Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id ; Fri, 20 Apr 2001 05:02:51 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id ; Fri, 20 Apr 2001 05:02:41 -0400 Received: from adsl-206-170-148-147.dsl.snfc21.pacbell.net ([206.170.148.147]:4622 "HELO gw.goop.org") by vger.kernel.org with SMTP id ; Fri, 20 Apr 2001 05:02:32 -0400 Date: Fri, 20 Apr 2001 02:02:25 -0700 From: Jeremy Fitzhardinge To: "Heusden, Folkert van" Cc: Linux Kernel Development Subject: Re: [RFC] FW: proposal for systems that do not require security Message-ID: <20010420020225.G8578@goop.org> Mail-Followup-To: Jeremy Fitzhardinge , "Heusden, Folkert van" , Linux Kernel Development In-Reply-To: <27525795B28BD311B28D00500481B7601F11A6@ftrs1.intranet.ftr.nl> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline User-Agent: Mutt/1.2.5i In-Reply-To: <27525795B28BD311B28D00500481B7601F11A6@ftrs1.intranet.ftr.nl>; from f.v.heusden@ftr.nl on Tue, Apr 10, 2001 at 02:35:52PM +0200 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org On Tue, Apr 10, 2001 at 02:35:52PM +0200, Heusden, Folkert van wrote: > So, I was wondering: isn't it a nice idea to have a switch in the > configuration menu to disable entropy-gathering in the interrupt-routines, > have some simplistic routine (like x'=(x * m + a) % p) which returns a non- > cryptographic value, and something similar symplistic for the network- > traffic routines? No, that's a very bad idea. If you think it's a problem, just remove the random driver altogether. It's much better for something to get ENXIO rather than thinking it's getting real randomness. You can still get TCP sequence numbers by sampling the cycle counter or something. J - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/