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  * Copyright (C) 2010-2018 Oryx Embedded SARL. All rights reserved.
8  *
9  * This file is part of CycloneSSL Open.
10  *
11  * This program is free software; you can redistribute it and/or
12  * modify it under the terms of the GNU General Public License
13  * as published by the Free Software Foundation; either version 2
14  * of the License, or (at your option) any later version.
15  *
16  * This program is distributed in the hope that it will be useful,
17  * but WITHOUT ANY WARRANTY; without even the implied warranty of
18  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19  * GNU General Public License for more details.
20  *
21  * You should have received a copy of the GNU General Public License
22  * along with this program; if not, write to the Free Software Foundation,
23  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
24  *
25  * @author Oryx Embedded SARL (www.oryx-embedded.com)
26  * @version 1.9.0
27  **/
28 
29 #ifndef _TLS_TRANSCRIPT_HASH_H
30 #define _TLS_TRANSCRIPT_HASH_H
31 
32 //Dependencies
33 #include "tls.h"
34 
35 //C++ guard
36 #ifdef __cplusplus
37  extern "C" {
38 #endif
39 
40 //TLS related functions
42 
43 void tlsUpdateTranscriptHash(TlsContext *context, const void *data,
44  size_t length);
45 
47  const void *hashContext, const char_t *label, uint8_t *output);
48 
49 void tlsFreeTranscriptHash(TlsContext *context);
50 
52  uint8_t *verifyData, size_t *verifyDataLen);
53 
54 //C++ guard
55 #ifdef __cplusplus
56  }
57 #endif
58 
59 #endif
TLS (Transport Layer Security)
char char_t
Definition: compiler_port.h:41
uint8_t hash
Definition: tls.h:1363
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.
void tlsUpdateTranscriptHash(TlsContext *context, const void *data, size_t length)
Update hash value with a handshake message.
error_t tlsComputeVerifyData(TlsContext *context, TlsConnectionEnd entity, uint8_t *verifyData, size_t *verifyDataLen)
Compute verify data from previous handshake messages.
error_t
Error codes.
Definition: error.h:40
error_t tlsInitTranscriptHash(TlsContext *context)
Initialize handshake message hashing.
uint8_t data[]
Definition: dtls_misc.h:167
TlsConnectionEnd
TLS connection end.
Definition: tls.h:855
void tlsFreeTranscriptHash(TlsContext *context)
Release transcript hash context.
Common interface for hash algorithms.
Definition: crypto.h:1054
uint8_t length
Definition: dtls_misc.h:140
#define TlsContext
Definition: tls.h:34