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Method for increasing radio city area network safety

A wireless metropolitan area network and security technology, applied in the directions of synchronously sending/receiving encrypted devices, user identity/authority verification, etc., can solve problems such as poor security, and achieve the effect of enhancing security, ensuring quality, and avoiding attacks

Inactive Publication Date: 2005-03-02
CHINA IWNCOMM
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0012] The invention solves the technical problem of poor security in the authentication and session key negotiation process when the user station SS accesses the base station BS in the current wireless metropolitan area network

Method used

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  • Method for increasing radio city area network safety

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Embodiment Construction

[0035] Referring to the accompanying drawings, the present invention includes an authentication step and a session key negotiation step, and the specific method flow is as follows;

[0036] The authentication steps are as follows:

[0037] 1) The subscriber station SS sends a certificate information message to the base station BS. The certificate information message includes the digital certificate of the subscriber station SS, which is only used to notify the base station BS of information about the subscriber station SS, and the base station BS can completely ignore the message;

[0038] 2) The subscriber station SS sends an access authentication request message to the base station BS. The access authentication request message includes the digital certificate of the user station SS, the supported session algorithm, and the CID of the user station SS;

[0039] 3) The base station BS sends a certificate authentication request message to the AS. The certificate authenticatio...

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Abstract

This invention relates to a method for strengthening safety of radio MAN canon IEEE 802.16 including the following steps: 1) SS sends certification information messages to BS, 2) SS sends discrimination request message to BS, 3) BS sends certification discrimination request message to AS, 4) sends a response message to BS, 5) BS sends an access response message to SS, 6) SS sends an authorized ciphered key negotiation request message, 7) BS sends a response message to SS, 8) SS sends session ciphered key negotiation message, 9) BS sends a response message to SS.

Description

1. Technical field [0001] The invention relates to a wireless metropolitan area network technology, in particular to a method for enhancing the security of the wireless metropolitan area network standard IEEE802.16. 2. Background technology [0002] At present, in the wireless metropolitan area network, the relationship between the subscriber station SS (Subscriber Station) and the base station (BS) (BasicStation) is similar to the relationship between the client and the server (Client / Server). When the subscriber station SS accesses the base station BS, it first needs to authenticate to the base station BS to obtain the authorization key AK; then obtain the session key TEK according to the authorization key AK, and use the TEK to carry out secure communication. The authentication process is to realize the BS authentication of SS through the digital certificate of the user station SS. The issuer of the user station SS certificate can be its manufacturer or other certificate ...

Claims

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Application Information

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IPC IPC(8): H04L9/12H04L9/32
Inventor 庞辽军黄振海郭宏张变玲
Owner CHINA IWNCOMM
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