rc4.c File Reference

RC4 encryption algorithm. More...

#include "core/crypto.h"
#include "cipher/rc4.h"

Go to the source code of this file.

Macros
#define	TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Functions
error_t	rc4Init (Rc4Context *context, const uint8_t *key, size_t length)
	Initialize an RC4 context using the supplied key. More...
void	rc4Cipher (Rc4Context *context, const uint8_t *input, uint8_t *output, size_t length)
	Encrypt/decrypt data with the RC4 algorithm. More...
void	rc4Deinit (Rc4Context *context)
	Release RC4 context. More...

Variables
const CipherAlgo	rc4CipherAlgo

Detailed Description

RC4 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

2.4.4

Definition in file rc4.c.

Macro Definition Documentation

TRACE_LEVEL

#define TRACE_LEVEL   CRYPTO_TRACE_LEVEL

Definition at line 32 of file rc4.c.

Function Documentation

rc4Cipher()

void rc4Cipher	(	Rc4Context *	context,
		const uint8_t *	input,
		uint8_t *	output,
		size_t	length
	)

Encrypt/decrypt data with the RC4 algorithm.

Parameters

[in]	context	Pointer to the RC4 context
[in]	input	Pointer to the data to encrypt/decrypt (optional)
[in]	output	Pointer to the resulting data (optional)
[in]	length	Length of the input data

Definition at line 110 of file rc4.c.

rc4Deinit()

void rc4Deinit

(

Rc4Context *

context

)

Release RC4 context.

Parameters

[in]

context

Pointer to the RC4 context

Definition at line 158 of file rc4.c.

rc4Init()

error_t rc4Init	(	Rc4Context *	context,
		const uint8_t *	key,
		size_t	length
	)

Initialize an RC4 context using the supplied key.

Parameters

[in]	context	Pointer to the RC4 context to initialize
[in]	key	Pointer to the key
[in]	length	Length of the key

Returns

Error code

Definition at line 65 of file rc4.c.

Variable Documentation

rc4CipherAlgo

const CipherAlgo rc4CipherAlgo

Initial value:

=
{
   "RC4",
   sizeof(Rc4Context),
   CIPHER_ALGO_TYPE_STREAM,
   0,
   (CipherAlgoInit) rc4Init,
   (CipherAlgoEncryptStream) rc4Cipher,
   (CipherAlgoDecryptStream) rc4Cipher,
   NULL,
   NULL,
   (CipherAlgoDeinit) rc4Deinit
}

Definition at line 42 of file rc4.c.