DISABLING A CLEARTEXT CONTROL WORD LOADING MECHANISM IN A CONDITIONAL ACCESS SYSTEM

DISABLING A CLEARTEXT CONTROL WORD LOADING MECHANISM IN A CONDITIONAL ACCESS SYSTEM

Various embodiments enable a chipset of a receiver of a conditional access system to block cleartext control words provided to the chipset from being used to descramble content. Hereto the chipset comprises a trigger module configured to obtain a disable command that is received with an encrypted Ch...

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1. Verfasser: PETRUS MARIA VAN DE VEN ANTONIUS JOHANNES
Format: Patent
Sprache:eng
Schlagworte:
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
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creator PETRUS MARIA VAN DE VEN ANTONIUS JOHANNES
description Various embodiments enable a chipset of a receiver of a conditional access system to block cleartext control words provided to the chipset from being used to descramble content. Hereto the chipset comprises a trigger module configured to obtain a disable command that is received with an encrypted Chip Set Session Key (CSSK) and, if the disable command is obtained, have the chipset block any cleartext control word.
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subjects ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
PICTORIAL COMMUNICATION, e.g. TELEVISION
title DISABLING A CLEARTEXT CONTROL WORD LOADING MECHANISM IN A CONDITIONAL ACCESS SYSTEM
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