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Judgment method of authentication mode for UE to access IMS and device thereof

A technology of access method and determination method, applied in the field of network communication

Inactive Publication Date: 2009-06-03
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] Embodiments of the present invention provide a method and device for judging authentication methods for UE access to IMS, so as to solve the problem of how various authentication methods coexist when multiple access networks access the same IMS core network in the prior art

Method used

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  • Judgment method of authentication mode for UE to access IMS and device thereof
  • Judgment method of authentication mode for UE to access IMS and device thereof
  • Judgment method of authentication mode for UE to access IMS and device thereof

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Embodiment Construction

[0025] An embodiment of the present invention provides a method for determining the UE access IMS authentication method. The S-CSCF determines the UE access IMS authentication method sent by the UE according to the Authorization header field and / or the access network type parameter in the registration message sent by the UE. Which authentication method is used, so as to solve the problem of how various authentication methods coexist when multiple access networks access the same IMS core network in the prior art. The HSS entity (Home Subscriber Server, Home Subscriber Server) in 3GPP corresponds to UPSF (User Profile Serving Function, user subscription service function entity) in TISPAN. For the sake of simplicity, the following is collectively referred to as HSS, and HSS and UPSF are no longer distinguished .

[0026] Such as figure 1 As shown in the figure, it is a flow chart of the determination method of UE access to IMS authentication method according to the embodiment of...

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Abstract

The embodiment of the invention discloses a judgment method of an authentication mode for UE to access an IMS and a device thereof. The judgment method comprises the following steps: a service call session control function (S-CSCF) receive a registry message sent by the UE; and the S-CSCF judges the authentication mode for the UE to access the IMS according to an Authorization header domain and / or access network type parameters in the registry message. The judgment method can help the S-CSCF to decide various authentication mode, thus solving a coexistence problem of the various authentication modes when a plurality of access networks access to the same IMS core network.

Description

technical field [0001] The present invention relates to the technical field of network communication, in particular to a method and device for judging authentication mode of UE accessing IMS. Background technique [0002] At present, the authentication methods supported in 3GPP (The Third Generation Partnership Project, third-generation mobile communication system) are Digest AKA (Digest Authentication and Key Agreement, Digest Authentication and Key Agreement) and Early IMS (IP Multimedia Subsystem, IP Multimedia Service Subsystem). system). 3GPP defines a Digest AKA (AKA for short) authentication mechanism when the terminal contains an ISIM (IMS Subscriber Identity Module, IMS Subscriber Identity Module). UE (User Equipment, user equipment) initiates registration with the IMS network, and implements bidirectional authentication between the UE and the IMS network through Digest AKA. [0003] Since a large number of existing user terminals in the wireless field do not supp...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W12/06H04L29/06
CPCH04L65/1016H04L63/08H04L29/06333H04L65/1073H04L29/06217
Inventor 何承东张占军
Owner HUAWEI TECH CO LTD