/* bignum.h
*
* bignum operations that are missing from gmp.
*/
/* nettle, low-level cryptographics library
*
* Copyright (C) 2001 Niels Möller
*
* The nettle 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.
*
* The nettle 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 the nettle library; see the file COPYING.LIB. If not, write to
* the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
* MA 02111-1307, USA.
*/
#ifndef NETTLE_BIGNUM_H_INCLUDED
#define NETTLE_BIGNUM_H_INCLUDED
#include
#include
unsigned
nettle_mpz_sizeinbase_256(const mpz_t x);
/* Writes an unsigned integer as length octets, using big endian byte
* order. */
void
nettle_mpz_get_str_256(unsigned length, uint8_t *s, const mpz_t x);
void
nettle_mpz_set_str_256(mpz_t x,
unsigned length, const uint8_t *s);
void
nettle_mpz_init_set_str_256(mpz_t x,
unsigned length, const uint8_t *s);
#endif /* NETTLE_BIGNUM_H_INCLUDED */