des3.c File Reference

Triple DES (Triple Data Encryption Algorithm) More...

#include "core/crypto.h"
#include "cipher/des3.h"
#include "cipher/des.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
__weak_func error_t	des3Init (Des3Context *context, const uint8_t *key, size_t keyLen)
	Initialize a Triple DES context using the supplied key. More...
__weak_func void	des3EncryptBlock (Des3Context *context, const uint8_t *input, uint8_t *output)
	Encrypt a 8-byte block using Triple DES algorithm. More...
__weak_func void	des3DecryptBlock (Des3Context *context, const uint8_t *input, uint8_t *output)
	Decrypt a 8-byte block using Triple DES algorithm. More...
__weak_func void	des3Deinit (Des3Context *context)
	Release Triple DES context. More...

Variables
const uint8_t	DES_EDE3_CBC_OID [8] = {0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x03, 0x07}
const CipherAlgo	des3CipherAlgo

Detailed Description

Triple DES (Triple Data Encryption Algorithm)

License

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

Copyright (C) 2010-2025 Oryx Embedded SARL. All rights reserved.

This file is part of CycloneCRYPTO 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.

Description

Triple DES is an encryption algorithm designed to encipher and decipher blocks of 64 bits under control of a 192-bit key. Refer to FIPS 46-3 for more details

Author

Oryx Embedded SARL (www.oryx-embedded.com)

Version

2.5.4

Definition in file des3.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 37 of file des3.c.

Function Documentation

des3DecryptBlock()

__weak_func void des3DecryptBlock	(	Des3Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Decrypt a 8-byte block using Triple DES algorithm.

Parameters

[in]	context	Pointer to the Triple DES context
[in]	input	Ciphertext block to decrypt
[out]	output	Plaintext block resulting from decryption

Definition at line 144 of file des3.c.

des3Deinit()

__weak_func void des3Deinit

(

Des3Context *

context

)

Release Triple DES context.

Parameters

[in]

context

Pointer to the Triple DES context

Definition at line 161 of file des3.c.

des3EncryptBlock()

__weak_func void des3EncryptBlock	(	Des3Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Encrypt a 8-byte block using Triple DES algorithm.

Parameters

[in]	context	Pointer to the Triple DES context
[in]	input	Plaintext block to encrypt
[out]	output	Ciphertext block resulting from encryption

Definition at line 125 of file des3.c.

des3Init()

__weak_func error_t des3Init	(	Des3Context *	context,
		const uint8_t *	key,
		size_t	keyLen
	)

Initialize a Triple DES context using the supplied key.

Parameters

[in]	context	Pointer to the Triple DES context to initialize
[in]	key	Pointer to the key
[in]	keyLen	Length of the key

Returns

Error code

Definition at line 74 of file des3.c.

Variable Documentation

des3CipherAlgo

const CipherAlgo des3CipherAlgo

Initial value:

=
{
   "3DES",
   sizeof(Des3Context),
   CIPHER_ALGO_TYPE_BLOCK,
   DES3_BLOCK_SIZE,
   (CipherAlgoInit) des3Init,
   NULL,
   NULL,
   (CipherAlgoEncryptBlock) des3EncryptBlock,
   (CipherAlgoDecryptBlock) des3DecryptBlock,
   (CipherAlgoDeinit) des3Deinit
}

Definition at line 51 of file des3.c.

DES_EDE3_CBC_OID

const uint8_t DES_EDE3_CBC_OID[8] = {0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x03, 0x07}

Definition at line 48 of file des3.c.