----- Original Message -----
From: "Akira Rabelais" <akirarabelaisAThotmail.com>
To: <microsoundAThyperreal.org>
Sent: Tuesday, April 24, 2001 5:59 PM
Subject: [microsound] Challenge to the results of the challenge (SDMI)
> some of you might like this...
>
> xoxo,
>
> Akira Rabelais
>
>
> A copy of the letter from Matthew J. Oppenheim to Professor Edward Felton
> regarding the release of information about cracking SDMI. Also includes:
>
> >Reading Between the Lines: Lessons from the SDMI Challenge
>
> http://cryptome.org/sdmi-attack.htm
>
> (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. )...
> _________________________________________________________________
> Get your FREE download of MSN Explorer at http://explorer.msn.com
>
>
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"Using the techniques we have presented here, we believe no public watermark-based scheme intended to thwart copying will succeed. Other techniques may or may not be strong against attacks. For example, the encryption used to protect consumer DVDs was easily defeated. Ultimately, if it is possible for a consumer to hear or see protected content, then it will be technically possible for the consumer to copy that content." - 'Lessons from the SDMI Challenge'