From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756307Ab1JGSXq (ORCPT ); Fri, 7 Oct 2011 14:23:46 -0400 Received: from lennier.cc.vt.edu ([198.82.162.213]:49115 "EHLO lennier.cc.vt.edu" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751371Ab1JGSXn (ORCPT ); Fri, 7 Oct 2011 14:23:43 -0400 X-Mailer: exmh version 2.7.2 01/07/2005 with nmh-1.3-dev To: Arnaud Lacombe Cc: Krzysztof Halasa , Jon Masters , Adrian Bunk , "Frank Ch. Eigler" , "H. Peter Anvin" , "Rafael J. Wysocki" , Linux Kernel Mailing List , Greg KH Subject: Re: kernel.org status: establishing a PGP web of trust In-Reply-To: Your message of "Fri, 07 Oct 2011 12:59:30 EDT." From: Valdis.Kletnieks@vt.edu References: <4E8655CD.90107@zytor.com> <201110020304.28288.rjw@sisk.pl> <4E87B885.50005@zytor.com> <201110021354.57995.rjw@sisk.pl> <4E88A537.4010008@zytor.com> <20111003093239.GB25136@localhost.pp.htv.fi> <20111003180441.GD3072@localhost.pp.htv.fi> <34045.1317760188@turing-police.cc.vt.edu> <1317916702.19519.1.camel@constitution.bos.jonmasters.org> <14191.1317930659@turing-police.cc.vt.edu> <15324.1318004954@turing-police.cc.vt.edu> Mime-Version: 1.0 Content-Type: multipart/signed; boundary="==_Exmh_1318011772_9306P"; micalg=pgp-sha1; protocol="application/pgp-signature" Content-Transfer-Encoding: 7bit Date: Fri, 07 Oct 2011 14:22:52 -0400 Message-ID: <19583.1318011772@turing-police.cc.vt.edu> X-Mirapoint-Received-SPF: 198.82.161.152 auth3.smtp.vt.edu Valdis.Kletnieks@vt.edu 2 pass X-Junkmail-Status: score=10/50, host=vivi.cc.vt.edu X-Junkmail-Signature-Raw: score=unknown, refid=str=0001.0A020203.4E8F4380.014D,ss=1,fgs=0, ip=71.62.120.57, so=2010-07-22 22:03:31, dmn=2009-09-10 00:05:08, mode=single engine X-Junkmail-IWF: false Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org --==_Exmh_1318011772_9306P Content-Type: text/plain; charset=us-ascii On Fri, 07 Oct 2011 12:59:30 EDT, Arnaud Lacombe said: > How so ? The public key BOb has is mathematically tied to the private > key Alice has. If Bob sends Alice a mail, and then, she send a reply > signed with her key, which is tied to the mail address used by Bob. > Then, Bob successfully verifies the signature. This proves Alice has > control over the key tied and the mail address, don't it ? As I said - yes, that *DOES* prove control over key and email address. The point is that signing something random does not prove anything about control of the *KEY ONLY* that isn't also proved by using the key to sign another key. --==_Exmh_1318011772_9306P Content-Type: application/pgp-signature -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.11 (GNU/Linux) Comment: Exmh version 2.5 07/13/2001 iD8DBQFOj0N8cC3lWbTT17ARAuKZAKC/cWbOZZsm9g2jBFYE/kcjEZc0KQCfU5Qb YqjvOgm89AGmanGuG1sj/ys= =l6Db -----END PGP SIGNATURE----- --==_Exmh_1318011772_9306P--