/**
 * \file
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 *
 * \brief TEA Tiny Encription Algorith functions.
 *
 * Documentation for TEA is available at
 * http://en.wikipedia.org/wiki/Tiny_Encryption_Algorithm
 *
 * \author Francesco Sacchi <batt@develer.com>
 *
 * $WIZ$ module_name = "tea"
 */

#ifndef ALGO_TEA_H
#define ALGO_TEA_H

#include <cfg/compiler.h>

#define TEA_KEY_LEN     16	//!< TEA key size.
#define TEA_BLOCK_LEN   8	//!< TEA block length.

#define DELTA   0x9E3779B9	//!< Magic value. (Golden number * 2^31)
#define ROUNDS  32		//!< Number of rounds.

void tea_enc(void *_v, void *_k);
void tea_dec(void *_v, void *_k);

#endif /* ALGO_TEA_H */