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/*************************************************
* TEA Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_TEA_H__
#define BOTAN_TEA_H__
#include <botan/block_cipher.h>
namespace Botan {
/*************************************************
* TEA *
*************************************************/
class BOTAN_DLL TEA : public BlockCipher
{
public:
void clear() throw() { K.clear(); }
std::string name() const { return "TEA"; }
BlockCipher* clone() const { return new TEA; }
TEA() : BlockCipher(8, 16) {}
private:
void enc(const byte[], byte[]) const;
void dec(const byte[], byte[]) const;
void key_schedule(const byte[], u32bit);
SecureBuffer<u32bit, 4> K;
};
}
#endif
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