Cryptography – Particular algorithmic function encoding
Reexamination Certificate
2006-05-30
2006-05-30
Moise, Emmanuel (Department: 2134)
Cryptography
Particular algorithmic function encoding
C380S201000, C380S203000
Reexamination Certificate
active
07054443
ABSTRACT:
A digital rights management (DRM) distribution architecture produces and distributes digital goods (e.g., software, audio, video, and other content) in a fashion that renders the digital goods resistant to many known forms of attacks. The DRM distribution architecture protects digital goods by automatically and randomly manipulating portions of the code using multiple protection techniques. Applying a mixture protection techniques in random fashion makes it extremely difficult for pirates to create illicit copies that go undetected as legitimate copies. In addition, the architecture also supports a quantitative unit that allows a producer to specify how much protection may be added to the digital good.
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Jakubowski Mariusz H.
Sinha Saurabh
Venkatesan Ramarathnam
Lee & Hayes PLLC
Microsoft Corporation
Moise Emmanuel
Tran Tongoc
LandOfFree
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