Digital Rights Management Glossary


Analog Hole
The term "analog hole" refers to unprotected analog signals (including formerly protected digital signals that are stripped of their protection as they pass through analog outputs) that can be captured by digital devices and thereby redistributed or duplicated without authorization.

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Broadcast Protection Discussion Group - BPDG
http://www.cptwg.org/assets/bpdg/home%20page.htm
The Broadcast Protection Discussion Group is a working group comprised of content providers, television broadcasters, consumer electronics manufacturers, information technology companies, interested individuals and consumer activists. The group was formed specifically for the purpose of evaluating the suitability of the broadcast flag for preventing unauthorized redistribution (including unauthorized redistribution over the Internet) of unencrypted digital terrestrial bradcast television (DTV) and to determine whether there was substantial support for the broadcast flag. The group completed its mission with the release of the BPDG Report http://www.cptwg.org/assets/bpdg/bpdg%20preport.doc

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Broadcast Flag
The broadcast flag is a sequence of digital bits embedded in a television program that signals that the program must be protected from unauthorized redistribution.

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Digital watermark
A pattern of bits embedded into a file used to identify the source of illegal copies. For example, if a digital watermark is placed into a master copy of an audio CD or a DVD movie, then all copies of that disc are uniquely identified. If a licensee were to manufacture and distribute them in areas outside of its authorized territory, the watermark provides a trace.

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Copy Protection Technical Working Group (CPTWG)
http://www.cptwg.org
Formed by Consumer Electronics Association, Motion Picture Association of America, and the Technology Industries Council with additional support from the Recording Industry Association of America and the Business Software Alliance. Meetings are attended by content providers, television broadcasters, consumer electronics manufacturers, information technology companies, interested individuals and consumer activists; discussions focus on content protection technologies that inhibit access, use or reproduction not authorized by copyright owners.

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Organization for the Advancement of Structured Information (OASIS)
http://www.oasis-open.org
A not-for-profit, international consortium that designs and develops e-commerce standard interoperability specifications using eXtensible Markup Language (XML). OASIS produces worldwide standards for security, Web services, XML conformance, business transactions, electronic publishing, topic maps and interoperability within and between marketplaces.

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Palladium
Microsoft defines Palladium as "the code name for an evolutionary set of features for the Microsoft® Windows® operating system. When combined with a new breed of hardware and applications, these features will give individuals and groups of users greater data security, personal privacy, and system integrity. In addition, "Palladium" will offer enterprise customers significant new benefits for network security and content protection.

Microsoft white paper on Palladium:
http://www.microsoft.com/PressPass/features/2002/jul02/0724palladiumwp.asp

Article expressing caution about Palladium, "Can we trust Microsoft's Palladium?"
http://www.salon.com/tech/feature/2002/07/11/palladium/

EPIC article expressing concerns that "Palladium could place Microsoft as the gatekeeper of identification and authentication."
http://www.epic.org/privacy/consumer/microsoft/palladium.html

EFF summary of a meeting on Palladium:
http://vitanuova.loyalty.org/2002-07-05.html

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Trusted Computing Platform Alliance (TCPA)
http://www.trustedcomputing.org
Comprised of Compaq, HP, IBM, Intel and Microsoft is an open alliance established to work on creating a new computing platform for the next century that will provide for improved trust in the PC platform.

FAQ article about TCPA and Palladium by Cambridge University Professor Ross Anderson discusses potential negative effects of these trusted platforms.
http://www.cl.cam.ac.uk/~rja14/tcpa-faq.html

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