Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S262238AbVC2MSO (ORCPT ); Tue, 29 Mar 2005 07:18:14 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S262234AbVC2MP7 (ORCPT ); Tue, 29 Mar 2005 07:15:59 -0500 Received: from gprs189-60.eurotel.cz ([160.218.189.60]:13735 "EHLO amd.ucw.cz") by vger.kernel.org with ESMTP id S262238AbVC2MNt (ORCPT ); Tue, 29 Mar 2005 07:13:49 -0500 Date: Tue, 29 Mar 2005 14:13:32 +0200 From: Pavel Machek To: Evgeniy Polyakov Cc: Herbert Xu , Andrew Morton , James Morris , linux-kernel@vger.kernel.org, linux-crypto@vger.kernel.org, cryptoapi@lists.logix.cz, Jeff Garzik , David McCullough Subject: Re: [PATCH] API for true Random Number Generators to add entropy (2.6.11) Message-ID: <20050329121332.GL3897@elf.ucw.cz> References: <4243A86D.6000408@pobox.com> <1111731361.20797.5.camel@uganda> <20050325061311.GA22959@gondor.apana.org.au> <20050329102104.GB6496@elf.ucw.cz> <20050329103049.GB19541@gondor.apana.org.au> <1112093428.5243.88.camel@uganda> <20050329104627.GD19468@gondor.apana.org.au> <1112096525.5243.98.camel@uganda> <20050329113921.GA20174@gondor.apana.org.au> <1112098517.5243.102.camel@uganda> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <1112098517.5243.102.camel@uganda> X-Warning: Reading this can be dangerous to your mental health. User-Agent: Mutt/1.5.6+20040907i Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 1142 Lines: 29 Hi! > > > > Well if you can demonstrate that you're getting a higher rate of > > > > throughput from your RNG by doing this in kernel space vs. doing > > > > it in user space please let me know. > > > > > > While raw bits reading from hw_random on the fastest > > > VIA boards can exceed 55mbits per second > > > [above quite was taken from VIA C3 Nehemiah analysis], > > > it is not evaluated in rngd and is not written > > > back to the /dev/random. > > > > Well when you get 55mb/s from /dev/random please get back to me. > > I cant, noone writes 55mbit into it, but HW RNG drivers could. :) Exactly, on via machines, it might be good idea to hook /dev/random directly to hardware random generator... that should give you 55mbit/sec. Pavel -- People were complaining that M$ turns users into beta-testers... ...jr ghea gurz vagb qrirybcref, naq gurl frrz gb yvxr vg gung jnl! - 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/