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#ifndef CRYPTOPP_BLOWFISH_H

#define CRYPTOPP_BLOWFISH_H

 

/** \file */

 

#include "seckey.h"

#include "secblock.h"

 

NAMESPACE_BEGIN(CryptoPP)

 

//! _

struct Blowfish_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 56>, public FixedRounds<16>

{

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

};

 

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

class Blowfish : public Blowfish_Info, public BlockCipherDocumentation

{

        class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<Blowfish_Info>

        {

        public:

                void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const;

                void UncheckedSetKey(const byte *key_string, unsigned int keylength, const NameValuePairs &params);

 

        private:

                void crypt_block(const word32 in[2], word32 out[2]) const;

 

                static const word32 p_init[ROUNDS+2];

                static const word32 s_init[4*256];

 

                FixedSizeSecBlock<word32, ROUNDS+2> pbox;

                FixedSizeSecBlock<word32, 4*256> sbox;

        };

 

public:

        typedef BlockCipherFinal<ENCRYPTION, Base> Encryption;

        typedef BlockCipherFinal<DECRYPTION, Base> Decryption;

};

 

typedef Blowfish::Encryption BlowfishEncryption;

typedef Blowfish::Decryption BlowfishDecryption;

 

NAMESPACE_END

 

#endif