/**
 * @file tls13_key_material.h
 * @brief TLS 1.3 key schedule
 *
 * @section License
 *
 * Copyright (C) 2021-2026 Oryx Embedded SARL. All rights reserved.
 *
 * This file is part of CycloneSSL Eval
 * 
 * This software is provided in source form for a short-term evaluation only. The
 * evaluation license expires 90 days after the date you first download the software.
 *
 * If you plan to use this software in a commercial product, you are required to
 * purchase a commercial license from Oryx Embedded SARL.
 *
 * After the 90-day evaluation period, you agree to either purchase a commercial
 * license or delete all copies of this software. If you wish to extend the
 * evaluation period, you must contact sales@oryx-embedded.com.
 *
 * This evaluation software is provided "as is" without warranty of any kind.
 * Technical support is available as an option during the evaluation period.

 *
 * @author Oryx Embedded SARL (www.oryx-embedded.com)
 * @version 2.6.2
 **/

#ifndef _TLS13_KEY_MATERIAL_H
#define _TLS13_KEY_MATERIAL_H

//Dependencies
#include "tls/tls.h"

//C++ guard
#ifdef __cplusplus
extern "C" {
#endif

//TLS 1.3 related functions
error_t tls13HkdfExpandLabel(TlsTransportProtocol transportProtocol,
   const HashAlgo *hash, const uint8_t *secret, size_t secretLen,
   const char_t *label, const uint8_t *context, size_t contextLen,
   uint8_t *output, size_t outputLen);

error_t tls13DeriveSecret(TlsContext *context, const uint8_t *secret,
   size_t secretLen, const char_t *label, const char_t *message,
   size_t messageLen, uint8_t *output, size_t outputLen);

error_t tls13GenerateEarlyTrafficKeys(TlsContext *context);
error_t tls13GenerateHandshakeTrafficKeys(TlsContext *context);
error_t tls13GenerateServerAppTrafficKeys(TlsContext *context);
error_t tls13GenerateClientAppTrafficKeys(TlsContext *context);

//C++ guard
#ifdef __cplusplus
}
#endif

#endif
