1 /* rabbit.h 2 * 3 * Copyright (C) 2006-2021 wolfSSL Inc. 4 * 5 * This file is part of wolfSSL. 6 * 7 * wolfSSL is free software; you can redistribute it and/or modify 8 * it under the terms of the GNU General Public License as published by 9 * the Free Software Foundation; either version 2 of the License, or 10 * (at your option) any later version. 11 * 12 * wolfSSL is distributed in the hope that it will be useful, 13 * but WITHOUT ANY WARRANTY; without even the implied warranty of 14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 15 * GNU General Public License for more details. 16 * 17 * You should have received a copy of the GNU General Public License 18 * along with this program; if not, write to the Free Software 19 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1335, USA 20 */ 21 22 /*! 23 \file wolfssl/wolfcrypt/rabbit.h 24 */ 25 26 27 #ifndef WOLF_CRYPT_RABBIT_H 28 #define WOLF_CRYPT_RABBIT_H 29 30 #include <wolfssl/wolfcrypt/types.h> 31 32 #ifndef NO_RABBIT 33 34 #ifdef __cplusplus 35 extern "C" { 36 #endif 37 38 39 enum { 40 RABBIT_ENC_TYPE = 5 /* cipher unique type */ 41 }; 42 43 44 /* Rabbit Context */ 45 typedef struct RabbitCtx { 46 word32 x[8]; 47 word32 c[8]; 48 word32 carry; 49 } RabbitCtx; 50 51 52 /* Rabbit stream cipher */ 53 typedef struct Rabbit { 54 RabbitCtx masterCtx; 55 RabbitCtx workCtx; 56 #ifdef XSTREAM_ALIGN 57 void* heap; /* heap hint, currently XMALLOC only used with aligning */ 58 #endif 59 } Rabbit; 60 61 62 WOLFSSL_API int wc_RabbitProcess(Rabbit*, byte*, const byte*, word32); 63 WOLFSSL_API int wc_RabbitSetKey(Rabbit*, const byte* key, const byte* iv); 64 65 WOLFSSL_LOCAL int wc_Rabbit_SetHeap(Rabbit* ctx, void* heap); 66 67 #ifdef __cplusplus 68 } /* extern "C" */ 69 #endif 70 71 #endif /* NO_RABBIT */ 72 #endif /* WOLF_CRYPT_RABBIT_H */ 73 74