System and method for secure conditional access download and reconfiguration
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United States of America Patent
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Jun 3, 2008
Grant Date -
Jun 22, 2006
app pub date -
Dec 18, 2004
filing date -
Dec 18, 2004
priority date (Note) -
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Abstract
A method of securely downloading at least one of conditional access software (CAS), Digital Rights Management software (DRMS), Trusted Domain Software (TDS), and Gaming Security Software (GSS) includes presenting a specialized entitlement management message (EMM) to initiate the download to a receiver security device using a supervisory logon key (SLK) split to logon with a second split contained inside the receiver security device, presenting a receiver digitally signed random challenge from the receiver security device to a sender security server to establish authentication of the receiver security device to the sender security server, and signing and returning the receiver random challenge from the sender security server to the receiver security device with a sender random challenge to establish authentication of the sender security server to the receiver security device.
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