Quantum encryption scheme broken with classical math

DAN GOODIN for ArsTechnica:

SIKE is the second NIST-designated PQC candidate to be invalidated this year. In February, IBM post-doc researcher Ward Beullens published research that broke Rainbow, a cryptographic signature scheme with its security, according to Cryptomathic, “relying on the hardness of the problem of solving a large system of multivariate quadratic equations over a finite field.”

Post-quantum encryption contender is taken out by single-core PC and 1 hour

One of the SIKE inventors conceded that many cryptographers “do not understand as much mathematics as we really should.”

One gets a sense that the AI’s are going to be really good at this though.

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