From owner-freebsd-chat Wed Oct 15 23:25:21 1997 Return-Path: Received: (from root@localhost) by hub.freebsd.org (8.8.7/8.8.7) id XAA08559 for chat-outgoing; Wed, 15 Oct 1997 23:25:21 -0700 (PDT) (envelope-from owner-freebsd-chat) Received: from word.smith.net.au (word.smith.net.au [202.0.75.3]) by hub.freebsd.org (8.8.7/8.8.7) with ESMTP id XAA08550 for ; Wed, 15 Oct 1997 23:25:17 -0700 (PDT) (envelope-from mike@word.smith.net.au) Received: from word.smith.net.au (localhost.smith.net.au [127.0.0.1]) by word.smith.net.au (8.8.7/8.8.5) with ESMTP id PAA01540; Thu, 16 Oct 1997 15:52:09 +0930 (CST) Message-Id: <199710160622.PAA01540@word.smith.net.au> X-Mailer: exmh version 2.0zeta 7/24/97 To: Wes Peters cc: Mike Smith , chat@freebsd.org Subject: Re: C2 Trusted FreeBSD? In-reply-to: Your message of "Thu, 16 Oct 1997 00:24:51 CST." <199710160624.AAA12395@obie.softweyr.ml.org> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Date: Thu, 16 Oct 1997 15:52:09 +0930 From: Mike Smith Sender: owner-freebsd-chat@freebsd.org X-Loop: FreeBSD.org Precedence: bulk > > The only methods for obtaining the previous contents of a storage > > location involve physical analog access to the hardware, and if you > > have this then system security has already been compromised because you > > could have recorded the original value when it was current. > > Not according to the crowd of ex-Iomega engineers I work with. With > access to the head controls and the data splitter (i.e. poking around > behaving like a device driver) you can do some pretty mysterious things > to a disk drive. Unfortunately for this, Wes, we were talking about _*DRAM*_. mike