Date: Thu, 5 Oct 2006 13:31:33 -0300 From: Ricardo Nabinger Sanchez <rnsanchez@wait4.org> To: Mark Murray <markm@FreeBSD.ORG> Cc: Robert Watson <rwatson@FreeBSD.ORG>, freebsd-arch@FreeBSD.ORG Subject: Re: PRNG on FreeBSD Message-ID: <20061005133133.9e22d222.rnsanchez@wait4.org> In-Reply-To: <200610051354.k95Dsd3A047400@greatest.grondar.org> References: <200610051354.k95Dsd3A047400@greatest.grondar.org>
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On Thu, 05 Oct 2006 14:54:39 +0100
Mark Murray <markm@FreeBSD.ORG> wrote:
> Robert Watson writes:
> >
> > Yarrow is an older PRNG algorithm, and Fortuna is (as I understand
> > it) generally considered its successor. Mark Murray (CC'd), who
> > implemented our current /dev/random and Yarrow code, has been working
> > on a Fortuna implementation for FreeBSD.
Nice!
>
> Indeed. Fortuna is also looking like it is going to be a significant
> resource hog WRT memory, particularly on small/embedded devices.
Apart from the higher memory usage which can hurt modest devices, what are
the CPU requirements? Proportional (higher?) from SHA-1 to SHA-256?
When the patches are ready, I can test under RELENG_6 and also under a
low-end CURRENT box, if its hard-drive doesn't explode soon. :)
Thanks.
--
Ricardo Nabinger Sanchez <rnsanchez@{gmail.com,wait4.org}>
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