arc4.h File Reference

The ARCFOUR stream cipher. More...

#include "config.h"
#include <stddef.h>

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Classes
struct	mbedtls_arc4_context
	ARC4 context structure. More...

Functions
void	mbedtls_arc4_init (mbedtls_arc4_context *ctx)
	Initialize ARC4 context. More...
void	mbedtls_arc4_free (mbedtls_arc4_context *ctx)
	Clear ARC4 context. More...
void	mbedtls_arc4_setup (mbedtls_arc4_context *ctx, const unsigned char *key, unsigned int keylen)
	ARC4 key schedule. More...
int	mbedtls_arc4_crypt (mbedtls_arc4_context *ctx, size_t length, const unsigned char *input, unsigned char *output)
	ARC4 cipher function. More...
int	mbedtls_arc4_self_test (int verbose)
	Checkup routine. More...

Detailed Description

The ARCFOUR stream cipher.

Copyright (C) 2006-2015, ARM Limited, All Rights Reserved SPDX-License-Identifier: Apache-2.0

Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except in compliance with the License. You may obtain a copy of the License at

http://www.apache.org/licenses/LICENSE-2.0

Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language governing permissions and limitations under the License.

This file is part of mbed TLS (https://tls.mbed.org)

Function Documentation

mbedtls_arc4_crypt()

int mbedtls_arc4_crypt	(	mbedtls_arc4_context *	ctx,
		size_t	length,
		const unsigned char *	input,
		unsigned char *	output
	)

ARC4 cipher function.

Parameters

ctx	ARC4 context
length	length of the input data
input	buffer holding the input data
output	buffer for the output data

Returns

0 if successful

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mbedtls_arc4_free()

void mbedtls_arc4_free

(

mbedtls_arc4_context *

ctx

)

Clear ARC4 context.

Parameters

ctx	ARC4 context to be cleared

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mbedtls_arc4_init()

void mbedtls_arc4_init

(

mbedtls_arc4_context *

ctx

)

Initialize ARC4 context.

Parameters

ctx	ARC4 context to be initialized

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mbedtls_arc4_self_test()

int mbedtls_arc4_self_test

(

int

verbose

)

Checkup routine.

Returns

0 if successful, or 1 if the test failed

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mbedtls_arc4_setup()

void mbedtls_arc4_setup	(	mbedtls_arc4_context *	ctx,
		const unsigned char *	key,
		unsigned int	keylen
	)

ARC4 key schedule.

Parameters

ctx	ARC4 context to be setup
key	the secret key
keylen	length of the key, in bytes

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