/************************************************* * Block Cipher Mode Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_MODEBASE_H__ #define BOTAN_MODEBASE_H__ #include <botan/basefilt.h> #include <botan/block_cipher.h> namespace Botan { /** * This class represents an abstract block cipher mode */ class BOTAN_DLL BlockCipherMode : public Keyed_Filter { public: std::string name() const; BlockCipherMode(BlockCipher*, const std::string&, u32bit, u32bit = 0, u32bit = 1); virtual ~BlockCipherMode() { delete cipher; } protected: void set_iv(const InitializationVector&); const u32bit BLOCK_SIZE, BUFFER_SIZE, IV_METHOD; const std::string mode_name; BlockCipher* cipher; SecureVector<byte> buffer, state; u32bit position; }; } #endif