assorted pieces of random gobbledygook

Reading Bruce Schneier’s notes on the NIST Hash function Workshop I came across a real gem in the comments section: A student of Lars Knudsen, Søren Steffen Thomsen, has released working C code for generating MD5 collisions using Wang’s method. Very useful, indeed. I will have to reread Magnus’s paper on finding differentials (I can’t find that online right now, but it should be contained in his thesis) one of these days to find out whether it’s feasible to obtain a differential with good probability that has a non-zero value at position 1.

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