[11778] in cryptography@c2.net mail archive
Re: Real-world steganography
daemon@ATHENA.MIT.EDU (Bram Cohen)
Tue Oct 1 10:07:14 2002
Date: Mon, 30 Sep 2002 21:38:53 -0700 (PDT)
From: Bram Cohen <bram@gawth.com>
To: Peter Gutmann <pgut001@cs.auckland.ac.nz>
Cc: cryptography@wasabisystems.com, cypherpunks@lne.com
In-Reply-To: <200210010154.NAA93137@ruru.cs.auckland.ac.nz>
Peter Gutmann wrote:
> I recently came across a real-world use of steganography which hides extra
> data in the LSB of CD audio tracks to allow (according to the vendor) the
> equivalent of 20-bit samples instead of 16-bit and assorted other features.
I don't think that's really 'steganography' per se, since no attempt is
made to hide the fact that the information is in there. The quasi-stego
used is just to prevent bad audio artifacts from happening.
-Bram Cohen
"Markets can remain irrational longer than you can remain solvent"
-- John Maynard Keynes
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