On Fri, Apr 13, 2012 at 8:15 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> That's probably true, but I'm not sure it's worth worrying about -
> one-in-four-billion is a pretty small probability.
Is this not subject to the birthday paradox? If you have a given hash
you're worried about a collision with then you have a
one-in-four-billion chance. But if you have a collection of hashes and
you're worried about any collisions then it only takes about 64k
before there's likely a collision.
--
greg
