/************************************************* * DLIES Header File * * (C) 1999-2007 Jack Lloyd * *************************************************/ #ifndef BOTAN_DLIES_H__ #define BOTAN_DLIES_H__ #include namespace Botan { /************************************************* * DLIES Encryption * *************************************************/ class BOTAN_DLL DLIES_Encryptor : public PK_Encryptor { public: DLIES_Encryptor(const PK_Key_Agreement_Key&, const std::string& = "KDF2(SHA-160)", const std::string& = "HMAC(SHA-160)", u32bit = 20); void set_other_key(const MemoryRegion&); private: SecureVector enc(const byte[], u32bit, RandomNumberGenerator&) const; u32bit maximum_input_size() const; const PK_Key_Agreement_Key& key; SecureVector other_key; const std::string kdf_algo; const std::string mac_algo; const u32bit MAC_KEYLEN; }; /************************************************* * DLIES Decryption * *************************************************/ class BOTAN_DLL DLIES_Decryptor : public PK_Decryptor { public: DLIES_Decryptor(const PK_Key_Agreement_Key&, const std::string& = "KDF2(SHA-160)", const std::string& = "HMAC(SHA-160)", u32bit = 20); private: SecureVector dec(const byte[], u32bit) const; const PK_Key_Agreement_Key& key; const std::string kdf_algo; const std::string mac_algo; const u32bit MAC_KEYLEN, PUBLIC_LEN; }; } #endif