wolfSSL SSL/TLS library, support up to TLS1.3
Dependents: CyaSSL-Twitter-OAuth4Tw Example-client-tls-cert TwitterReader TweetTest ... more
wolfcrypt/src/wc_encrypt.c
- Committer:
- wolfSSL
- Date:
- 2016-04-28
- Revision:
- 3:6f956bdb3073
File content as of revision 3:6f956bdb3073:
/* wc_encrypt.c * * Copyright (C) 2006-2016 wolfSSL Inc. * * This file is part of wolfSSL. * * wolfSSL is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * wolfSSL is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA */ #ifdef HAVE_CONFIG_H #include <config.h> #endif #include <wolfssl/wolfcrypt/settings.h> #include <wolfssl/wolfcrypt/aes.h> #include <wolfssl/wolfcrypt/des3.h> #include <wolfssl/wolfcrypt/wc_encrypt.h> #include <wolfssl/wolfcrypt/error-crypt.h> #if !defined(NO_AES) && defined(HAVE_AES_CBC) int wc_AesCbcDecryptWithKey(byte* out, const byte* in, word32 inSz, const byte* key, word32 keySz, const byte* iv) { int ret = 0; #ifdef WOLFSSL_SMALL_STACK Aes* aes = NULL; #else Aes aes[1]; #endif #ifdef WOLFSSL_SMALL_STACK aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER); if (aes == NULL) return MEMORY_E; #endif ret = wc_AesSetKey(aes, key, keySz, iv, AES_DECRYPTION); if (ret == 0) ret = wc_AesCbcDecrypt(aes, out, in, inSz); #ifdef WOLFSSL_SMALL_STACK XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } int wc_AesCbcEncryptWithKey(byte* out, const byte* in, word32 inSz, const byte* key, word32 keySz, const byte* iv) { int ret = 0; #ifdef WOLFSSL_SMALL_STACK Aes* aes = NULL; #else Aes aes[1]; #endif #ifdef WOLFSSL_SMALL_STACK aes = (Aes*)XMALLOC(sizeof(Aes), NULL, DYNAMIC_TYPE_TMP_BUFFER); if (aes == NULL) return MEMORY_E; #endif ret = wc_AesSetKey(aes, key, keySz, iv, AES_ENCRYPTION); if (ret == 0) ret = wc_AesCbcEncrypt(aes, out, in, inSz); #ifdef WOLFSSL_SMALL_STACK XFREE(aes, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } #endif /* !NO_AES && HAVE_AES_CBC */ #ifndef NO_DES3 int wc_Des_CbcEncryptWithKey(byte* out, const byte* in, word32 sz, const byte* key, const byte* iv) { int ret = 0; #ifdef WOLFSSL_SMALL_STACK Des* des = NULL; #else Des des[1]; #endif #ifdef WOLFSSL_SMALL_STACK des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER); if (des == NULL) return MEMORY_E; #endif ret = wc_Des_SetKey(des, key, iv, DES_ENCRYPTION); if (ret == 0) ret = wc_Des_CbcEncrypt(des, out, in, sz); #ifdef WOLFSSL_SMALL_STACK XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } int wc_Des_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, const byte* key, const byte* iv) { int ret = 0; #ifdef WOLFSSL_SMALL_STACK Des* des = NULL; #else Des des[1]; #endif #ifdef WOLFSSL_SMALL_STACK des = (Des*)XMALLOC(sizeof(Des), NULL, DYNAMIC_TYPE_TMP_BUFFER); if (des == NULL) return MEMORY_E; #endif ret = wc_Des_SetKey(des, key, iv, DES_DECRYPTION); if (ret == 0) ret = wc_Des_CbcDecrypt(des, out, in, sz); #ifdef WOLFSSL_SMALL_STACK XFREE(des, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } int wc_Des3_CbcEncryptWithKey(byte* out, const byte* in, word32 sz, const byte* key, const byte* iv) { int ret = 0; #ifdef WOLFSSL_SMALL_STACK Des3* des3 = NULL; #else Des3 des3[1]; #endif #ifdef WOLFSSL_SMALL_STACK des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER); if (des3 == NULL) return MEMORY_E; #endif ret = wc_Des3_SetKey(des3, key, iv, DES_ENCRYPTION); if (ret == 0) ret = wc_Des3_CbcEncrypt(des3, out, in, sz); #ifdef WOLFSSL_SMALL_STACK XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } int wc_Des3_CbcDecryptWithKey(byte* out, const byte* in, word32 sz, const byte* key, const byte* iv) { int ret = 0; #ifdef WOLFSSL_SMALL_STACK Des3* des3 = NULL; #else Des3 des3[1]; #endif #ifdef WOLFSSL_SMALL_STACK des3 = (Des3*)XMALLOC(sizeof(Des3), NULL, DYNAMIC_TYPE_TMP_BUFFER); if (des3 == NULL) return MEMORY_E; #endif ret = wc_Des3_SetKey(des3, key, iv, DES_DECRYPTION); if (ret == 0) ret = wc_Des3_CbcDecrypt(des3, out, in, sz); #ifdef WOLFSSL_SMALL_STACK XFREE(des3, NULL, DYNAMIC_TYPE_TMP_BUFFER); #endif return ret; } #endif /* !NO_DES3 */