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SDMI demands Princeton prof "destroy" paper about vulnerability
- Date: Sat, 21 Apr 2001 02:22:00 -0400
- To: politech@politechbot.com
- Subject: FC: SDMI demands Princeton prof "destroy" paper about vulnerability
- From: Declan McCullagh <declan@well.com>
- Cc: felten@cs.princeton.edu, AWeiss@riaa.com
I understand the document is mirrored at:
http://www.cluebot.com/docs/sdmi-attack.zip
Background:
http://www.wired.com/news/print/0,1294,41183,00.html
Princeton professor Edward Felten's team at Princeton broke Verance's
watermarking system, but they weren't allowed to publish the hack
because it would run afoul of the DMCA's anti-circumvention statue.
***********
From: John Young <jya@pipeline.com>
Subject: RIAA Warns SDMI Hackers
To: cypherpunks@lne.com
Date: Fri, 20 Apr 2001 22:36:45 -0400
RIAA and The SDMI Foundation on April 9 warned Ed Felten
and his researchers not to publish their paper about the
weaknesses of the SDMI content protection system at the
4th International Information Hiding Workshop to be held
April 25-29, 2001. Their paper is public:
http://cryptome.org/sdmi-attack.htm (41K text with 11 images)
Zipped text and images:
http://cryptome.org/sdmi-attack.zip (328K)
***********
http://cryptome.org/sdmi-attack.htm
April 9, 2001
Professor Edward Felton
Department of Computer Science
Princeton University
Princeton, NY 08544
Dear Professor Felten,
We understand that in conjunction with the 4th International
Information Hiding Workshop to be held April 25-29, 2001, you and your
colleagues who participated in last year's Secure Digital Music
Initiative ("SDMI") Public Challenge are planning to publicly release
information concerning the technologies that were included in that
challenge and certain methods you and your colleagues developed as
part of your participation in the challenge. On behalf of the SDMI
Foundation, I urge you to reconsider your intentions and to refrain
from any public disclosure of confidential information derived from
the Challenge and instead engage SDMI in a constructive dialogue on
how the academic aspects of your research can be shared without
jeopardizing the commercial interests of the owners of the various
technologies.
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").
____________________
1 The Verance Watermark is currently used for DVD-Audio and SDMI
Phase I products and certain portions of that technology are trade
secrets.
We appreciate your position, as articulated in the Frequently Asked
Questions document, that the purpose of releasing your research is not
designed to "help anyone impose or steal anything." Further more, you
participation in the Challenge and your contemplated disclosure
appears to be motivated by a desire to engage in scientific research
that will ensure that SDMI does not deploy a flawed system.
Unfortunately, the disclosure that you are contemplating could result
in significantly broader consequences and could directly lead to the
illegal distribution of copyrighted material. Such disclosure is not
authorized in the Agreement, would constitute a violation of the
Agreement and would subject your research team to enforcement actions
under the DMCA and possibly other federal laws.
As you are aware, the Agreement covering the Public challenge narrowly
authorizes participants to attack the limited number of music samples
and files that were provided by SDMI. The specific purpose of
providing these encoded files and for setting up the Challenge was to
assist SDMI in determining which of the proposed technologies are best
suited to protect content in Phase II products. The limited waiver of
rights (including possible DMCA claims) that was contained in the
Agreement specifically prohibits participants from attacking content
protected by SDMI technologies outside the Public Challenge. If your
research is released to the public this is exactly what could occur.
In short, you would be facilitating and encouraging the attack of
copyrighted content outside the limited boundaries of the Public
Challenge and thus places you and your researchers in direct violation
of the Agreement.
In addition, because public disclosure of your research would be
outside the limited authorization of the Agreement, you could be
subject to enforcement actions under federal law, including the DMCA.
The Agreement specifically reserves any rights that proponents of the
technology being attacked may have "under any applicable law,
including, without limitation, the U.S. Digital Millennium Copyright
Act, for any acts not expressly authorized by their Agreement." The
Agreement simply does not "expressly authorize" participants to
disclose information and research developed through participating in
the Public challenge and such disclosure could be the subject of a
DMCA action.
We recognize and appreciate your position, made clear throughout this
process, that it is not your intention to engage in any illegal
behavior or to otherwise jeopardize the legitimate commercial
interests of others. We are concerned that your actions are outside
the peer review process established by the Public Challenge and setup
by engineers and other experts to ensure the academic integrity of
this project. With these facts in mind, we invite you to work with the
SDMI Foundation to find a way for you to share the academic components
of your research while remaining true to your intention to not violate
the law or the Agreement. In the meantime, we urge you to withdraw the
paper submitted for the upcoming Information Hiding Workshop, assure
that it is removed from the Workshop distribution materials and
destroyed, and avoid a public discussion of confidential information.
Sincerely,
[Signature]
Matthew Oppenheim, Secretary
The SDMI Foundation
cc: Mr. Ira S. Moskowitz, Program Chair, Information Hiding Workshop,
Naval Research Laboratory
Cpt. Douglas S. Rau, USN, Commanding Officer, Naval Research
Laboratory
Mr. Howard Ende, General Counsel of Princeton
Mr. Edward Dobkin, Computer Science Department Head of Princeton
_________________________________________________________________
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