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/* some multiprecision utilities
* Copyright (C) 1997 Angelos D. Keromytis.
* Copyright (C) 1998-2001 D. Hugh Redelmeier.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License as published by the
* Free Software Foundation; either version 2 of the License, or (at your
* option) any later version. See <http://www.fsf.org/copyleft/gpl.txt>.
*
* This program 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 General Public License
* for more details.
*/
#ifndef _MP_DEFS_H
#define _MP_DEFS_H
#include <gmp.h>
#include <utils.h>
extern void n_to_mpz(MP_INT *mp, const u_char *nbytes, size_t nlen);
extern chunk_t mpz_to_n(const MP_INT *mp, size_t bytes);
extern chunk_t asn1_integer_from_mpz(const mpz_t value);
/* var := mod(base ** exp, mod), ensuring var is mpz_inited */
#define mpz_init_powm(flag, var, base, exp, mod) { \
if (!(flag)) \
mpz_init(&(var)); \
(flag) = TRUE; \
mpz_powm(&(var), &(base), &(exp), (mod)); \
}
#endif /* _MP_DEFS_H */
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