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Date: Mon, 7 Mar 2005 21:58:36 +0100
From: Pawel Jakub Dawidek <pjd@FreeBSD.org>
To: Mark Murray <markm@FreeBSD.ORG>
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Subject: Re: New entropy source proposal.
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On Mon, Mar 07, 2005 at 04:09:48PM +0000, Mark Murray wrote:
+> Pawel Jakub Dawidek writes:
+> > The program is very simple, it should be run with two arguments:
+> >=20
+> > 	% sndtest /dev/dspW 1048576 > rand.data
+> >=20
+> > This command will generate 1MB of random data.
+>=20
+> Er, not very random.

Are you sure you used /dev/dspW? It give me really good results with my
sound card.

You can find sample data at:

	http://people.freebsd.org/~pjd/misc/rand.data

+> > If people like the idea and someone more skilled than me in this subje=
ct
+> > can review this stuff, we can start to put it into kernel
+> > "random infrastructure". It could also be implemented as userland daem=
on
+> > which writes collected entropy to /dev/random maybe...
+>=20
+> I like the idea, but we need a bit more hardware assistance, I think.

Of course I don't think it could be used as the only entropy source in
the system, more like one of few.

--=20
Pawel Jakub Dawidek                       http://www.wheel.pl
pjd@FreeBSD.org                           http://www.FreeBSD.org
FreeBSD committer                         Am I Evil? Yes, I Am!

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