From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on dcvr.yhbt.net X-Spam-Level: X-Spam-ASN: AS31976 209.132.180.0/23 X-Spam-Status: No, score=-3.5 required=3.0 tests=AWL,BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,RCVD_IN_DNSWL_HI,RP_MATCHES_RCVD shortcircuit=no autolearn=ham autolearn_force=no version=3.4.0 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by dcvr.yhbt.net (Postfix) with ESMTP id 3BC9C20254 for ; Thu, 23 Feb 2017 19:22:02 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751165AbdBWTWA (ORCPT ); Thu, 23 Feb 2017 14:22:00 -0500 Received: from lang.hm ([66.167.227.134]:44897 "EHLO bifrost.lang.hm" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751099AbdBWTV7 (ORCPT ); Thu, 23 Feb 2017 14:21:59 -0500 Received: from dlang-laptop ([10.2.0.162]) by bifrost.lang.hm (8.13.4/8.13.4/Debian-3) with ESMTP id v1NJKYOD009581; Thu, 23 Feb 2017 11:20:34 -0800 Date: Thu, 23 Feb 2017 11:20:34 -0800 (PST) From: David Lang X-X-Sender: dlang@dlang-laptop To: Junio C Hamano cc: Joey Hess , Git Mailing List Subject: Re: SHA1 collisions found In-Reply-To: Message-ID: References: <20170223164306.spg2avxzukkggrpb@kitenet.net> User-Agent: Alpine 2.20.17 (DEB 179 2016-10-28) MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII; format=flowed Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org pointers to a little more info https://shattered.it/static/ the two files are: https://shattered.it/static/shattered-1.pdf https://shattered.it/static/shattered-2.pdf 422435 shattered-2.pdf 422435 shattered-1.pdf identical length and a lot smaller than I expected (~162K of the 413K file is binary junk) $ sha1sum shattered-*pdf 38762cf7f55934b34d179ae6a4c80cadccbb7f0a shattered-1.pdf 38762cf7f55934b34d179ae6a4c80cadccbb7f0a shattered-2.pdf $ sum shattered-*pdf 62721 413 shattered-1.pdf 41606 413 shattered-2.pdf $ md5sum shattered-*pdf ee4aa52b139d925f8d8884402b0a750c shattered-1.pdf 5bd9d8cabc46041579a311230539b8d1 shattered-2.pdf David Lang