/************************************************* * ARC4 Header File * * (C) 1999-2008 Jack Lloyd * *************************************************/ #ifndef BOTAN_ARC4_H__ #define BOTAN_ARC4_H__ #include namespace Botan { /************************************************* * ARC4 * *************************************************/ class BOTAN_DLL ARC4 : public StreamCipher { public: void clear() throw(); std::string name() const; StreamCipher* clone() const { return new ARC4(SKIP); } ARC4(u32bit = 0); ~ARC4() { clear(); } private: void cipher(const byte[], byte[], u32bit); void key(const byte[], u32bit); void generate(); const u32bit SKIP; SecureBuffer buffer; SecureBuffer state; u32bit X, Y, position; }; } #endif