wolfssl/cyassl/ctaocrypt/arc4.h
2012-02-13 11:54:10 -08:00

57 lines
1.3 KiB
C

/* arc4.h
*
* Copyright (C) 2006-2012 Sawtooth Consulting Ltd.
*
* This file is part of CyaSSL.
*
* CyaSSL 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.
*
* CyaSSL 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., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*/
#ifndef CTAO_CRYPT_ARC4_H
#define CTAO_CRYPT_ARC4_H
#include <cyassl/ctaocrypt/types.h>
#ifdef __cplusplus
extern "C" {
#endif
enum {
ARC4_STATE_SIZE = 256
};
/* ARC4 encryption and decryption */
typedef struct Arc4 {
byte x;
byte y;
byte state[ARC4_STATE_SIZE];
} Arc4;
CYASSL_API void Arc4Process(Arc4*, byte*, const byte*, word32);
CYASSL_API void Arc4SetKey(Arc4*, const byte*, word32);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CTAO_CRYPT_ARC4_H */