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korayakov
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Файл:Документация по криптоалгоритмам / CRYPTO30 / 3way
.h#ifndef CRYPTOPP_THREEWAY_H
#define CRYPTOPP_THREEWAY_H
#include "cryptlib.h"
#include "misc.h"
NAMESPACE_BEGIN(CryptoPP)
class ThreeWayEncryption : public BlockTransformation
{
public:
enum {KEYLENGTH=12, BLOCKSIZE=12, ROUNDS=11};
ThreeWayEncryption(const byte *userKey, unsigned rounds=ROUNDS);
~ThreeWayEncryption();
void ProcessBlock(const byte *inBlock, byte * outBlock) const;
void ProcessBlock(byte * inoutBlock) const
{ThreeWayEncryption::ProcessBlock(inoutBlock, inoutBlock);}
unsigned int BlockSize() const {return BLOCKSIZE;}
private:
word32 k[3];
unsigned int rounds;
SecBlock<word32> rc;
};
class ThreeWayDecryption : public BlockTransformation
{
public:
enum {KEYLENGTH=12, BLOCKSIZE=12, ROUNDS=11};
ThreeWayDecryption(const byte *userKey, unsigned rounds=ROUNDS);
~ThreeWayDecryption();
void ProcessBlock(const byte *inBlock, byte * outBlock) const;
void ProcessBlock(byte * inoutBlock) const
{ThreeWayDecryption::ProcessBlock(inoutBlock, inoutBlock);}
unsigned int BlockSize() const {return BLOCKSIZE;}
private:
word32 k[3];
unsigned int rounds;
SecBlock<word32> rc;
};
NAMESPACE_END
#endif