From mboxrd@z Thu Jan 1 00:00:00 1970 Message-ID: <9802e5350f20713ff27cf0be630c9fbf@plan9.bell-labs.com> From: presotto@plan9.bell-labs.com To: 9fans@cse.psu.edu Subject: Re: [9fans] Interesting research possibility? MIME-Version: 1.0 Content-Type: multipart/mixed; boundary="upas-wpmeizytxsuumupgkxybwohqmj" Date: Tue, 25 Jun 2002 16:23:10 -0400 Topicbox-Message-UUID: b94d0c4c-eaca-11e9-9e20-41e7f4b1d025 This is a multi-part message in MIME format. --upas-wpmeizytxsuumupgkxybwohqmj Content-Disposition: inline Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit That's essentially how we use /dev/random in the security library. I wouldn't mind replacing the current seeding with something a little more trustworthy. I'm afraid that beating the cpu clock against the interrupt one will eventually fail because they'll end up being the same crystal on some system. On some architectures, like our SGI's they already are. --upas-wpmeizytxsuumupgkxybwohqmj Content-Type: message/rfc822 Content-Disposition: inline Received: from plan9.cs.bell-labs.com ([135.104.9.2]) by plan9; Tue Jun 25 16:00:23 EDT 2002 Received: from mail.cse.psu.edu ([130.203.4.6]) by plan9; Tue Jun 25 16:00:22 EDT 2002 Received: from psuvax1.cse.psu.edu (psuvax1.cse.psu.edu [130.203.4.6]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 00214199E3; Tue, 25 Jun 2002 16:00:13 -0400 (EDT) Delivered-To: 9fans@cse.psu.edu Received: from math.psu.edu (leibniz.math.psu.edu [146.186.130.2]) by mail.cse.psu.edu (CSE Mail Server) with ESMTP id 98B3019A1C for <9fans@cse.psu.edu>; Tue, 25 Jun 2002 15:59:46 -0400 (EDT) Received: from augusta.math.psu.edu (augusta.math.psu.edu [146.186.132.2]) by math.psu.edu (8.9.3/8.9.3) with ESMTP id PAA19776 for <9fans@cse.psu.edu>; Tue, 25 Jun 2002 15:59:46 -0400 (EDT) Message-Id: <200206251959.PAA19776@math.psu.edu> To: 9fans@cse.psu.edu Subject: Re: [9fans] Interesting research possibility? In-Reply-To: Your message of "Tue, 25 Jun 2002 14:08:11 EDT." <9d920763b169d14abb888f85e484b5c1@plan9.bell-labs.com> From: Dan Cross Sender: 9fans-admin@cse.psu.edu Errors-To: 9fans-admin@cse.psu.edu X-BeenThere: 9fans@cse.psu.edu X-Mailman-Version: 2.0.11 Precedence: bulk Reply-To: 9fans@cse.psu.edu List-Id: Fans of the OS Plan 9 from Bell Labs <9fans.cse.psu.edu> List-Archive: Date: Tue, 25 Jun 2002 15:59:46 -0400 > I had a few that I used to run at it every now and then; self correlation, > and a random quadrant walk. Haven't in a while. I'll fix them up and stick > them out there. We could always use more. What about doing Yarrow and seeding it with random thermal noise? - Dan C. http://www.counterpane.com/yarrow-notes.html --upas-wpmeizytxsuumupgkxybwohqmj--