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Date:      Fri, 01 Sep 2000 14:28:58 +0200
From:      Mark Murray <mark@grondar.za>
To:        Kris Kennaway <kris@FreeBSD.org>
Cc:        Adam Back <adam@cypherspace.org>, current@FreeBSD.org, jeroen@vangelderen.org, yarrow@zeroknowledge.com
Subject:   Re: yarrow & /dev/random 
Message-ID:  <200009011228.e81CSwR04242@grimreaper.grondar.za>
In-Reply-To: <Pine.BSF.4.21.0009010251290.27842-100000@freefall.freebsd.org> ; from Kris Kennaway <kris@FreeBSD.org>  "Fri, 01 Sep 2000 03:06:28 MST."
References:  <Pine.BSF.4.21.0009010251290.27842-100000@freefall.freebsd.org> 

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> > PC's are pretty low-entropy devices; users who need lots of random
> > bits (as opposed to a steady supply of random numbers) are arguably
> > going to need to go to extraordinary lengths to get them; their
> > own statistical analysis is almost certainly going to be required.
> 
> I claim this to be untrue: my tests show an ordinary sound card (with no
> recording source, at maximum input gain) will provide far more
> (high-quality) entropy than Yarrow can make use of under even the most
> punishing loads.

Kris; could you come up with some kind of proof-of-concept for this?
I don't want to steal a sound card, but being able to use one at the
user's request is good; I'd need kernel-mode code to do some harvesting.

M
--
Mark Murray
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