摘要
文章分析了无线局域网802.11协议使用的链路层的安全措施———WEP协议,在此基础上指出64位或128位的WEP密钥的不安全性。并利用统计模型给出了一些结论,指出所需花费的时间及所需捕获加密包的数量。最后给出在802.11环境中获得安全的一些建议。
This paper analyzes the security issues of the WEP protocol,which is used as a link-layer security protocol for802.11networks.Based on the design flaws ,the64-bit or128-bit WEP key is unsafe.A statistical model to describe the key recovery is presented.The needed time and necessary encrypted packets for the recovery are also estimated.At last,this paper gives some recommendations for security in802.11wireless networks.
出处
《计算机工程与应用》
CSCD
北大核心
2003年第16期150-152,共3页
Computer Engineering and Applications
基金
部委科技预研项目资助
