Re: [PATCH] using arc4random for strong randomness matters.

> I dunno, it seems like this is opening us to a new set of portability
> hazards (ie, sub-par implementations of arc4random) with not much gain to
> show for it.
>

Hence I reduced to three platforms only.

>
> IIUC, what this code actually does is reseed itself from /dev/urandom
> every so often and work from a PRNG in between. That's not a layer that
> we need, because the code on top is already designed to cope with the
> foibles of /dev/urandom --- or, to the extent it isn't, that's something
> we have to fix anyway. So it seems like having this optionally in place
> just reduces what we can assume about the randomness properties of
> pg_strong_random output, which doesn't seem like a good idea.
>
> That I admit these are valid points.
Cheers.

> regards, tom lane
>