lib/auth_srp.h

   1 /*
   2  * Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation
   3  *
   4  * Author: Nikos Mavrogiannopoulos
   5  *
   6  * This file is part of GNUTLS.
   7  *
   8  * The GNUTLS library 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 2.1 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
  19  * License along with this library; if not, write to the Free Software
  20  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
  21  * USA
  22  *
  23  */
  24
  25 #ifndef AUTH_SRP_H
  26 # define AUTH_SRP_H
  27
  28 #include <gnutls_auth.h>
  29
  30 typedef struct gnutls_srp_client_credentials_st
  31 {
  32   char *username;
  33   char *password;
  34   gnutls_srp_client_credentials_function *get_function;
  35 } srp_client_credentials_st;
  36
  37 typedef struct gnutls_srp_server_credentials_st
  38 {
  39   char *password_file;
  40   char *password_conf_file;
  41   /* callback function, instead of reading the
  42    * password files.
  43    */
  44   gnutls_srp_server_credentials_function *pwd_callback;
  45 } srp_server_cred_st;
  46
  47 /* these structures should not use allocated data */
  48 typedef struct srp_server_auth_info_st
  49 {
  50   char username[MAX_SRP_USERNAME + 1];
  51 } *srp_server_auth_info_t;
  52
  53 extern const gnutls_datum_t gnutls_srp_1024_group_prime;
  54 extern const gnutls_datum_t gnutls_srp_1024_group_generator;
  55 extern const gnutls_datum_t gnutls_srp_1536_group_prime;
  56 extern const gnutls_datum_t gnutls_srp_1536_group_generator;
  57 extern const gnutls_datum_t gnutls_srp_2048_group_prime;
  58 extern const gnutls_datum_t gnutls_srp_2048_group_generator;
  59
  60
  61 #ifdef ENABLE_SRP
  62
  63 int _gnutls_proc_srp_server_hello (gnutls_session_t state,
  64                                    const opaque * data, size_t data_size);
  65 int _gnutls_gen_srp_server_hello (gnutls_session_t state, opaque * data,
  66                                   size_t data_size);
  67
  68 int _gnutls_gen_srp_server_kx (gnutls_session_t, opaque **);
  69 int _gnutls_gen_srp_client_kx (gnutls_session_t, opaque **);
  70
  71 int _gnutls_proc_srp_server_kx (gnutls_session_t, opaque *, size_t);
  72 int _gnutls_proc_srp_client_kx (gnutls_session_t, opaque *, size_t);
  73
  74 typedef struct srp_server_auth_info_st srp_server_auth_info_st;
  75
  76 #endif /* ENABLE_SRP */
  77
  78 #endif