Re: PRNG on FreeBSD
- From: Ricardo Nabinger Sanchez <rnsanchez@xxxxxxxxx>
- Date: Thu, 5 Oct 2006 13:31:33 -0300
On Thu, 05 Oct 2006 14:54:39 +0100
Mark Murray <markm@xxxxxxxxxxx> 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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