洦ɼܶͥΪ˷Ҳװ·ڸû˵α֤ԼźŲ˵ãһҪ⡣Ҿ͸ϸһ·֮ǰҪ˽һЩ֪ʶɣЩܽһЩѧϰܵġϣԼṩ 


ȣ߼ܷʽĿǰж֣һΪWEPܷʽһΪWPAܷʽ 
һWEPܷʽ Wired Equivalent Privacy
     WEP ܲþ̬ıԿ WLAN նʹͬԿ硣 WEP Ҳṩ֤ܣܻƹãͻҪ AP ʱ AP ᷢһ Challenge Packet ͻˣͻùԿֵܺͻشȡԽ֤ȶԣȷ󣬲ܻ׼ȡԴ 
WEPܼʱȫֹ֤͡ѡԶѡ񡱡ϵͳԿԶѡ·ԺͿͻԶЭ̳ɡϵͳߡԿ 
пϵͳopenʽ͹Կshareʽ£ 
      ʽϵͳ֤͹Կ֤Ϊ֤ģʽÿƶͻӵʱAP֤ʽϵͳ֤ʵԳΪ֤Ϊʵûн֤    վ˵֤APҲǷԿǷȷȡӦ˵ap֤ԿǷȷǷ롪֤ʽapһ룬ӣ벻ȷʾΪơ 
     Կ֤΢ǿһЩվ֤ʵ㣨APWEPܵѯӦվṩԿǴģܾվȷWEP룬ͿԽܸѯ룬ˣӹԿϵͳԿȷͨʾ粻ڵʾǿϵͳ͹Կ֤ʽ 
      ǡԿʽѡѡ16ơпѡǡASCII롱Կѡ磺64/128/152λɴܴﵽֲͬϣֲͬ϶ӦͬԿȡ£ 
64λܷʽ+16ƵԿʽ        ǽõһ10ַɵ; 
64λܷʽ+ASCIIԿʽ      ǽõһ5ASCIIַɵ; 
128λܷʽ+16ƵԿʽ       ǽõһ26ַɵ; 
128λܷʽ+ASCIIԿʽ    ǽõһ13ASCIIַɵ; 
152λܷʽ+16ƵԿʽ      ǽõһ32ַɵ; 
152λܷʽ+ASCIIԿʽ    ǽõһ16ASCIIַɵ. 
     ﻹҪעһǣ16ƵĻֻ֧Ϊ0-9ĸΪA-FĸִСдASCIIĻַΧ0-9,a-zA-Z.ַʽĻִСдġWEPܷʽϡ 
WPAܷʽ 
WPAĹеWEPWired Equivalent PrivacyЭ顣WPAǼ̳WEPԭֽWEPȱһ¼ڼǿɼԿ㷨˼ռϢнҲ޷ͨԿ WPA׷˷ֹ;۸ĵĹ֤ܺܡھ߱ЩܣWEPдǰָȱȫ 
WPAܷʽܵĻĿǰ֤ʽWPAWPA-PSKWPA2WPA2-PSKõļ㷨ж֣AESTKIPAES(Advanced Encryption Standard߼㷨)TKIP(Temporal Key Integrity ProtocolʱԿЭ) 
һڼͥû˵ǶWPAWPA2ļ򻯰汾--WPA-PSKԤȹԿWi-FiʣWPA2-PSKעҪӦѡҪǿǣWPAWPA-PSKWPA2WPA2-PSKͬļܻƣWPA-PSKWPA2-PSKֻ֤м򵥵һ룬ûض˻Խ֤ȻһʽķڱƽĿԣWEPȣİȫȻǿ 
ֵעǣWPA-PSKּܷʽֻʹTKIPּܷʽģʹAESܷʽ汾WPA2-PSKͬʱֶּ֧ܷʽһѡ֤ʽʱҪעǷֵ֧ڶּܷʽAESּܷʽԿҪĻ8-63ַҲ˵ԿΪ8ַΪ63ַȡ