00001 00007 /* 00008 * Copyright (c) 2000, 2001 Virtual Unlimited B.V. 00009 * 00010 * Author: Bob Deblier <bob@virtualunlimited.com> 00011 * 00012 * This library is free software; you can redistribute it and/or 00013 * modify it under the terms of the GNU Lesser General Public 00014 * License as published by the Free Software Foundation; either 00015 * version 2.1 of the License, or (at your option) any later version. 00016 * 00017 * This library is distributed in the hope that it will be useful, 00018 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00019 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00020 * Lesser General Public License for more details. 00021 * 00022 * You should have received a copy of the GNU Lesser General Public 00023 * License along with this library; if not, write to the Free Software 00024 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 * 00026 */ 00027 00028 #ifndef _SHA256_H 00029 #define _SHA256_H 00030 00031 #include "beecrypt.h" 00032 00035 typedef struct 00036 { 00037 uint32 h[8]; 00038 uint32 data[64]; 00039 uint64 length; 00040 uint8 offset; 00041 } sha256Param; 00042 00043 #ifdef __cplusplus 00044 extern "C" { 00045 #endif 00046 00049 /*@observer@*/ /*@checked@*/ 00050 extern BEECRYPTAPI const hashFunction sha256; 00051 00052 /*@-exportlocal@*/ 00055 BEECRYPTAPI 00056 void sha256Process(sha256Param* p) 00057 /*@globals internalState @*/ 00058 /*@modifies p, internalState @*/; 00059 00062 BEECRYPTAPI 00063 int sha256Reset (sha256Param* p) 00064 /*@modifies p @*/; 00065 00068 BEECRYPTAPI 00069 int sha256Update (sha256Param* p, const byte* data, int size) 00070 /*@globals internalState @*/ 00071 /*@modifies p, internalState @*/; 00072 00075 BEECRYPTAPI 00076 int sha256Digest (sha256Param* p, /*@out@*/ uint32* data) 00077 /*@globals internalState @*/ 00078 /*@modifies p, data, internalState @*/; 00079 /*@=exportlocal@*/ 00080 00081 #ifdef __cplusplus 00082 } 00083 #endif 00084 00085 #endif