I didn’t bother grabbing a copy of this the first time, but it turns out that at least two people thought it was good enough to use as source material in their own presentations on the subject. I actually made several separate responses to this thread, but the relevant one is this one in which I pointed out the astronomical odds against these purely-theoretical attacks ever posing any practical danger out in the real world. One of the many things we all learned from the ensuing conversation is that teaching at Harvard doesn’t mean you’re not a total moron. Here’s the evidence from Slashdot, plus my response. After being shown up like that, Dr. David Handelman of Harvard University just ran away, probably to work on his incredibly lame web page.