tls13_key_material.h
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1 /**
2  * @file tls13_key_material.h
3  * @brief TLS 1.3 key schedule
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneSSL Open.
12  *
13  * This program is free software; you can redistribute it and/or
14  * modify it under the terms of the GNU General Public License
15  * as published by the Free Software Foundation; either version 2
16  * of the License, or (at your option) any later version.
17  *
18  * This program is distributed in the hope that it will be useful,
19  * but WITHOUT ANY WARRANTY; without even the implied warranty of
20  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21  * GNU General Public License for more details.
22  *
23  * You should have received a copy of the GNU General Public License
24  * along with this program; if not, write to the Free Software Foundation,
25  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
26  *
27  * @author Oryx Embedded SARL (www.oryx-embedded.com)
28  * @version 2.4.0
29  **/
30 
31 #ifndef _TLS13_KEY_MATERIAL_H
32 #define _TLS13_KEY_MATERIAL_H
33 
34 //Dependencies
35 #include "tls.h"
36 
37 //C++ guard
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 //TLS 1.3 related functions
44  const HashAlgo *hash, const uint8_t *secret, size_t secretLen,
45  const char_t *label, const uint8_t *context, size_t contextLen,
46  uint8_t *output, size_t outputLen);
47 
48 error_t tls13DeriveSecret(TlsContext *context, const uint8_t *secret,
49  size_t secretLen, const char_t *label, const char_t *message,
50  size_t messageLen, uint8_t *output, size_t outputLen);
51 
56 
57 //C++ guard
58 #ifdef __cplusplus
59 }
60 #endif
61 
62 #endif
uint8_t message[]
Definition: chap.h:154
char char_t
Definition: compiler_port.h:48
error_t
Error codes.
Definition: error.h:43
Common interface for hash algorithms.
Definition: crypto.h:1014
error_t tls13GenerateClientAppTrafficKeys(TlsContext *context)
Compute client application traffic keys.
error_t tls13GenerateServerAppTrafficKeys(TlsContext *context)
Compute server application traffic keys.
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)
Derive-Secret function.
error_t tls13GenerateHandshakeTrafficKeys(TlsContext *context)
Compute handshake traffic keys.
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)
HKDF-Expand-Label function.
error_t tls13GenerateEarlyTrafficKeys(TlsContext *context)
Compute early traffic keys.
TLS (Transport Layer Security)
TlsTransportProtocol
TLS transport protocols.
Definition: tls.h:940
uint8_t secret[TLS_MASTER_SECRET_SIZE]
Master secret.
Definition: tls.h:1867
#define TlsContext
Definition: tls.h:36