Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262437AbVC3VwN (ORCPT ); Wed, 30 Mar 2005 16:52:13 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262362AbVC3Vtu (ORCPT ); Wed, 30 Mar 2005 16:49:50 -0500 Received: from parcelfarce.linux.theplanet.co.uk ([195.92.249.252]:29123 "EHLO parcelfarce.linux.theplanet.co.uk") by vger.kernel.org with ESMTP id S262326AbVC3VtZ (ORCPT ); Wed, 30 Mar 2005 16:49:25 -0500 Message-ID: <424B1ED0.3010705@pobox.com> Date: Wed, 30 Mar 2005 16:49:04 -0500 From: Jeff Garzik User-Agent: Mozilla/5.0 (X11; U; Linux i686; en-US; rv:1.7.6) Gecko/20050328 Fedora/1.7.6-1.2.5 X-Accept-Language: en-us, en MIME-Version: 1.0 To: Bill Davidsen CC: Herbert Xu , Evgeniy Polyakov , David McCullough , cryptoapi@lists.logix.cz, linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, Andrew Morton , James Morris Subject: Re: [PATCH] API for true Random Number Generators to add entropy (2.6.11) References: <4249D06F.30802@tmr.com><4249D06F.30802@tmr.com> <4249DAD4.9020602@pobox.com> <424B18A1.2060502@tmr.com> In-Reply-To: <424B18A1.2060502@tmr.com> Content-Type: text/plain; charset=us-ascii; format=flowed Content-Transfer-Encoding: 7bit Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 588 Lines: 17 Bill Davidsen wrote: > If the hardware RNG always fails to all zeros it should be possible to > detect that it failed with the need for userspace daemons. While true > random bits might legitimately have 10k zeros in a row, I will bet that > if it happens the device isn't working. Or all 1's (more likely), or all 0x55's, or... Jeff - 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/