From owner-freebsd-questions@FreeBSD.ORG Mon Jan 17 00:29:48 2005 Return-Path: Delivered-To: freebsd-questions@freebsd.org Received: from mx1.FreeBSD.org (mx1.freebsd.org [216.136.204.125]) by hub.freebsd.org (Postfix) with ESMTP id D10B916A4CE for ; Mon, 17 Jan 2005 00:29:48 +0000 (GMT) Received: from smtp.golden.net (smtp.golden.net [199.166.210.31]) by mx1.FreeBSD.org (Postfix) with ESMTP id 814B543D3F for ; Mon, 17 Jan 2005 00:29:48 +0000 (GMT) (envelope-from gldisater@gto.net) Received: from 185-184.speede.golden.net ([216.75.185.184]) by smtp.golden.net with esmtp (Exim 4.22) id 1CqKmB-0004RW-Px; Sun, 16 Jan 2005 19:29:47 -0500 Message-ID: <41EB0825.5030201@gto.net> Date: Sun, 16 Jan 2005 19:34:45 -0500 From: Jeremy Faulkner User-Agent: Mozilla Thunderbird 1.0 (X11/20041208) X-Accept-Language: en-us, en MIME-Version: 1.0 To: cpghost@cordula.ws References: <20050116173657.GA68560@bsdbox.farid-hajji.net> In-Reply-To: <20050116173657.GA68560@bsdbox.farid-hajji.net> X-Enigmail-Version: 0.89.5.0 X-Enigmail-Supports: pgp-inline, pgp-mime Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit cc: freebsd-questions@freebsd.org Subject: Re: Steganographic FS for FreeBSD? X-BeenThere: freebsd-questions@freebsd.org X-Mailman-Version: 2.1.1 Precedence: list Reply-To: gldisater@gto.net List-Id: User questions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Mon, 17 Jan 2005 00:29:48 -0000 cpghost@cordula.ws wrote: > Hello, > > is there some equivalent to StegFS [1] on FreeBSD; preferably > in combination with GBDE? > > Yes, I'm aware of the problem with StegFS cited in paragraph > 4.1 of [2] by Poul-Henning Kamp: > > "If we include the attacker in the analysis, she will soon know > that the facility used is STEGFS, and consequently that multiple > levels of keys are not only a possibility but to be expected." > > However, having StegFS as an optional part of GBDE would be a > good idea anyway. If everyone has a StegFS-capable GBDE by > default in the OS, wouldn't that help increase the deniability > of it being *used* in the first place? > > 1: http://www.mcdonald.org.uk/StegFS/ > 2: http://phk.freebsd.dk/pubs/bsdcon-03.gbde.paper.pdf > > Thanks, > -cpghost. > StegFS could never be part of GBDE as GBDE is unaware of what a filesystem is. -- Jeremy Faulkner