Read/write encrypted media and method of playing

Details Read/write encrypted media and method of playing Read/write encrypted media and method of playing

2008-01-12

2011-12-20

Smithers, Matthew (Department: 2437)

Information security

Prevention of unauthorized use of data including prevention...

Copy inactivation

C705S052000, C380S232000

Reexamination Certificate

active

08082592

ABSTRACT:
A new media device including a decryption device that is operable to create a decryption key to read media. The decryption device is itself a read/write device that allows reducing or decrementing each time the decryption key is used.

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