From owner-freebsd-current Tue Jul 18 7:43: 7 2000 Delivered-To: freebsd-current@freebsd.org Received: from spirit.jaded.net (shortbus.jaded.net [216.94.132.8]) by hub.freebsd.org (Postfix) with ESMTP id 4DAF237BE49; Tue, 18 Jul 2000 07:43:03 -0700 (PDT) (envelope-from dan@spirit.jaded.net) Received: (from dan@localhost) by spirit.jaded.net (8.9.3/8.9.3) id KAA01262; Tue, 18 Jul 2000 10:40:22 -0400 (EDT) (envelope-from dan) Date: Tue, 18 Jul 2000 10:40:22 -0400 From: Dan Moschuk To: Poul-Henning Kamp Cc: "Louis A. Mamakos" , Mark Murray , "Andrey A. Chernov" , current@FreeBSD.ORG Subject: Re: randomdev entropy gathering is really weak Message-ID: <20000718104022.B1221@spirit.jaded.net> References: <200007171319.JAA04774@whizzo.transsys.com> <2450.963841019@critter.freebsd.dk> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2i In-Reply-To: <2450.963841019@critter.freebsd.dk>; from phk@critter.freebsd.dk on Mon, Jul 17, 2000 at 03:36:59PM +0200 Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG | >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 To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message