On Fri, 2020-05-22 at 01:09 +1200, Kent Fredric wrote: > On Thu, 21 May 2020 14:25:00 +0200 > Ulrich Mueller wrote: > > > That's why I said salted hash. > > Even a salted hash becomes a trivial joke when the input data you're > hashing has a *total* entropy of only 32bits. > > You at very least need a unique salt per hash, or you only have to > expose the salt to create a rainbow table for the whole dataset. Isn't the whole point of salted hash to use unique salts? Nevertheless, it's still near-trivial task. -- Best regards, Michał Górny