BS EN ISO 14819-6-2006 交通业务和旅游者信息(TTI).借助于交通文电编码的TTI文电.无线电数据系统的加密和条件存取.交通文电频道ALERTC编码

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【英文标准名称】:Trafficandtravellerinformation(TTI)-TTImessagesviatrafficmessagecoding-Encryptionandconditionalaccessfortheradiodatasystem-TrafficmessagechannelALERTCcoding
【原文标准名称】:交通业务和旅游者信息(TTI).借助于交通文电编码的TTI文电.无线电数据系统的加密和条件存取.交通文电频道ALERTC编码
【标准号】:BSENISO14819-6-2006
【标准状态】:现行
【国别】:英国
【发布日期】:2006-04-28
【实施或试行日期】:2006-04-28
【发布单位】:英国标准学会(BSI)
【起草单位】:BSI
【标准类型】:()
【标准水平】:()
【中文主题词】:汇编;数据传送;数据传输;定义;编码;英语;信息交换;文电;协议;无线电数据系统;无线电通信;道路运输;远程信息管理;远程处理;交通业务;交通和旅游信息;交通管制;交通讯息;TTI
【英文主题词】:
【摘要】:ISO14819-6:2006establishesamethodofencryptingcertainelementsoftheALERT-CcodeddatacarriedintheRDS-TMCtype8Adatagroup,suchthatwithoutapplicationbyaterminalorreceiverofanappropriatekeys,theinformationconveyedisvirtuallyworthless.Beforeaterminalisabletodecryptthedata,theterminalrequirestwo"keys".Thefirstisgiveninconfidencebytheserviceprovidertoterminalmanufacturerswithwhomtheyhaveacommercialrelationship;thesecondisbroadcastinthe"EncryptionAdministrationGroup,"whichisalsoatype8Agroup.Thisspecificationexplainsthepurposeofthetwokeysandhowoftenandwhenthetransmittedkeymaybechanged.Beforeanindividualterminalmaypresentdecryptedmessagestotheend-user,itmusthavebeenactivatedtodoso.ActivationrequiresthataPINcodebeentered.ThePINcodecontrolsaccessrightstoeachserviceandsubscriptionperiod,allowingbothlifetimeandtermbusinessmodelstoco-exist.ThespecificationalsodescribestheconsiderationsforserviceproviderswishingtointroduceanencryptedRDS-TMCservice,migratingfromeithera"free-to-air"servicebasedonpublic"LocationTables"oracommercialservicebasedonaproprietaryLocationTable.Finally,"hooks"havebeenleftinthebitallocationofthetype8AgrouptoallowextensionofencryptiontootherRDS-TMCservices.
【中国标准分类号】:R85
【国际标准分类号】:03_220_20;35_240_60
【页数】:30P;A4
【正文语种】:英语