CWSP Guide to Wireless Security.ppt

文档介绍：heenterprisesecuritymodel2CWSPGuidetoWirelessSecurityWirelessSecuritySolutionsWEPsuffersfromseriousweakness“Band-aid”-ess(WPA)Wi-ess2(WPA2):(AES)(continued)(continued)-by-portbasisUntiltheclientisauthenticatedusingcredentialsstoredonanauthenticationserverKey-workIfauserroamsawayandlaterreturnsShedoesnotneedtore-(continued)(continued)Pre-eauthenticatedtoanAPBeforemovingintorangeoftheAPDevicesendsapre-esspoints8CWSPGuidetoWirelessSecurityWi-ess(WPA)(TKIP)TKIPkeysareknownasper--ess(WPA)(continued)TKIPdistributesthekeytowirelessdevicesandAPSettingupanautomatedkeyhierarchyandmanagementsystemWPAreplacestheCyclicRedundancyCheck(CRC)withtheMessageIntegrityCheck(MIC)Designedtopreventanattackerfromcapturing,altering,andresendingdatapacketsProvidesastrongmathematicalfunctionClientsarede-ursOptionalfeature10CWSPGuidetoWirelessSecurity