ntru_poly.h

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/*
 * Copyright (C) 2014 FH Bielefeld
 *
 * This file is part of a FH Bielefeld project.
 *
 * 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., 51 Franklin Street, Fifth Floor, Boston,
 * MA  02110-1301  USA
 */

#ifndef NTRU_POLY_H
#define NTRU_POLY_H

#include "ntru_err.h"
#include "ntru_params.h"

#include <stdarg.h>
#include <stdbool.h>
#include <stdint.h>
#include <stdlib.h>

#include <fmpz_poly.h>


int
fmpz_cmp_si_n(const fmpz_t f, slong g);

void
poly_new(fmpz_poly_t new_poly,
        int const * const c,
        const size_t len);

void
poly_delete(fmpz_poly_t poly);

void
poly_delete_array(fmpz_poly_t **poly_array);

void
poly_delete_all(fmpz_poly_t poly, ...);

void
fmpz_poly_mod_unsigned(fmpz_poly_t a,
        const uint32_t mod);

void
fmpz_poly_mod(fmpz_poly_t a,
        const uint32_t mod);

void
fmpz_poly_set_coeff_fmpz_n(fmpz_poly_t poly,
        slong n,
        const fmpz_t x);

int
fmpz_invmod_ui(fmpz_t f,
        const fmpz_t g,
        const uint32_t mod);

void
fmpz_add_n(fmpz_t f, const fmpz_t g, const fmpz_t h);

void
poly_starmultiply(const fmpz_poly_t a,
        const fmpz_poly_t b,
        fmpz_poly_t c,
        const ntru_params *params,
        uint32_t modulus);

bool
poly_inverse_poly_q(const fmpz_poly_t a,
        fmpz_poly_t Fq,
        const ntru_params *params);

bool
poly_inverse_poly_p(const fmpz_poly_t a,
        fmpz_poly_t Fp,
        const ntru_params *params);

void
poly_draw(const fmpz_poly_t poly);

void
poly_draw_pretty(const fmpz_poly_t poly);


#endif /* NTRU_POLY_H */