Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754514AbYJOCDV (ORCPT ); Tue, 14 Oct 2008 22:03:21 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752215AbYJOCDI (ORCPT ); Tue, 14 Oct 2008 22:03:08 -0400 Received: from mail.lang.hm ([64.81.33.126]:55775 "EHLO bifrost.lang.hm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751955AbYJOCDH (ORCPT ); Tue, 14 Oct 2008 22:03:07 -0400 Date: Tue, 14 Oct 2008 19:03:51 -0700 (PDT) From: david@lang.hm X-X-Sender: dlang@asgard.lang.hm To: Glenn Powers cc: linux-kernel@vger.kernel.org Subject: Re: Perfectly Random In-Reply-To: <48F54BB1.7040706@meaning.com> Message-ID: References: <48F54BB1.7040706@meaning.com> User-Agent: Alpine 1.10 (DEB 962 2008-03-14) MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII; format=flowed Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 986 Lines: 33 On Tue, 14 Oct 2008, Glenn Powers wrote: > THE KERNEL MODULE WILL: > > Copy the current CPU clock tick of these interrupts to a ring buffer. > > THEN: > > A Linux-RTAI application will compute the entropy and transfer it to > /dev/random, a database or a network interface. > > THEN: > > The system can be tuned. > > THEN: > > The best tunings can be incorporated into the "RandomNuclear" module. why can't userspace talk to this external hardware and get a count from it, and then insert it into the random pool without involving any kernel module? also, anything that depends on the exact CPU clock tick of when interrupts happen has just sacraficed a LOT of it's randomness to the particulars of various motherboards. David Lang -- 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/