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something very @SuricrasiaOnline : the "hash function crisis", where some academic comes out of nowhere breaking all commonly-used hash functions at once, even being able to find collisions *by hand* for one of them
this actually happened in 2005, where Wang broke MD2, MD4, MD5, RIPEMD, HAVAL, SHA-0, and a theoretical attack (which is now becoming practical) against SHA-1
Wang's paper was initially rejected for being completely incomprehensible, but then attended the related conference for that anyway, and gave a 10 minute unplanned talk where she demonstrated the attacks (including the by-hand collision finding for MD2)
@pcy @SuricrasiaOnline I didn't think MD5 was broken that early? I thought it happened a few years later.
@pcy @SuricrasiaOnline oh god, I looked it up and it was actually 200*4*. Why do people still use MD5?
@vikxin @SuricrasiaOnline yeah I was unsure, some papers were from 2004, some from 2005