Data protection method of multimedia broadcast multicast service

A technology for multimedia broadcast and multicast services, which is applied in the data protection field of multimedia broadcast and multicast services, and can solve problems such as data not being properly protected and the interests of service providers being damaged.

Inactive Publication Date: 2009-02-18
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

That is to say, there is no authority definition for the user's use of these information (such as the number of times the service information is used, the time interval of use, the date of use, the use of the system, and whether the service information can be forwarded, etc.), so that the user is using After MTK obtains the decrypted service information, it can use the service information at will, such as reading, modifying, forwarding or illegally copying and disseminating, etc., so that the interests of service providers have been greatly damaged, and their data has not been properly protected

Method used

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  • Data protection method of multimedia broadcast multicast service
  • Data protection method of multimedia broadcast multicast service

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] figure 1 Embodiment 1 of a digital data protection method for multimedia broadcasting and multicasting services specifically includes the following steps:

[0022] Step 101: Run the general boot program on the user terminal installed with the proxy module for controlling the use of service information according to the authority information, and the general boot program passes the legal authentication of the user terminal and the multimedia broadcast multicast service server, and the user The shared MUK and MRK are generated on the terminal and the multimedia broadcast multicast service server;

[0023] Step 102: The user terminal obtains the MBMS service information list by running the user service discovery / announcement program, and after using the MRK to register the required service, the MBMS server simultaneously generates a service request according to the user registration, for example, using Twice, set to send the authority information (UserObject, UO for short)...

Embodiment 2

[0027] figure 2 Embodiment 2 of the data protection method for multimedia broadcast and multicast services specifically includes the following steps:

[0028] Step 201: Run the general boot program on the user terminal installed with the proxy module for controlling the use of service information according to the authority information, and the general boot program passes the legal authentication of the user terminal and the multimedia broadcast multicast service server, and the user The terminal and the multimedia broadcast multicast service server generate shared MUK and MRK;

[0029] Step 202: The user terminal obtains the MBMS service information list by running the user service discovery / announcement program, and after using the MRK to register the required service, the MBMS server uses the service request for 6 hours according to the service request when the user registers, for example, Set the authority for 6 hours, generate the UO of the 6-hour limited information whi...

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Abstract

This invention relates to one multi-media broadcast play business data protection method, which comprises the following steps: fixing agent module user terminal operation guide program to generate MUK and MRK according to right information control service information; the said servo registers on user terminal to send it to user terminal and coded MSK and coded MTK; then agent module limits service information use according to the said U0 right.

Description

technical field [0001] The invention relates to a data protection method for multimedia broadcast and multicast services, in particular to a data protection method for multimedia broadcast and multicast services in a communication network. Background technique [0002] Now people's demand for mobile communication is no longer satisfied with telephone and message services. With the rapid development of the Internet, a large number of multimedia services have emerged. In order to realize the most effective use of mobile network resources, WCDMA / GSM global standardization organization 3GPP proposed multimedia broadcast Multicast service (MBMS: MultimediaBroadcast / Multicast Service). Due to the broadcast transmission characteristics of the MBMS service, each user terminal can obtain the multimedia files sent in the broadcast at any time. In order to prevent non-registered users from freely obtaining such information services provided by the network side, the network side usuall...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N7/16
Inventor 王利明刘斐奚青武传坤魏冰张慧媛
Owner CHINA MOBILE COMM GRP CO LTD
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