xtea.h File Reference


Detailed Description

Copyright (C) 2006-2009, 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.

Definition in file xtea.h.

#include <inttypes.h>

Go to the source code of this file.

Data Structures

struct  xtea_context
 XTEA context structure. More...

Defines

#define XTEA_DECRYPT   0
#define XTEA_ENCRYPT   1

Functions

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


Define Documentation

#define XTEA_DECRYPT   0

Definition at line 32 of file xtea.h.

#define XTEA_ENCRYPT   1

Definition at line 31 of file xtea.h.


Function Documentation

void 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

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


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