How to grant viewing authority in unit of unit for Euro broadcasting service

摘要

1. Technical field to which the invention described in the claims belongs: Method of granting viewing rights in units of units for pay broadcasting service;2. Technical problem to be solved by the present invention: For the pay-TV service, the database management system (DBMS) capable of managing a large database for billing processing by subscriber and a post-processing system for billing processing were required. There was also the possibility of the leakage of subscriber's personal information.;3. Summary of Solution of the Invention: Message containing authentication key and price information and expiration date is stored in smart card and issued to subscriber, and the authentication message is generated by encrypting broadcast program price and current time information, and paid After scrambling and transmitting the broadcast program to the receiver, the receiver decrypts the unit authentication message and is a valid subscriber. It can minimize costs, avoid the leakage of subscriber's personal information, and prevent illegal broadcasting.;4. Significant use of the invention: Used in pay-TV systems for authorizing viewing.