Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S261893AbUK2XSK (ORCPT ); Mon, 29 Nov 2004 18:18:10 -0500 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S261857AbUK2XQg (ORCPT ); Mon, 29 Nov 2004 18:16:36 -0500 Received: from www.zeroc.com ([63.251.146.250]:30856 "EHLO www.zeroc.com") by vger.kernel.org with ESMTP id S261881AbUK2XO0 (ORCPT ); Mon, 29 Nov 2004 18:14:26 -0500 Message-ID: <002c01c4d669$28ec6e30$6401a8c0@centrino> From: "Bernard Normier" To: Cc: References: <006001c4d4c2$14470880$6400a8c0@centrino> <35fb2e5904112914476df48518@mail.gmail.com> Subject: Re: Concurrent access to /dev/urandom Date: Mon, 29 Nov 2004 18:14:20 -0500 MIME-Version: 1.0 Content-Type: text/plain; format=flowed; charset="iso-8859-1"; reply-type=original Content-Transfer-Encoding: 7bit X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 Sender: linux-kernel-owner@vger.kernel.org X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 528 Lines: 16 >> I use /dev/urandom to generate UUIDs by reading 16 random bytes from >> /dev/urandom (very much like e2fsprogs' libuuid). > > Why not use /dev/random for such data instead? A UUID generator that blocks from time to time waiting for entropy would not be usable. Cheers, Bernard - 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/