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Cinema live-broadcasting authorized management system and method

A technology of authorization management and cinema, applied in the field of authorization management system of cinema live broadcast, it can solve the problems of no copyright protection scheme, copyright owners unwilling to authorize, unable to provide copyright protection, etc., and achieve the effect of effective copyright protection

Active Publication Date: 2013-02-06
雷欧尼斯(北京)信息技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, there is no clear and systematic copyright protection scheme for optional content playback in theaters, which cannot provide effective copyright protection, which makes copyright owners unwilling to authorize theaters to play their content

Method used

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  • Cinema live-broadcasting authorized management system and method
  • Cinema live-broadcasting authorized management system and method
  • Cinema live-broadcasting authorized management system and method

Examples

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Embodiment Construction

[0036] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention more clear, the embodiments of the present invention will be further described in detail below in conjunction with the accompanying drawings. Here, the exemplary embodiments and descriptions of the present invention are used to explain the present invention, but not to limit the present invention.

[0037] In order to provide effective copyright protection for live content in theaters, the embodiments of the present invention use digital certificate technology to authorize and manage live content in theaters.

[0038] Digital certificates use the public key system, that is, use a pair of matching keys for encryption and decryption. Each user sets a specific private key (private key) known only to himself, and uses it for decryption and signature; at the same time, he sets a public key (public key) and discloses it to himself. Shared by group users for encryption...

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PUM

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Abstract

The invention discloses a cinema live-broadcasting authorized management system and method. The cinema live-broadcasting authorized management system comprises a signal input module, an authorization processing module, a signal decryption module, a signal conversion module, a watermark superimposing module and a line encryption and signal output module, wherein the signal input module is used for receiving a cinema live-broadcasting audio-video signal and a corresponding authorized distribution message LDM (Logical Data Model) file, wherein the LDM file is encrypted by a public key; the authorization processing module is used for decrypting the LDM file by using a stored private key to obtain a signal key and an authorization effective schedule and determining the effectiveness of the LDM file according to the current time and the authorization effective schedule; the signal decryption module is used for decrypting the cinema live-broadcasting audio-video signal by using the signal key when the LED file is effective; the signal conversion module is used for carrying out format processing on the decrypted signal and converting the decrypted signal into a set output signal format; the watermark superimposing module is used for carrying out watermark superimposing on the signal subjected to format processing by using the equipment sequence number of the cinema live-broadcasting authorized management system and the current time; and the link encryption and signal output module is used for carrying out link encryption on the signal subjected to watermark superimposition and then outputting the signal subjected to link encryption. The cinema live-broadcasting authorized management system and method disclosed by the invention can realize effective copyright protection on cinema live-broadcasting contents.

Description

technical field [0001] The invention relates to the technical field of theater live broadcast authorization management, in particular to a theater live broadcast authorization management system and method. Background technique [0002] At present, there is no clear and systematic copyright protection scheme for selective content playback in theaters, which cannot provide effective copyright protection, which makes copyright owners unwilling to authorize theaters to play their content. How to adopt a safe and reliable copyright protection scheme when playing content in theaters is a prerequisite for copyright owners to authorize whether their copyrighted content can be used in theaters. Contents of the invention [0003] An embodiment of the present invention provides a theater live broadcast authorization management system to realize effective copyright protection for theater live broadcast content. The theater live broadcast authorization management system includes: [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L9/30
Inventor 马士超
Owner 雷欧尼斯(北京)信息技术有限公司
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