无线局域网协议安全性分析

ppearance of the WLAN technology has changed the traditional structure of the network. WLAN doesn’t need wires, and doesn’t under the limit of geography position. WLAN has got ever-broader use in the world. However, due to the openness of its channels, WLAN faces severe security problems. To strengthen its security property, various kinds of security mechanisms and protocols have been proposed, but no convincing WLAN security solution has been achieved. The paper analysis the current mechanism in WLAN detailedly, such as WEP, 802.11i and WAPI, penetrate into its principles of implementation, and point out the existence of security risks. At last, the advantages and disadvantages of these mechanisms is analysed.