/************************************************* * Square Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_SQUARE_H__ #define BOTAN_SQUARE_H__ #include namespace Botan { /************************************************* * Square * *************************************************/ class BOTAN_DLL Square : public BlockCipher { public: void clear() throw(); std::string name() const { return "Square"; } BlockCipher* clone() const { return new Square; } Square() : BlockCipher(16, 16) {} private: void enc(const byte[], byte[]) const; void dec(const byte[], byte[]) const; void key(const byte[], u32bit); static void transform(u32bit[4]); static const byte SE[256]; static const byte SD[256]; static const byte Log[256]; static const byte ALog[255]; static const u32bit TE0[256]; static const u32bit TE1[256]; static const u32bit TE2[256]; static const u32bit TE3[256]; static const u32bit TD0[256]; static const u32bit TD1[256]; static const u32bit TD2[256]; static const u32bit TD3[256]; SecureBuffer EK, DK; SecureBuffer ME, MD; }; } #endif