/*
 * Copyright (C) 2002, 2003, 2004, 2005, 2010 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 library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
 * USA
 *
 */

/* signature algorithms extension
 */
#ifndef EXT_SIGNATURE_H
#define EXT_SIGNATURE_H

#include <gnutls_extensions.h>

extern extension_entry_st ext_mod_sig;

int _gnutls_session_sign_algo_requested (gnutls_session_t session,
                                         gnutls_sign_algorithm_t sig);
gnutls_sign_algorithm_t
_gnutls_session_get_sign_algo (gnutls_session_t session, gnutls_cert* cert);
int _gnutls_sign_algorithm_parse_data (gnutls_session_t session,
                                       const opaque * data, size_t data_size);
int _gnutls_sign_algorithm_write_params (gnutls_session_t session,
                                         opaque * data, size_t max_data_size);
int _gnutls_session_sign_algo_enabled (gnutls_session_t session,
                                       gnutls_sign_algorithm_t sig);
int cert_compatible_with_sig(gnutls_cert* cert, gnutls_protocol_t ver, 
  gnutls_sign_algorithm_t sign);

#endif