> How do OpenBSD do it? They use arc4random(), to add a random increment.
> Just curious whether you have a reference for doing this or > whether it was > an ad-hoc change. Playing with cryptographic algorithms isn't > usually a > good idea unless you're sure, as I'm sure you know. Yup - dead right. The requirements in this instance are however also slightly different to what you normally use a cryptographic hash for. I want to let the code be picked at a bit before it goes into the tree though. > > I'd expect Yarrow to be (perhaps quite a bit) slower than our existing > PRNG - it's a more conservative design and uses primitives > like SHA-1 (for > yarrow-160). I don't know how much of an impact this would be for > network performance. If it is only used to generate a secret every 5 minutes, that should not be a problem. To Unsubscribe: send mail to majord...@freebsd.org with "unsubscribe freebsd-hackers" in the body of the message
