From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paolo Bonzini Subject: Re: About git and the use of SHA-1 Date: Tue, 29 Apr 2008 16:52:52 +0200 Message-ID: <48173644.1020306@gnu.org> References: <200804281829.11866.henrikau@orakel.ntnu.no> <200804282329.21336.henrikau@orakel.ntnu.no> <4816C26D.9010304@op5.se> <4816CC80.9080705@op5.se> <48171442.4050707@op5.se> <48171D24.9000104@gnu.org> <481732C0.5020208@op5.se> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-15; format=flowed Content-Transfer-Encoding: 7bit Cc: sverre@rabbelier.nl, Russ Dill , Henrik Austad , Daniel Barkalow , git@vger.kernel.org To: Andreas Ericsson X-From: git-owner@vger.kernel.org Tue Apr 29 16:54:01 2008 connect(): Connection refused Return-path: Envelope-to: gcvg-git-2@gmane.org Received: from vger.kernel.org ([209.132.176.167]) by lo.gmane.org with esmtp (Exim 4.50) id 1JqrDU-0002M2-4W for gcvg-git-2@gmane.org; Tue, 29 Apr 2008 16:54:00 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754875AbYD2Owz (ORCPT ); Tue, 29 Apr 2008 10:52:55 -0400 Received: (majordomo@vger.kernel.org) by vger.kernel.org id S1754741AbYD2Owz (ORCPT ); Tue, 29 Apr 2008 10:52:55 -0400 Received: from nf-out-0910.google.com ([64.233.182.188]:57340 "EHLO nf-out-0910.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751886AbYD2Owy (ORCPT ); Tue, 29 Apr 2008 10:52:54 -0400 Received: by nf-out-0910.google.com with SMTP id d3so24770nfc.21 for ; Tue, 29 Apr 2008 07:52:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:user-agent:mime-version:newsgroups:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:sender; bh=lz1GeOtqnn6R2z1Wcndz0tcXdWaiSDcAoEscLvO1mSc=; b=T51PtYl6KzOiTNCTbJ2E69+Ik5TkxmFVn9GoEbWDyzZlXSqNftRxQHGCZ99c2/5v6aWsBNc0urH96awiUu/NND5OvgaQFL8TRdNToURR0sktCVrdXZleZE3Sm4fEK8dOnWGmpvTxRZ0/jnAS3hhXvnzDxou7SnXgeQ49OC9NV9k= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:user-agent:mime-version:newsgroups:to:cc:subject:references:in-reply-to:content-type:content-transfer-encoding:sender; b=Cl7m4PnDRpEZIX4nl7mjvK3pHZhbFR/Dp7URL6qgc5kZldxr/V1ocLUUp8zf0r/wowma0DZ1rBurPjAfLbUN5UhEyHIltt4/AcQtWbHMsHcvNUU8wnaW0hgct4Go6Ag8Trcxfa5RGdzjCUpLkELKHU4KdaTtOJ5B0XqvlRQEZww= Received: by 10.210.70.14 with SMTP id s14mr7467531eba.161.1209480773522; Tue, 29 Apr 2008 07:52:53 -0700 (PDT) Received: from scientist-2.local ( [195.176.178.209]) by mx.google.com with ESMTPS id y37sm11733526mug.3.2008.04.29.07.52.50 (version=TLSv1/SSLv3 cipher=RC4-MD5); Tue, 29 Apr 2008 07:52:52 -0700 (PDT) User-Agent: Thunderbird 2.0.0.12 (Macintosh/20080213) Newsgroups: gmane.comp.version-control.git In-Reply-To: <481732C0.5020208@op5.se> Sender: git-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: git@vger.kernel.org Archived-At: > So what you're saying is that if someone owns a repository and adds a > file to it, he can then replace his entire repository with an identical > one where the good file is replaced with a bad one, and this will affect > people who clone *after* the file gets replaced. > > Gee, that's one fiendishly large attack vector I agree (with the irony). Paolo