From owner-freebsd-hackers@FreeBSD.ORG Tue Feb 19 02:09:59 2008 Return-Path: Delivered-To: freebsd-hackers@freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:4f8:fff6::34]) by hub.freebsd.org (Postfix) with ESMTP id C97B016A417 for ; Tue, 19 Feb 2008 02:09:59 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from mx-out-01.forthnet.gr (mx-out.forthnet.gr [193.92.150.104]) by mx1.freebsd.org (Postfix) with ESMTP id 29E8613C43E for ; Tue, 19 Feb 2008 02:09:58 +0000 (UTC) (envelope-from keramida@ceid.upatras.gr) Received: from mx-av-05.forthnet.gr (mx-av.forthnet.gr [193.92.150.27]) by mx-out-01.forthnet.gr (8.13.8/8.13.8) with ESMTP id m1J29uBk014297; Tue, 19 Feb 2008 04:09:56 +0200 Received: from MX-IN-05.forthnet.gr (mx-in-05.forthnet.gr [193.92.150.32]) by mx-av-05.forthnet.gr (8.14.2/8.14.2) with ESMTP id m1J29uFI024924; Tue, 19 Feb 2008 04:09:56 +0200 Received: from kobe.laptop (adsl48-14.kln.forthnet.gr [77.49.175.14]) by MX-IN-05.forthnet.gr (8.14.2/8.14.2) with ESMTP id m1J29si5018136; Tue, 19 Feb 2008 04:09:56 +0200 Authentication-Results: MX-IN-05.forthnet.gr smtp.mail=keramida@ceid.upatras.gr; spf=neutral Authentication-Results: MX-IN-05.forthnet.gr header.from=keramida@ceid.upatras.gr; sender-id=neutral Received: from kobe.laptop (kobe.laptop [127.0.0.1]) by kobe.laptop (8.14.2/8.14.2) with ESMTP id m1J29rK6009064; Tue, 19 Feb 2008 04:09:53 +0200 (EET) (envelope-from keramida@ceid.upatras.gr) Received: (from keramida@localhost) by kobe.laptop (8.14.2/8.14.2/Submit) id m1J29r1g009063; Tue, 19 Feb 2008 04:09:53 +0200 (EET) (envelope-from keramida@ceid.upatras.gr) Date: Tue, 19 Feb 2008 04:09:52 +0200 From: Giorgos Keramidas To: Dimitry Andric Message-ID: <20080219020952.GA8914@kobe.laptop> References: <86068e730802181718s1ad50d3axeae0dde119ddcf92@mail.gmail.com> <47BA3334.4040707@andric.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <47BA3334.4040707@andric.com> Cc: freebsd-hackers@freebsd.org, Jerry Toung Subject: Re: encrypted executables X-BeenThere: freebsd-hackers@freebsd.org X-Mailman-Version: 2.1.5 Precedence: list List-Id: Technical Discussions relating to FreeBSD List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Tue, 19 Feb 2008 02:09:59 -0000 On 2008-02-19 02:39, Dimitry Andric wrote: >On 2008-02-19 02:18, Jerry Toung wrote: >> anybody knows of a tool to encrypt executables under FreeBSD? may be >> from the ports? >> >> I am not talking about simple file encryption. > > Can you elaborate on what you *are* talking about then? Some > security-by-obscurity scheme, perhaps? :) Encrypted executables, using some sort of stream or block cipher may not be something which looks *very* useful, but there are a few interesting things which can be done with executable encryption and signatures. One of them is described here: http://blogs.sun.com/darren/entry/signed_solaris_10_binaries