tls13_client_extensions.h

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/**
 * @file tls13_client_extensions.h
 * @brief Formatting and parsing of extensions (TLS 1.3 client)
 *
 * @section License
 *
 * SPDX-License-Identifier: GPL-2.0-or-later
 *
 * Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.
 *
 * This file is part of CycloneSSL Open.
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version 2
 * of the License, or (at your option) any later version.
 *
 * This program 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 General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
 *
 * @author Oryx Embedded SARL (www.oryx-embedded.com)
 * @version 2.5.0
 **/
 
#ifndef _TLS13_CLIENT_EXTENSIONS_H
#define _TLS13_CLIENT_EXTENSIONS_H
 
//Dependencies
#include "tls.h"
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
//TLS 1.3 client specific functions
error_t tls13FormatCookieExtension(TlsContext *context, uint8_t *p,
   size_t *written);
 
error_t tls13FormatClientKeyShareExtension(TlsContext *context,
   uint8_t *p, size_t *written);
 
error_t tls13FormatPskKeModesExtension(TlsContext *context,
   uint8_t *p, size_t *written);
 
error_t tls13FormatClientPreSharedKeyExtension(TlsContext *context,
   uint8_t *p, size_t *written, Tls13PskIdentityList **identityList,
   Tls13PskBinderList **binderList);
 
error_t tls13FormatClientEarlyDataExtension(TlsContext *context,
   uint8_t *p, size_t *written);
 
error_t tls13ParseServerSupportedVersionsExtension(TlsContext *context,
   const TlsExtension *selectedVersion);
 
error_t tls13ParseCookieExtension(TlsContext *context,
   const Tls13Cookie *cookie);
 
error_t tls13ParseSelectedGroupExtension(TlsContext *context,
   const TlsExtension *selectedGroup);
 
error_t tls13ParseServerKeyShareExtension(TlsContext *context,
   const Tls13KeyShareEntry *serverShare);
 
error_t tls13ParseServerPreSharedKeyExtension(TlsContext *context,
   const TlsExtension *selectedIdentity);
 
error_t tls13ParseServerEarlyDataExtension(TlsContext *context,
   TlsMessageType msgType, const TlsExtension *earlyDataIndication);
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif