ike_key_exchange.h
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1 /**
2  * @file ike_key_exchange.h
3  * @brief Diffie-Hellman key exchange
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2022-2026 Oryx Embedded SARL. All rights reserved.
10  *
11  * This file is part of CycloneIPSEC 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 2.6.6
29  **/
30 
31 #ifndef _IKE_KEY_EXCHANGE_H
32 #define _IKE_KEY_EXCHANGE_H
33 
34 //Dependencies
35 #include "ike/ike.h"
36 
37 //C++ guard
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 //IKE related functions
43 void ikeInitKeContext(IkeKeContext *keContext);
44 void ikeFreeKeContext(IkeKeContext *keContext);
45 
46 error_t ikeGenerateKeyPair(IkeKeContext *keContext, const PrngAlgo *prngAlgo,
47  void *prngContext);
48 
49 error_t ikeComputeSharedSecret(IkeKeContext *keContext, uint8_t *output,
50  size_t *outputLen);
51 
52 error_t ikeFormatPublicKey(IkeKeContext *keContext, uint8_t *p,
53  size_t *written);
54 
55 error_t ikeParsePublicKey(IkeKeContext *keContext, const uint8_t *p,
56  size_t length);
57 
58 //C++ guard
59 #ifdef __cplusplus
60 }
61 #endif
62 
63 #endif
#define PrngAlgo
Definition: crypto.h:1140
uint8_t p
Definition: ndp.h:300
error_t ikeComputeSharedSecret(IkeKeContext *keContext, uint8_t *output, size_t *outputLen)
Compute shared secret.
void ikeInitKeContext(IkeKeContext *keContext)
Initialize key exchange context.
error_t ikeParsePublicKey(IkeKeContext *keContext, const uint8_t *p, size_t length)
Parse peer's public key.
error_t
Error codes.
Definition: error.h:43
uint8_t length
Definition: tcp.h:375
void ikeFreeKeContext(IkeKeContext *keContext)
Release key exchange context.
IKEv2 (Internet Key Exchange Protocol)
error_t ikeGenerateKeyPair(IkeKeContext *keContext, const PrngAlgo *prngAlgo, void *prngContext)
Key pair generation.
Key exchange context.
Definition: ike.h:1815
error_t ikeFormatPublicKey(IkeKeContext *keContext, uint8_t *p, size_t *written)
Format public key.