CyaSSL is an SSL library for devices like mbed.
Dependents: cyassl-client Sync
des3.h
00001 /* des3.h 00002 * 00003 * Copyright (C) 2006-2009 Sawtooth Consulting Ltd. 00004 * 00005 * This file is part of CyaSSL. 00006 * 00007 * CyaSSL is free software; you can redistribute it and/or modify 00008 * it under the terms of the GNU General Public License as published by 00009 * the Free Software Foundation; either version 2 of the License, or 00010 * (at your option) any later version. 00011 * 00012 * CyaSSL is distributed in the hope that it will be useful, 00013 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00014 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00015 * GNU General Public License for more details. 00016 * 00017 * You should have received a copy of the GNU General Public License 00018 * along with this program; if not, write to the Free Software 00019 * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA 00020 */ 00021 00022 #ifndef NO_DES3 00023 00024 #ifndef CTAO_CRYPT_DES3_H 00025 #define CTAO_CRYPT_DES3_H 00026 00027 00028 #include "types.h" 00029 00030 00031 #ifdef __cplusplus 00032 extern "C" { 00033 #endif 00034 00035 enum { 00036 DES_BLOCK_SIZE = 8, 00037 DES_KS_SIZE = 32, 00038 00039 DES_ENCRYPTION = 0, 00040 DES_DECRYPTION = 1, 00041 }; 00042 00043 00044 /* DES encryption and decryption */ 00045 typedef struct Des { 00046 word32 key[DES_KS_SIZE]; 00047 word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */ 00048 word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */ 00049 } Des; 00050 00051 00052 /* DES3 encryption and decryption */ 00053 typedef struct Des3 { 00054 word32 key[3][DES_KS_SIZE]; 00055 word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */ 00056 word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */ 00057 } Des3; 00058 00059 00060 void Des_SetKey(Des* des, const byte* key, const byte* iv, int dir); 00061 void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz); 00062 void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz); 00063 00064 void Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir); 00065 void Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz); 00066 void Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz); 00067 00068 00069 #ifdef __cplusplus 00070 } /* extern "C" */ 00071 #endif 00072 00073 #endif /* NO_DES3 */ 00074 #endif /* CTAO_CRYPT_DES3_H */ 00075
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