From owner-freebsd-hackers@FreeBSD.ORG Fri Mar 4 06:17:39 2005 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id AC4EB16A4CF for ; Fri, 4 Mar 2005 06:17:39 +0000 (GMT) Received: from critter.freebsd.dk (f170.freebsd.dk [212.242.86.170]) by mx1.FreeBSD.org (Postfix) with ESMTP id CFD2C43D49 for ; Fri, 4 Mar 2005 06:17:38 +0000 (GMT) (envelope-from phk@critter.freebsd.dk) Received: from critter.freebsd.dk (localhost [127.0.0.1]) by critter.freebsd.dk (8.13.1/8.13.1) with ESMTP id j246HSv4014393; Fri, 4 Mar 2005 07:17:29 +0100 (CET) (envelope-from phk@critter.freebsd.dk) To: "Perry E. Metzger" From: "Poul-Henning Kamp" In-Reply-To: Your message of "Thu, 03 Mar 2005 19:49:03 EST." <877jkogrr4.fsf@snark.piermont.com> Date: Fri, 04 Mar 2005 07:17:28 +0100 Message-ID: <14392.1109917048@critter.freebsd.dk> Sender: phk@critter.freebsd.dk cc: ALeine cc: tech-security@NetBSD.org cc: elric@imrryr.org cc: hackers@freebsd.org cc: ticso@cicely.de Subject: Re: FUD about CGD and GBDE X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Fri, 04 Mar 2005 06:17:39 -0000 In message <877jkogrr4.fsf@snark.piermont.com>, "Perry E. Metzger" writes: >I also very strongly suggest that the biggest real threat you face >isn't someone cracking AES but key management issues. CGD is in some >sense largely a framework for letting you do all sorts of neat things >with key management in a disk encryption context. You may want to add >similar features -- the most practical attack against your system as >it stands is a dictionary attack. This is where it would have been nice that you didn't jump into the middle of a discussion without reading the basic material. See my paper please. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 phk@FreeBSD.ORG | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence.