Method and apparatus for controlling paired operation of a conditional access module and an integrated receiver and decoder
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United States of America Patent
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Sep 14, 2010
Issued Date -
N/A
app pub date -
Sep 20, 2002
filing date -
Sep 21, 2001
priority date (Note) -
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Abstract
A method and apparatus that selectively pairs a receiver (132) configured to receive a media program encrypted according to a media encryption key and a conditional access module. In one embodiment, the apparatus comprises a security module (508) for receiving and modifying the media encryption key, and a transport module (412), comprising a decryptor (524) for decrypting the media program. The media encryption key has a portion indicating a first state in which the media program is to be viewable by a set of receivers or a second state in which the media program is to be viewable only by a subset of the set of receivers.
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