This is a great example of the "I wonder if I could"-kind of research. It doesn't have to be practical. I doubt the authors intend it as a viable security pro

This is a great example of the "I wonder if I could"-kind of research. It doesn't have to be practical. I doubt the authors intend it as a viable security product. It is the kind of "just playing around" thinking that can sometimes lead to brilliant insights. Keep up the good work.