/*
 * Copyright (C) 2009, 2010 Free Software Foundation, Inc.
 *
 * Author: Steve Dispensa (<dispensa@phonefactor.com>)
 *
 * 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
 *
 */

#ifndef EXT_SAFE_RENEGOTIATION_H
# define EXT_SAFE_RENEGOTIATION_H

#include <gnutls_extensions.h>

typedef struct {
  uint8_t client_verify_data[MAX_VERIFY_DATA_SIZE];
  size_t client_verify_data_len;
  uint8_t server_verify_data[MAX_VERIFY_DATA_SIZE];
  size_t server_verify_data_len;
  uint8_t ri_extension_data[MAX_VERIFY_DATA_SIZE * 2];  /* max signal is 72 bytes in s->c sslv3 */
  size_t ri_extension_data_len;

  int safe_renegotiation_received:1;
  int initial_negotiation_completed:1;
  int connection_using_safe_renegotiation:1;
} sr_ext_st;

extern extension_entry_st ext_mod_sr;

int _gnutls_ext_sr_finished( gnutls_session_t session, void* vdata, 
    size_t vdata_size, int dir);
int _gnutls_ext_sr_recv_cs(gnutls_session_t session);
int _gnutls_ext_sr_verify(gnutls_session_t session);
int _gnutls_ext_sr_send_cs(gnutls_session_t);

#endif /* EXT_SAFE_RENEGOTIATION_H */