From owner-freebsd-bugbusters@FreeBSD.ORG Thu Aug 15 21:40:16 2013 Return-Path: Delivered-To: bugbusters@FreeBSD.org Received: from mx1.freebsd.org (mx1.freebsd.org [8.8.178.115]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by hub.freebsd.org (Postfix) with ESMTP id AD245BA5; Thu, 15 Aug 2013 21:40:16 +0000 (UTC) (envelope-from holz@net.in.tum.de) Received: from smtp.serverkommune.de (serverkommune.de [176.9.61.43]) (using TLSv1 with cipher ADH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.freebsd.org (Postfix) with ESMTPS id 68B352B79; Thu, 15 Aug 2013 21:40:15 +0000 (UTC) Received: by smtp.serverkommune.de (Postfix, from userid 5001) id 58965803A4; Thu, 15 Aug 2013 23:40:14 +0200 (CEST) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on ex6.serverkommune.de X-Spam-Level: X-Spam-Status: No, score=-2.9 required=5.0 tests=ALL_TRUSTED,BAYES_00 autolearn=ham version=3.3.1 Received: from [192.168.178.34] (ex6.serverkommune.de [176.9.61.43]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by smtp.serverkommune.de (Postfix) with ESMTPSA id 83B7580047; Thu, 15 Aug 2013 23:40:13 +0200 (CEST) Message-ID: <520D4AE5.50805@net.in.tum.de> Date: Thu, 15 Aug 2013 23:40:53 +0200 From: Ralph Holz User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130801 Thunderbird/17.0.8 MIME-Version: 1.0 To: Gavin Atkinson , bugbusters@FreeBSD.org Subject: Re: Wrong SSHFP on FreeBSD servers References: <520CDDB5.8080307@net.in.tum.de> In-Reply-To: X-Enigmail-Version: 1.5.2 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 8bit X-Virus-Scanned: clamav-milter 0.97.8 at ex6 X-Virus-Status: Clean X-BeenThere: freebsd-bugbusters@freebsd.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: "Coordination of the Problem Report handling effort." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Thu, 15 Aug 2013 21:40:16 -0000 Hi Gavin, As an addendum to my last mail: I have just found out that the way the fingerprints are stored in SSHFP does not seem to reflect the same kind of hash value that is displayed to the user. Ouch. I had a too-simplistic conversion between the two - that must have been the source of the mismatch. I am going to investigate this tomorrow and must have a closer look at the SSHFP RFC. Sorry for the trouble! Ralph -- Ralph Holz I8 - Network Architectures and Services Technische Universität München http://www.net.in.tum.de/de/mitarbeiter/holz/ Phone +49.89.289.18043 PGP: A805 D19C E23E 6BBB E0C4 86DC 520E 0C83 69B0 03EF