Apparatus for encryption key management

Information security – Prevention of unauthorized use of data including prevention...

Reexamination Certificate

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Details

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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Scientific-Atlanta, Inc. Pending U.S. Appl. No. 10/015,351, filed Dec. 11, 2001, Title: “Encrypting Received Content,” Inventors: Howard G. Pinder and Jeffrey C. Hopper.
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International Standard ISO/IEC 13818-1: 2000, Technical Corrigendum 1, “Information Technology—Generic Coding of Moving Pictures and Associated Audio Information: Systems,” published Mar. 1, 2002, pp. 1-154.

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