from the picasso-on-security dept.
Makoss writes "Normal cryptographic hash functions turn any input text or data into a compact set of bits; useful for computers, not useful for humans. Visual hash functions turn data into graphical representations which are more easily recognizable and memorable to humans. You've seen Identicons and other simple geometric image generators already, but Vash takes the technique beyond basic geometry and produces some really striking images."
If you push the "extra ice" button on the soft drink vending machine, you won't
get any ice. If you push the "no ice" button, you'll get ice, but no cup.