On Thu, Mar 2, 2017 at 1:54 PM, Joey Hess <id@xxxxxxxxxx> wrote: > > There's a surprising result of combining iterated hash functions, that > the combination is no more difficult to attack than the strongest hash > function used. Duh. I should actually have known that. I started reading the paper and went "this seems very familiar". I'm pretty sure I've been pointed at that paper before (or maybe just a similar one), and I just didn't react enough for it to leave a lasting impact. Linus