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/*
* Copyright (C) 2005-2012 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 <http://www.gnu.org/licenses/>
*
*/
#ifndef AUTH_PSK_H
#define AUTH_PSK_H
#include <gnutls_auth.h>
#include <auth/dh_common.h>
typedef struct gnutls_psk_client_credentials_st
{
gnutls_datum_t username;
gnutls_datum_t key;
gnutls_psk_client_credentials_function *get_function;
} psk_client_credentials_st;
typedef struct gnutls_psk_server_credentials_st
{
char *password_file;
/* callback function, instead of reading the
* password files.
*/
gnutls_psk_server_credentials_function *pwd_callback;
/* For DHE_PSK */
gnutls_dh_params_t dh_params;
/* this callback is used to retrieve the DH or RSA
* parameters.
*/
gnutls_params_function *params_func;
/* Identity hint. */
char *hint;
} psk_server_cred_st;
/* these structures should not use allocated data */
typedef struct psk_auth_info_st
{
char username[MAX_USERNAME_SIZE + 1];
dh_info_st dh;
char hint[MAX_USERNAME_SIZE + 1];
} *psk_auth_info_t;
#ifdef ENABLE_PSK
typedef struct psk_auth_info_st psk_auth_info_st;
int
_gnutls_set_psk_session_key (gnutls_session_t session, gnutls_datum_t* key, gnutls_datum_t * psk2);
int _gnutls_find_psk_key( gnutls_session_t session, gnutls_psk_client_credentials_t cred,
gnutls_datum_t * username, gnutls_datum_t* key, int* free);
#else
#define _gnutls_set_psk_session_key(x,y,z) GNUTLS_E_UNIMPLEMENTED_FEATURE
#endif /* ENABLE_PSK */
#endif
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