From owner-freebsd-current Fri Jul 21 3:46:38 2000 Delivered-To: freebsd-current@freebsd.org Received: from freefall.freebsd.org (freefall.FreeBSD.ORG [204.216.27.21]) by hub.freebsd.org (Postfix) with ESMTP id D43F837BAF4; Fri, 21 Jul 2000 03:46:31 -0700 (PDT) (envelope-from kris@FreeBSD.org) Received: from localhost (kris@localhost) by freefall.freebsd.org (8.9.3/8.9.2) with ESMTP id DAA18360; Fri, 21 Jul 2000 03:46:31 -0700 (PDT) (envelope-from kris@FreeBSD.org) X-Authentication-Warning: freefall.freebsd.org: kris owned process doing -bs Date: Fri, 21 Jul 2000 03:46:31 -0700 (PDT) From: Kris Kennaway To: Dan Moschuk Cc: Mark Murray , current@freebsd.org Subject: Re: randomdev entropy gathering is really weak In-Reply-To: <20000718103729.A1221@spirit.jaded.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-current@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG On Tue, 18 Jul 2000, Dan Moschuk wrote: > | Gotcha - fix coming; I need to stash some randomness at shutdown time, and > | use that to reseed the RNG at reboot time. > > What about saving the state of the RNG and re-reading it on bootup? That > will allow Yarrow to continue right where it left off. :-) That's a bad thing. You don't want someone to be able to examine the exact PRNG state at next boot by looking at your hard disk after the machine has shut down. Kris -- In God we Trust -- all others must submit an X.509 certificate. -- Charles Forsythe To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message