From owner-freebsd-security Thu May 20 18:44:47 1999 Delivered-To: freebsd-security@freebsd.org Received: from vespucci.advicom.net (vespucci.advicom.net [199.170.120.42]) by hub.freebsd.org (Postfix) with ESMTP id 2344A158FD for ; Thu, 20 May 1999 18:44:40 -0700 (PDT) (envelope-from avalon@vespucci.advicom.net) Received: from localhost (avalon@localhost) by vespucci.advicom.net (8.8.8/8.8.5) with ESMTP id UAA09506; Thu, 20 May 1999 20:44:38 -0500 (CDT) X-Envelope-Recipient: security@FreeBSD.ORG Date: Thu, 20 May 1999 20:44:37 -0500 (CDT) From: Avalon Books To: Eric Lakin Cc: security@FreeBSD.ORG Subject: Re: Secure Deletion In-Reply-To: <19990520182142.A1242@ptah.ricochet.net> Message-ID: MIME-Version: 1.0 Content-Type: TEXT/PLAIN; charset=US-ASCII Sender: owner-freebsd-security@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.org > > It uses a combination of randomly-generated and pattern-specific > > overwrites of a file (or group of files) in-place, in order to make > > recovery extremely difficult--even with advanced equipment (like > > echo-cancellation analysis systems). A standard file-deletion is issued > > after its done mangling the file(s) in question. It works ok, I guess, as > > betas go. > > This sounds similar to "rm -P" in a stock FreeBSD system (3.1, atleast) Similar, but certainly more sophisticated than the -P option for rm. Still, my program is just a beta, and I'll admit that it certainly isn't ready for any kind of real-world environment--yet. I'm going to add swap-space and free-space deletion options as soon as I figure out a way to do those things gracefully. It should make for a nice, relaxing programming project. --R. Pelletier Sys Admin, House Galiagante We are a Micro$oft-free site To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-security" in the body of the message