Lessons from the Sony CD DRM Episode

[Dave Farber <dave () farber net>]

-------- Original Message --------
Subject: Lessons from the Sony CD DRM Episode
Date: Thu, 16 Feb 2006 22:02:08 -0500
From: Monty Solomon <monty () roscom com>
To: undisclosed-recipient:;


Lessons from the Sony CD DRM Episode

J. Alex Halderman and Edward W. Felten
Center for Information Technology Policy
Department of Computer Science
Princeton University

Extended Version
February 14, 2006

Abstract

In the fall of 2005, problems discovered in two Sony-BMG compact disc
copy protection systems, XCP and MediaMax, triggered a public uproar
that ultimately led to class-action litigation and the recall of
millions of discs. We present an in-depth analysis of these
technologies, including their design, implementation, and deployment.
The systems are surprisingly complex and suffer from a diverse array
of flaws that weaken their content protection and expose users to
serious security and privacy risks. Their complexity, and their
failure, makes them an interesting case study of digital rights
management that carries valuable lessons for content companies, DRM
vendors, policymakers, end users, and the security community.

...

http://itpolicy.princeton.edu/pub/sonydrm-ext.pdf


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