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)

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

CLC Number: 

• TP309.8