ITU-T J.96 (07 2002) (英) Technical method for ensu

INTERNATIONALTELECOMMUNICATIONUNIONITU-TJ.96TELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU(07/2002)SERIESJ:CABLENETWORKSANDTRANSMISSIONOFTELEVISION,SOUNDPROGRAMMEANDOTHERMULTIMEDIASIGNALSAncillarydigitalservicesfortelevisiontransmissionTechnicalmethodforensuringprivacyinlong-distanceinternationalMPEG-2televisiontransmissionconformingtoITU-TRecommendationJ.89ITU-TRecommendationJ.96ITU-TJ-SERIESRECOMMENDATIONSCABLENETWORKSANDTRANSMISSIONOFTELEVISION,SOUNDPROGRAMMEANDOTHERMULTIMEDIASIGNALSGeneralRecommendationsJ.1–J.9Generalspecificationsforanaloguesound-programmetransmissionJ.10–J.19Performancecharacteristicsofanaloguesound-programmecircuitsJ.20–J.29Equipmentandlinesusedforanaloguesound-programmecircuitsJ.30–J.39Digitalencodersforanaloguesound-programmesignalsJ.40–J.49Digitaltransmissionofsound-programmesignalsJ.50–J.59CircuitsforanaloguetelevisiontransmissionJ.60–J.69Analoguetelevisiontransmissionovermetalliclinesandinterconnectionwithradio-relaylinksJ.70–J.79DigitaltransmissionoftelevisionsignalsJ.80–J.89AncillarydigitalservicesfortelevisiontransmissionJ.90–J.99OperationalrequirementsandmethodsfortelevisiontransmissionJ.100–J.109InteractivesystemsfordigitaltelevisiondistributionJ.110–J.129TransportofMPEG-2signalsonpacketisednetworksJ.130–J.139MeasurementofthequalityofserviceJ.140–J.149DigitaltelevisiondistributionthroughlocalsubscribernetworksJ.150–J.159IPCablecomJ.160–J.179MiscellaneousJ.180–J.199ApplicationforInteractiveDigitalTelevisionJ.200–J.209Forfurtherdetails,pleaserefertothelistofITU-TRecommendations.ITU-TRec.J.96(07/2002)iITU-TRecommendationJ.96Technicalmethodforensuringprivacyinlong-distanceinternationalMPEG-2televisiontransmissionconformingtoITU-TRecommendationJ.89SummaryThisITU-TRecommendationdescribesaBasicInteroperableScramblingSystem(BISS-E)foruseondigitalcontributioncircuits(satellite,DSNG,etc.)compliantwithITU-TRec.J.89,whichusesfixedkeys.BISS-EusesencryptedSessionWordsandallowscentrallymanagedconditionalaccess.SourceITU-TRecommendationJ.96wasrevisedbyITU-TStudyGroup9(2001-2004)andapprovedundertheWTSAResolution1procedureon29July2002.iiITU-TRec.J.96(07/2002)FOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnitedNationsspecializedagencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganofITU.ITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationAssembly(WTSA),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-Tstudygroupswhich,inturn,produceRecommendationsonthesetopics.TheapprovalofITU-TRecommendationsiscoveredbytheprocedurelaiddowninWTSAResolution1.InsomeareasofinformationtechnologywhichfallwithinITU-T'spurview,thenecessarystandardsarepreparedonacollaborativebasiswithISOandIEC.NOTEInthisRecommendation,theexpressionAdministrationisusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.INTELLECTUALPROPERTYRIGHTSITUdrawsattentiontothepossibilitythatthepracticeorimplementationofthisRecommendationmayinvolvetheuseofaclaimedIntellectualPropertyRight.ITUtakesnopositionconcerningtheevidence,validityorapplicabilityofclaimedIntellectualPropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdevelopmentprocess.AsofthedateofapprovalofthisRecommendation,ITUhadnotreceivednoticeofintellectualproperty,protectedbypatents,whichmayberequiredtoimplementthisRecommendation.However,implementorsarecautionedthatthismaynotrepresentthelatestinformationandarethereforestronglyurgedtoconsulttheTSBpatentdatabase.ITU2002Allrightsreserved.Nopartofthispublicationmaybereproduced,byanymeanswhatsoever,withoutthepriorwrittenpermissionofITU.ITU-TRec.J.96(07/2002)iiiCONTENTSPage1Scope............................................................................................................................12Informativereference....................................................................................................13Definitions....................................................................................................................14Abbreviations................................................................................................................25Securityrequirements...................................................................................................26Modesofoperation.......................................................................................................37Mode0..........................................................................................................................38BISSMode1–Functionalrequirements......................................................................38.1Overview........................................................................................................38.2CA_descriptor.................................................................................................49