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/** \ingroup HASH_sha256_m HASH_m
* \file sha256.h
*
* SHA-256 hash function, header.
*/
/*
* Copyright (c) 2000, 2001, 2002 Virtual Unlimited B.V.
*
* Author: Bob Deblier <bob@virtualunlimited.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef _SHA256_H
#define _SHA256_H
#include "beecrypt.h"
/** \ingroup HASH_sha256_m
*/
typedef struct
{
uint32 h[8];
uint32 data[64];
uint64 length;
uint8 offset;
} sha256Param;
#ifdef __cplusplus
extern "C" {
#endif
/** \ingroup HASH_sha256_m
*/
/*@observer@*/ /*@checked@*/
extern BEECRYPTAPI const hashFunction sha256;
/*@-exportlocal@*/
/** \ingroup HASH_sha256_m
*/
BEECRYPTAPI
void sha256Process(sha256Param* p)
/*@globals internalState @*/
/*@modifies p, internalState @*/;
/** \ingroup HASH_sha256_m
*/
BEECRYPTAPI
int sha256Reset (sha256Param* p)
/*@modifies p @*/;
/** \ingroup HASH_sha256_m
*/
BEECRYPTAPI
int sha256Update (sha256Param* p, const byte* data, int size)
/*@globals internalState @*/
/*@modifies p, internalState @*/;
/** \ingroup HASH_sha256_m
*/
BEECRYPTAPI
int sha256Digest (sha256Param* p, /*@out@*/ uint32* data)
/*@globals internalState @*/
/*@modifies p, data, internalState @*/;
/*@=exportlocal@*/
#ifdef __cplusplus
}
#endif
#endif
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