twofish.c File Reference

Twofish encryption algorithm. More...

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

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
error_t	twofishInit (TwofishContext *context, const uint8_t *key, size_t keyLen)
	Key expansion. More...
void	twofishEncryptBlock (TwofishContext *context, const uint8_t *input, uint8_t *output)
	Encrypt a 16-byte block using Twofish algorithm. More...
void	twofishDecryptBlock (TwofishContext *context, const uint8_t *input, uint8_t *output)
	Decrypt a 16-byte block using Twofish algorithm. More...
void	twofishDeinit (TwofishContext *context)
	Release Twofish context. More...

Variables
const CipherAlgo	twofishCipherAlgo

Detailed Description

Twofish encryption algorithm.

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.

Author

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

Version

2.4.0

Definition in file twofish.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file twofish.c.

Function Documentation

twofishDecryptBlock()

void twofishDecryptBlock	(	TwofishContext *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Decrypt a 16-byte block using Twofish algorithm.

Parameters

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

Definition at line 417 of file twofish.c.

twofishDeinit()

void twofishDeinit

(

TwofishContext *

context

)

Release Twofish context.

Parameters

[in]

context

Pointer to the Twofish context

Definition at line 497 of file twofish.c.

twofishEncryptBlock()

void twofishEncryptBlock	(	TwofishContext *	context,
		const uint8_t *	input,
		uint8_t *	output
	)

Encrypt a 16-byte block using Twofish algorithm.

Parameters

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

Definition at line 335 of file twofish.c.

twofishInit()

error_t twofishInit	(	TwofishContext *	context,
		const uint8_t *	key,
		size_t	keyLen
	)

Key expansion.

Parameters

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

Returns

Error code

Definition at line 249 of file twofish.c.

Variable Documentation

twofishCipherAlgo

const CipherAlgo twofishCipherAlgo

Initial value:

=
{
   "Twofish",
   sizeof(TwofishContext),
   CIPHER_ALGO_TYPE_BLOCK,
   TWOFISH_BLOCK_SIZE,
   (CipherAlgoInit) twofishInit,
   NULL,
   NULL,
   (CipherAlgoEncryptBlock) twofishEncryptBlock,
   (CipherAlgoDecryptBlock) twofishDecryptBlock,
   (CipherAlgoDeinit) twofishDeinit
}

Definition at line 102 of file twofish.c.