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AAA certification and optimization method for multi-host WiMAX system

An optimization method and multi-host technology, applied in user identity/authority verification and key distribution, can solve problems such as inability to guarantee security, and achieve the effect of simple and practical method and security guarantee.

Inactive Publication Date: 2007-07-11
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0034] The present invention provides a method for realizing session key acquisition between AAA agents in a WiMAX multi-host system, so as to solve the problem that security cannot be guaranteed when multiple AAA agents are required in the existing WiMAX multi-host system problem, and further solve the problem that security cannot be guaranteed when establishing an information channel between two ASNs in the existing handover process

Method used

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  • AAA certification and optimization method for multi-host WiMAX system
  • AAA certification and optimization method for multi-host WiMAX system
  • AAA certification and optimization method for multi-host WiMAX system

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Embodiment Construction

[0068] In order to support the situation where more than one AAA Proxy is required in the AAA process, as well as the mobility between ASNs (inter-ASN), it is necessary to establish a trust relationship between AAA Proxies. The trust relationship can be established between two AAA Proxies. This is achieved by encrypting the information between sessions using the session key.

[0069] Therefore, the present invention proposes to increase the trust relationship between AAA Proxy and AAA Proxy in the trust relationship required in the security model based on the WiMAX multi-host system, so that the AAA Proxy can obtain the session key, and use the session key to encrypt and decrypt the interaction information to solve the problem of ensuring message security between AAA Proxies when there is more than one AAA Proxy in the AAA authentication process.

[0070] As shown in Figure 5, the process of obtaining a session key between AAA Proxy to establish a trust relationship occurs in ...

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Abstract

This invention relates to one AAA identification optimization method in host Imax system to solve the current problems of safety, which comprises the following steps between two adjacent AAA agents: when one dialogue business needs more than two AAA agents exchange key information to get dialogue keys by use of the coding and decoding relative AAA identification information.

Description

technical field [0001] The present invention relates to WiMAX (World wide Interoperability for Microwave Access) technology, in particular to an AAA (Authentication, Authorization and Accounting) authentication optimization method involving authentication, authorization and accounting in a Multiple Hosts (Multiple Hosts) WiMAX system. Background technique [0002] The existing general WiMAX network architecture system is shown in Figure 1, including MS (Mobile Station, mobile station), ASN (Access Service Network, access service network) and CSN (ConnectivityService Network, connection service network), where: [0003] MS is a mobile user terminal equipment, and the user uses this equipment to access the WiMAX network; [0004] The ASN includes BS (Base Station, base station) and ASN-GW (Access Service Network GateWay, access service network gateway), etc., and is used to provide a set of network functions for WiMAX terminal equipment to provide wireless access services. Fo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L9/32H04L9/08H04L12/28
Inventor 宋毅庄宏成
Owner HUAWEI TECH CO LTD