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/*
 * gnome-keyring
 *
 * Copyright (C) 2009 Stefan Walter
 * 
 * This program 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 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
 * 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, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301 USA
 *
 * Author: Stef Walter <stefw@thewalter.net>
 */

#ifndef EGG_DH_H_
#define EGG_DH_H_

#include <glib.h>

#include <gcrypt.h>

gboolean   egg_dh_default_params                              (const gchar *name,
                                                               gcry_mpi_t *prime,
                                                               gcry_mpi_t *base);

gboolean   egg_dh_default_params_raw                          (const gchar *name,
                                                               gconstpointer *prime,
                                                               gsize *n_prime,
                                                               gconstpointer *base,
                                                               gsize *n_base);

gboolean   egg_dh_gen_pair                                    (gcry_mpi_t prime,
                                                               gcry_mpi_t base,
                                                               guint bits,
                                                               gcry_mpi_t *pub,
                                                               gcry_mpi_t *priv);

gpointer   egg_dh_gen_secret                                  (gcry_mpi_t peer,
                                                               gcry_mpi_t priv,
                                                               gcry_mpi_t prime,
                                                               gsize *bytes);

#endif /* EGG_DH_H_ */