Method and apparatus for encrypting media programs for later purchase and viewing
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United States of America Patent
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Aug 5, 2008
Grant Date -
Mar 27, 2003
app pub date -
Sep 21, 2001
filing date -
Sep 21, 2001
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A system and method for storing and retrieving program material for subsequent replay is disclosed. The method includes accepting a receiver ID associated with a receiver key stored in a memory of the receiver, determining a pairing key for encrypting communications between the conditional access module and the receiver, encrypting the pairing key with the receiver key, and transmitting a message comprising the encrypted pairing key to the receiver. The apparatus comprises a receiver for receiving a data stream transmitting a media program encrypted according to a media encryption key and an encrypted media encryption key and a conditional access module, communicatively coupleable with the receiver.
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