rc6.c File Reference

RC6-32/20 block cipher. More...

#include "core/crypto.h"
#include "cipher/rc6.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL
#define	P32   0xB7E15163
#define	Q32   0x9E3779B9

Functions
error_t	rc6Init (Rc6Context *context, const uint8_t *key, size_t keyLen)
	Initialize a RC6 context using the supplied key. More...
void	rc6EncryptBlock (Rc6Context *context, const uint8_t *input, uint8_t *output)
	Encrypt a 16-byte block using RC6 algorithm. More...
void	rc6DecryptBlock (Rc6Context *context, const uint8_t *input, uint8_t *output)
	Decrypt a 16-byte block using RC6 algorithm. More...
void	rc6Deinit (Rc6Context *context)
	Release RC6 context. More...

Variables
const CipherAlgo	rc6CipherAlgo

Detailed Description

RC6-32/20 block cipher.

License

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

Copyright (C) 2010-2024 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

RC6 is a symmetric key block cipher derived from RC5

Author

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

Version

2.4.4

Definition in file rc6.c.

Macro Definition Documentation

P32

#define P32   0xB7E15163

Definition at line 46 of file rc6.c.

Q32

#define Q32   0x9E3779B9

Definition at line 47 of file rc6.c.

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 36 of file rc6.c.

Function Documentation

rc6DecryptBlock()

void rc6DecryptBlock	(	Rc6Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Decrypt a 16-byte block using RC6 algorithm.

Parameters

[in]	context	Pointer to the RC6 context
[in]	input	Ciphertext block to decrypt
[out]	output	Plaintext block resulting from decryption

Definition at line 208 of file rc6.c.

rc6Deinit()

void rc6Deinit

(

Rc6Context *

context

)

Release RC6 context.

Parameters

[in]

context

Pointer to the RC6 context

Definition at line 264 of file rc6.c.

rc6EncryptBlock()

void rc6EncryptBlock	(	Rc6Context *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Encrypt a 16-byte block using RC6 algorithm.

Parameters

[in]	context	Pointer to the RC6 context
[in]	input	Plaintext block to encrypt
[out]	output	Ciphertext block resulting from encryption

Definition at line 150 of file rc6.c.

rc6Init()

error_t rc6Init	(	Rc6Context *	context,
		const uint8_t *	key,
		size_t	keyLen
	)

Initialize a RC6 context using the supplied key.

Parameters

[in]	context	Pointer to the RC6 context to initialize
[in]	key	Pointer to the key
[in]	keyLen	Length of the key

Returns

Error code

Definition at line 73 of file rc6.c.

Variable Documentation

rc6CipherAlgo

const CipherAlgo rc6CipherAlgo

Initial value:

=
{
   "RC6",
   sizeof(Rc6Context),
   CIPHER_ALGO_TYPE_BLOCK,
   RC6_BLOCK_SIZE,
   (CipherAlgoInit) rc6Init,
   NULL,
   NULL,
   (CipherAlgoEncryptBlock) rc6EncryptBlock,
   (CipherAlgoDecryptBlock) rc6DecryptBlock,
   (CipherAlgoDeinit) rc6Deinit
}

Definition at line 50 of file rc6.c.