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/*
* XTEA
* (C) 1999-2007 Jack Lloyd
*
* Botan is released under the Simplified BSD License (see license.txt)
*/
#ifndef BOTAN_XTEA_H__
#define BOTAN_XTEA_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* XTEA
*/
class BOTAN_DLL XTEA : public Block_Cipher_Fixed_Params<8, 16>
{
public:
void encrypt_n(const byte in[], byte out[], size_t blocks) const;
void decrypt_n(const byte in[], byte out[], size_t blocks) const;
void clear();
std::string name() const { return "XTEA"; }
BlockCipher* clone() const { return new XTEA; }
protected:
/**
* @return const reference to the key schedule
*/
const secure_vector<u32bit>& get_EK() const { return EK; }
private:
void key_schedule(const byte[], size_t);
secure_vector<u32bit> EK;
};
}
#endif
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