Re:Debunking NIST's calculation of the Kyber-512 security level
by pclmulqdq on Wednesday October 04, 2023 @10:50AM
(#37765998)
"Verifiably random" means produced using a process where it isn't possible for you to know the outcome. In this case, saying "the key is [X], which is the SHA-2 hash of [Y]" would allow you to know that they couldn't choose [X] without breaking SHA-2.
What's a "verifiably random" key?