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Method and device for processing authorization management information

A technology for authorizing management information and processing methods, which is applied in the field of digital TV, can solve problems such as data loss, large storage resources, and congestion, and achieve the effects of reducing loss, saving storage resources, and improving data reception rate

Active Publication Date: 2020-03-10
HISENSE BROADBAND MULTIMEDIA TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Embodiments of the present invention provide a method and device for processing authorization management information, which are used to solve the problems in the prior art that many and frequent emm data occupy large storage resources, untimely emm data processing is likely to cause congestion and data loss problems

Method used

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  • Method and device for processing authorization management information
  • Method and device for processing authorization management information

Examples

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Effect test

Embodiment 1

[0037] An embodiment of the present invention provides a method for processing authorization management information. The execution subject of the method is a device for processing authorization management information. The device may be as follows: figure 1 The set-top box shown may also be an integrated machine of the set-top box and the display, and may also be some hardware and / or software modules in the set-top box. like figure 2 As shown, the method includes the following steps:

[0038] S101. Receive the authorization management information sent by the front end of the conditional access system.

[0039] Wherein, the conditional access system may be CAS (Conditional Access System), preferably B-CAS in the embodiment of the present invention.

[0040] For the convenience of subsequent description, the authorization management information received in this step is recorded as: emm_T.

[0041] S102. Determine the information attribute of the entitlement management informa...

Embodiment 2

[0058] The method for subsequent processing of the effective emm_T obtained in step S105 of the first embodiment above includes the following steps, such as image 3 Specifically shown are:

[0059] S201. If emm_T is valid information, determine the type of information content in the emm_T.

[0060] This step may specifically include: determining the type of information content in emm_T according to the field in emm_T, where the type of information content includes mail (mail) or notification (message). For example, if the effective emm_T is personal information, it is distinguished whether the information content in emm_T is an email or a notification according to the Message control in emm_T. If the effective emm_T is shared information, firstly, according to the format_version field in emm_T shared information and the extra_message_format_version in the information list (when emm_T is received as personal information, the information list will collect the extra_message_for...

Embodiment 3

[0085] An embodiment of the present invention provides a device for processing authorization management information. The device may be software or hardware, and the implementation of each functional module may refer to the above-mentioned embodiments, and details are not repeated here. Such as Figure 6 As shown, the device includes:

[0086] The receiving unit 61 is configured to receive the authorization management information sent by the front end of the conditional access system;

[0087] An attribute determining unit 62, configured to determine information attributes of the authorization management information, where the information attributes include shared information or personal information;

[0088] A validity determining unit 63, configured to determine whether the authorization management information is valid according to the information attribute of the authorization management information;

[0089] The processing unit 64 is configured to discard the authorizatio...

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Abstract

The embodiment of the invention discloses an entitlement management message (emm) processing method and device, relating to the digital television technical field, and solves the problems of obstruction and data loss easily caused by large storage resource occupation of big and frequent emm data and untimely emm data processing. The method comprises: receiving an emm sent by the front end of a conditional receiving system; determining the information attribute of the emm, the information attribute comprising shared or common information or individual information; according to the information attribute of the emm, determining whether the emm is effective; and if the emm is ineffective, discarding the emm.

Description

technical field [0001] The invention relates to the technical field of digital television, in particular to a method and device for processing authorization management information. Background technique [0002] The basic purpose of the digital TV conditional access system (BS Conditional Access System, B-CAS) is to realize the paid service of the digital broadcasting system through the authorized control and management of the users, which can bring economic returns to the operators, and also can To provide users with more and higher quality service content. [0003] The front end of the B-CAS will continuously send entitlement management messages (Entitlement Management Message, emm) to the set-top box, and the content of the message may be mail (mail) and notification (message). The set-top box will directly push all the emm data it receives to the user. Since the emm data sent by the front end is large and frequent, a large buffer queue needs to be established in the set-...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04N21/4623H04N21/254H04N21/418H04N21/266
CPCH04N21/2541H04N21/26606H04N21/4181H04N21/4623
Inventor 孟新红
Owner HISENSE BROADBAND MULTIMEDIA TECH
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