Microsoft did not.How does adding a random set of bits would prevent an MD5 collision?I linked to your blog asking the same question here <a href="http://security.stackexchange.com/q/15690/396ReplyDeleteRepliesMatthew">http://security.stackexchange.com/q/15690/396ReplyDeleteRepliesMatthew</a> GreenJune 6, 2012 at 12:22 AMit is a good question.