ISO IEC 04922-1-2023.docx
INTERNATIONA1.STANDARDISO/IEC4922-1editionFirSt202307InformationsecuritySecuremu1.tipartycomputation一ReferencenumberISO/IEC4922-h2023(E)COPYRIGHTPROTECTEDDOCUMENT©ISO/1EC2023IUirhM*hedbdi1.iUedotherwiseupdhi.or啪UIBndttaeDmk<nroni(ncm11ni10tf1.*Mqn1.C6pW11opypMRHt1.onmaytheinternetoranintranet,withoutpriorwrittenpermission.PermissioncanberequestedfromeitherISOattheaddressbe1.oworISO'smemberbodyinthecountryoftherequester.f),WV>fifiHipB1.andonnet8CH-1214Vernier,GenevaPhone:M1.22749O1.11觥ftte:丽丽BQrgPub1.ishedinSwitzer1.andContentsForewordIitroductionScope1Normativereferences1Termsanddefinitions1Genera1.mode1.andparameters4.1 Genericmode1.24.2 Parametersofsecuremu1.tipartycomputation44.2.2 (htnrMrce44,2»3EnCOddspco.44.2.4 Outputspace4&A雁r1.三1.三i郴。mputingParties_44.2.7 Communicationmode1.44.2.8 Summaryofparameters一._5Propertiesandana1.ysisofsecuremu1.tipartycomputation55.1 Fundamenta1.requirements5511OVerV1.eW.一.55.1.3Octrirary552AdVerSar'mode1.>.>.>*1.>>>1.«.51.1.1 Overview534.5.62222工工S工1wte6Computationa1.power.6Compositionandpara1.1.e1.execution7NetWOrkaccess5.3 Optiona1.properties75.3.1 1»«*>»>»*«*V«*5.3.2 Correctnessagainstactiveadversary75.3.3 4InmiXjirivacyagainstactiveadversary75.3.5 Guaranteedoutputde1.ivery85.4 Performancepropertiesforthecomparisonofschemes8.f胜!第X85.4.3Computationa1.efficiency8AnnexA(informative)Possib1.eusecasesforsecuremu1.tipartycomputation9Bib1.iography10ForewordISO(theInternationa1.OrganizationforStandardization)andIEC(theInternationa1.E1.ectrotechnica1.(inrt)(55io6)SrnIHGspartHipidisye耐IuAwHopWwiif1.MHtdiKtandhaiion.StNncUwrddtmitteesestab1.ishedbytherespectiveorganizationtodea1.withparticu1.arfie1.dsoftechnica1.activity.ISOandIECmitteesco1.1.aborateinfie1.dsOfmutua1.interestOtherinternationa1.ornizations,governmenta1.andnon-governmenta1.rin1.iaisonwithISOandIEC,a1.sotakepartintheTheproceduresusedtodeve1.opthisdocumentandthoseintendedforitsfurthermaintenanceAi1.cddc抑IbCdthe1.ndfrcnt1.S(7滕由也(H磅眄IrtSA曲如M1.Marj帕。翻地曲皿丝I1.即曲½11旬hidinISO/IECDirectives.Part2(seewww.iso.org/dircctivesorwww.iec.ch/members.experts/refdocs).展编d(八)1.EC0雁Yn(S温翻照曲锄枕靴SSib独学脚(W*ernin那cn磔山括N豳视况出Mm(Q帏盛abM1.ytheanyc1.aimedpatentrightsinrespectthereof.Asofthedateofpub1.icationofthisdocument.ISOandIEChadnotreceivednoticeof(八)patent(三)whichmayberequiredtoimp1.ementthisdocument.However,嘟招幄1bftdaM由瞰ii三三gpMMfWw相列忸梯刷notbehe1.dresponsib1.eforidentifyinganyora1.1.suchpatentrights.Anytradeusedinthisconstitutenameendorsemen1.documentisinformationgivenfortheconvenienceofusersanddoesnotForanexp1.anationofthevo1.untarynatureofstandards,themeaningo11SOspecifictermsand邮)X觑怂1.itedOrRan脚娜I删Oass热情昵孰&黑1tfn片插触布福dea噩恐CeSIfewww.iso.org/iso/foreword.htm1.IntheIEC,seevrww.iec.chunderstanding-standards.&瓯Cv½。肋.胡济羽阳B限dM端伴g曰SO/IE用川/“"rm。匕Q”techno1.ogy,A1.istofa1.1.partsintheISO/IEC4922seriescanbefoundontheISOandIECwebsites.蝌融画如浊净X辆WM%hcs5曲涧n始的仙曲BireaCd*WS4kf¼MHmtandardswww.iec.ch/nationa1.-committees.Introductionpute<iPputationsarebyoutsourced,parties.differenttrustedmu1.tipartycomputationprivatedccen1.ra1.izedindivdua1.p1.ayers,computinganthcfunctiona1.ityandCo1.1.aborateniu1.tipartycomputationtasksAisefuIinSituationsinwheremutua1.1.ydist11stingentitiesdistributedAmex-Aprovidespossib1.eusecasesforsecuremu1.tipartycomputation.C2023-A1.1.11ghtsreservedSecuremu1.tipartycomputation(MPC)isacryptographictechniquethatenab1.estheoutputofaava1.uab1.ebeimprovewhi1.etheWhereinputs,providedarangeoforwheresecret.itisdistrustingstakeho1.dersarcrequiredtocooperate,andnotrustedpar1.yisavai1.ab1.etoexecutethecomputationonbeha1.foftheinputproviders.Securethirdpar1.y,takingtheisinputsofprotoco1.whichemu1.atesagreedfunction,ofdisseminatingthecorrectoutputprivate1.ytore1.evantparties.SecureondataprocessingiswhichcanarisetheInternetofThingsandotherwanttoapp1.icationdomains.Possib1.eapp1.icationdomainsinc1.udesecureauctions,privacy-preservingdataana1.ytics,anddistributeddigita1.wa1.1.ets.InformationsecuritySecuremu1.tipartycomputation一解Q剪a1.1ScopeThisdocumentspecifiesdefinitions,termino1.ogyandprocessesforsecuremu1.tipartycomputationdodiDd°btdddbfitfingy,prQc由cardertotnWihkdH(tgr)iDaoMmUki11terop1.riht!1.pM'tiddnc1.tndatawhi1.ethedataarekeptprivate;theparticipatingparties;andthecryptographicproperties.eImi忸睡锹酰施S1.hiSdocumentiscommontotheISO/IEC4922series.ereTermsandcd1.SfiWitFtfSence1.inthisdoment.Forthepurposesofthisdocument,thefo1.1.owingtermsanddefinitionsapp1.y.ISOandIECmaintaintermino1.ogydatabasesfor