tls_transcript_hash.h
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1 /**
2  * @file tls_transcript_hash.h
3  * @brief Transcript hash calculation
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2010-2019 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 1.9.6
29  **/
30 
31 #ifndef _TLS_TRANSCRIPT_HASH_H
32 #define _TLS_TRANSCRIPT_HASH_H
33 
34 //Dependencies
35 #include "tls.h"
36 
37 //C++ guard
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 //TLS related functions
44 
45 void tlsUpdateTranscriptHash(TlsContext *context, const void *data,
46  size_t length);
47 
49  const void *hashContext, const char_t *label, uint8_t *output);
50 
51 void tlsFreeTranscriptHash(TlsContext *context);
52 
54  uint8_t *verifyData, size_t *verifyDataLen);
55 
56 //C++ guard
57 #ifdef __cplusplus
58 }
59 #endif
60 
61 #endif
void tlsUpdateTranscriptHash(TlsContext *context, const void *data, size_t length)
Update hash value with a handshake message.
uint8_t length
Definition: dtls_misc.h:149
TlsConnectionEnd
TLS connection end.
Definition: tls.h:859
error_t tlsComputeVerifyData(TlsContext *context, TlsConnectionEnd entity, uint8_t *verifyData, size_t *verifyDataLen)
Compute verify data from previous handshake messages.
void tlsFreeTranscriptHash(TlsContext *context)
Release transcript hash context.
#define TlsContext
Definition: tls.h:36
error_t
Error codes.
Definition: error.h:42
error_t tlsInitTranscriptHash(TlsContext *context)
Initialize handshake message hashing.
error_t tlsFinalizeTranscriptHash(TlsContext *context, const HashAlgo *hash, const void *hashContext, const char_t *label, uint8_t *output)
Finalize hash calculation from previous handshake messages.
uint8_t hash
Definition: tls.h:1369
char char_t
Definition: compiler_port.h:43
TLS (Transport Layer Security)
Common interface for hash algorithms.
Definition: crypto.h:1128
uint8_t data[]
Definition: dtls_misc.h:176