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/** \ingroup HMAC_sha256_m HMAC_m
* \file hmacsha256.h
*
* HMAC-SHA-256 message authentication code, 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 _HMACSHA256_H
#define _HMACSHA256_H
#include "hmac.h"
#include "sha256.h"
/** \ingroup HMAC_sha256_m
*/
typedef struct
{
hmacParam hparam;
sha256Param sparam;
} hmacsha256Param;
#ifdef __cplusplus
extern "C" {
#endif
/** \ingroup HMAC_sha256_m
*/
/*@observer@*/ /*@checked@*/
extern BEECRYPTAPI const keyedHashFunction hmacsha256;
/** \ingroup HMAC_sha256_m
*/
/*@-exportlocal@*/
BEECRYPTAPI
int hmacsha256Setup (hmacsha256Param* sp, const uint32* key, int keybits)
/*@globals sha256 @*/
/*@modifies sp @*/;
/*@=exportlocal@*/
/** \ingroup HMAC_sha256_m
*/
/*@-exportlocal@*/
BEECRYPTAPI
int hmacsha256Reset (hmacsha256Param* sp)
/*@globals sha256 @*/
/*@modifies sp @*/;
/*@=exportlocal@*/
/** \ingroup HMAC_sha256_m
*/
/*@-exportlocal@*/
BEECRYPTAPI
int hmacsha256Update(hmacsha256Param* sp, const byte* data, int size)
/*@globals sha256 @*/
/*@modifies sp @*/;
/*@=exportlocal@*/
/** \ingroup HMAC_sha256_m
*/
/*@-exportlocal@*/
BEECRYPTAPI
int hmacsha256Digest(hmacsha256Param* sp, uint32* data)
/*@globals sha256 @*/
/*@modifies sp, data @*/;
/*@=exportlocal@*/
#ifdef __cplusplus
}
#endif
#endif
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