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Downloadable conditional access system, channel setting method and message structure for 2-way communication between terminal and authentication server in the downloadable conditional access system
Downloadable conditional access system, channel setting method and message structure for 2-way communication between terminal and authentication server in the downloadable conditional access system
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机译:可下载条件访问系统中终端与认证服务器之间双向通信的可下载条件访问系统,信道设置方法和消息结构
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摘要
Provided are a Downloadable Conditional Access System (DCAS), and a channel setting method and a message format for a 2-way communication between a terminal and an authentication server in the DCAS. The DCAS may include: a verification unit to verify an electronic signature and an integrity with respect to a message received from the authentication server; an extraction unit to extract network access information of the authentication server from the message in which the electronic signature and the integrity are verified; and a channel setting unit to set a communication channel with the authentication server based on the extracted network access information.
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