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/*
* Copyright (c) 1998, 1999, 2000, 2001, 2002 Virtual Unlimited B.V.
*
* 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
*
*/
/*!\file fips186.h
* \brief FIPS-186 pseudo-random number generator, headers.
* \author Bob Deblier <bob.deblier@pandora.be>
* \ingroup PRNG_m PRNG_fips186_m
*/
#ifndef _FIPS186_H
#define _FIPS186_H
#include "beecrypt.h"
#include "sha1.h"
#if (MP_WBITS == 64)
# define FIPS186_STATE_SIZE 8
#elif (MP_WBITS == 32)
# define FIPS186_STATE_SIZE 16
#else
# error
#endif
/*!\ingroup PRNG_fips186_m
*/
typedef struct
{
#ifdef _REENTRANT
# if WIN32
HANDLE lock;
# else
bc_lock_t lock;
# endif
#endif
sha1Param param;
mpw state[FIPS186_STATE_SIZE];
byte digest[20];
int digestremain;
} fips186Param;
#ifdef __cplusplus
extern "C" {
#endif
/**
*/
/*@observer@*/ /*@unchecked@*/
extern BEECRYPTAPI const randomGenerator fips186prng;
/**
*/
/*@-exportlocal@*/
BEECRYPTAPI
int fips186Setup (fips186Param* fp)
/*@modifies fp @*/;
/*@=exportlocal@*/
/**
*/
/*@-exportlocal@*/
BEECRYPTAPI
int fips186Seed (fips186Param* fp, const byte* data, size_t size)
/*@modifies fp @*/;
/*@=exportlocal@*/
/**
*/
/*@-exportlocal@*/
BEECRYPTAPI
int fips186Next (fips186Param* fp, byte* data, size_t size)
/*@modifies fp, data @*/;
/*@=exportlocal@*/
/**
*/
/*@-exportlocal@*/
BEECRYPTAPI
int fips186Cleanup(fips186Param* fp)
/*@modifies fp @*/;
/*@=exportlocal@*/
#ifdef __cplusplus
}
#endif
#endif
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