Functions
ipsec_anti_replay.c File Reference

Anti-replay mechanism. More...

#include "ipsec/ipsec.h"
#include "ipsec/ipsec_anti_replay.h"

Go to the source code of this file.

Functions

void ipsecInitReplayWindow (IpsecSadEntry *sa)
 Initialize sliding window. More...
 
error_t ipsecCheckReplayWindow (const IpsecSadEntry *sa, uint64_t seqNum)
 Perform replay detection. More...
 
void ipsecUpdateReplayWindow (IpsecSadEntry *sa, uint64_t seqNum)
 Update sliding window. More...
 

Detailed Description

Anti-replay mechanism.

License

SPDX-License-Identifier: GPL-2.0-or-later

Copyright (C) 2022-2025 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneIPSEC Open.

This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.

This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.

You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.

Author
Oryx Embedded SARL (www.oryx-embedded.com)
Version
2.5.4

Definition in file ipsec_anti_replay.c.

Function Documentation

◆ ipsecCheckReplayWindow()

error_t ipsecCheckReplayWindow ( const IpsecSadEntry *  sa,
uint64_t  seqNum 
)

Perform replay detection.

Parameters
[in]saPointer to the security association
[in]seqNumSequence number of the received packet
Returns
Error code

Definition at line 65 of file ipsec_anti_replay.c.

◆ ipsecInitReplayWindow()

void ipsecInitReplayWindow ( IpsecSadEntry *  sa)

Initialize sliding window.

Parameters
[in]saPointer to the security association

Definition at line 44 of file ipsec_anti_replay.c.

◆ ipsecUpdateReplayWindow()

void ipsecUpdateReplayWindow ( IpsecSadEntry *  sa,
uint64_t  seqNum 
)

Update sliding window.

Parameters
[in]saPointer to the security association
[in]seqNumSequence number of the received packet

Definition at line 152 of file ipsec_anti_replay.c.