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by gkoz 4023 days ago
Did breaking MD5 require a computer the size of the universe 20 years ago?
3 comments

It was thought to, which is why it became so popular. It turned out to be wrong.
Not really. It was cracked by a distributed network of ordinary computers were people volunteered CPU time.
MD5's compression function was already broken 20 years ago: http://cseweb.ucsd.edu/~bsy/dobbertin.ps