egg/egg-dh.h

   1 /*
   2  * gnome-keyring
   3  *
   4  * Copyright (C) 2009 Stefan Walter
   5  *
   6  * This program is free software; you can redistribute it and/or modify
   7  * it under the terms of the GNU Lesser General Public License as
   8  * published by the Free Software Foundation; either version 2.1 of
   9  * the License, or (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful, but
  12  * WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14  * Lesser General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU Lesser General Public
  17  * License along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
  19  * MA 02110-1301 USA
  20  *
  21  * Author: Stef Walter <stefw@thewalter.net>
  22  */
  23
  24 #ifndef EGG_DH_H_
  25 #define EGG_DH_H_
  26
  27 #include <glib.h>
  28
  29 #include <gcrypt.h>
  30
  31 gboolean   egg_dh_default_params                              (const gchar *name,
  32                                                                gcry_mpi_t *prime,
  33                                                                gcry_mpi_t *base);
  34
  35 gboolean   egg_dh_default_params_raw                          (const gchar *name,
  36                                                                gconstpointer *prime,
  37                                                                gsize *n_prime,
  38                                                                gconstpointer *base,
  39                                                                gsize *n_base);
  40
  41 gboolean   egg_dh_gen_pair                                    (gcry_mpi_t prime,
  42                                                                gcry_mpi_t base,
  43                                                                guint bits,
  44                                                                gcry_mpi_t *pub,
  45                                                                gcry_mpi_t *priv);
  46
  47 gpointer   egg_dh_gen_secret                                  (gcry_mpi_t peer,
  48                                                                gcry_mpi_t priv,
  49                                                                gcry_mpi_t prime,
  50                                                                gsize *bytes);
  51
  52 #endif /* EGG_DH_H_ */