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Method and system for realizing end to end media fluid safety

A technology of media streaming and security algorithms, applied in the field of communication, can solve problems such as inability to conduct conversations and difficulties in legal interception, and achieve the effect of convenient supervision

Active Publication Date: 2007-06-20
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The present invention provides a method and system for implementing end-to-end media stream security to solve the problem in the prior art that when one of the two parties in the conversation does not support media stream protection, the session cannot be performed when the user terminal of the two parties does not support media stream protection when implementing end-to-end media stream security. problem; further, to solve the problem of legal interception due to the implementation of end-to-end media stream protection

Method used

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  • Method and system for realizing end to end media fluid safety
  • Method and system for realizing end to end media fluid safety
  • Method and system for realizing end to end media fluid safety

Examples

Experimental program
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Embodiment Construction

[0051]This embodiment is mainly described by taking an IMS network as an example.

[0052] The present invention carries the identification of whether the terminal supports media stream protection capability in the session message initiated by the calling user terminal, and combines the identification of whether this session needs media stream protection determined by the network entity in the existing session establishment process, and receives the session message The called user terminal determines whether this session can implement end-to-end media stream protection according to the identification and whether the terminal supports the media stream protection capability; further, the called user terminal carries in the response message returned to the calling terminal Whether the terminal supports the media stream protection capability allows both parties in the session to determine whether the session can implement media stream security protection, thereby avoiding the probl...

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Abstract

The invention is concerned with the achievement method for end-to-end media flow safety, it is: the calling user terminal initiates the conversation request message, indicates the user terminal whether or not support the media flow protecting ability in the message; confirms the conversation whether or not need the protection of the media flow after the network entity receives the conversation request message, takes the correspond indication in the conversation request message; the called terminal make the estimation after receiving the conversation request message, the conversation requests the media flow protection and the called user terminal supports the media flow protecting ability if the calling user terminal support the media flow protecting ability, the conversation actualizes end-to-end media flow safety protection, otherwise, not actualizes end-to-end media flow safety protection. The invention is also concerned with the communication system and the terminal equipment.

Description

technical field [0001] The present invention relates to the technical field of communication, in particular to a method and system for realizing end-to-end media stream security. Background technique [0002] The network security solutions at the media level in the IP Multimedia Subsystem (IMS) network can be roughly divided into two categories: one is non-end-to-end (or end-to-network) media stream protection, and the other is end-to-end media stream protection Protect. [0003] The network model of non-end-to-end media stream protection is shown in Figure 1A, and the network model of end-to-end media stream protection is shown in Figure 1B, wherein, RTP Proxy can be GGSN / SGSN for 3GPP, BGF for TISPAN, and 3GPP2 may be the PDSN. [0004] Non-end-to-end media stream protection usually requires intermediate entities to repeatedly perform encryption-decryption-encryption-decryption operations, which may affect call quality. [0005] The end-to-end media stream protection sc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/08
Inventor 何承东严军
Owner HUAWEI TECH CO LTD
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