private void initialiteTree(){
        if (encriptada.size() > 0){
            modelo.insertNodeInto(enc, abuelo, 0);
        }
        if (decriptada.size() > 0){
            modelo.insertNodeInto(dec, abuelo, 1);
        }
        for (int i = 0; i < encriptada.size(); i++){
            modelo.insertNodeInto(new DefaultMutableTreeNode(encriptada.get(i).toString()), enc, i);
        }
        for (int i = 0; i < decriptada.size(); i++){
            modelo.insertNodeInto(new DefaultMutableTreeNode(decriptada.get(i).toString()), dec, i);
        }
    }