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1、AbstractIntoday'ssocietywithinformationtechnology,theInternethasbecomeanimportantresearchdirection.TheInternetofthingsistoimproveonsometraditionalnetworkproblems,itwillalsoappearintheInternetofthings,forexample,informationsecurityproblem.AndpopularizationoftheInternetofthingsusedtothelifeofp
2、eoplebringconvenience,butalsoitbringsusmanyun-safetyproblems,thelong-termsecurityoftheInternetofthingsindustryshouldestablishonthebasisofInternetinformationsecurityproblem,butsomeofthetraditionalnetworkinformationsecuritymeasuresarenotabletoprovideareliableguarantee,thereisaspecialproblemofi
3、nformationsecurity,theneedformorein-depthstudy.Thisisthemainresearchofinformationsecurityproblems.TheInternetofthingsandcanbedividedintoperceptionlayer,networklayerandapplicationlayer.Thetopicofthispapercomesfromthenationalnaturalsciencefundproject"Internetofthingsnetworklayerinformationsecu
4、rityarchitectureandkeytechnologyresearch",ResearchbythenationalnaturalsciencefoundationprojectisconnectedtothenetworklayerinformationsecurityarchitectureanditmainlyincludesthekeytechnologieswantstoensurethatinformationsecurityoftheInternetnetworklayer,theconstructionofInternetnetworklayeroft
5、hestandardisveryimportant,sothemaintaskofthisarticleisapreliminarytobuildtheInternetofthingsnetworklayerstandard,atthesametime,in-depthstudy,AnddesignalayerbasedonInternetofthingsnetworkinformationsecuritystandardofdataencryptionalgorithm.Thispaperintroducedandanalyzedindetailthesystemstruct
6、ure,thekeytechnologyofInternetofthingsandInternetofmaininformationsecurityproblemsofinformationsecurityproblems.thispaperalsostudiesthestandardizationoftheInternetnetworklayer,andthestandardizationofInternetnetworklayerpreliminarybuildonthebasisofthisalsoin-depthstudyofseveralcommonlyusedEnc
7、ryptionalgorithm,thenthetraditionaldataEncryptionstandardAES(AdvancedEncryptionstandard)algorithmaccordingtodecrypttheencryptedkeygenerationandthesonofthethreestepstooptimizeandimprove,formingalayerbasedonInternetofthingsnetworkinformationsecurityo
