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/*
* GOST 28147-89
* (C) 1999-2009 Jack Lloyd
*/
#ifndef BOTAN_GOST_28147_89_H__
#define BOTAN_GOST_28147_89_H__
#include <botan/block_cipher.h>
namespace Botan {
/**
* GOST 28147-89
*/
class BOTAN_DLL GOST_28147_89 : public BlockCipher
{
public:
void clear() throw() { EK.clear(); }
std::string name() const { return "GOST-28147-89"; }
BlockCipher* clone() const { return new GOST_28147_89; }
GOST_28147_89();
private:
void enc(const byte[], byte[]) const;
void dec(const byte[], byte[]) const;
void key_schedule(const byte[], u32bit);
SecureBuffer<u32bit, 1024> SBOX;
SecureBuffer<u32bit, 32> EK;
};
}
#endif
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