Received: from maia.hub.org (unknown [200.46.208.211]) by mail.postgresql.org (Postfix) with ESMTP id D788D633403 for ; Tue, 6 Apr 2010 09:59:55 -0300 (ADT) Received: from mail.postgresql.org ([200.46.204.86]) by maia.hub.org (mx1.hub.org [200.46.208.211]) (amavisd-maia, port 10024) with ESMTP id 27873-01 for ; Tue, 6 Apr 2010 12:59:36 +0000 (UTC) X-Greylist: from auto-whitelisted by SQLgrey-1.7.6 Received: from roadrunner.wars-nicht.de (roadrunner.wars-nicht.de [88.198.26.233]) by mail.postgresql.org (Postfix) with ESMTP id D9EC1632C7A for ; Tue, 6 Apr 2010 09:59:44 -0300 (ADT) Received: from platin.wars-nicht.de (f053203013.adsl.alicedsl.de [78.53.203.13]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (Client did not present a certificate) by roadrunner.wars-nicht.de (Postfix) with ESMTP id 0BC539D8002 for ; Tue, 6 Apr 2010 14:59:42 +0200 (CEST) Received: from platin.wars-nicht.de (unknown [127.0.0.1]) by platin.wars-nicht.de (Postfix) with ESMTP id 2545AB9262F for ; Tue, 6 Apr 2010 14:59:40 +0200 (CEST) Date: Tue, 6 Apr 2010 14:59:38 +0200 From: Andreas 'ads' Scherbaum To: pgsql-admin@postgresql.org Subject: Re: Database level encryption Message-ID: <20100406145938.5037011e@platin.wars-nicht.de> In-Reply-To: References: <4BB774D4.3070306@joeconway.com> <4BBA05E80200002500030493@gw.wicourts.gov> <4BBA6924.5050305@joeconway.com> X-Mailer: Claws Mail 3.7.2 (GTK+ 2.18.3; i486-pc-linux-gnu) Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-Virus-Scanned: Maia Mailguard 1.0.1 X-Spam-Status: No, hits=-1.124 tagged_above=-10 required=5 tests=AWL=-0.384, BAYES_20=-0.74 X-Spam-Level: X-Archive-Number: 201004/41 X-Sequence-Number: 34135 On Tue, 6 Apr 2010 12:45:52 +0300 Timothy Madden wrote: > The machine is a mini-laptop running almost all day time (actually > there are many of them) and if the machine is captured it is likely to > be captured while running. With an encrypted file system if the > machine is already booted you already have access to the file system > and can simply copy it and even place back the machine without anyone > notice anything. If someone captures the machine the bad guy can install a network sniffer and steal the database passwords upon connect. > With an encrypted database, you need the password anytime you connect, > even if another application already has an open connection. See above, this doesn't help. If someone get's root access to your machine, nothing (no filesystem and no database encryption) is goint to help you here. Bye -- Andreas 'ads' Scherbaum German PostgreSQL User Group European PostgreSQL User Group - Board of Directors Volunteer Regional Contact, Germany - PostgreSQL Project