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/* hc128.h
*
* Copyright (C) 2006-2011 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 NO_HC128
#ifndef CTAO_CRYPT_HC128_H
#define CTAO_CRYPT_HC128_H
#include "types.h"
#ifdef __cplusplus
extern "C" {
#endif
/* HC-128 stream cipher */
typedef struct HC128 {
word32 T[1024]; /* P[i] = T[i]; Q[i] = T[1024 + i ]; */
word32 X[16];
word32 Y[16];
word32 counter1024; /* counter1024 = i mod 1024 at the ith step */
word32 key[8];
word32 iv[8];
} HC128;
void Hc128_Process(HC128*, byte*, const byte*, word32);
void Hc128_SetKey(HC128*, const byte* key, const byte* iv);
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /* CTAO_CRYPT_HC128_H */
#endif /* NO_HC128 */
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