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计算机工程 ›› 2009, Vol. 35 ›› Issue (10): 145-146. doi: 10.3969/j.issn.1000-3428.2009.10.047

• 安全技术 • 上一篇    下一篇

基于802.11i的四次握手协议的攻击分析

曹 利,黄海斌   

  1. (南通大学计算机科学与技术学院,南通 226019)
  • 收稿日期:1900-01-01 修回日期:1900-01-01 出版日期:2009-05-20 发布日期:2009-05-20

Attack Analysis of 4-way Handshake Protocol Based on 802.11i

CAO Li, HUANG Hai-bin   

  1. (College of Computer Science and Technology, Nantong University, Nantong 226019)
  • Received:1900-01-01 Revised:1900-01-01 Online:2009-05-20 Published:2009-05-20

摘要: 针对新一代无线网安全标准802.11i建议方案中四次握手协议的缺陷和可能存在的攻击,研究TPTK技术和重用Nonce技术的改进方案。通过分析这2种改进方案的安全漏洞,提出一种基于数字信封认证的设计方案,对协议安全性进行了分析和验证。

关键词: 无线局域网, 802.11i协议, 四次握手, 临时会话密钥

Abstract: Aiming at the 4-way handshaking protocol defections of the new-generation wireless network security standards 802.11i and the remaining attacks probably exist, this paper studies improved scheme of TPTK technology and re-Nonce. By analyzing the security vulnerabilities of two improved schemes, a new improved design based on digital envelope technology is provided, and it is analyzed and verified.

Key words: WLAN, 802.11i protocol, 4-way handshake, Pairwise Transient Key(PTK)

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