xtea.h File Reference

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

This file is part of PolarSSL (http://www.polarssl.org) Lead Maintainer: Paul Bakker <polarssl_maintainer at polarssl.org>

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.

#include <inttypes.h>

Data Structures
struct	xtea_context
	XTEA context structure. More...

Macros
#define	XTEA_DECRYPT   0
#define	XTEA_ENCRYPT   1

Functions
int	xtea_crypt_ecb (xtea_context *ctx, int mode, unsigned char input[8], unsigned char output[8])
	XTEA cipher function. More...
int	xtea_self_test (int verbose)
void	xtea_setup (xtea_context *ctx, unsigned char key[16])
	XTEA key schedule. More...

#define XTEA_DECRYPT   0

#define XTEA_ENCRYPT   1

int xtea_crypt_ecb	(	xtea_context *	ctx,
		int	mode,
		unsigned char	input[8],
		unsigned char	output[8]
	)

XTEA cipher function.

Parameters

ctx	XTEA context
mode	XTEA_ENCRYPT or XTEA_DECRYPT
input	8-byte input block
output	8-byte output block

Returns

0 if successful

int xtea_self_test

(

int

verbose

)

Referenced by main().

void xtea_setup	(	xtea_context *	ctx,
		unsigned char	key[16]
	)

XTEA key schedule.

Parameters

ctx	XTEA context to be initialized
key	the secret key