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Date:      Tue, 19 Feb 2008 06:09:13 +0200
From:      Giorgos Keramidas <keramida@ceid.upatras.gr>
To:        Jerry Toung <jrytoung@gmail.com>
Cc:        freebsd-hackers@freebsd.org, Dimitry Andric <dimitry@andric.com>
Subject:   Re: encrypted executables
Message-ID:  <20080219040912.GA14809@kobe.laptop>
In-Reply-To: <86068e730802181954t52e4e05ay65e04c5f6de9b78a@mail.gmail.com>
References:  <86068e730802181718s1ad50d3axeae0dde119ddcf92@mail.gmail.com> <47BA3334.4040707@andric.com> <86068e730802181954t52e4e05ay65e04c5f6de9b78a@mail.gmail.com>

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On 2008-02-18 19:54, Jerry Toung <jrytoung@gmail.com> wrote:
>On Feb 18, 2008 5:39 PM, Dimitry Andric <dimitry@andric.com> 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.




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