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/*
* Copyright (C) 2001-2012 Free Software Foundation, Inc.
*
* Author: Nikos Mavrogiannopoulos
*
* This file is part of GnuTLS.
*
* The GnuTLS 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 program. If not, see <https://www.gnu.org/licenses/>
*
*/
#ifndef GNUTLS_LIB_AUTH_SRP_KX_H
#define GNUTLS_LIB_AUTH_SRP_KX_H
#include <auth.h>
#define MAX_FAKE_SALT_SEED_SIZE 64
typedef struct gnutls_srp_client_credentials_st {
char *username;
char *password;
gnutls_srp_client_credentials_function *get_function;
} srp_client_credentials_st;
typedef struct gnutls_srp_server_credentials_st {
char *password_file;
char *password_conf_file;
/* callback function, instead of reading the
* password files.
*/
gnutls_srp_server_credentials_function *pwd_callback;
unsigned char fake_salt_seed[MAX_FAKE_SALT_SEED_SIZE];
unsigned int fake_salt_seed_size;
unsigned int fake_salt_length;
} srp_server_cred_st;
typedef struct srp_server_auth_info_st {
char *username;
} *srp_server_auth_info_t;
#ifdef ENABLE_SRP
int _gnutls_proc_srp_server_hello(gnutls_session_t state,
const uint8_t * data, size_t data_size);
int _gnutls_gen_srp_server_hello(gnutls_session_t state, uint8_t * data,
size_t data_size);
int _gnutls_gen_srp_server_kx(gnutls_session_t, gnutls_buffer_st *);
int _gnutls_gen_srp_client_kx(gnutls_session_t, gnutls_buffer_st *);
int _gnutls_proc_srp_server_kx(gnutls_session_t, uint8_t *, size_t);
int _gnutls_proc_srp_client_kx(gnutls_session_t, uint8_t *, size_t);
typedef struct srp_server_auth_info_st srp_server_auth_info_st;
/* MAC algorithm used to generate fake salts for unknown usernames
*/
#define SRP_FAKE_SALT_MAC GNUTLS_MAC_SHA1
#endif /* ENABLE_SRP */
#endif /* GNUTLS_LIB_AUTH_SRP_KX_H */
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