed what in which revision?

UserRevisionLine numberNew contents of line
wolfSSL 3:6f956bdb3073 1 /* wc_encrypt.c
wolfSSL 3:6f956bdb3073 2 *
wolfSSL 3:6f956bdb3073 3 * Copyright (C) 2006-2016 wolfSSL Inc.
wolfSSL 3:6f956bdb3073 4 *
wolfSSL 3:6f956bdb3073 5 * This file is part of wolfSSL.
wolfSSL 3:6f956bdb3073 6 *
wolfSSL 3:6f956bdb3073 7 * wolfSSL is free software; you can redistribute it and/or modify
wolfSSL 3:6f956bdb3073 8 * it under the terms of the GNU General Public License as published by
wolfSSL 3:6f956bdb3073 9 * the Free Software Foundation; either version 2 of the License, or
wolfSSL 3:6f956bdb3073 10 * (at your option) any later version.
wolfSSL 3:6f956bdb3073 11 *
wolfSSL 3:6f956bdb3073 12 * wolfSSL is distributed in the hope that it will be useful,
wolfSSL 3:6f956bdb3073 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
wolfSSL 3:6f956bdb3073 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
wolfSSL 3:6f956bdb3073 15 * GNU General Public License for more details.
wolfSSL 3:6f956bdb3073 16 *
wolfSSL 3:6f956bdb3073 17 * You should have received a copy of the GNU General Public License
wolfSSL 3:6f956bdb3073 18 * along with this program; if not, write to the Free Software
wolfSSL 3:6f956bdb3073 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
wolfSSL 3:6f956bdb3073 20 */
wolfSSL 3:6f956bdb3073 21
wolfSSL 3:6f956bdb3073 22
wolfSSL 3:6f956bdb3073 23 #ifdef HAVE_CONFIG_H
wolfSSL 3:6f956bdb3073 24 #include <config.h>
wolfSSL 3:6f956bdb3073 25 #endif
wolfSSL 3:6f956bdb3073 26
wolfSSL 3:6f956bdb3073 27 #include <wolfssl/wolfcrypt/settings.h>
wolfSSL 3:6f956bdb3073 28 #include <wolfssl/wolfcrypt/aes.h>
wolfSSL 3:6f956bdb3073 29 #include <wolfssl/wolfcrypt/des3.h>
wolfSSL 3:6f956bdb3073 30 #include <wolfssl/wolfcrypt/wc_encrypt.h>
wolfSSL 3:6f956bdb3073 31 #include <wolfssl/wolfcrypt/error-crypt.h>
wolfSSL 3:6f956bdb3073 32
wolfSSL 3:6f956bdb3073 33
wolfSSL 3:6f956bdb3073 34 #if !defined(NO_AES) && defined(HAVE_AES_CBC)
wolfSSL 3:6f956bdb3073 35 int wc_AesCbcDecryptWithKey(byte* out, const byte* in, word32 inSz,
wolfSSL 3:6f956bdb3073 36 const byte* key, word32 keySz, const byte* iv)
wolfSSL 3:6f956bdb3073 37 {
wolfSSL 3:6f956bdb3073 38 int ret = 0;
wolfSSL 3:6f956bdb3073 39 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 40 Aes* aes = NULL;
wolfSSL 3:6f956bdb3073 41 #else
wolfSSL 3:6f956bdb3073 42 Aes aes[1];
wolfSSL 3:6f956bdb3073 43 #endif
wolfSSL 3:6f956bdb3073 44
wolfSSL 3:6f956bdb3073 45 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 46 aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 47 if (aes == NULL)
wolfSSL 3:6f956bdb3073 48 return MEMORY_E;
wolfSSL 3:6f956bdb3073 49 #endif
wolfSSL 3:6f956bdb3073 50
wolfSSL 3:6f956bdb3073 51 ret = wc_AesSetKey(aes, key, keySz, iv, AES_DECRYPTION);
wolfSSL 3:6f956bdb3073 52 if (ret == 0)
wolfSSL 3:6f956bdb3073 53 ret = wc_AesCbcDecrypt(aes, out, in, inSz);
wolfSSL 3:6f956bdb3073 54
wolfSSL 3:6f956bdb3073 55 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 56 XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 57 #endif
wolfSSL 3:6f956bdb3073 58
wolfSSL 3:6f956bdb3073 59 return ret;
wolfSSL 3:6f956bdb3073 60 }
wolfSSL 3:6f956bdb3073 61
wolfSSL 3:6f956bdb3073 62 int wc_AesCbcEncryptWithKey(byte* out, const byte* in, word32 inSz,
wolfSSL 3:6f956bdb3073 63 const byte* key, word32 keySz, const byte* iv)
wolfSSL 3:6f956bdb3073 64 {
wolfSSL 3:6f956bdb3073 65 int ret = 0;
wolfSSL 3:6f956bdb3073 66 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 67 Aes* aes = NULL;
wolfSSL 3:6f956bdb3073 68 #else
wolfSSL 3:6f956bdb3073 69 Aes aes[1];
wolfSSL 3:6f956bdb3073 70 #endif
wolfSSL 3:6f956bdb3073 71
wolfSSL 3:6f956bdb3073 72 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 73 aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 74 if (aes == NULL)
wolfSSL 3:6f956bdb3073 75 return MEMORY_E;
wolfSSL 3:6f956bdb3073 76 #endif
wolfSSL 3:6f956bdb3073 77
wolfSSL 3:6f956bdb3073 78 ret = wc_AesSetKey(aes, key, keySz, iv, AES_ENCRYPTION);
wolfSSL 3:6f956bdb3073 79 if (ret == 0)
wolfSSL 3:6f956bdb3073 80 ret = wc_AesCbcEncrypt(aes, out, in, inSz);
wolfSSL 3:6f956bdb3073 81
wolfSSL 3:6f956bdb3073 82 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 83 XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 84 #endif
wolfSSL 3:6f956bdb3073 85
wolfSSL 3:6f956bdb3073 86 return ret;
wolfSSL 3:6f956bdb3073 87 }
wolfSSL 3:6f956bdb3073 88 #endif /* !NO_AES && HAVE_AES_CBC */
wolfSSL 3:6f956bdb3073 89
wolfSSL 3:6f956bdb3073 90
wolfSSL 3:6f956bdb3073 91 #ifndef NO_DES3
wolfSSL 3:6f956bdb3073 92 int wc_Des_CbcEncryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 3:6f956bdb3073 93 const byte* key, const byte* iv)
wolfSSL 3:6f956bdb3073 94 {
wolfSSL 3:6f956bdb3073 95 int ret = 0;
wolfSSL 3:6f956bdb3073 96 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 97 Des* des = NULL;
wolfSSL 3:6f956bdb3073 98 #else
wolfSSL 3:6f956bdb3073 99 Des des[1];
wolfSSL 3:6f956bdb3073 100 #endif
wolfSSL 3:6f956bdb3073 101
wolfSSL 3:6f956bdb3073 102 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 103 des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 104 if (des == NULL)
wolfSSL 3:6f956bdb3073 105 return MEMORY_E;
wolfSSL 3:6f956bdb3073 106 #endif
wolfSSL 3:6f956bdb3073 107
wolfSSL 3:6f956bdb3073 108 ret = wc_Des_SetKey(des, key, iv, DES_ENCRYPTION);
wolfSSL 3:6f956bdb3073 109 if (ret == 0)
wolfSSL 3:6f956bdb3073 110 ret = wc_Des_CbcEncrypt(des, out, in, sz);
wolfSSL 3:6f956bdb3073 111
wolfSSL 3:6f956bdb3073 112 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 113 XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 114 #endif
wolfSSL 3:6f956bdb3073 115
wolfSSL 3:6f956bdb3073 116 return ret;
wolfSSL 3:6f956bdb3073 117 }
wolfSSL 3:6f956bdb3073 118
wolfSSL 3:6f956bdb3073 119 int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 3:6f956bdb3073 120 const byte* key, const byte* iv)
wolfSSL 3:6f956bdb3073 121 {
wolfSSL 3:6f956bdb3073 122 int ret = 0;
wolfSSL 3:6f956bdb3073 123 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 124 Des* des = NULL;
wolfSSL 3:6f956bdb3073 125 #else
wolfSSL 3:6f956bdb3073 126 Des des[1];
wolfSSL 3:6f956bdb3073 127 #endif
wolfSSL 3:6f956bdb3073 128
wolfSSL 3:6f956bdb3073 129 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 130 des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 131 if (des == NULL)
wolfSSL 3:6f956bdb3073 132 return MEMORY_E;
wolfSSL 3:6f956bdb3073 133 #endif
wolfSSL 3:6f956bdb3073 134
wolfSSL 3:6f956bdb3073 135 ret = wc_Des_SetKey(des, key, iv, DES_DECRYPTION);
wolfSSL 3:6f956bdb3073 136 if (ret == 0)
wolfSSL 3:6f956bdb3073 137 ret = wc_Des_CbcDecrypt(des, out, in, sz);
wolfSSL 3:6f956bdb3073 138
wolfSSL 3:6f956bdb3073 139 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 140 XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 141 #endif
wolfSSL 3:6f956bdb3073 142
wolfSSL 3:6f956bdb3073 143 return ret;
wolfSSL 3:6f956bdb3073 144 }
wolfSSL 3:6f956bdb3073 145
wolfSSL 3:6f956bdb3073 146
wolfSSL 3:6f956bdb3073 147 int wc_Des3_CbcEncryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 3:6f956bdb3073 148 const byte* key, const byte* iv)
wolfSSL 3:6f956bdb3073 149 {
wolfSSL 3:6f956bdb3073 150 int ret = 0;
wolfSSL 3:6f956bdb3073 151 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 152 Des3* des3 = NULL;
wolfSSL 3:6f956bdb3073 153 #else
wolfSSL 3:6f956bdb3073 154 Des3 des3[1];
wolfSSL 3:6f956bdb3073 155 #endif
wolfSSL 3:6f956bdb3073 156
wolfSSL 3:6f956bdb3073 157 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 158 des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 159 if (des3 == NULL)
wolfSSL 3:6f956bdb3073 160 return MEMORY_E;
wolfSSL 3:6f956bdb3073 161 #endif
wolfSSL 3:6f956bdb3073 162
wolfSSL 3:6f956bdb3073 163 ret = wc_Des3_SetKey(des3, key, iv, DES_ENCRYPTION);
wolfSSL 3:6f956bdb3073 164 if (ret == 0)
wolfSSL 3:6f956bdb3073 165 ret = wc_Des3_CbcEncrypt(des3, out, in, sz);
wolfSSL 3:6f956bdb3073 166
wolfSSL 3:6f956bdb3073 167 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 168 XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 169 #endif
wolfSSL 3:6f956bdb3073 170
wolfSSL 3:6f956bdb3073 171 return ret;
wolfSSL 3:6f956bdb3073 172 }
wolfSSL 3:6f956bdb3073 173
wolfSSL 3:6f956bdb3073 174
wolfSSL 3:6f956bdb3073 175 int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz,
wolfSSL 3:6f956bdb3073 176 const byte* key, const byte* iv)
wolfSSL 3:6f956bdb3073 177 {
wolfSSL 3:6f956bdb3073 178 int ret = 0;
wolfSSL 3:6f956bdb3073 179 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 180 Des3* des3 = NULL;
wolfSSL 3:6f956bdb3073 181 #else
wolfSSL 3:6f956bdb3073 182 Des3 des3[1];
wolfSSL 3:6f956bdb3073 183 #endif
wolfSSL 3:6f956bdb3073 184
wolfSSL 3:6f956bdb3073 185 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 186 des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 187 if (des3 == NULL)
wolfSSL 3:6f956bdb3073 188 return MEMORY_E;
wolfSSL 3:6f956bdb3073 189 #endif
wolfSSL 3:6f956bdb3073 190
wolfSSL 3:6f956bdb3073 191 ret = wc_Des3_SetKey(des3, key, iv, DES_DECRYPTION);
wolfSSL 3:6f956bdb3073 192 if (ret == 0)
wolfSSL 3:6f956bdb3073 193 ret = wc_Des3_CbcDecrypt(des3, out, in, sz);
wolfSSL 3:6f956bdb3073 194
wolfSSL 3:6f956bdb3073 195 #ifdef WOLFSSL_SMALL_STACK
wolfSSL 3:6f956bdb3073 196 XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER);
wolfSSL 3:6f956bdb3073 197 #endif
wolfSSL 3:6f956bdb3073 198
wolfSSL 3:6f956bdb3073 199 return ret;
wolfSSL 3:6f956bdb3073 200 }
wolfSSL 3:6f956bdb3073 201
wolfSSL 3:6f956bdb3073 202 #endif /* !NO_DES3 */
wolfSSL 3:6f956bdb3073 203