[linux-elitists] "DCMA"

Karsten M. Self kmself@ix.netcom.com
Sat Apr 21 00:29:00 PDT 2001

on Fri, Apr 20, 2001 at 11:54:20PM -0700, Aaron Lehmann (aaronl@vitelus.com) wrote:
> http://cryptome.org/sdmi-attack.htm:
> As you are aware, at least one of the technologies that was the subject
> of the Public Challenge, the Verance Watermark, is already in commercial
> use and the disclosure of any information that might assist others to
> remove this watermark would seriously jeopardize the technology and
> the content it protects.1 Other technologies that were part of the
> Challenge are either likewise in commercial use or could be could be
> utilized in this capacity in the near future. Therefore, any disclosure
> of information that would allow the defeat of those technologies would
> violate both the spirit and the terms of the Click-Through Agreement
> (the "Agreement"). In addition, any disclosure of information gained
> from participating in the Public Challenge would be outside the scope
> of activities permitted by the Agreement and could subject you and your
> research team to actions under the Digital Millennium Copyright Act
> ("DCMA").
>   ^^^^

Speaking o'wot, any idea what whatermarking Napster's going to be using?

It's apparently vended by Relatable, and utilizes extant characteristics
of sound recordings to identify them.  Appears to be a different beast.
Not sure if DMCA plays a role or not with this.  Would also be
interesting to know what the weaknesses of this method are.  If realtime
(or low-cost) audiostream modification could make this impractical, it's
not going to go very far.  You don't need encryption, just obfuscation.

Karsten M. Self <kmself@ix.netcom.com>    http://kmself.home.netcom.com/
 What part of "Gestalt" don't you understand?       There is no K5 cabal
  http://gestalt-system.sourceforge.net/         http://www.kuro5hin.org
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