The security of WLAN was summarized.The architecture and mechanism of the new secure standard-RSN of WLAN were studied.The key distribution of RSN was analyzed.

• 摘要总结了无线局域网的安全问题，在研究无线局域网的新安全标准(RSN)的总体体系结构及安全机制的基础上，详细分析了RSN的密钥体系及临时密钥的产生和分发过程。