/************************************************* * MDx Hash Function Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_MDX_BASE_H__ #define BOTAN_MDX_BASE_H__ #include namespace Botan { /************************************************* * MDx Hash Function Base Class * *************************************************/ class BOTAN_DLL MDx_HashFunction : public HashFunction { public: MDx_HashFunction(u32bit, u32bit, bool, bool, u32bit = 8); virtual ~MDx_HashFunction() {} protected: void clear() throw(); SecureVector buffer; u64bit count; u32bit position; private: void add_data(const byte[], u32bit); void final_result(byte output[]); virtual void hash(const byte[]) = 0; virtual void copy_out(byte[]) = 0; virtual void write_count(byte[]); const bool BIG_BYTE_ENDIAN, BIG_BIT_ENDIAN; const u32bit COUNT_SIZE; }; } #endif