Photo by Steve Johnson on Unsplash

Breaking A (Crypto) Rainbow

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And, so, in the next decade or so we will see a move away from our existing public key methods of RSA and ECC and towards quantum robust methods. But, one contenders for the digital signature standard has perhaps fallen at the first fence. For this, Ward Beullens has just published [here] a paper that breaks Rainbow in less than a weekend:

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Prof Bill Buchanan OBE FRSE
ASecuritySite: When Bob Met Alice

Professor of Cryptography. Serial innovator. Believer in fairness, justice & freedom. Based in Edinburgh. Old World Breaker. New World Creator. Building trust.