| 无线局域网安全性分析 |
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| 引用本文： | 廖鹰,魏进武,岳俭,肖宇.无线局域网安全性分析[J].计算机工程与应用,2003,39(35):165-167. |
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| 作者姓名： | 廖鹰 魏进武 岳俭 肖宇 |
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| 作者单位： | 国家数字交换系统工程技术研究中心,郑州,450002 |
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| 摘 要： | 与有线网络相比,无线局域网采用电磁波作为载体进行信息传输,存在着信息泄露及被窃听的安全隐患,因此其安全问题显得尤为重要。作为无线局域网的重要标准,802.11标准中提供了有线等价保密(WEP)协议用于保护链路层免受窃听和攻击。该文重点研究802.11标准的安全问题,研究表明WEP协议存在一些严重的安全漏洞。对此,该文详细分析了每个漏洞及相应的攻击方法,并针对所分析的不安全因素提出了相应的建议和措施。
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| 关 键 词： | 网络安全 802.11标准 WEP协议 RC4技术 密钥流 |
| 文章编号： | 1002-8331-(2003)35-0165-03 |
| 修稿时间： | 2003年1月1日 |
The Analysis of WLAN Security |
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| Liao Ying Wei Jinwu,Yue Jian Xiao Yu.The Analysis of WLAN Security[J].Computer Engineering and Applications,2003,39(35):165-167. |
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| Authors: | Liao Ying Wei Jinwu Yue Jian Xiao Yu |
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| Abstract: | The security problem is more important to wireless WLAN than that to wired networks,for wireless networks transfer information with electromagnetic wave which may lead to information leaking and being eavesdropped.As one of important standards for WLAN,the Wired Equivalent Privacy(WEP)protocol in the802.11standard is used to protect link-layer communications from eavesdropping and other attacks.This paper focuses on the existing security problems in802.11and the analysis indicates that there are some serious security flaws in the WEP protocol.The paper analyzes each of the flaws and corresponding attacks in detail and propose s some advices and strategy to these flaws in the end. |
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| Keywords: | Network security 802 11standard WEP RC4 Keystream |
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