ipsec_anti_replay.h
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1 /**
2  * @file ipsec_anti_replay.h
3  * @brief Anti-replay mechanism
4  *
5  * @section License
6  *
7  * SPDX-License-Identifier: GPL-2.0-or-later
8  *
9  * Copyright (C) 2022-2024 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 2.4.4
29  **/
30 
31 #ifndef _IPSEC_ANTI_REPLAY_H
32 #define _IPSEC_ANTI_REPLAY_H
33 
34 //Dependencies
35 #include "ipsec/ipsec.h"
36 
37 //C++ guard
38 #ifdef __cplusplus
39 extern "C" {
40 #endif
41 
42 //IPsec related functions
45 void ipsecUpdateReplayWindow(IpsecSadEntry *sa, uint64_t seqNum);
46 
47 //C++ guard
48 #ifdef __cplusplus
49 }
50 #endif
51 
52 #endif
void ipsecInitReplayWindow(IpsecSadEntry *sa)
Initialize sliding window.
error_t
Error codes.
Definition: error.h:43
uint32_t seqNum
Definition: tcp.h:341
#define IpsecSadEntry
Definition: ipsec.h:36
IPsec (IP security)
void ipsecUpdateReplayWindow(IpsecSadEntry *sa, uint64_t seqNum)
Update sliding window.
error_t ipsecCheckReplayWindow(const IpsecSadEntry *sa, uint64_t seqNum)
Perform replay detection.