From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.1.3 (2006-06-01) on yquem.inria.fr X-Spam-Level: X-Spam-Status: No, score=0.2 required=5.0 tests=AWL autolearn=disabled version=3.1.3 X-Original-To: caml-list@yquem.inria.fr Delivered-To: caml-list@yquem.inria.fr Received: from mail3-relais-sop.national.inria.fr (mail3-relais-sop.national.inria.fr [192.134.164.104]) by yquem.inria.fr (Postfix) with ESMTP id 842AEBBAF for ; Thu, 4 Dec 2008 17:06:12 +0100 (CET) X-IronPort-AV: E=Sophos;i="4.33,715,1220220000"; d="scan'208";a="19915734" Received: from concorde.inria.fr ([192.93.2.39]) by mail3-smtp-sop.national.inria.fr with ESMTP; 04 Dec 2008 17:06:12 +0100 Received: from mail1-relais-roc.national.inria.fr (mail1-relais-roc.national.inria.fr [192.134.164.82]) by concorde.inria.fr (8.13.6/8.13.6) with ESMTP id mB4G6BwO014385 (version=TLSv1/SSLv3 cipher=RC4-SHA bits=128 verify=OK) for ; Thu, 4 Dec 2008 17:06:12 +0100 X-IronPort-Anti-Spam-Filtered: true X-IronPort-Anti-Spam-Result: ApoEAFGON0nZbprC/2dsb2JhbADQPIMF X-IronPort-AV: E=Sophos;i="4.33,715,1220220000"; d="scan'208";a="20782228" Received: from grisu.bik-gmbh.de ([217.110.154.194]) by mail1-smtp-roc.national.inria.fr with ESMTP/TLS/DHE-RSA-AES256-SHA; 04 Dec 2008 17:06:11 +0100 Received: from [192.168.125.196] (ip196.bik-gmbh.de [192.168.125.196]) by grisu.bik-gmbh.de (8.14.2/8.14.2) with ESMTP id mB4G66nT088997; Thu, 4 Dec 2008 17:06:07 +0100 (CET) (envelope-from hars@bik-gmbh.de) Message-ID: <4937FFEE.9060709@bik-gmbh.de> Date: Thu, 04 Dec 2008 17:06:06 +0100 From: Florian Hars User-Agent: Thunderbird 2.0.0.18 (X11/20081125) MIME-Version: 1.0 To: Alan Schmitt Cc: caml-list@inria.fr Subject: Re: [Caml-list] Computing with big numbers? References: <999499.25121.qm@web111514.mail.gq1.yahoo.com> In-Reply-To: X-Enigmail-Version: 0.95.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit X-Miltered: at concorde with ID 4937FFF3.000 by Joe's j-chkmail (http://j-chkmail . ensmp . fr)! X-Spam: no; 0.00; hars:01 hars:01 bik-gmbh:01 schmitt:01 hashes:01 trivial:01 hash:01 admirable:01 node:01 nostradamus:98 caml-list:01 alan:02 unison:02 florian:03 florian:03 Alan Schmitt schrieb: > But I don't think this applies here, as the hashes I'm > looking at are the one used by Unison to identify file contents. Then it is *especially* relevant, as it is quite trivial to generate several files with different content and the same MD5 hash, all you need is a Playstation 3: http://www.win.tue.nl/hashclash/Nostradamus/ - Florian -- But our moral language is fragmented; our contemporaries reject the Kantian hunch that choosing those things most admirable and plausible as ends in themselves is the best practice; autonomous sources of the good are everywhere brown and broken. Thus we have PHP. http://lambda-the-ultimate.org/node/1463