Date: Thu, 26 Oct 2000 02:17:37 -0700 From: Kris Kennaway <kris@citusc.usc.edu> To: Terry Lambert <tlambert@primenet.com> Cc: Warner Losh <imp@village.org>, Andrej Cernov <ache@nagual.pp.ru>, current@FreeBSD.ORG, markm@FreeBSD.ORG Subject: Re: entropy reseeding is totally broken Message-ID: <20001026021737.B69282@citusc17.usc.edu> In-Reply-To: <200010251035.DAA19676@usr02.primenet.com>; from tlambert@primenet.com on Wed, Oct 25, 2000 at 10:35:55AM %2B0000 References: <200010241816.MAA17356@harmony.village.org> <200010251035.DAA19676@usr02.primenet.com>
next in thread | previous in thread | raw e-mail | index | archive | help
On Wed, Oct 25, 2000 at 10:35:55AM +0000, Terry Lambert wrote: > > I see the opposite. I see that without writing to the /dev/random > > device I get a cons is an object that cares fortune 99+% of the time > > on my first login. With it, I see more decently random fortunes (but > > I haven't done a statistical analysis of them to see how random things > > are). > > Is it just me, or have there been more problems achieving > real statistical randomness since /dev/random went in, than > at any other time in BSD history? > > I booted a 1.5 system a couple of times for grins. > > It gives you a different fortune each time. The issue is one of seeding the device strongly. If all you care about is getting a different fortune when you boot then seeding with e.g. the system boot time would be enough, but obviously it doesnt make /dev/random cryptographically secure. Kris To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-current" in the body of the message
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?20001026021737.B69282>