/************************************************* * Serpent Header File * * (C) 1999-2006 The Botan Project * *************************************************/ #ifndef BOTAN_SERPENT_H__ #define BOTAN_SERPENT_H__ #include namespace Botan { /************************************************* * Serpent * *************************************************/ class Serpent : public BlockCipher { public: void clear() throw() { round_key.clear(); } std::string name() const { return "Serpent"; } BlockCipher* clone() const { return new Serpent; } Serpent() : BlockCipher(16, 16, 32, 8) {} private: void enc(const byte[], byte[]) const; void dec(const byte[], byte[]) const; void key(const byte[], u32bit); void key_xor(u32bit, u32bit&, u32bit&, u32bit&, u32bit&) const; SecureBuffer round_key; }; } #endif