mbed TLS v2.0.0
Data Structures | Functions
arc4.h File Reference

The ARCFOUR stream cipher. More...

#include "config.h"
#include <stddef.h>
Include dependency graph for arc4.h:

Go to the source code of this file.

Data Structures

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) 2006-2014, ARM Limited, All Rights Reserved

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

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.

Definition in file arc4.h.

Function Documentation

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

ARC4 cipher function.

Parameters
ctxARC4 context
lengthlength of the input data
inputbuffer holding the input data
outputbuffer for the output data
Returns
0 if successful
void mbedtls_arc4_free ( mbedtls_arc4_context ctx)

Clear ARC4 context.

Parameters
ctxARC4 context to be cleared
void mbedtls_arc4_init ( mbedtls_arc4_context ctx)

Initialize ARC4 context.

Parameters
ctxARC4 context to be initialized
int mbedtls_arc4_self_test ( int  verbose)

Checkup routine.

Returns
0 if successful, or 1 if the test failed
void mbedtls_arc4_setup ( mbedtls_arc4_context ctx,
const unsigned char *  key,
unsigned int  keylen 
)

ARC4 key schedule.

Parameters
ctxARC4 context to be setup
keythe secret key
keylenlength of the key, in bytes