Method and apparatus for supporting multiple broadcasters independently using a single conditional access system
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United States of America Patent
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Nov 12, 2019
Grant Date -
Nov 2, 2017
app pub date -
Jul 17, 2017
filing date -
Oct 18, 2004
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Abstract
A method and apparatus for brokering the enablement of the communication of encrypted media programs from a plurality of independent broadcasters to a plurality of receivers is disclosed. The system makes use of a pairing key for each provided service, which is differently encrypted by a pairing server and by the broadcaster providing the service. The encrypted versions of the pairing key are decrypted in a first receiver module using information known to the pairing service but not the broadcaster and in a second receiver module using information known to the broadcaster. The pairing key is used to cryptographically bind the first and second receiver modules.
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