Xuyi Wang
/
wolfSSL
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wolfcrypt/src/wc_encrypt.c@16:048e5e270a58, 2019-11-19 (annotated)
- Committer:
- sPymbed
- Date:
- Tue Nov 19 14:32:16 2019 +0000
- Revision:
- 16:048e5e270a58
- Parent:
- 15:117db924cf7c
working ssl
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| wolfSSL | 15:117db924cf7c | 1 | /* wc_encrypt.c |
| wolfSSL | 15:117db924cf7c | 2 | * |
| wolfSSL | 15:117db924cf7c | 3 | * Copyright (C) 2006-2017 wolfSSL Inc. |
| wolfSSL | 15:117db924cf7c | 4 | * |
| wolfSSL | 15:117db924cf7c | 5 | * This file is part of wolfSSL. |
| wolfSSL | 15:117db924cf7c | 6 | * |
| wolfSSL | 15:117db924cf7c | 7 | * wolfSSL is free software; you can redistribute it and/or modify |
| wolfSSL | 15:117db924cf7c | 8 | * it under the terms of the GNU General Public License as published by |
| wolfSSL | 15:117db924cf7c | 9 | * the Free Software Foundation; either version 2 of the License, or |
| wolfSSL | 15:117db924cf7c | 10 | * (at your option) any later version. |
| wolfSSL | 15:117db924cf7c | 11 | * |
| wolfSSL | 15:117db924cf7c | 12 | * wolfSSL is distributed in the hope that it will be useful, |
| wolfSSL | 15:117db924cf7c | 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| wolfSSL | 15:117db924cf7c | 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| wolfSSL | 15:117db924cf7c | 15 | * GNU General Public License for more details. |
| wolfSSL | 15:117db924cf7c | 16 | * |
| wolfSSL | 15:117db924cf7c | 17 | * You should have received a copy of the GNU General Public License |
| wolfSSL | 15:117db924cf7c | 18 | * along with this program; if not, write to the Free Software |
| wolfSSL | 15:117db924cf7c | 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA |
| wolfSSL | 15:117db924cf7c | 20 | */ |
| wolfSSL | 15:117db924cf7c | 21 | |
| wolfSSL | 15:117db924cf7c | 22 | |
| wolfSSL | 15:117db924cf7c | 23 | #ifdef HAVE_CONFIG_H |
| wolfSSL | 15:117db924cf7c | 24 | #include <config.h> |
| wolfSSL | 15:117db924cf7c | 25 | #endif |
| wolfSSL | 15:117db924cf7c | 26 | |
| wolfSSL | 15:117db924cf7c | 27 | #include <wolfssl/wolfcrypt/settings.h> |
| wolfSSL | 15:117db924cf7c | 28 | #include <wolfssl/wolfcrypt/aes.h> |
| wolfSSL | 15:117db924cf7c | 29 | #include <wolfssl/wolfcrypt/des3.h> |
| wolfSSL | 15:117db924cf7c | 30 | #include <wolfssl/wolfcrypt/hash.h> |
| wolfSSL | 15:117db924cf7c | 31 | #include <wolfssl/wolfcrypt/arc4.h> |
| wolfSSL | 15:117db924cf7c | 32 | #include <wolfssl/wolfcrypt/wc_encrypt.h> |
| wolfSSL | 15:117db924cf7c | 33 | #include <wolfssl/wolfcrypt/error-crypt.h> |
| wolfSSL | 15:117db924cf7c | 34 | #include <wolfssl/wolfcrypt/asn.h> |
| wolfSSL | 15:117db924cf7c | 35 | #include <wolfssl/wolfcrypt/coding.h> |
| wolfSSL | 15:117db924cf7c | 36 | #include <wolfssl/wolfcrypt/pwdbased.h> |
| wolfSSL | 15:117db924cf7c | 37 | #include <wolfssl/wolfcrypt/logging.h> |
| wolfSSL | 15:117db924cf7c | 38 | |
| wolfSSL | 15:117db924cf7c | 39 | #ifdef NO_INLINE |
| wolfSSL | 15:117db924cf7c | 40 | #include <wolfssl/wolfcrypt/misc.h> |
| wolfSSL | 15:117db924cf7c | 41 | #else |
| wolfSSL | 15:117db924cf7c | 42 | #define WOLFSSL_MISC_INCLUDED |
| wolfSSL | 15:117db924cf7c | 43 | #include <wolfcrypt/src/misc.c> |
| wolfSSL | 15:117db924cf7c | 44 | #endif |
| wolfSSL | 15:117db924cf7c | 45 | |
| wolfSSL | 15:117db924cf7c | 46 | #if !defined(NO_AES) && defined(HAVE_AES_CBC) |
| wolfSSL | 15:117db924cf7c | 47 | #ifdef HAVE_AES_DECRYPT |
| wolfSSL | 15:117db924cf7c | 48 | int wc_AesCbcDecryptWithKey(byte* out, const byte* in, word32 inSz, |
| wolfSSL | 15:117db924cf7c | 49 | const byte* key, word32 keySz, const byte* iv) |
| wolfSSL | 15:117db924cf7c | 50 | { |
| wolfSSL | 15:117db924cf7c | 51 | int ret = 0; |
| wolfSSL | 15:117db924cf7c | 52 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 53 | Aes* aes = NULL; |
| wolfSSL | 15:117db924cf7c | 54 | #else |
| wolfSSL | 15:117db924cf7c | 55 | Aes aes[1]; |
| wolfSSL | 15:117db924cf7c | 56 | #endif |
| wolfSSL | 15:117db924cf7c | 57 | |
| wolfSSL | 15:117db924cf7c | 58 | if (out == NULL || in == NULL || key == NULL || iv == NULL) { |
| wolfSSL | 15:117db924cf7c | 59 | return BAD_FUNC_ARG; |
| wolfSSL | 15:117db924cf7c | 60 | } |
| wolfSSL | 15:117db924cf7c | 61 | |
| wolfSSL | 15:117db924cf7c | 62 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 63 | aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 64 | if (aes == NULL) |
| wolfSSL | 15:117db924cf7c | 65 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 66 | #endif |
| wolfSSL | 15:117db924cf7c | 67 | |
| wolfSSL | 15:117db924cf7c | 68 | ret = wc_AesInit(aes, NULL, INVALID_DEVID); |
| wolfSSL | 15:117db924cf7c | 69 | if (ret == 0) { |
| wolfSSL | 15:117db924cf7c | 70 | ret = wc_AesSetKey(aes, key, keySz, iv, AES_DECRYPTION); |
| wolfSSL | 15:117db924cf7c | 71 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 72 | ret = wc_AesCbcDecrypt(aes, out, in, inSz); |
| wolfSSL | 15:117db924cf7c | 73 | |
| wolfSSL | 15:117db924cf7c | 74 | wc_AesFree(aes); |
| wolfSSL | 15:117db924cf7c | 75 | } |
| wolfSSL | 15:117db924cf7c | 76 | |
| wolfSSL | 15:117db924cf7c | 77 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 78 | XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 79 | #endif |
| wolfSSL | 15:117db924cf7c | 80 | |
| wolfSSL | 15:117db924cf7c | 81 | return ret; |
| wolfSSL | 15:117db924cf7c | 82 | } |
| wolfSSL | 15:117db924cf7c | 83 | #endif /* HAVE_AES_DECRYPT */ |
| wolfSSL | 15:117db924cf7c | 84 | |
| wolfSSL | 15:117db924cf7c | 85 | int wc_AesCbcEncryptWithKey(byte* out, const byte* in, word32 inSz, |
| wolfSSL | 15:117db924cf7c | 86 | const byte* key, word32 keySz, const byte* iv) |
| wolfSSL | 15:117db924cf7c | 87 | { |
| wolfSSL | 15:117db924cf7c | 88 | int ret = 0; |
| wolfSSL | 15:117db924cf7c | 89 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 90 | Aes* aes = NULL; |
| wolfSSL | 15:117db924cf7c | 91 | #else |
| wolfSSL | 15:117db924cf7c | 92 | Aes aes[1]; |
| wolfSSL | 15:117db924cf7c | 93 | #endif |
| wolfSSL | 15:117db924cf7c | 94 | |
| wolfSSL | 15:117db924cf7c | 95 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 96 | aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 97 | if (aes == NULL) |
| wolfSSL | 15:117db924cf7c | 98 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 99 | #endif |
| wolfSSL | 15:117db924cf7c | 100 | |
| wolfSSL | 15:117db924cf7c | 101 | ret = wc_AesInit(aes, NULL, INVALID_DEVID); |
| wolfSSL | 15:117db924cf7c | 102 | if (ret == 0) { |
| wolfSSL | 15:117db924cf7c | 103 | ret = wc_AesSetKey(aes, key, keySz, iv, AES_ENCRYPTION); |
| wolfSSL | 15:117db924cf7c | 104 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 105 | ret = wc_AesCbcEncrypt(aes, out, in, inSz); |
| wolfSSL | 15:117db924cf7c | 106 | |
| wolfSSL | 15:117db924cf7c | 107 | wc_AesFree(aes); |
| wolfSSL | 15:117db924cf7c | 108 | } |
| wolfSSL | 15:117db924cf7c | 109 | |
| wolfSSL | 15:117db924cf7c | 110 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 111 | XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 112 | #endif |
| wolfSSL | 15:117db924cf7c | 113 | |
| wolfSSL | 15:117db924cf7c | 114 | return ret; |
| wolfSSL | 15:117db924cf7c | 115 | } |
| wolfSSL | 15:117db924cf7c | 116 | #endif /* !NO_AES && HAVE_AES_CBC */ |
| wolfSSL | 15:117db924cf7c | 117 | |
| wolfSSL | 15:117db924cf7c | 118 | |
| wolfSSL | 15:117db924cf7c | 119 | #ifndef NO_DES3 |
| wolfSSL | 15:117db924cf7c | 120 | int wc_Des_CbcEncryptWithKey(byte* out, const byte* in, word32 sz, |
| wolfSSL | 15:117db924cf7c | 121 | const byte* key, const byte* iv) |
| wolfSSL | 15:117db924cf7c | 122 | { |
| wolfSSL | 15:117db924cf7c | 123 | int ret = 0; |
| wolfSSL | 15:117db924cf7c | 124 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 125 | Des* des = NULL; |
| wolfSSL | 15:117db924cf7c | 126 | #else |
| wolfSSL | 15:117db924cf7c | 127 | Des des[1]; |
| wolfSSL | 15:117db924cf7c | 128 | #endif |
| wolfSSL | 15:117db924cf7c | 129 | |
| wolfSSL | 15:117db924cf7c | 130 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 131 | des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 132 | if (des == NULL) |
| wolfSSL | 15:117db924cf7c | 133 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 134 | #endif |
| wolfSSL | 15:117db924cf7c | 135 | |
| wolfSSL | 15:117db924cf7c | 136 | ret = wc_Des_SetKey(des, key, iv, DES_ENCRYPTION); |
| wolfSSL | 15:117db924cf7c | 137 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 138 | ret = wc_Des_CbcEncrypt(des, out, in, sz); |
| wolfSSL | 15:117db924cf7c | 139 | |
| wolfSSL | 15:117db924cf7c | 140 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 141 | XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 142 | #endif |
| wolfSSL | 15:117db924cf7c | 143 | |
| wolfSSL | 15:117db924cf7c | 144 | return ret; |
| wolfSSL | 15:117db924cf7c | 145 | } |
| wolfSSL | 15:117db924cf7c | 146 | |
| wolfSSL | 15:117db924cf7c | 147 | int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, |
| wolfSSL | 15:117db924cf7c | 148 | const byte* key, const byte* iv) |
| wolfSSL | 15:117db924cf7c | 149 | { |
| wolfSSL | 15:117db924cf7c | 150 | int ret = 0; |
| wolfSSL | 15:117db924cf7c | 151 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 152 | Des* des = NULL; |
| wolfSSL | 15:117db924cf7c | 153 | #else |
| wolfSSL | 15:117db924cf7c | 154 | Des des[1]; |
| wolfSSL | 15:117db924cf7c | 155 | #endif |
| wolfSSL | 15:117db924cf7c | 156 | |
| wolfSSL | 15:117db924cf7c | 157 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 158 | des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 159 | if (des == NULL) |
| wolfSSL | 15:117db924cf7c | 160 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 161 | #endif |
| wolfSSL | 15:117db924cf7c | 162 | |
| wolfSSL | 15:117db924cf7c | 163 | ret = wc_Des_SetKey(des, key, iv, DES_DECRYPTION); |
| wolfSSL | 15:117db924cf7c | 164 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 165 | ret = wc_Des_CbcDecrypt(des, out, in, sz); |
| wolfSSL | 15:117db924cf7c | 166 | |
| wolfSSL | 15:117db924cf7c | 167 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 168 | XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 169 | #endif |
| wolfSSL | 15:117db924cf7c | 170 | |
| wolfSSL | 15:117db924cf7c | 171 | return ret; |
| wolfSSL | 15:117db924cf7c | 172 | } |
| wolfSSL | 15:117db924cf7c | 173 | |
| wolfSSL | 15:117db924cf7c | 174 | |
| wolfSSL | 15:117db924cf7c | 175 | int wc_Des3_CbcEncryptWithKey(byte* out, const byte* in, word32 sz, |
| wolfSSL | 15:117db924cf7c | 176 | const byte* key, const byte* iv) |
| wolfSSL | 15:117db924cf7c | 177 | { |
| wolfSSL | 15:117db924cf7c | 178 | int ret = 0; |
| wolfSSL | 15:117db924cf7c | 179 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 180 | Des3* des3 = NULL; |
| wolfSSL | 15:117db924cf7c | 181 | #else |
| wolfSSL | 15:117db924cf7c | 182 | Des3 des3[1]; |
| wolfSSL | 15:117db924cf7c | 183 | #endif |
| wolfSSL | 15:117db924cf7c | 184 | |
| wolfSSL | 15:117db924cf7c | 185 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 186 | des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 187 | if (des3 == NULL) |
| wolfSSL | 15:117db924cf7c | 188 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 189 | #endif |
| wolfSSL | 15:117db924cf7c | 190 | |
| wolfSSL | 15:117db924cf7c | 191 | ret = wc_Des3Init(des3, NULL, INVALID_DEVID); |
| wolfSSL | 15:117db924cf7c | 192 | if (ret == 0) { |
| wolfSSL | 15:117db924cf7c | 193 | ret = wc_Des3_SetKey(des3, key, iv, DES_ENCRYPTION); |
| wolfSSL | 15:117db924cf7c | 194 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 195 | ret = wc_Des3_CbcEncrypt(des3, out, in, sz); |
| wolfSSL | 15:117db924cf7c | 196 | wc_Des3Free(des3); |
| wolfSSL | 15:117db924cf7c | 197 | } |
| wolfSSL | 15:117db924cf7c | 198 | |
| wolfSSL | 15:117db924cf7c | 199 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 200 | XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 201 | #endif |
| wolfSSL | 15:117db924cf7c | 202 | |
| wolfSSL | 15:117db924cf7c | 203 | return ret; |
| wolfSSL | 15:117db924cf7c | 204 | } |
| wolfSSL | 15:117db924cf7c | 205 | |
| wolfSSL | 15:117db924cf7c | 206 | |
| wolfSSL | 15:117db924cf7c | 207 | int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, |
| wolfSSL | 15:117db924cf7c | 208 | const byte* key, const byte* iv) |
| wolfSSL | 15:117db924cf7c | 209 | { |
| wolfSSL | 15:117db924cf7c | 210 | int ret = 0; |
| wolfSSL | 15:117db924cf7c | 211 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 212 | Des3* des3 = NULL; |
| wolfSSL | 15:117db924cf7c | 213 | #else |
| wolfSSL | 15:117db924cf7c | 214 | Des3 des3[1]; |
| wolfSSL | 15:117db924cf7c | 215 | #endif |
| wolfSSL | 15:117db924cf7c | 216 | |
| wolfSSL | 15:117db924cf7c | 217 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 218 | des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 219 | if (des3 == NULL) |
| wolfSSL | 15:117db924cf7c | 220 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 221 | #endif |
| wolfSSL | 15:117db924cf7c | 222 | |
| wolfSSL | 15:117db924cf7c | 223 | ret = wc_Des3Init(des3, NULL, INVALID_DEVID); |
| wolfSSL | 15:117db924cf7c | 224 | if (ret == 0) { |
| wolfSSL | 15:117db924cf7c | 225 | ret = wc_Des3_SetKey(des3, key, iv, DES_DECRYPTION); |
| wolfSSL | 15:117db924cf7c | 226 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 227 | ret = wc_Des3_CbcDecrypt(des3, out, in, sz); |
| wolfSSL | 15:117db924cf7c | 228 | wc_Des3Free(des3); |
| wolfSSL | 15:117db924cf7c | 229 | } |
| wolfSSL | 15:117db924cf7c | 230 | |
| wolfSSL | 15:117db924cf7c | 231 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 232 | XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 233 | #endif |
| wolfSSL | 15:117db924cf7c | 234 | |
| wolfSSL | 15:117db924cf7c | 235 | return ret; |
| wolfSSL | 15:117db924cf7c | 236 | } |
| wolfSSL | 15:117db924cf7c | 237 | |
| wolfSSL | 15:117db924cf7c | 238 | #endif /* !NO_DES3 */ |
| wolfSSL | 15:117db924cf7c | 239 | |
| wolfSSL | 15:117db924cf7c | 240 | |
| wolfSSL | 15:117db924cf7c | 241 | #ifdef WOLFSSL_ENCRYPTED_KEYS |
| wolfSSL | 15:117db924cf7c | 242 | |
| wolfSSL | 15:117db924cf7c | 243 | int wc_BufferKeyDecrypt(EncryptedInfo* info, byte* der, word32 derSz, |
| wolfSSL | 15:117db924cf7c | 244 | const byte* password, int passwordSz, int hashType) |
| wolfSSL | 15:117db924cf7c | 245 | { |
| wolfSSL | 15:117db924cf7c | 246 | int ret = NOT_COMPILED_IN; |
| wolfSSL | 15:117db924cf7c | 247 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 248 | byte* key = NULL; |
| wolfSSL | 15:117db924cf7c | 249 | #else |
| wolfSSL | 15:117db924cf7c | 250 | byte key[WC_MAX_SYM_KEY_SIZE]; |
| wolfSSL | 15:117db924cf7c | 251 | #endif |
| wolfSSL | 15:117db924cf7c | 252 | |
| wolfSSL | 15:117db924cf7c | 253 | (void)derSz; |
| wolfSSL | 15:117db924cf7c | 254 | (void)passwordSz; |
| wolfSSL | 15:117db924cf7c | 255 | (void)hashType; |
| wolfSSL | 15:117db924cf7c | 256 | |
| wolfSSL | 15:117db924cf7c | 257 | if (der == NULL || password == NULL || info == NULL || info->keySz == 0) { |
| wolfSSL | 15:117db924cf7c | 258 | return BAD_FUNC_ARG; |
| wolfSSL | 15:117db924cf7c | 259 | } |
| wolfSSL | 15:117db924cf7c | 260 | |
| wolfSSL | 15:117db924cf7c | 261 | /* use file's salt for key derivation, hex decode first */ |
| wolfSSL | 15:117db924cf7c | 262 | if (Base16_Decode(info->iv, info->ivSz, info->iv, &info->ivSz) != 0) { |
| wolfSSL | 15:117db924cf7c | 263 | return BUFFER_E; |
| wolfSSL | 15:117db924cf7c | 264 | } |
| wolfSSL | 15:117db924cf7c | 265 | if (info->ivSz < PKCS5_SALT_SZ) |
| wolfSSL | 15:117db924cf7c | 266 | return BUFFER_E; |
| wolfSSL | 15:117db924cf7c | 267 | |
| wolfSSL | 15:117db924cf7c | 268 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 269 | key = (byte*)XMALLOC(WC_MAX_SYM_KEY_SIZE, NULL, DYNAMIC_TYPE_SYMETRIC_KEY); |
| wolfSSL | 15:117db924cf7c | 270 | if (key == NULL) { |
| wolfSSL | 15:117db924cf7c | 271 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 272 | } |
| wolfSSL | 15:117db924cf7c | 273 | #endif |
| wolfSSL | 15:117db924cf7c | 274 | |
| wolfSSL | 15:117db924cf7c | 275 | #ifndef NO_PWDBASED |
| wolfSSL | 15:117db924cf7c | 276 | if ((ret = wc_PBKDF1(key, password, passwordSz, info->iv, PKCS5_SALT_SZ, 1, |
| wolfSSL | 15:117db924cf7c | 277 | info->keySz, hashType)) != 0) { |
| wolfSSL | 15:117db924cf7c | 278 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 279 | XFREE(key, NULL, DYNAMIC_TYPE_SYMETRIC_KEY); |
| wolfSSL | 15:117db924cf7c | 280 | #endif |
| wolfSSL | 15:117db924cf7c | 281 | return ret; |
| wolfSSL | 15:117db924cf7c | 282 | } |
| wolfSSL | 15:117db924cf7c | 283 | #endif |
| wolfSSL | 15:117db924cf7c | 284 | |
| wolfSSL | 15:117db924cf7c | 285 | #ifndef NO_DES3 |
| wolfSSL | 15:117db924cf7c | 286 | if (info->cipherType == WC_CIPHER_DES) |
| wolfSSL | 15:117db924cf7c | 287 | ret = wc_Des_CbcDecryptWithKey(der, der, derSz, key, info->iv); |
| wolfSSL | 15:117db924cf7c | 288 | if (info->cipherType == WC_CIPHER_DES3) |
| wolfSSL | 15:117db924cf7c | 289 | ret = wc_Des3_CbcDecryptWithKey(der, der, derSz, key, info->iv); |
| wolfSSL | 15:117db924cf7c | 290 | #endif /* NO_DES3 */ |
| wolfSSL | 15:117db924cf7c | 291 | #if !defined(NO_AES) && defined(HAVE_AES_CBC) && defined(HAVE_AES_DECRYPT) |
| wolfSSL | 15:117db924cf7c | 292 | if (info->cipherType == WC_CIPHER_AES_CBC) |
| wolfSSL | 15:117db924cf7c | 293 | ret = wc_AesCbcDecryptWithKey(der, der, derSz, key, info->keySz, |
| wolfSSL | 15:117db924cf7c | 294 | info->iv); |
| wolfSSL | 15:117db924cf7c | 295 | #endif /* !NO_AES && HAVE_AES_CBC && HAVE_AES_DECRYPT */ |
| wolfSSL | 15:117db924cf7c | 296 | |
| wolfSSL | 15:117db924cf7c | 297 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 298 | XFREE(key, NULL, DYNAMIC_TYPE_SYMETRIC_KEY); |
| wolfSSL | 15:117db924cf7c | 299 | #endif |
| wolfSSL | 15:117db924cf7c | 300 | |
| wolfSSL | 15:117db924cf7c | 301 | return ret; |
| wolfSSL | 15:117db924cf7c | 302 | } |
| wolfSSL | 15:117db924cf7c | 303 | |
| wolfSSL | 15:117db924cf7c | 304 | int wc_BufferKeyEncrypt(EncryptedInfo* info, byte* der, word32 derSz, |
| wolfSSL | 15:117db924cf7c | 305 | const byte* password, int passwordSz, int hashType) |
| wolfSSL | 15:117db924cf7c | 306 | { |
| wolfSSL | 15:117db924cf7c | 307 | int ret = NOT_COMPILED_IN; |
| wolfSSL | 15:117db924cf7c | 308 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 309 | byte* key = NULL; |
| wolfSSL | 15:117db924cf7c | 310 | #else |
| wolfSSL | 15:117db924cf7c | 311 | byte key[WC_MAX_SYM_KEY_SIZE]; |
| wolfSSL | 15:117db924cf7c | 312 | #endif |
| wolfSSL | 15:117db924cf7c | 313 | |
| wolfSSL | 15:117db924cf7c | 314 | (void)derSz; |
| wolfSSL | 15:117db924cf7c | 315 | (void)passwordSz; |
| wolfSSL | 15:117db924cf7c | 316 | (void)hashType; |
| wolfSSL | 15:117db924cf7c | 317 | |
| wolfSSL | 15:117db924cf7c | 318 | if (der == NULL || password == NULL || info == NULL || info->keySz == 0 || |
| wolfSSL | 15:117db924cf7c | 319 | info->ivSz < PKCS5_SALT_SZ) { |
| wolfSSL | 15:117db924cf7c | 320 | return BAD_FUNC_ARG; |
| wolfSSL | 15:117db924cf7c | 321 | } |
| wolfSSL | 15:117db924cf7c | 322 | |
| wolfSSL | 15:117db924cf7c | 323 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 324 | key = (byte*)XMALLOC(WC_MAX_SYM_KEY_SIZE, NULL, DYNAMIC_TYPE_SYMETRIC_KEY); |
| wolfSSL | 15:117db924cf7c | 325 | if (key == NULL) { |
| wolfSSL | 15:117db924cf7c | 326 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 327 | } |
| wolfSSL | 15:117db924cf7c | 328 | #endif /* WOLFSSL_SMALL_STACK */ |
| wolfSSL | 15:117db924cf7c | 329 | |
| wolfSSL | 15:117db924cf7c | 330 | #ifndef NO_PWDBASED |
| wolfSSL | 15:117db924cf7c | 331 | if ((ret = wc_PBKDF1(key, password, passwordSz, info->iv, PKCS5_SALT_SZ, 1, |
| wolfSSL | 15:117db924cf7c | 332 | info->keySz, hashType)) != 0) { |
| wolfSSL | 15:117db924cf7c | 333 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 334 | XFREE(key, NULL, DYNAMIC_TYPE_SYMETRIC_KEY); |
| wolfSSL | 15:117db924cf7c | 335 | #endif |
| wolfSSL | 15:117db924cf7c | 336 | return ret; |
| wolfSSL | 15:117db924cf7c | 337 | } |
| wolfSSL | 15:117db924cf7c | 338 | #endif |
| wolfSSL | 15:117db924cf7c | 339 | |
| wolfSSL | 15:117db924cf7c | 340 | #ifndef NO_DES3 |
| wolfSSL | 15:117db924cf7c | 341 | if (info->cipherType == WC_CIPHER_DES) |
| wolfSSL | 15:117db924cf7c | 342 | ret = wc_Des_CbcEncryptWithKey(der, der, derSz, key, info->iv); |
| wolfSSL | 15:117db924cf7c | 343 | if (info->cipherType == WC_CIPHER_DES3) |
| wolfSSL | 15:117db924cf7c | 344 | ret = wc_Des3_CbcEncryptWithKey(der, der, derSz, key, info->iv); |
| wolfSSL | 15:117db924cf7c | 345 | #endif /* NO_DES3 */ |
| wolfSSL | 15:117db924cf7c | 346 | #ifndef NO_AES |
| wolfSSL | 15:117db924cf7c | 347 | if (info->cipherType == WC_CIPHER_AES_CBC) |
| wolfSSL | 15:117db924cf7c | 348 | ret = wc_AesCbcEncryptWithKey(der, der, derSz, key, info->keySz, |
| wolfSSL | 15:117db924cf7c | 349 | info->iv); |
| wolfSSL | 15:117db924cf7c | 350 | #endif /* NO_AES */ |
| wolfSSL | 15:117db924cf7c | 351 | |
| wolfSSL | 15:117db924cf7c | 352 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 353 | XFREE(key, NULL, DYNAMIC_TYPE_SYMETRIC_KEY); |
| wolfSSL | 15:117db924cf7c | 354 | #endif |
| wolfSSL | 15:117db924cf7c | 355 | |
| wolfSSL | 15:117db924cf7c | 356 | return ret; |
| wolfSSL | 15:117db924cf7c | 357 | } |
| wolfSSL | 15:117db924cf7c | 358 | |
| wolfSSL | 15:117db924cf7c | 359 | #endif /* WOLFSSL_ENCRYPTED_KEYS */ |
| wolfSSL | 15:117db924cf7c | 360 | |
| wolfSSL | 15:117db924cf7c | 361 | |
| wolfSSL | 15:117db924cf7c | 362 | #ifndef NO_PWDBASED |
| wolfSSL | 15:117db924cf7c | 363 | |
| wolfSSL | 15:117db924cf7c | 364 | /* Decrypt/Encrypt input in place from parameters based on id |
| wolfSSL | 15:117db924cf7c | 365 | * |
| wolfSSL | 15:117db924cf7c | 366 | * returns a negative value on fail case |
| wolfSSL | 15:117db924cf7c | 367 | */ |
| wolfSSL | 15:117db924cf7c | 368 | int wc_CryptKey(const char* password, int passwordSz, byte* salt, |
| wolfSSL | 15:117db924cf7c | 369 | int saltSz, int iterations, int id, byte* input, |
| wolfSSL | 15:117db924cf7c | 370 | int length, int version, byte* cbcIv, int enc) |
| wolfSSL | 15:117db924cf7c | 371 | { |
| wolfSSL | 15:117db924cf7c | 372 | int typeH; |
| wolfSSL | 15:117db924cf7c | 373 | int derivedLen; |
| wolfSSL | 15:117db924cf7c | 374 | int ret = 0; |
| wolfSSL | 15:117db924cf7c | 375 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 376 | byte* key; |
| wolfSSL | 15:117db924cf7c | 377 | #else |
| wolfSSL | 15:117db924cf7c | 378 | byte key[MAX_KEY_SIZE]; |
| wolfSSL | 15:117db924cf7c | 379 | #endif |
| wolfSSL | 15:117db924cf7c | 380 | |
| wolfSSL | 15:117db924cf7c | 381 | (void)input; |
| wolfSSL | 15:117db924cf7c | 382 | (void)length; |
| wolfSSL | 15:117db924cf7c | 383 | (void)enc; |
| wolfSSL | 15:117db924cf7c | 384 | |
| wolfSSL | 15:117db924cf7c | 385 | WOLFSSL_ENTER("wc_CryptKey"); |
| wolfSSL | 15:117db924cf7c | 386 | |
| wolfSSL | 15:117db924cf7c | 387 | switch (id) { |
| wolfSSL | 15:117db924cf7c | 388 | #ifndef NO_DES3 |
| wolfSSL | 15:117db924cf7c | 389 | #ifndef NO_MD5 |
| wolfSSL | 15:117db924cf7c | 390 | case PBE_MD5_DES: |
| wolfSSL | 15:117db924cf7c | 391 | typeH = WC_MD5; |
| wolfSSL | 15:117db924cf7c | 392 | derivedLen = 16; /* may need iv for v1.5 */ |
| wolfSSL | 15:117db924cf7c | 393 | break; |
| wolfSSL | 15:117db924cf7c | 394 | #endif |
| wolfSSL | 15:117db924cf7c | 395 | #ifndef NO_SHA |
| wolfSSL | 15:117db924cf7c | 396 | case PBE_SHA1_DES: |
| wolfSSL | 15:117db924cf7c | 397 | typeH = WC_SHA; |
| wolfSSL | 15:117db924cf7c | 398 | derivedLen = 16; /* may need iv for v1.5 */ |
| wolfSSL | 15:117db924cf7c | 399 | break; |
| wolfSSL | 15:117db924cf7c | 400 | |
| wolfSSL | 15:117db924cf7c | 401 | case PBE_SHA1_DES3: |
| wolfSSL | 15:117db924cf7c | 402 | typeH = WC_SHA; |
| wolfSSL | 15:117db924cf7c | 403 | derivedLen = 32; /* may need iv for v1.5 */ |
| wolfSSL | 15:117db924cf7c | 404 | break; |
| wolfSSL | 15:117db924cf7c | 405 | #endif /* !NO_SHA */ |
| wolfSSL | 15:117db924cf7c | 406 | #endif /* !NO_DES3 */ |
| wolfSSL | 15:117db924cf7c | 407 | #if !defined(NO_SHA) && !defined(NO_RC4) |
| wolfSSL | 15:117db924cf7c | 408 | case PBE_SHA1_RC4_128: |
| wolfSSL | 15:117db924cf7c | 409 | typeH = WC_SHA; |
| wolfSSL | 15:117db924cf7c | 410 | derivedLen = 16; |
| wolfSSL | 15:117db924cf7c | 411 | break; |
| wolfSSL | 15:117db924cf7c | 412 | #endif |
| wolfSSL | 15:117db924cf7c | 413 | #ifdef WOLFSSL_AES_256 |
| wolfSSL | 15:117db924cf7c | 414 | case PBE_AES256_CBC: |
| wolfSSL | 15:117db924cf7c | 415 | typeH = WC_SHA256; |
| wolfSSL | 15:117db924cf7c | 416 | derivedLen = 32; |
| wolfSSL | 15:117db924cf7c | 417 | break; |
| wolfSSL | 15:117db924cf7c | 418 | #endif |
| wolfSSL | 15:117db924cf7c | 419 | default: |
| wolfSSL | 15:117db924cf7c | 420 | WOLFSSL_MSG("Unknown/Unsupported encrypt/decrypt id"); |
| wolfSSL | 15:117db924cf7c | 421 | return ALGO_ID_E; |
| wolfSSL | 15:117db924cf7c | 422 | } |
| wolfSSL | 15:117db924cf7c | 423 | |
| wolfSSL | 15:117db924cf7c | 424 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 425 | key = (byte*)XMALLOC(MAX_KEY_SIZE, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 426 | if (key == NULL) |
| wolfSSL | 15:117db924cf7c | 427 | return MEMORY_E; |
| wolfSSL | 15:117db924cf7c | 428 | #endif |
| wolfSSL | 15:117db924cf7c | 429 | |
| wolfSSL | 15:117db924cf7c | 430 | if (version == PKCS5v2) |
| wolfSSL | 15:117db924cf7c | 431 | ret = wc_PBKDF2(key, (byte*)password, passwordSz, |
| wolfSSL | 15:117db924cf7c | 432 | salt, saltSz, iterations, derivedLen, typeH); |
| wolfSSL | 15:117db924cf7c | 433 | #ifndef NO_SHA |
| wolfSSL | 15:117db924cf7c | 434 | else if (version == PKCS5) |
| wolfSSL | 15:117db924cf7c | 435 | ret = wc_PBKDF1(key, (byte*)password, passwordSz, |
| wolfSSL | 15:117db924cf7c | 436 | salt, saltSz, iterations, derivedLen, typeH); |
| wolfSSL | 15:117db924cf7c | 437 | #endif |
| wolfSSL | 15:117db924cf7c | 438 | else if (version == PKCS12v1) { |
| wolfSSL | 15:117db924cf7c | 439 | int i, idx = 0; |
| wolfSSL | 15:117db924cf7c | 440 | byte unicodePasswd[MAX_UNICODE_SZ]; |
| wolfSSL | 15:117db924cf7c | 441 | |
| wolfSSL | 15:117db924cf7c | 442 | if ( (passwordSz * 2 + 2) > (int)sizeof(unicodePasswd)) { |
| wolfSSL | 15:117db924cf7c | 443 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 444 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 445 | #endif |
| wolfSSL | 15:117db924cf7c | 446 | return UNICODE_SIZE_E; |
| wolfSSL | 15:117db924cf7c | 447 | } |
| wolfSSL | 15:117db924cf7c | 448 | |
| wolfSSL | 15:117db924cf7c | 449 | for (i = 0; i < passwordSz; i++) { |
| wolfSSL | 15:117db924cf7c | 450 | unicodePasswd[idx++] = 0x00; |
| wolfSSL | 15:117db924cf7c | 451 | unicodePasswd[idx++] = (byte)password[i]; |
| wolfSSL | 15:117db924cf7c | 452 | } |
| wolfSSL | 15:117db924cf7c | 453 | /* add trailing NULL */ |
| wolfSSL | 15:117db924cf7c | 454 | unicodePasswd[idx++] = 0x00; |
| wolfSSL | 15:117db924cf7c | 455 | unicodePasswd[idx++] = 0x00; |
| wolfSSL | 15:117db924cf7c | 456 | |
| wolfSSL | 15:117db924cf7c | 457 | ret = wc_PKCS12_PBKDF(key, unicodePasswd, idx, salt, saltSz, |
| wolfSSL | 15:117db924cf7c | 458 | iterations, derivedLen, typeH, 1); |
| wolfSSL | 15:117db924cf7c | 459 | if (id != PBE_SHA1_RC4_128) |
| wolfSSL | 15:117db924cf7c | 460 | ret += wc_PKCS12_PBKDF(cbcIv, unicodePasswd, idx, salt, saltSz, |
| wolfSSL | 15:117db924cf7c | 461 | iterations, 8, typeH, 2); |
| wolfSSL | 15:117db924cf7c | 462 | } |
| wolfSSL | 15:117db924cf7c | 463 | else { |
| wolfSSL | 15:117db924cf7c | 464 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 465 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 466 | #endif |
| wolfSSL | 15:117db924cf7c | 467 | WOLFSSL_MSG("Unknown/Unsupported PKCS version"); |
| wolfSSL | 15:117db924cf7c | 468 | return ALGO_ID_E; |
| wolfSSL | 15:117db924cf7c | 469 | } |
| wolfSSL | 15:117db924cf7c | 470 | |
| wolfSSL | 15:117db924cf7c | 471 | if (ret != 0) { |
| wolfSSL | 15:117db924cf7c | 472 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 473 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 474 | #endif |
| wolfSSL | 15:117db924cf7c | 475 | return ret; |
| wolfSSL | 15:117db924cf7c | 476 | } |
| wolfSSL | 15:117db924cf7c | 477 | |
| wolfSSL | 15:117db924cf7c | 478 | switch (id) { |
| wolfSSL | 15:117db924cf7c | 479 | #ifndef NO_DES3 |
| wolfSSL | 15:117db924cf7c | 480 | #if !defined(NO_SHA) || !defined(NO_MD5) |
| wolfSSL | 15:117db924cf7c | 481 | case PBE_MD5_DES: |
| wolfSSL | 15:117db924cf7c | 482 | case PBE_SHA1_DES: |
| wolfSSL | 15:117db924cf7c | 483 | { |
| wolfSSL | 15:117db924cf7c | 484 | Des des; |
| wolfSSL | 15:117db924cf7c | 485 | byte* desIv = key + 8; |
| wolfSSL | 15:117db924cf7c | 486 | |
| wolfSSL | 15:117db924cf7c | 487 | if (version == PKCS5v2 || version == PKCS12v1) |
| wolfSSL | 15:117db924cf7c | 488 | desIv = cbcIv; |
| wolfSSL | 15:117db924cf7c | 489 | |
| wolfSSL | 15:117db924cf7c | 490 | if (enc) { |
| wolfSSL | 15:117db924cf7c | 491 | ret = wc_Des_SetKey(&des, key, desIv, DES_ENCRYPTION); |
| wolfSSL | 15:117db924cf7c | 492 | } |
| wolfSSL | 15:117db924cf7c | 493 | else { |
| wolfSSL | 15:117db924cf7c | 494 | ret = wc_Des_SetKey(&des, key, desIv, DES_DECRYPTION); |
| wolfSSL | 15:117db924cf7c | 495 | } |
| wolfSSL | 15:117db924cf7c | 496 | if (ret != 0) { |
| wolfSSL | 15:117db924cf7c | 497 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 498 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 499 | #endif |
| wolfSSL | 15:117db924cf7c | 500 | return ret; |
| wolfSSL | 15:117db924cf7c | 501 | } |
| wolfSSL | 15:117db924cf7c | 502 | |
| wolfSSL | 15:117db924cf7c | 503 | if (enc) { |
| wolfSSL | 15:117db924cf7c | 504 | wc_Des_CbcEncrypt(&des, input, input, length); |
| wolfSSL | 15:117db924cf7c | 505 | } |
| wolfSSL | 15:117db924cf7c | 506 | else { |
| wolfSSL | 15:117db924cf7c | 507 | wc_Des_CbcDecrypt(&des, input, input, length); |
| wolfSSL | 15:117db924cf7c | 508 | } |
| wolfSSL | 15:117db924cf7c | 509 | break; |
| wolfSSL | 15:117db924cf7c | 510 | } |
| wolfSSL | 15:117db924cf7c | 511 | #endif /* !NO_SHA || !NO_MD5 */ |
| wolfSSL | 15:117db924cf7c | 512 | |
| wolfSSL | 15:117db924cf7c | 513 | #ifndef NO_SHA |
| wolfSSL | 15:117db924cf7c | 514 | case PBE_SHA1_DES3: |
| wolfSSL | 15:117db924cf7c | 515 | { |
| wolfSSL | 15:117db924cf7c | 516 | Des3 des; |
| wolfSSL | 15:117db924cf7c | 517 | byte* desIv = key + 24; |
| wolfSSL | 15:117db924cf7c | 518 | |
| wolfSSL | 15:117db924cf7c | 519 | if (version == PKCS5v2 || version == PKCS12v1) |
| wolfSSL | 15:117db924cf7c | 520 | desIv = cbcIv; |
| wolfSSL | 15:117db924cf7c | 521 | |
| wolfSSL | 15:117db924cf7c | 522 | ret = wc_Des3Init(&des, NULL, INVALID_DEVID); |
| wolfSSL | 15:117db924cf7c | 523 | if (ret != 0) { |
| wolfSSL | 15:117db924cf7c | 524 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 525 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 526 | #endif |
| wolfSSL | 15:117db924cf7c | 527 | return ret; |
| wolfSSL | 15:117db924cf7c | 528 | } |
| wolfSSL | 15:117db924cf7c | 529 | if (enc) { |
| wolfSSL | 15:117db924cf7c | 530 | ret = wc_Des3_SetKey(&des, key, desIv, DES_ENCRYPTION); |
| wolfSSL | 15:117db924cf7c | 531 | } |
| wolfSSL | 15:117db924cf7c | 532 | else { |
| wolfSSL | 15:117db924cf7c | 533 | ret = wc_Des3_SetKey(&des, key, desIv, DES_DECRYPTION); |
| wolfSSL | 15:117db924cf7c | 534 | } |
| wolfSSL | 15:117db924cf7c | 535 | if (ret != 0) { |
| wolfSSL | 15:117db924cf7c | 536 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 537 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 538 | #endif |
| wolfSSL | 15:117db924cf7c | 539 | return ret; |
| wolfSSL | 15:117db924cf7c | 540 | } |
| wolfSSL | 15:117db924cf7c | 541 | if (enc) { |
| wolfSSL | 15:117db924cf7c | 542 | ret = wc_Des3_CbcEncrypt(&des, input, input, length); |
| wolfSSL | 15:117db924cf7c | 543 | } |
| wolfSSL | 15:117db924cf7c | 544 | else { |
| wolfSSL | 15:117db924cf7c | 545 | ret = wc_Des3_CbcDecrypt(&des, input, input, length); |
| wolfSSL | 15:117db924cf7c | 546 | } |
| wolfSSL | 15:117db924cf7c | 547 | if (ret != 0) { |
| wolfSSL | 15:117db924cf7c | 548 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 549 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 550 | #endif |
| wolfSSL | 15:117db924cf7c | 551 | return ret; |
| wolfSSL | 15:117db924cf7c | 552 | } |
| wolfSSL | 15:117db924cf7c | 553 | break; |
| wolfSSL | 15:117db924cf7c | 554 | } |
| wolfSSL | 15:117db924cf7c | 555 | #endif /* !NO_SHA */ |
| wolfSSL | 15:117db924cf7c | 556 | #endif |
| wolfSSL | 15:117db924cf7c | 557 | #if !defined(NO_RC4) && !defined(NO_SHA) |
| wolfSSL | 15:117db924cf7c | 558 | case PBE_SHA1_RC4_128: |
| wolfSSL | 15:117db924cf7c | 559 | { |
| wolfSSL | 15:117db924cf7c | 560 | Arc4 dec; |
| wolfSSL | 15:117db924cf7c | 561 | |
| wolfSSL | 15:117db924cf7c | 562 | wc_Arc4SetKey(&dec, key, derivedLen); |
| wolfSSL | 15:117db924cf7c | 563 | wc_Arc4Process(&dec, input, input, length); |
| wolfSSL | 15:117db924cf7c | 564 | break; |
| wolfSSL | 15:117db924cf7c | 565 | } |
| wolfSSL | 15:117db924cf7c | 566 | #endif |
| wolfSSL | 15:117db924cf7c | 567 | #ifndef NO_AES |
| wolfSSL | 15:117db924cf7c | 568 | #ifdef WOLFSSL_AES_256 |
| wolfSSL | 15:117db924cf7c | 569 | case PBE_AES256_CBC: |
| wolfSSL | 15:117db924cf7c | 570 | { |
| wolfSSL | 15:117db924cf7c | 571 | Aes dec; |
| wolfSSL | 15:117db924cf7c | 572 | ret = wc_AesInit(&dec, NULL, INVALID_DEVID); |
| wolfSSL | 15:117db924cf7c | 573 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 574 | ret = wc_AesSetKey(&dec, key, derivedLen, |
| wolfSSL | 15:117db924cf7c | 575 | cbcIv, AES_DECRYPTION); |
| wolfSSL | 15:117db924cf7c | 576 | if (ret == 0) |
| wolfSSL | 15:117db924cf7c | 577 | ret = wc_AesCbcDecrypt(&dec, input, input, length); |
| wolfSSL | 15:117db924cf7c | 578 | if (ret != 0) { |
| wolfSSL | 15:117db924cf7c | 579 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 580 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 581 | #endif |
| wolfSSL | 15:117db924cf7c | 582 | return ret; |
| wolfSSL | 15:117db924cf7c | 583 | } |
| wolfSSL | 15:117db924cf7c | 584 | ForceZero(&dec, sizeof(Aes)); |
| wolfSSL | 15:117db924cf7c | 585 | break; |
| wolfSSL | 15:117db924cf7c | 586 | } |
| wolfSSL | 15:117db924cf7c | 587 | #endif /* WOLFSSL_AES_256 */ |
| wolfSSL | 15:117db924cf7c | 588 | #endif |
| wolfSSL | 15:117db924cf7c | 589 | |
| wolfSSL | 15:117db924cf7c | 590 | default: |
| wolfSSL | 15:117db924cf7c | 591 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 592 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 593 | #endif |
| wolfSSL | 15:117db924cf7c | 594 | WOLFSSL_MSG("Unknown/Unsupported encrypt/decryption algorithm"); |
| wolfSSL | 15:117db924cf7c | 595 | return ALGO_ID_E; |
| wolfSSL | 15:117db924cf7c | 596 | } |
| wolfSSL | 15:117db924cf7c | 597 | |
| wolfSSL | 15:117db924cf7c | 598 | #ifdef WOLFSSL_SMALL_STACK |
| wolfSSL | 15:117db924cf7c | 599 | XFREE(key, NULL, DYNAMIC_TYPE_TMP_BUFFER); |
| wolfSSL | 15:117db924cf7c | 600 | #endif |
| wolfSSL | 15:117db924cf7c | 601 | |
| wolfSSL | 15:117db924cf7c | 602 | return ret; |
| wolfSSL | 15:117db924cf7c | 603 | } |
| wolfSSL | 15:117db924cf7c | 604 | |
| wolfSSL | 15:117db924cf7c | 605 | #endif /* !NO_PWDBASED */ |
| wolfSSL | 15:117db924cf7c | 606 |