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/*
* Copyright (c) 2003 Bob Deblier
*
* 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 mpnumber.h
* \brief Multi-precision numbers, headers.
* \author Bob Deblier <bob.deblier@pandora.be>
* \ingroup MP_m
*/
#ifndef _MPNUMBER_H
#define _MPNUMBER_H
#include "beecrypt/mp.h"
#ifdef __cplusplus
# include <iostream>
#endif
#ifdef __cplusplus
struct BEECRYPTAPI mpnumber
#else
struct _mpnumber
#endif
{
size_t size;
mpw* data;
#ifdef __cplusplus
static const mpnumber ZERO;
static const mpnumber ONE;
mpnumber();
mpnumber(unsigned int);
mpnumber(const mpnumber&);
~mpnumber();
const mpnumber& operator=(const mpnumber&);
bool operator==(const mpnumber&) const throw ();
bool operator!=(const mpnumber&) const throw ();
void wipe();
size_t bitlength() const throw ();
#endif
};
#ifndef __cplusplus
typedef struct _mpnumber mpnumber;
#else
BEECRYPTAPI
std::ostream& operator<<(std::ostream&, const mpnumber&);
/*
BEECRYPTAPI
std::istream& operator>>(std::istream&, mpnumber&);
*/
#endif
#ifdef __cplusplus
extern "C" {
#endif
BEECRYPTAPI
void mpnzero(mpnumber*);
BEECRYPTAPI
void mpnsize(mpnumber*, size_t);
BEECRYPTAPI
void mpninit(mpnumber*, size_t, const mpw*);
BEECRYPTAPI
void mpnfree(mpnumber*);
BEECRYPTAPI
void mpncopy(mpnumber*, const mpnumber*);
BEECRYPTAPI
void mpnwipe(mpnumber*);
BEECRYPTAPI
void mpnset (mpnumber*, size_t, const mpw*);
BEECRYPTAPI
void mpnsetw (mpnumber*, mpw);
BEECRYPTAPI
int mpnsetbin(mpnumber*, const byte*, size_t);
BEECRYPTAPI
int mpnsethex(mpnumber*, const char*);
BEECRYPTAPI
int mpninv(mpnumber*, const mpnumber*, const mpnumber*);
/*!\brief Truncate the mpnumber to the specified number of (least significant) bits.
*/
BEECRYPTAPI
size_t mpntrbits(mpnumber*, size_t);
BEECRYPTAPI
size_t mpnbits(const mpnumber*);
#ifdef __cplusplus
}
#endif
#endif
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