lib/auth_dh_common.h

   1 /*
   2  * Copyright (C) 2002, 2003, 2004, 2005, 2010 Free Software Foundation,
   3  * Inc.
   4  *
   5  * Author: Nikos Mavrogiannopoulos
   6  *
   7  * This file is part of GnuTLS.
   8  *
   9  * The GnuTLS is free software; you can redistribute it and/or
  10  * modify it under the terms of the GNU Lesser General Public License
  11  * as published by the Free Software Foundation; either version 2.1 of
  12  * the License, or (at your option) any later version.
  13  *
  14  * This library is distributed in the hope that it will be useful, but
  15  * WITHOUT ANY WARRANTY; without even the implied warranty of
  16  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  17  * Lesser General Public License for more details.
  18  *
  19  * You should have received a copy of the GNU Lesser General Public
  20  * License along with this library; if not, write to the Free Software
  21  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  22  * USA
  23  *
  24  */
  25
  26 #ifndef AUTH_DH_COMMON
  27 #define AUTH_DH_COMMON
  28
  29 #include <gnutls_auth.h>
  30
  31 typedef struct
  32 {
  33   int secret_bits;
  34
  35   gnutls_datum_t prime;
  36   gnutls_datum_t generator;
  37   gnutls_datum_t public_key;
  38 } dh_info_st;
  39
  40 void _gnutls_free_dh_info (dh_info_st * dh);
  41 int _gnutls_gen_dh_common_client_kx_int (gnutls_session_t, gnutls_buffer_st*, gnutls_datum_t *pskkey);
  42 int _gnutls_gen_dh_common_client_kx (gnutls_session_t, gnutls_buffer_st*);
  43 int _gnutls_proc_dh_common_client_kx (gnutls_session_t session,
  44                                       opaque * data, size_t _data_size,
  45                                       bigint_t p, bigint_t g);
  46 int _gnutls_dh_common_print_server_kx (gnutls_session_t, bigint_t g,
  47                                        bigint_t p, gnutls_buffer_st* data, int psk);
  48 int _gnutls_proc_dh_common_server_kx (gnutls_session_t session, opaque * data,
  49                                       size_t _data_size, int psk);
  50
  51 #endif