Method for binding machine and card in mobile multimedia broadcasting system

A mobile multimedia and machine-card binding technology, applied in the field of mobile multimedia broadcasting and communication, can solve the problems of operator's business loss and hidden danger of system security, and achieve the effect of improving anti-cracking ability and protecting interests.
CN100571369CInactive Publication Date: 2009-12-16ZTE CORP
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
ZTE CORP
Publication Date
2009-12-16
Estimated Expiration
Not applicable · inactive patent

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Abstract

A method for realizing machine-card binding in a mobile multimedia broadcasting system, comprising the following steps: (1) determining a unique serial number and card number for each mobile multimedia receiving device and conditional access card; When a conditional access card is used in combination with a mobile multimedia receiving device, the user is prompted through the man-machine interface to send the number of the receiving device and the conditional access card number to the conditional access system to perform machine card binding; The conditional access card user bound with the machine card sends a key and a key update, and carries the mobile multimedia receiving device number bound with the conditional access card number in the key; (4) the conditional access card carries out the conditional access information The decryption process obtains the serial number of the multimedia receiving device in the key, and compares it with the serial number of the receiving device used in conjunction with it. If it is consistent, continue to perform subsequent business processing, and if not, discard the condition information.
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Description

technical field

[0001] The invention relates to the field of communication, in particular to the field of mobile multimedia broadcasting, and relates to a method for realizing machine-card binding in a mobile multimedia broadcasting system. Background technique

[0002] With the development of digital TV technology, viewers will face more and more choices of digital TV programs. However, due to the increase in investment costs, the broadcasting industry requires users to charge certain viewing fees. The conditional access system is a system that implements access control for certain broadcasting services. It uses various digital technologies to scramble programs so that only authorized users can watch (listen) the scrambled programs and realize digital TV. Paid service of (audio) broadcasting system.

[0003] The existing digital TV conditional access generally adopts a multi-layer key mechanism to encrypt the transmission program. The key factors of the conditional access...

Claims

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