The ROCA RSA key generation flaw or ROBOT, the “Return Of Bleichenbacher” attack: which is most deserving of the “Best Cryptographic Attack” Pwnie award at the 2018 Black Hat USA conference? Only one can survive. Let us consider. Assume for the moment that it’s down to those two: ROBOT and ROCA. But first take a moment to consider the best cases for the “runners up”. They are all excellent; it was a very good year for crypto research.
