Cryptography – Video cryptography – Copy protection or prevention
Reexamination Certificate
2007-06-05
2007-06-05
Moise, Emmanuel L. (Department: 2137)
Cryptography
Video cryptography
Copy protection or prevention
C713S193000, C705S057000, C705S067000
Reexamination Certificate
active
10006465
ABSTRACT:
A secure software system for a portable device or computer that provides a simple interface to the device or computer and that retrieves and dynamically decrypts keys and content from a secure media while minimizing exposure of the keys and eliminating the need for manufacturers of the device or computer to create a their own system to manage these complex processes.
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Chang Robert C.
Qawami Bahman
Sabet-Sharghi Farshid
Moise Emmanuel L.
Pyzocha Michael
SanDisk Corporation
Winston & Strawn LLP
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