/************************************************* * Basic Filters Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_BASEFILT_H__ #define BOTAN_BASEFILT_H__ #include namespace Botan { /************************************************* * Chain * *************************************************/ class BOTAN_DLL Chain : public Fanout_Filter { public: void write(const byte input[], u32bit length) { send(input, length); } Chain(Filter* = 0, Filter* = 0, Filter* = 0, Filter* = 0); Chain(Filter*[], u32bit); }; /************************************************* * Fork * *************************************************/ class BOTAN_DLL Fork : public Fanout_Filter { public: void write(const byte input[], u32bit length) { send(input, length); } void set_port(u32bit n) { Fanout_Filter::set_port(n); } Fork(Filter*, Filter*, Filter* = 0, Filter* = 0); Fork(Filter*[], u32bit); }; /************************************************* * Keyed Filter * *************************************************/ class BOTAN_DLL Keyed_Filter : public Filter { public: virtual void set_key(const SymmetricKey&); virtual void set_iv(const InitializationVector&) {} virtual bool valid_keylength(u32bit) const; Keyed_Filter() { base_ptr = 0; } protected: SymmetricAlgorithm* base_ptr; }; } #endif