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#ifndef CRYPTOPP_SERPENT_H

#define CRYPTOPP_SERPENT_H

 

/** \file

*/

 

#include "seckey.h"

#include "secblock.h"

 

NAMESPACE_BEGIN(CryptoPP)

 

//! _

struct Serpent_Info : public FixedBlockSize<16>, public VariableKeyLength<16, 0, 32>, public FixedRounds<32>

{

        static const char *StaticAlgorithmName() {return "Serpent";}

};

 

/// <a href="http://www.weidai.com/scan-mirror/cs.html#Serpent">Serpent</a>

class Serpent : public Serpent_Info, public BlockCipherDocumentation

{

        class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Serpent_Info>

        {

        public:

                void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs &params);

 

        protected:

                FixedSizeSecBlock<word32, 33*4> m_key;

        };

 

        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 BlockCipherFinal<ENCRYPTION, Enc> Encryption;

        typedef BlockCipherFinal<DECRYPTION, Dec> Decryption;

};

 

typedef Serpent::Encryption SerpentEncryption;

typedef Serpent::Decryption SerpentDecryption;

 

NAMESPACE_END

 

#endif