rabbit.h

00001 /* rabbit.h
00002  *
00003  * Copyright (C) 2006-2012 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 
00023 #ifndef NO_RABBIT
00024 
00025 #ifndef CTAO_CRYPT_RABBIT_H
00026 #define CTAO_CRYPT_RABBIT_H
00027 
00028 #include <cyassl/ctaocrypt/types.h>
00029 
00030 #ifdef __cplusplus
00031     extern "C" {
00032 #endif
00033 
00034 
00035 enum {
00036     RABBIT_ENC_TYPE  = 5     /* cipher unique type */
00037 };
00038 
00039 
00040 /* Rabbit Context */
00041 typedef struct RabbitCtx {
00042     word32 x[8];
00043     word32 c[8];
00044     word32 carry;
00045 } RabbitCtx;
00046     
00047 
00048 /* Rabbit stream cipher */
00049 typedef struct Rabbit {
00050     RabbitCtx masterCtx;
00051     RabbitCtx workCtx;
00052 } Rabbit;
00053 
00054 
00055 CYASSL_API void RabbitProcess(Rabbit*, byte*, const byte*, word32);
00056 CYASSL_API void RabbitSetKey(Rabbit*, const byte* key, const byte* iv);
00057 
00058 
00059 #ifdef __cplusplus
00060     } /* extern "C" */
00061 #endif
00062 
00063 #endif /* CTAO_CRYPT_RABBIT_H */
00064 
00065 #endif /* NO_RABBIT */