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Digital TV conditional access system and processing procedure
Digital TV conditional access system and processing procedure
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机译：数字电视条件接收系统及处理程序
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摘要
Limited reception system of challenges the conventional, not be resolved defect safety, cost, in versatility. Shows the processing procedure and the conditional access system of the digital television, it is with the structure, the authentication module, a conditional access front end module, receiver module are included, among them, The invention relates to both the receiver module and the authentication module The authentication module to the receiving end in communication direction, generates an authentication information receiving end ID number unique to the registration database relevant information receiver module. Database and limited reception front end module to communicate in both directions, call the information at the receiving end of the database, and to complete the encryption process for the authorized management information belonging to the receiving end, and handed out at the receiving end module in the addressing scheme of correspondingly limited reception authorized control information generator corresponding is also included on the front end module, the receiving end module to complete the limited reception of a security scramble program and authentication information ID number that could be during authentication. [Selection Figure Figure 2
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