发明名称 |
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 |
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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申请公布号 |
US2010125733(A1) |
申请公布日期 |
2010.05.20 |
申请号 |
US20090551453 |
申请日期 |
2009.08.31 |
申请人 |
ELECTRONICS AND TELECOMMUNICATIONS |
发明人 |
KIM SOON CHOUL;KWON O HYUNG;LEE SOO IN |
分类号 |
H04L9/32;G06F9/44 |
主分类号 |
H04L9/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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