Downloadable conditional access system and method of session control for secured 2-way communication between authentication server and host device in downloadable conditional access system
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United States of America Patent
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Apr 24, 2012
Grant Date -
May 27, 2010
app pub date -
Sep 3, 2009
filing date -
Nov 21, 2008
priority date (Note) -
Expired
status (Latency Note)
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Abstract
Disclosed is a downloadable conditional access system (DCAS) including a key request unit to transmit a key request message to an authentication server, an authentication request unit to request authentication from the authentication server based on a key response message received from the authentication server in response to the key request message, and a session establishment unit to establish a session with the authentication server, based on an authentication response message received in response to the authentication request.
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