tls_key_material.h
Go to the documentation of this file.
1 /**
2  * @file tls_key_material.h
3  * @brief Key material generation
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_KEY_MATERIAL_H
30 #define _TLS_KEY_MATERIAL_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
45 error_t tlsGenerateKeyBlock(TlsContext *context, size_t keyBlockLen);
46 
47 error_t tlsExportKeyingMaterial(TlsContext *context, const char_t *label,
48  bool_t useContextValue, const uint8_t *contextValue,
49  size_t contextValueLen, uint8_t *output, size_t outputLen);
50 
51 error_t tlsPrf(const uint8_t *secret, size_t secretLen, const char_t *label,
52  const uint8_t *seed, size_t seedLen, uint8_t *output, size_t outputLen);
53 
54 error_t tls12Prf(const HashAlgo *hash, const uint8_t *secret,
55  size_t secretLen, const char_t *label, const uint8_t *seed,
56  size_t seedLen, uint8_t *output, size_t outputLen);
57 
58 void tlsDumpSecret(TlsContext *context, const char_t *label,
59  const uint8_t *secret, size_t secretLen);
60 
61 //C++ guard
62 #ifdef __cplusplus
63  }
64 #endif
65 
66 #endif
TLS (Transport Layer Security)
char char_t
Definition: compiler_port.h:41
error_t tlsExportKeyingMaterial(TlsContext *context, const char_t *label, bool_t useContextValue, const uint8_t *contextValue, size_t contextValueLen, uint8_t *output, size_t outputLen)
Export keying material per RFC 5705 standard.
uint8_t hash
Definition: tls.h:1363
void tlsDumpSecret(TlsContext *context, const char_t *label, const uint8_t *secret, size_t secretLen)
Dump secret key (for debugging purpose only)
error_t tlsGeneratePskPremasterSecret(TlsContext *context)
Premaster secret generation (for PSK cipher suites)
error_t tlsGenerateSessionKeys(TlsContext *context)
Generate session keys.
error_t tls12Prf(const HashAlgo *hash, const uint8_t *secret, size_t secretLen, const char_t *label, const uint8_t *seed, size_t seedLen, uint8_t *output, size_t outputLen)
Pseudorandom function (TLS 1.2)
error_t
Error codes.
Definition: error.h:40
error_t tlsPrf(const uint8_t *secret, size_t secretLen, const char_t *label, const uint8_t *seed, size_t seedLen, uint8_t *output, size_t outputLen)
Pseudorandom function (TLS 1.0 and 1.1)
error_t tlsGenerateKeyBlock(TlsContext *context, size_t keyBlockLen)
Key expansion function.
error_t tlsGenerateMasterSecret(TlsContext *context)
Master secret computation.
error_t tlsGenerateExtendedMasterSecret(TlsContext *context)
Extended master secret computation.
Common interface for hash algorithms.
Definition: crypto.h:1054
#define TlsContext
Definition: tls.h:34
int bool_t
Definition: compiler_port.h:47