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Live broadcast stream media authentication method based on P2P network

A technology of P2P network and streaming media, which is applied in the authentication field of live streaming media based on P2P network, and can solve the problems of malicious modification, recoding, conversion, transmission, reducing the transmission efficiency of P2P network, and reducing the degree of freedom of P2P network, etc. Achieve the effect of improving reliability and compatibility, authorization and network freedom, and increasing security

Inactive Publication Date: 2008-08-20
INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0008] This controllable P2P technical method has the following deficiencies: firstly, the restrictions on the P2P network and the control strategies imposed greatly reduce the degree of freedom of the P2P network. The high efficiency of the P2P network comes from a high degree of openness and free transmission, so this It will inevitably greatly reduce the efficiency of P2P network transmission, and the more controls and restrictions, the lower the efficiency
Users who break through the limit and some legitimate users can play. For users who crack the software and download while playing, malicious modification, recoding, conversion, and dissemination after downloading are unavoidable.
So for now, the protection of streaming media copyright has not been technically realized.

Method used

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  • Live broadcast stream media authentication method based on P2P network
  • Live broadcast stream media authentication method based on P2P network
  • Live broadcast stream media authentication method based on P2P network

Examples

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Embodiment Construction

[0025] Such as figure 1 As shown, the P2P live streaming media system to which the present invention is applicable includes three subsystem objects: P2P index providers, live streaming media providers, and final live users. Among them, live streaming media providers include streaming media server 1, database server 2, certificate server 3; P2P indexing service providers include database server 4, index server 5, and HTTP server 6; final live broadcast users refer to client software, including P2P networks Components and media players.

[0026] figure 2 Shown is the system flow diagram involved in the present invention: first start the P2P index service, start the service of the live streaming media provider, complete the encoding and digital encryption of the live streaming media content, prepare the certificate server, and register the program with the P2P index server And the required certificate; the user queries the program list, sends a broadcast request, and obtains the i...

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Abstract

The present invention provides authentication method based on P2Pnetwork living broadcast stream medium, first step: user terminal examines live program information from indexes server, and sends playing certain program demand when process flow starts; second step: indexes server provides connection information of program source provider and information of playing program required digital certificate to user terminal; third step: customer terminal software checks whether or not local installs required digital certificate, if digital certificate has already be mounted, application can be applied at digital certificate server of program provider according to required digital certificate information; four step: program provider executes user authentication according to user demand, and distributes digital certificate to legality user, at the same time executes authentication and management to user; five step: after obtaining digital certificate, user registers in P2Pnetwork for transmitting of living broadcast stream medium, receiving stream medium data for executing decipher, decoding and playing.

Description

Technical field [0001] The invention relates to a method for realizing digital encryption of streaming media based on P2P network live broadcast and user authentication. technical background [0002] With the rapid development of Internet technology, the transmission of video and audio on the Internet has gradually become a trend. Online video live broadcast has adapted to this development and has received more and more attention from everyone. It is mainly used to realize the sharing and playback of network multimedia files by multiple users. [0003] P2P (Peer to Peer) means the peer-to-peer interconnection of network nodes. It should be said that, parallel to the current client / server master-slave interconnection model popular on the Internet, P2P realizes distributed resource utilization and sharing. Each node can perform peer-to-peer communication and can simultaneously receive, send, and receive information content. Store and integrate, and perform functions such as searchi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L29/06H04L12/18H04L29/08
Inventor 王新立
Owner INST OF ELECTRICAL ENG CHINESE ACAD OF SCI
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