ike_message_encrypt.c File Reference

IKE message encryption. More...

#include "ike/ike.h"
#include "ike/ike_message_encrypt.h"
#include "ike/ike_debug.h"
#include "cipher/cipher_algorithms.h"
#include "cipher_modes/cipher_modes.h"
#include "aead/aead_algorithms.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   IKE_TRACE_LEVEL

Functions
error_t	ikeEncryptMessage (IkeSaEntry *sa, uint8_t *message, size_t *messageLen)
	Encrypt an outgoing IKE message. More...
error_t	ikeComputeChecksum (IkeSaEntry *sa, const uint8_t *message, size_t length, uint8_t *icv)
	Compute ICV checksum. More...
size_t	ikePadPayload (IkeSaEntry *sa, uint8_t *data, size_t length)
	Append Padding and Pad Length fields. More...
void	ikeGenerateIv (uint8_t *iv)
	IV generation. More...

Detailed Description

IKE message encryption.

License

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

Copyright (C) 2022-2024 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

2.4.0

Definition in file ike_message_encrypt.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   IKE_TRACE_LEVEL

Definition at line 32 of file ike_message_encrypt.c.

Function Documentation

ikeComputeChecksum()

error_t ikeComputeChecksum	(	IkeSaEntry *	sa,
		const uint8_t *	message,
		size_t	length,
		uint8_t *	icv
	)

Compute ICV checksum.

Parameters

[in]	sa	Pointer to the IKE SA
[in]	message	Pointer to the message
[in]	length	Length of the message, in bytes
[out]	icv	Integrity Checksum Value (ICV)

Returns

Error code

Definition at line 372 of file ike_message_encrypt.c.

ikeEncryptMessage()

error_t ikeEncryptMessage	(	IkeSaEntry *	sa,
		uint8_t *	message,
		size_t *	messageLen
	)

Encrypt an outgoing IKE message.

Parameters

[in]	sa	Pointer to the IKE SA
[in,out]	message	IKE message to be encrypted
[in,out]	messageLen	Actual length of the IKE message

Returns

Error code

Definition at line 55 of file ike_message_encrypt.c.

ikeGenerateIv()

void ikeGenerateIv

(

uint8_t *

iv

)

IV generation.

Parameters

[in,out]

iv

Pointer to the 8-octet initialization vector

Definition at line 533 of file ike_message_encrypt.c.

ikePadPayload()

size_t ikePadPayload	(	IkeSaEntry *	sa,
		uint8_t *	data,
		size_t	length
	)

Append Padding and Pad Length fields.

Parameters

[in]	sa	Pointer to the IKE SA
[in]	data	Pointer to the payload
[in]	length	Length of the payload, in bytes

Returns

Length of the resulting padded payload

Definition at line 484 of file ike_message_encrypt.c.