lib/ext/safe_renegotiation.h

   1 /*
   2  * Copyright (C) 2009-2012 Free Software Foundation, Inc.
   3  *
   4  * Author: Steve Dispensa (<dispensa@phonefactor.com>)
   5  *
   6  * This file is part of GnuTLS.
   7  *
   8  * The GnuTLS is free software; you can redistribute it and/or
   9  * modify it under the terms of the GNU Lesser General Public License
  10  * as published by the Free Software Foundation; either version 3 of
  11  * the License, or (at your option) any later version.
  12  *
  13  * This library is distributed in the hope that it will be useful, but
  14  * WITHOUT ANY WARRANTY; without even the implied warranty of
  15  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  16  * Lesser General Public License for more details.
  17  *
  18  * You should have received a copy of the GNU Lesser General Public License
  19  * along with this program.  If not, see <http://www.gnu.org/licenses/>
  20  *
  21  */
  22
  23 #ifndef EXT_SAFE_RENEGOTIATION_H
  24 #define EXT_SAFE_RENEGOTIATION_H
  25
  26 #include <gnutls_extensions.h>
  27
  28 typedef struct
  29 {
  30   uint8_t client_verify_data[MAX_VERIFY_DATA_SIZE];
  31   size_t client_verify_data_len;
  32   uint8_t server_verify_data[MAX_VERIFY_DATA_SIZE];
  33   size_t server_verify_data_len;
  34   uint8_t ri_extension_data[MAX_VERIFY_DATA_SIZE * 2];  /* max signal is 72 bytes in s->c sslv3 */
  35   size_t ri_extension_data_len;
  36
  37   unsigned int safe_renegotiation_received:1;
  38   unsigned int initial_negotiation_completed:1;
  39   unsigned int connection_using_safe_renegotiation:1;
  40 } sr_ext_st;
  41
  42 extern extension_entry_st ext_mod_sr;
  43
  44 int _gnutls_ext_sr_finished (gnutls_session_t session, void *vdata,
  45                              size_t vdata_size, int dir);
  46 int _gnutls_ext_sr_recv_cs (gnutls_session_t session);
  47 int _gnutls_ext_sr_verify (gnutls_session_t session);
  48 int _gnutls_ext_sr_send_cs (gnutls_session_t);
  49
  50 #endif /* EXT_SAFE_RENEGOTIATION_H */