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/*************************************************
* SEED Header File *
* (C) 1999-2007 Jack Lloyd *
*************************************************/
#ifndef BOTAN_SEED_H__
#define BOTAN_SEED_H__
#include <botan/base.h>
namespace Botan {
/*************************************************
* SEED *
*************************************************/
class BOTAN_DLL SEED : public BlockCipher
{
public:
void clear() throw() { K.clear(); }
std::string name() const { return "SEED"; }
BlockCipher* clone() const { return new SEED; }
SEED() : BlockCipher(16, 16) {}
private:
void enc(const byte[], byte[]) const;
void dec(const byte[], byte[]) const;
void key(const byte[], u32bit);
class G_FUNC
{
public:
u32bit operator()(u32bit) const;
private:
static const u32bit S0[256], S1[256], S2[256], S3[256];
};
SecureBuffer<u32bit, 32> K;
};
}
#endif
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