Method for updating key in DCATV conditional access system

The present invention properly updates a key in various situations in order to secure liability of a service in a conditional access system for a digital cable television service. A method for updating a key in a conditional access system of a digital cable television service includes the step of re...

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Hauptverfasser:	Koo, Han-Seung, Kwon, Eun-Jung, Kim, TaeKyoon, Kwon, O-Hyung, Ahn, Chieteuk
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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