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/*
* Copyright (C) 2001, 2002, 2003, 2004, 2005 Free Software Foundation
*
* Author: Nikos Mavroyanopoulos <nmav@hellug.gr>
*
* This file is part of GNUTLS.
*
* The GNUTLS library 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 library 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 library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
* USA
*
*/
#ifndef AUTH_SRP_H
# define AUTH_SRP_H
#include <gnutls_auth.h>
typedef int gnutls_srp_server_credentials_function(gnutls_session_t,
const char *username,
gnutls_datum_t * salt,
gnutls_datum_t *
verifier,
gnutls_datum_t *
generator,
gnutls_datum_t * prime);
typedef int gnutls_srp_client_credentials_function(gnutls_session_t,
unsigned int times,
char **username,
char **password);
typedef struct {
char *username;
char *password;
gnutls_srp_client_credentials_function *get_function;
} srp_client_credentials_st;
#define gnutls_srp_client_credentials_t srp_client_credentials_st*
typedef struct {
char *password_file;
char *password_conf_file;
/* callback function, instead of reading the
* password files.
*/
gnutls_srp_server_credentials_function *pwd_callback;
} srp_server_cred_st;
#define gnutls_srp_server_credentials_t srp_server_cred_st*
/* these structures should not use allocated data */
typedef struct srp_server_auth_info_st {
char username[MAX_SRP_USERNAME];
} *srp_server_auth_info_t;
extern const gnutls_datum_t gnutls_srp_1024_group_prime;
extern const gnutls_datum_t gnutls_srp_1024_group_generator;
extern const gnutls_datum_t gnutls_srp_1536_group_prime;
extern const gnutls_datum_t gnutls_srp_1536_group_generator;
extern const gnutls_datum_t gnutls_srp_2048_group_prime;
extern const gnutls_datum_t gnutls_srp_2048_group_generator;
#ifdef ENABLE_SRP
int _gnutls_proc_srp_server_hello(gnutls_session_t state,
const opaque * data, size_t data_size);
int _gnutls_gen_srp_server_hello(gnutls_session_t state, opaque * data,
size_t data_size);
int _gnutls_gen_srp_server_kx(gnutls_session_t, opaque **);
int _gnutls_gen_srp_client_kx(gnutls_session_t, opaque **);
int _gnutls_proc_srp_server_kx(gnutls_session_t, opaque *, size_t);
int _gnutls_proc_srp_client_kx(gnutls_session_t, opaque *, size_t);
typedef struct srp_server_auth_info_st srp_server_auth_info_st;
#endif /* ENABLE_SRP */
#endif
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