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Date:      Tue, 18 Jul 2000 10:40:22 -0400
From:      Dan Moschuk <dan@FreeBSD.ORG>
To:        Poul-Henning Kamp <phk@critter.freebsd.dk>
Cc:        "Louis A. Mamakos" <louie@TransSys.COM>, Mark Murray <mark@grondar.za>, "Andrey A. Chernov" <ache@FreeBSD.ORG>, current@FreeBSD.ORG
Subject:   Re: randomdev entropy gathering is really weak
Message-ID:  <20000718104022.B1221@spirit.jaded.net>
In-Reply-To: <2450.963841019@critter.freebsd.dk>; from phk@critter.freebsd.dk on Mon, Jul 17, 2000 at 03:36:59PM %2B0200
References:  <200007171319.JAA04774@whizzo.transsys.com> <2450.963841019@critter.freebsd.dk>

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| >In fact, it would be rather interesting to have a configuration flag which
| >always forces something like an fsck on a file system in order to provide
| >some entropy to the random device.  Or some other user-exposed way of
| >providing entropy.  I might have some data on disk, or some network
| >operations which can be performed to help seed the entropy pool.
| 
| What we really need is this:
| 
| 	fetch -o http://entropy.freebsd.org/ > /dev/random
| 
| with a bunch of volounteers providing random bits to people in need.
| 
| I have thought about adding a entropy server to my array of weird
| servers in my lab.  Something like a Geiger counter and a smokedetector
| could do wonders.

If you wanted to have some fun with this, you could do a rc5-like distributed
client, feeding random bits to a server, and pulling down new bits every
so often!

-Dan


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