A little game to demonstrate timing attacks.
Maybe I'm missing something here, but if the password is being checked on a remote system, then the variance in network transfer time is going to far, far (by many orders of magnitude) outstrip the difference in time a CPU takes to compare a few characters in a string.<p>Also, this shouldn't even be a source of information if the password is salted and hashed to a fixed length before storing. I'd hope any secure system was at least doing this to start with anyway.