/*

 * Copyright (C) 2000-2012 Free Software Foundation, Inc.

 *

 * Author: Nikos Mavrogiannopoulos

 *

 * This file is part of GnuTLS.

 *

 * The GnuTLS 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 program.  If not, see <https://www.gnu.org/licenses/>

 *

 */

#ifndef GNUTLS_LIB_MPI_H

#define GNUTLS_LIB_MPI_H

#include "gnutls_int.h"

#include <crypto-backend.h>

extern int crypto_bigint_prio;

extern gnutls_crypto_bigint_st _gnutls_mpi_ops;

bigint_t _gnutls_mpi_random_modp(bigint_t, bigint_t p,

			       gnutls_rnd_level_t level);

#define _gnutls_mpi_init _gnutls_mpi_ops.bigint_init

#define _gnutls_mpi_init_multi _gnutls_mpi_ops.bigint_init_multi

#define _gnutls_mpi_clear _gnutls_mpi_ops.bigint_clear

#define _gnutls_mpi_cmp _gnutls_mpi_ops.bigint_cmp

#define _gnutls_mpi_cmp_ui _gnutls_mpi_ops.bigint_cmp_ui

#define _gnutls_mpi_mod _gnutls_mpi_ops.bigint_mod

#define _gnutls_mpi_modm _gnutls_mpi_ops.bigint_modm

#define _gnutls_mpi_set _gnutls_mpi_ops.bigint_set

#define _gnutls_mpi_set_ui _gnutls_mpi_ops.bigint_set_ui

#define _gnutls_mpi_get_nbits _gnutls_mpi_ops.bigint_get_nbits

#define _gnutls_mpi_powm _gnutls_mpi_ops.bigint_powm

#define _gnutls_mpi_addm _gnutls_mpi_ops.bigint_addm

#define _gnutls_mpi_subm _gnutls_mpi_ops.bigint_subm

#define _gnutls_mpi_mulm _gnutls_mpi_ops.bigint_mulm

#define _gnutls_mpi_add _gnutls_mpi_ops.bigint_add

#define _gnutls_mpi_sub _gnutls_mpi_ops.bigint_sub

#define _gnutls_mpi_mul _gnutls_mpi_ops.bigint_mul

#define _gnutls_mpi_div _gnutls_mpi_ops.bigint_div

#define _gnutls_mpi_add_ui _gnutls_mpi_ops.bigint_add_ui

#define _gnutls_mpi_sub_ui _gnutls_mpi_ops.bigint_sub_ui

#define _gnutls_mpi_mul_ui _gnutls_mpi_ops.bigint_mul_ui

#define _gnutls_prime_check _gnutls_mpi_ops.bigint_prime_check

#define _gnutls_mpi_print(x,y,z) _gnutls_mpi_ops.bigint_print(x,y,z,GNUTLS_MPI_FORMAT_USG)

#define _gnutls_mpi_print_lz(x,y,z) _gnutls_mpi_ops.bigint_print(x,y,z,GNUTLS_MPI_FORMAT_STD)

#define _gnutls_mpi_print_le(x,y,z) _gnutls_mpi_ops.bigint_print(x,y,z,GNUTLS_MPI_FORMAT_ULE)

#define _gnutls_mpi_copy _gnutls_mpi_ops.bigint_copy

#define _gnutls_mpi_scan(r, b, s) _gnutls_mpi_ops.bigint_scan(r, b, s, GNUTLS_MPI_FORMAT_USG)

#define _gnutls_mpi_scan_le(r, b, s) _gnutls_mpi_ops.bigint_scan(r, b, s, GNUTLS_MPI_FORMAT_ULE)

inline static

void _gnutls_mpi_release(bigint_t * x)

{

	if (*x == NULL)

		return;

	_gnutls_mpi_ops.bigint_release(*x);

	*x = NULL;

}

int _gnutls_mpi_init_scan(bigint_t * ret_mpi, const void *buffer,

		     size_t nbytes);

int _gnutls_mpi_init_scan_nz(bigint_t * ret_mpi, const void *buffer,

			size_t nbytes);

int _gnutls_mpi_init_scan_le(bigint_t * ret_mpi, const void *buffer,

			     size_t nbytes);

int _gnutls_mpi_dprint_le(const bigint_t a, gnutls_datum_t * dest);

int _gnutls_mpi_dprint_lz(const bigint_t a, gnutls_datum_t * dest);

int _gnutls_mpi_dprint(const bigint_t a, gnutls_datum_t * dest);

int _gnutls_mpi_dprint_size(const bigint_t a, gnutls_datum_t * dest,

			    size_t size);

int _gnutls_mpi_bprint_size(const bigint_t a, uint8_t *buf, size_t size);

typedef int (*mpi_dprint_func)(const bigint_t a, gnutls_datum_t * dest);

#define _gnutls_mpi_generate_group( gg, bits) _gnutls_mpi_ops.bigint_generate_group( gg, bits)

#endif /* GNUTLS_LIB_MPI_H */