METHOD OF TRANSMITTING MESSAGES BETWEEN DISTRIBUTED AUTHORIZATION SERVER AND CONDITIONAL ACCESS MODULE AUTHENTICATION SUB-SYSTEM IN RENEWABLE CONDITIONAL ACCESS SYSTEM, AND RENEWABLE CONDITIONAL ACCESS SYSTEM HEADEND
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United States of America Patent
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Issued Date -
Jun 9, 2016
app pub date -
Nov 17, 2015
filing date -
Dec 4, 2014
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Abstract
A Renewable Conditional Access System (RCAS) headend of an RCAS and a method of transmitting messages between a Distributed Authorization Center (DAC) and a Conditional Access Module (CAM) Authentication module Sub-System (CASS) included in the RCAS headend. The method of transmitting messages between a DAC and a CASS includes: transmitting, by a CASS, a subscription message for a subscription request to a DAC when receiving a subscription request from a Set-Top Box (STB); processing, by the DAC, the subscription of the STB based on the subscription message received from the CASS; and transmitting, by the DAC, a response message including security parameters to the CASS.
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