[mistercow]

Hmm. It still seems to me that the simple concatenative method could still be broken at least slightly more quickly, since each function can be collision tested separately, but my brain is vaguely gesturing at comprehension about why xoring is still weak.

I feel like we should be teaching the principles of crypto to young children so that we end up with some humans that can grok it as easily as the rest of us do algebra. But there are a great many things I would want young children to be taught if I were made the Benevolent Dictator of All School Boards.