/// <summary>
/// AriaEngine을 빌드하고 반환합니다.
/// </summary>
/// <returns></returns>
private AriaEngine GetEngine() {
if(_engine == null) {
SetupKey();
_engine = new AriaEngine(KeySize);
_engine.SetKey(Key);
_engine.SetupRoundKeys();
}
return _engine;
}
public void Dispose() {
_engine = null;
}