Registration method and consultation method and device of user safety algorithmic

A security algorithm and user plane technology, applied in the field of negotiation between a registration method and a user plane security algorithm, can solve problems such as the inability to obtain security algorithm information and the inability of MME to obtain information, so as to achieve a reasonable division of network element functions and reduce signaling The number of interactions, the effect of speeding up the build process

Inactive Publication Date: 2007-07-18
HUAWEI TECH CO LTD
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AI Technical Summary

Problems solved by technology

[0022] Since the user plane algorithm negotiation belongs to the control plane signaling process,

Method used

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  • Registration method and consultation method and device of user safety algorithmic
  • Registration method and consultation method and device of user safety algorithmic
  • Registration method and consultation method and device of user safety algorithmic

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Embodiment Construction

[0079] The core of the present invention is that the mobility management entity MME respectively obtains the security algorithm information supported by the user plane entity UPE and the user unit UE; the MME negotiates and determines the security algorithm according to the security algorithm information supported by the UPE and the UE respectively, and completes the security algorithm in the MME negotiation.

[0080] Specifically, when the MME and the UPE are deployed on different physical devices of the SAE network, the present invention uses the method of registering the UPE with the MME to allow the MME to record the encryption algorithm capability and integrity protection algorithm capability supported by the UPE; When the UE initiates a service connection request, the MME determines an encryption algorithm and an integrity protection algorithm supported by the UE and the UPE to be used for the subsequent secure transmission of user plane data, and the MME notifies the UE ...

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Abstract

This invention provides a negotiation method and a device for registration method and a safety algorithm of user, in which, the method includes: UPE starts up registration to MME and adds registration information including a safety algorithm onto the MME, which negotiates with the UE to determine a safety algorithm. From this plan we can see that the UPE reports its supported safety algorithm ability by registration to let the safety algorithm negotiation of the user side is finished in the NE of the control side so as to divide the NE function more reasonable, when the UE and UPE have not any common supported safety algorithm, the MME can decide if the UE adhesion process is done before the route collocation process of the user side to reduce signaling interaction number and lighten operation burden of the system and new negotiation of user side safety algorithm between UPE and UE in the re-location of UPE speeds up the connection process of user sides.

Description

technical field [0001] The invention relates to the technical field of algorithm negotiation in network communication, in particular to a registration method and a method and device for negotiating a user plane security algorithm. Background technique [0002] As shown in FIG. 1 , an existing General Packet Radio Service / Universal Mobile Telecommunications System (GPRS / UMTS) network structure is divided into two parts: a radio side and a core network. [0003] Regarding the wireless side part, the wireless side of GPRS includes the base station (BTS) and the base station controller (BSC), and the wireless side of UMTS includes the radio network controller (RNC) and the base station (NodeB). function. [0004] Regarding the core network part, this part is used to handle all voice calls and data connections in the GPRS / UMTS system, and is also used to implement switching and routing functions with external networks. The core network can be divided into circuit switching domai...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04Q7/38
Inventor 王珊珊郭小龙
Owner HUAWEI TECH CO LTD
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