CyaSSL is an SSL library for devices like mbed.
Dependents: cyassl-client Sync
hc128.h
00001 /* hc128.h 00002 * 00003 * Copyright (C) 2006-2009 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_HC128 00024 00025 #ifndef CTAO_CRYPT_HC128_H 00026 #define CTAO_CRYPT_HC128_H 00027 00028 #include "types.h" 00029 00030 #ifdef __cplusplus 00031 extern "C" { 00032 #endif 00033 00034 00035 00036 /* HC-128 stream cipher */ 00037 typedef struct HC128 { 00038 word32 T[1024]; /* P[i] = T[i]; Q[i] = T[1024 + i ]; */ 00039 word32 X[16]; 00040 word32 Y[16]; 00041 word32 counter1024; /* counter1024 = i mod 1024 at the ith step */ 00042 word32 key[8]; 00043 word32 iv[8]; 00044 } HC128; 00045 00046 00047 void Hc128_Process(HC128*, byte*, const byte*, word32); 00048 void Hc128_SetKey(HC128*, const byte* key, const byte* iv); 00049 00050 00051 #ifdef __cplusplus 00052 } /* extern "C" */ 00053 #endif 00054 00055 #endif /* CTAO_CRYPT_HC128_H */ 00056 00057 #endif /* NO_HC128 */
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