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/*************************************************
* SAFER-SK Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_SAFER_SK_H__
#define BOTAN_SAFER_SK_H__
#include <botan/block_cipher.h>
namespace Botan {
/*************************************************
* SAFER-SK *
*************************************************/
class BOTAN_DLL SAFER_SK : public BlockCipher
{
public:
void clear() throw() { EK.clear(); }
std::string name() const;
BlockCipher* clone() const;
SAFER_SK(u32bit);
private:
void enc(const byte[], byte[]) const;
void dec(const byte[], byte[]) const;
void key_schedule(const byte[], u32bit);
static const byte EXP[256];
static const byte LOG[512];
static const byte BIAS[208];
static const byte KEY_INDEX[208];
SecureVector<byte> EK;
const u32bit ROUNDS;
};
}
#endif
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