From owner-freebsd-hackers@FreeBSD.ORG Wed Feb 20 13:17:45 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 A5EE916A409 for ; Wed, 20 Feb 2008 13:17:45 +0000 (UTC) (envelope-from tdamas@gmail.com) Received: from wr-out-0506.google.com (wr-out-0506.google.com [64.233.184.235]) by mx1.freebsd.org (Postfix) with ESMTP id 3903513C4F8 for ; Wed, 20 Feb 2008 13:17:44 +0000 (UTC) (envelope-from tdamas@gmail.com) Received: by wr-out-0506.google.com with SMTP id 68so2148131wri.3 for ; Wed, 20 Feb 2008 05:17:43 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=gamma; h=domainkey-signature:received:received:message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; bh=Ekpj1zuJfh9EcI2LOEMAmc1rgGeKgqaJIDYTLyiNVho=; b=Bim5s9jPtbWfx+E1fIpS023Ov2I/OKtkQBrY4eViCRUEoSgNNoAjzjvladiRAl+15RnDh7+ZE8Z6FY8HZNcso1hQg7MJaTbanP7FWY1jXvlarV3QAge1rhqSxbJKPbOuCwA4jK2e3fqxnuq9c1zneoIeu2Tb/b8lr86B/WcAf8k= DomainKey-Signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=message-id:date:from:to:subject:in-reply-to:mime-version:content-type:content-transfer-encoding:content-disposition:references; b=HIb21OxtT02wMoj2sylvxOhOvdfTgzD19PMfT1X0SsQWp40J6eVW/lKD9vkOAUvEbNKV8ej34gnhfHNajWnbil6T9gV17/+jVk6sZmU+qp07anTzVWzFrrSiR6ziBjw2T/AoKzkAS0QEmpfnFsSIqAVNdNkQU0mYPA9rMBYiR3U= Received: by 10.142.172.12 with SMTP id u12mr4120575wfe.168.1203511883330; Wed, 20 Feb 2008 04:51:23 -0800 (PST) Received: by 10.142.200.17 with HTTP; Wed, 20 Feb 2008 04:51:23 -0800 (PST) Message-ID: Date: Wed, 20 Feb 2008 09:51:23 -0300 From: "Thiago Damas" To: freebsd-hackers@freebsd.org In-Reply-To: <20080219040912.GA14809@kobe.laptop> MIME-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1 Content-Transfer-Encoding: 7bit Content-Disposition: inline References: <86068e730802181718s1ad50d3axeae0dde119ddcf92@mail.gmail.com> <47BA3334.4040707@andric.com> <86068e730802181954t52e4e05ay65e04c5f6de9b78a@mail.gmail.com> <20080219040912.GA14809@kobe.laptop> 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: Wed, 20 Feb 2008 13:17:45 -0000 And if you make a wrapper, and execute like a shell script: #!/usr/local/bin/mysecyritywrapper <...encryted code goes where...> In this way. it'll be hard to use truss, ktrace, strace etc... []s On Feb 19, 2008 1:09 AM, Giorgos Keramidas wrote: > On 2008-02-18 19:54, Jerry Toung wrote: > >On Feb 18, 2008 5:39 PM, 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? :) > > > > I need to encrypt elf binaries. I'd like to make it harder for the bad > > guy to reverse engineer my app. > > You know about truss/ktrace/strace already, right? > > It may be moot to encrypt the ELF binary, if the `bad guy' can access > the running image of the process *after* it has been decrypted to > execute. > > > _______________________________________________ > freebsd-hackers@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-hackers > To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" >