RE: steganography

From: Eugene Leitl (Eugene.Leitl@lrz.uni-muenchen.de)
Date: Mon Oct 01 2001 - 14:55:11 MDT


On Mon, 1 Oct 2001, Harvey Newstrom wrote:

> I remain undefeated at detecting steganography. I would love to get a real

Hey, some of us have a life, and a dayjob. Give me some more time, will
you?

> challenge that is not trivial to detect. I would even enjoy failing such a
> challenge, because it might signal hope for the development of undetectable
> steganography. Thus far, however, I see no evidence that undetectable
> steganography is even theoretically possible.

Of course it's possible: you have to just substitute the noise in a given
source by a pseudorandom source bearing the same signature. Preparing
proper signature is not trivial, but it's not rocket science, either.

-- Eugen* Leitl <a href="http://www.lrz.de/~ui22204/">leitl</a>
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