lib/auth/dh_common.h

   1 /*
   2  * Copyright (C) 2002-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef AUTH_DH_COMMON
  24 #define AUTH_DH_COMMON
  25
  26 #include <gnutls_auth.h>
  27
  28 typedef struct
  29 {
  30   int secret_bits;
  31
  32   gnutls_datum_t prime;
  33   gnutls_datum_t generator;
  34   gnutls_datum_t public_key;
  35 } dh_info_st;
  36
  37 void _gnutls_free_dh_info (dh_info_st * dh);
  38 int _gnutls_gen_dh_common_client_kx_int (gnutls_session_t, gnutls_buffer_st*, gnutls_datum_t *pskkey);
  39 int _gnutls_gen_dh_common_client_kx (gnutls_session_t, gnutls_buffer_st*);
  40 int _gnutls_proc_dh_common_client_kx (gnutls_session_t session,
  41                                       uint8_t * data, size_t _data_size,
  42                                       bigint_t p, bigint_t g,
  43                                       gnutls_datum_t* psk_key);
  44 int _gnutls_dh_common_print_server_kx (gnutls_session_t, bigint_t g,
  45                                        bigint_t p, unsigned int q_bits,
  46                                        gnutls_buffer_st* data);
  47 int _gnutls_proc_dh_common_server_kx (gnutls_session_t session, uint8_t * data,
  48                                       size_t _data_size);
  49
  50 #endif