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Method for mobile terminal using content of service of broadcast/multicast

A mobile terminal and multicast service technology, which is applied in broadcast service distribution, radio/inductive link selection and arrangement, security devices, etc., can solve problems such as bad users, increased network burden, and long time, so as to improve service experience, Reduce network load and save time

Inactive Publication Date: 2007-05-30
CHINA MOBILE COMM GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In addition, the certification center needs to continuously manage the certificates of mobile terminals and servers, such as certificate revocation, certificate renewal, or certificate status query. It takes a long time and the process is complicated, which increases the network burden and brings bad feelings to users ; In addition, the certification center needs to generate the public-private key pair used by the server and the mobile terminal. The volume of the information encrypted by the public key is relatively large, and the speed of using the public key to encrypt and decrypt the information is slow, which also wastes the mobile terminal user's time. time, causing inconvenience to mobile terminal users

Method used

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  • Method for mobile terminal using content of service of broadcast/multicast
  • Method for mobile terminal using content of service of broadcast/multicast

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Embodiment Construction

[0037] Referring to Fig. 1, Fig. 1 shows a specific process for the mobile terminal of the present invention to use broadcast / multicast service content, and it specifically performs the following steps:

[0038] Step 101. The mobile terminal (User Equipment, UE) sends request information for using the broadcast / multicast service to the network application service function module (Network Application Function, NAF);

[0039] Step 102.NAF checks whether there is a Generic Bootstrapping Architecture (GBA) parameter in the UE, if it does not exist, execute step 103; if it exists, then jump to execute step 106;

[0040] Step 103.NAF replies to UE a message notifying UE to run GBA;

[0041] Step 104.NAF runs the GBA and UE mutual authentication through a bootstrapping server function module (Bootstrapping Server Function, BSF), if the mutual authentication is passed, execute step 105; otherwise, jump to execute step 115;

[0042] The mutual authentication between the server and the...

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Abstract

This invention relates to one mobile terminal broadcast business content method, which comprises the following steps: terminal and servo realize interact authorization right and generate symmetric key through operation common lead frame program; the said terminal uses the key for coding to get key codes; the terminal gets right aim to servo; if the right aim is complete, the terminal uses right key to decode aim non-coded service and program; the said terminal uses service or keys to decode transmission key information to get transmission key information; the terminal digital edit ring management right to decode broadcasting business content.

Description

technical field [0001] The present invention relates to a method for a mobile terminal to use broadcast / multicast service content, in particular to a mobile terminal using a broadcast / multicast service that completely uses a symmetric key to protect the broadcast / multicast service content in a mobile communication network. The method of business content. Background technique [0002] With the rapid development of communication technology, broadcast / multicast services have been widely used in the field of mobile data, which greatly facilitates the life of mobile terminal users, enriches the service usage of mobile terminal users, and injects new technologies into the field of mobile communication. vitality. Because in the broadcast / multicast service, the information content involves many copyrighted multimedia information, therefore, the mobile communication network must carry out corresponding copyright protection for its service information. Currently adopted protection s...

Claims

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Application Information

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IPC IPC(8): H04Q7/38H04W4/06H04W12/041H04W12/069H04W12/084
Inventor 王利明刘斐奚青武传坤张慧媛
Owner CHINA MOBILE COMM GRP CO LTD
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