rabbit.h

00001 /* rabbit.h
00002  *
00003  * Copyright (C) 2006-2016 wolfSSL Inc.
00004  *
00005  * This file is part of wolfSSL.
00006  *
00007  * wolfSSL 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  * wolfSSL 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA
00020  */
00021 
00022 
00023 #ifndef WOLF_CRYPT_RABBIT_H
00024 #define WOLF_CRYPT_RABBIT_H
00025 
00026 #include <wolfssl/wolfcrypt/types.h>
00027 
00028 #ifndef NO_RABBIT
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 #ifdef XSTREAM_ALIGN
00053     void*  heap;  /* heap hint, currently XMALLOC only used with aligning */
00054 #endif
00055 } Rabbit;
00056 
00057 
00058 WOLFSSL_API int wc_RabbitProcess(Rabbit*, byte*, const byte*, word32);
00059 WOLFSSL_API int wc_RabbitSetKey(Rabbit*, const byte* key, const byte* iv);
00060 
00061 WOLFSSL_LOCAL int wc_Rabbit_SetHeap(Rabbit* ctx, void* heap);
00062 
00063 #ifdef __cplusplus
00064     } /* extern "C" */
00065 #endif
00066 
00067 #endif /* NO_RABBIT */
00068 #endif /* WOLF_CRYPT_RABBIT_H */
00069 
00070