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/*
* TEA
* (C) 1999-2007 Jack Lloyd
*
* Distributed under the terms of the Botan license
*/
#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 encrypt_n(const byte in[], byte out[], u32bit blocks) const;
void decrypt_n(const byte in[], byte out[], u32bit blocks) const;
void key_schedule(const byte[], u32bit);
SecureBuffer<u32bit, 4> K;
};
}
#endif
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