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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_PUBLIC_API(2,0) XTEA final : public Block_Cipher_Fixed_Params<8, 16>
{
public:
void encrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void decrypt_n(const uint8_t in[], uint8_t out[], size_t blocks) const override;
void clear() override;
std::string name() const override { return "XTEA"; }
BlockCipher* clone() const override { return new XTEA; }
protected:
/**
* @return const reference to the key schedule
*/
const secure_vector<uint32_t>& get_EK() const { return m_EK; }
private:
void key_schedule(const uint8_t[], size_t) override;
secure_vector<uint32_t> m_EK;
};
}
#endif
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