Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754265AbXLHWDy (ORCPT ); Sat, 8 Dec 2007 17:03:54 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1752603AbXLHWDr (ORCPT ); Sat, 8 Dec 2007 17:03:47 -0500 Received: from emailhub.stusta.mhn.de ([141.84.69.5]:56308 "EHLO mailhub.stusta.mhn.de" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1752371AbXLHWDr (ORCPT ); Sat, 8 Dec 2007 17:03:47 -0500 Date: Sat, 8 Dec 2007 23:03:45 +0100 From: Adrian Bunk To: Bill Davidsen Cc: Marc Haber , linux-kernel@vger.kernel.org Subject: Re: Why does reading from /dev/urandom deplete entropy so much? Message-ID: <20071208220345.GE20441@stusta.de> References: <20071204114125.GA17310@torres.zugschlus.de> <20071204161811.GB15974@stusta.de> <47584E35.7030409@tmr.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <47584E35.7030409@tmr.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 727 Lines: 22 On Thu, Dec 06, 2007 at 02:32:05PM -0500, Bill Davidsen wrote: >... > Sounds like a local DoS attack point to me... As long as /dev/random is readable for all users there's no reason to use /dev/urandom for a local DoS... cu Adrian -- "Is there not promise of rain?" Ling Tan asked suddenly out of the darkness. There had been need of rain for many days. "Only a promise," Lao Er said. Pearl S. Buck - Dragon Seed -- 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/