Atmel Software Framework

arc4.h File Reference

Copyright (C) 2006-2010, Brainspark B.V.

This file is part of PolarSSL ( Lead Maintainer: Paul Bakker <polarssl_maintainer at>

All rights reserved.

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.

Data Structures

struct  arc4_context
 ARC4 context structure. More...


int arc4_crypt (arc4_context *ctx, int length, const unsigned char *input, unsigned char *output)
 ARC4 cipher function. More...
int arc4_self_test (int verbose)
void arc4_setup (arc4_context *ctx, const unsigned char *key, int keylen)
 ARC4 key schedule. More...

int arc4_crypt ( arc4_context ctx,
int  length,
const unsigned char *  input,
unsigned char *  output 

ARC4 cipher function.

ctxARC4 context
lengthlength of the input data
inputbuffer holding the input data
outputbuffer for the output data
0 if successful

Referenced by main().

int arc4_self_test ( int  verbose)

Referenced by main().

void arc4_setup ( arc4_context ctx,
const unsigned char *  key,
int  keylen 

ARC4 key schedule.

ctxARC4 context to be initialized
keythe secret key
keylenlength of the key

Referenced by main().