/* * Luby-Rackoff * (C) 1999-2008 Jack Lloyd * * Distributed under the terms of the Botan license */ #ifndef BOTAN_LUBY_RACKOFF_H__ #define BOTAN_LUBY_RACKOFF_H__ #include #include namespace Botan { /** * Luby-Rackoff block cipher construction */ class BOTAN_DLL LubyRackoff : public BlockCipher { public: void encrypt_n(const byte in[], byte out[], size_t blocks) const; void decrypt_n(const byte in[], byte out[], size_t blocks) const; void clear(); std::string name() const; BlockCipher* clone() const; /** * @param hash function to use to form the block cipher */ LubyRackoff(HashFunction* hash); ~LubyRackoff() { delete hash; } private: void key_schedule(const byte[], u32bit); HashFunction* hash; SecureVector K1, K2; }; } #endif