ca5bb76d2b
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@18012 a1c6a512-1295-4272-9138-f99709370657
115 lines
2.5 KiB
C++
115 lines
2.5 KiB
C++
/*
|
|
* 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
|