#ifndef CRYPTOPP_SHARK_H #define CRYPTOPP_SHARK_H /** \file */ #include "config.h" #ifdef WORD64_AVAILABLE #include "seckey.h" #include "secblock.h" NAMESPACE_BEGIN(CryptoPP) //! _ struct SHARK_Info : public FixedBlockSize<8>, public VariableKeyLength<16, 1, 16>, public VariableRounds<6, 2> { static const char *StaticAlgorithmName() {return "SHARK-E";} }; /// <a href="http://www.weidai.com/scan-mirror/cs.html#SHARK-E">SHARK-E</a> class SHARK : public SHARK_Info, public BlockCipherDocumentation { class CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SHARK_Info> { public: void UncheckedSetKey(const byte *key, unsigned int length, const NameValuePairs ¶m); protected: unsigned int m_rounds; SecBlock<word64> m_roundKeys; }; class CRYPTOPP_NO_VTABLE Enc : public Base { public: void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; // used by Base to do key setup void InitForKeySetup(); private: static const byte sbox[256]; static const word64 cbox[8][256]; }; class CRYPTOPP_NO_VTABLE Dec : public Base { public: void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; private: static const byte sbox[256]; static const word64 cbox[8][256]; }; public: typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; }; typedef SHARK::Encryption SHARKEncryption; typedef SHARK::Decryption SHARKDecryption; NAMESPACE_END #endif #endif