News for hackers. Stuff that matters.

A comment on Show HN: Beamsplitter – a new possibly universal hash. Parent comment

Re:Show HN: Beamsplitter – a new possibly universal hash by jcims on Thursday May 07, 2020 @11:36AM (#23104199)
It should probably just default the s-box to all zeroes or some other method of deriving it ex-nihilo, but a default is practical just so you don't need to synchronize s-boxes between uses.

I would imagine anyone interested in using this for serious business™ would start with a new s-box hierarchy.

[ Parent | on HN ]
Re:Show HN: Beamsplitter – a new possibly universal hash by owenmarshall on Thursday May 07, 2020 @02:02PM (#23106016)
An all zero s-box would give some, how shall we say, useful toeholds to an attacker.

That's not how S-boxes work, and crypto is best done with sane defaults.

[ Parent | on HN ]