Information security – Prevention of unauthorized use of data including prevention...
Reexamination Certificate
2007-04-03
2007-04-03
Barroń, Jr., Gilberto (Department: 2134)
Information security
Prevention of unauthorized use of data including prevention...
C726S027000, C713S165000, C380S278000
Reexamination Certificate
active
10242100
ABSTRACT:
An apparatus and a receiver, which is in a broadband communication system, includes the logic necessary for protecting keys used for encrypting content that is received by the receiver. The apparatus validates the keys and denies the receiver the use of the keys if they become invalid.
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Mattox Mark D.
Wasilewski Anthony J.
Barro, Jr. Gilberto
Brown Christopher J
Scientific-Atlanta, Inc.
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