#ifndef CRYPTOPP_SKIPJACK_H #define CRYPTOPP_SKIPJACK_H /** \file */ #include "seckey.h" #include "secblock.h" NAMESPACE_BEGIN(CryptoPP) //! _ struct SKIPJACK_Info : public FixedBlockSize<8>, public FixedKeyLength<10> { CRYPTOPP_DLL static const char * CRYPTOPP_API StaticAlgorithmName() {return "SKIPJACK";} }; /// <a href="http://www.weidai.com/scan-mirror/cs.html#SKIPJACK">SKIPJACK</a> class SKIPJACK : public SKIPJACK_Info, public BlockCipherDocumentation { class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Base : public BlockCipherImpl<SKIPJACK_Info> { public: void UncheckedSetKey(const byte *userKey, unsigned int length, const NameValuePairs ¶ms); protected: static const byte fTable[256]; FixedSizeSecBlock<byte[256], 10> tab; }; class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Enc : public Base { public: void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; private: static const byte Se[256]; static const word32 Te[4][256]; }; class CRYPTOPP_DLL CRYPTOPP_NO_VTABLE Dec : public Base { public: void ProcessAndXorBlock(const byte *inBlock, const byte *xorBlock, byte *outBlock) const; private: static const byte Sd[256]; static const word32 Td[4][256]; }; public: typedef BlockCipherFinal<ENCRYPTION, Enc> Encryption; typedef BlockCipherFinal<DECRYPTION, Dec> Decryption; }; typedef SKIPJACK::Encryption SKIPJACKEncryption; typedef SKIPJACK::Decryption SKIPJACKDecryption; NAMESPACE_END #endif