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1、英文原文WirelessSecurityRichardBarberRichardBarber,grouptechnicaladvisorofArticon-Integralislooks,attheevolutionoftele-anddata-communicationssystemsandassessesthepotentialadvantagesformobilesecurityofferedbytechnologieslikeBluetoothSecurityToday'swirelessworldmeansthatdataisbeingsent,amongus,invisib
2、lyfromdevicetodevice,countrytocountry,persontoperson.Thisdata,intheformofe-mails,photos,contactsandaddressesarepreciousandprivatetoeachofus.Thisprivateinformation,nolongermakingitswayalongwiresinplainsight,needstobesentsecurelytoitsintendedrecipientwithoutinterception.Wirelessstandardstheworldov
3、erareevolvingandhavevariousformatsfordealingwiththesecurityissuesofitsusers.Bluetoothwirelesstechnologyisnoexception.Bluetoothwirelesstechnologyhas,fromitsinception,putgreatemphasisonwirelesssecuritysothatusersofthisglobalstandardcanfeelsecurewhilemakingtheirconnections.TheBluetoothSpecialIntere
4、stGroup(SIG),madeupofover4000membermanufacturers,hasaBluetoothsecurityexpertsgroupmadeupofengineersfromitsmembercompanieswhoprovidecriticalsecurityinformationandfeedbackthatistakenintoaccountastheBluetoothwirelessspecificationevolves.ProductdevelopersthatuseBluetoothwirelesstechnologyintheirprod
5、uctshaveseveraloptionsforimplementingsecurity.TherearethreemodesofsecurityforBluetoothaccessbetweentwodevices.SecurityMode1:non-secureSecurityMode2:servicelevelenforcedsecuritySecurityMode3:linklevelenforcedsecurityThemanufacturerofeachproductdeterminesthesesecuritymodes.Devicesandservicesalsoha
6、vedifferentsecuritylevels.Fordevices,therearetwolevels:ntrusteddevice"andHuntrusteddevice/1Atrusteddevice,havingbeenpairedwithonesotherdevice,hasunrestrictedaccesstoallservices.Withregardtoservices,threesecuritylevelsaredefined:servicesthatrequireauthorizationandauthentication,servicesthatrequir
7、eauthenticationonlyandservicesthatareopentoalldevices.Lately,confusionandmisinformationsurroundingsecurityandBluetoothwirelesstechnologyhasincreased.Thecurrentsecurityissuestypicallyinvolvemobilephones.Howtheseissuesapplytoo
