76 lines
2.0 KiB
C
76 lines
2.0 KiB
C
/* des3.h
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*
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* Copyright (C) 2006-2011 Sawtooth Consulting Ltd.
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*
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* This file is part of CyaSSL.
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*
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* CyaSSL is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* CyaSSL is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
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*/
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#ifndef NO_DES3
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#ifndef CTAO_CRYPT_DES3_H
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#define CTAO_CRYPT_DES3_H
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#include "types.h"
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum {
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DES_BLOCK_SIZE = 8,
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DES_KS_SIZE = 32,
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DES_ENCRYPTION = 0,
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DES_DECRYPTION = 1,
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};
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/* DES encryption and decryption */
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typedef struct Des {
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word32 key[DES_KS_SIZE];
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word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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} Des;
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/* DES3 encryption and decryption */
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typedef struct Des3 {
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word32 key[3][DES_KS_SIZE];
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word32 reg[DES_BLOCK_SIZE / sizeof(word32)]; /* for CBC mode */
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word32 tmp[DES_BLOCK_SIZE / sizeof(word32)]; /* same */
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} Des3;
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void Des_SetKey(Des* des, const byte* key, const byte* iv, int dir);
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void Des_CbcEncrypt(Des* des, byte* out, const byte* in, word32 sz);
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void Des_CbcDecrypt(Des* des, byte* out, const byte* in, word32 sz);
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void Des3_SetKey(Des3* des, const byte* key, const byte* iv, int dir);
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void Des3_CbcEncrypt(Des3* des, byte* out, const byte* in, word32 sz);
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void Des3_CbcDecrypt(Des3* des, byte* out, const byte* in, word32 sz);
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* NO_DES3 */
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#endif /* CTAO_CRYPT_DES3_H */
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