tls_record_encryption.c File Reference

TLS record encryption. More...

#include "tls.h"
#include "tls_record.h"
#include "tls_record_encryption.h"
#include "tls_misc.h"
#include "cipher_modes/cbc.h"
#include "aead/aead_algorithms.h"
#include "debug.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   TLS_TRACE_LEVEL

Functions
error_t	tlsEncryptRecord (TlsContext *context, TlsEncryptionEngine *encryptionEngine, void *record)
	Encrypt an outgoing TLS record. More...
__weak_func error_t	tlsEncryptAeadRecord (TlsContext *context, TlsEncryptionEngine *encryptionEngine, void *record)
	Record encryption (AEAD cipher) More...
__weak_func error_t	tlsEncryptCbcRecord (TlsContext *context, TlsEncryptionEngine *encryptionEngine, void *record)
	Record encryption (CBC block cipher) More...
error_t	tlsEncryptStreamRecord (TlsContext *context, TlsEncryptionEngine *encryptionEngine, void *record)
	Record encryption (stream cipher) More...
error_t	tlsAppendMessageAuthCode (TlsContext *context, TlsEncryptionEngine *encryptionEngine, void *record)
	Append message authentication code. More...
__weak_func error_t	tlsComputeMac (TlsContext *context, TlsEncryptionEngine *encryptionEngine, const void *record, const uint8_t *data, size_t dataLen, uint8_t *mac)
	Compute message authentication code. More...

Detailed Description

TLS record encryption.

License

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

Copyright (C) 2010-2024 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneSSL 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 tls_record_encryption.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   TLS_TRACE_LEVEL

Definition at line 32 of file tls_record_encryption.c.

Function Documentation

tlsAppendMessageAuthCode()

error_t tlsAppendMessageAuthCode	(	TlsContext *	context,
		TlsEncryptionEngine *	encryptionEngine,
		void *	record
	)

Append message authentication code.

Parameters

[in]	context	Pointer to the TLS context
[in]	encryptionEngine	Pointer to the encryption engine
[in,out]	record	TLS record to be authenticated

Returns

Error code

Definition at line 424 of file tls_record_encryption.c.

tlsComputeMac()

__weak_func error_t tlsComputeMac	(	TlsContext *	context,
		TlsEncryptionEngine *	encryptionEngine,
		const void *	record,
		const uint8_t *	data,
		size_t	dataLen,
		uint8_t *	mac
	)

Compute message authentication code.

Parameters

[in]	context	Pointer to the TLS context
[in]	encryptionEngine	Pointer to the encryption/decryption engine
[in]	record	Pointer to the TLS record
[in]	data	Pointer to the record data
[in]	dataLen	Length of the data
[out]	mac	The computed MAC value

Returns

Error code

Definition at line 509 of file tls_record_encryption.c.

tlsEncryptAeadRecord()

__weak_func error_t tlsEncryptAeadRecord	(	TlsContext *	context,
		TlsEncryptionEngine *	encryptionEngine,
		void *	record
	)

Record encryption (AEAD cipher)

Parameters

[in]	context	Pointer to the TLS context
[in]	encryptionEngine	Pointer to the encryption engine
[in,out]	record	TLS record to be encrypted

Returns

Error code

Definition at line 151 of file tls_record_encryption.c.

tlsEncryptCbcRecord()

__weak_func error_t tlsEncryptCbcRecord	(	TlsContext *	context,
		TlsEncryptionEngine *	encryptionEngine,
		void *	record
	)

Record encryption (CBC block cipher)

Parameters

[in]	context	Pointer to the TLS context
[in]	encryptionEngine	Pointer to the encryption engine
[in,out]	record	TLS record to be encrypted

Returns

Error code

Definition at line 288 of file tls_record_encryption.c.

tlsEncryptRecord()

error_t tlsEncryptRecord	(	TlsContext *	context,
		TlsEncryptionEngine *	encryptionEngine,
		void *	record
	)

Encrypt an outgoing TLS record.

Parameters

[in]	context	Pointer to the TLS context
[in]	encryptionEngine	Pointer to the encryption engine
[in,out]	record	TLS record to be encrypted

Returns

Error code

Definition at line 55 of file tls_record_encryption.c.

tlsEncryptStreamRecord()

error_t tlsEncryptStreamRecord	(	TlsContext *	context,
		TlsEncryptionEngine *	encryptionEngine,
		void *	record
	)

Record encryption (stream cipher)

Parameters

[in]	context	Pointer to the TLS context
[in]	encryptionEngine	Pointer to the encryption engine
[in,out]	record	TLS record to be encrypted

Returns

Error code

Definition at line 383 of file tls_record_encryption.c.