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#ifndef CRYPTOPP_THREEWAY_H
#define CRYPTOPP_THREEWAY_H
/** \file
*/
#include "seckey.h"
#include "secblock.h"
NAMESPACE_BEGIN(CryptoPP)
struct ThreeWay_Info : public FixedBlockSize<12>, public FixedKeyLength<12>, public VariableRounds<11>
{
static const char *StaticAlgorithmName() {return "3-Way";}
};
/// <a href="http://www.weidai.com/scan-mirror/cs.html#3-Way">3-Way</a>
class ThreeWay : public ThreeWay_Info, public BlockCipherDocumentation
{
class CRYPTOPP_NO_VTABLE Base : public BlockCipherBaseTemplate<ThreeWay_Info>
{
public:
void UncheckedSetKey(CipherDir direction, const byte *key, unsigned int length, unsigned int rounds);
protected:
unsigned int m_rounds;
FixedSizeSecBlock<word32, 3> m_k;
};
class CRYPTOPP_NO_VTABLE Enc : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
class CRYPTOPP_NO_VTABLE Dec : public Base
{
public:
void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;
};
public:
typedef BlockCipherTemplate<ENCRYPTION, Enc> Encryption;
typedef BlockCipherTemplate<DECRYPTION, Dec> Decryption;
};
typedef ThreeWay::Encryption ThreeWayEncryption;
typedef ThreeWay::Decryption ThreeWayDecryption;
NAMESPACE_END
#endif
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