Accueil Technologie Xiao Guozhen

Xiao Guozhen



introduction

XiaoGuozhen, memberoftheCommunistPartyofChina, professoranddoctoralsupervisor.AnoutstandingscholarinthefieldofcryptographyandinformationsecurityatXidianUniversity, heisfamousinthefieldofChinesecryptographyas "OneXiaoandTwoKings", themainpioneerofmodernChinesecryptographyresearch, andthemasterofChinesecryptography.HeproposedacombinationoffunctionsTheconceptofstatisticalindependence, aswellasthefurtherproposedspectrumcharacterizationtheoremfortherelativeimmunityofcombinedfunctions, arecommonlyknowninternationallyastheShaw-Masseytheorem, whichhasbecomeabasictoolforcryptographicresearchandopenedupanewfieldofstreamcryptographicresearch.TheAsianCryptographicSocietyMemberoftheExecutiveCommittee, ViceChairmanoftheChinaCryptographicSociety, AdvisortotheEditorialBoardofInternationalInformationSecurityMagazine, DirectoroftheInstituteofInformationSecurityandConfidentialityofXidianUniversity.MemberoftheExecutiveCommitteeoftheAsianCryptographicSociety, vicechairmanoftheChineseCryptographicSociety, deputydirectoro ftheInformationTheoryProfessionalCommitteeoftheChineseInstituteofElectronics, deputydirectoroftheInformationConfidentialityCommitteeoftheChineseComputerSociety, andadvisortotheeditorialboardoftheInternationalInformationSecurityJournal (SIIJ) .HeusedtobethedeanoftheDepartmentofAppliedMathematicsofXidianUniversity (formerlyNorthwestTelecommunicationsEngineeringCollege), thedeputydirectoroftheChamberofCommerceoftheConfidentialScienceandTechnologyProgressAwardEvaluationCommitteeoftheCentralGeneralOffice, andamemberoftheMathematicsandMechanicsTeachingSteeringCommitteeoftheStateEducationCommission.NowheistheinformationsecurityofXidianUniversityAndthedirectoroftheInstituteofConfidentiality.

Contributions académiques

TeacherXiaoGuozhenisoneofthemainpioneersofmoderncryptographyresearchinChina.HeproposedtheconceptofstatisticalindependenceofcombinedfunctionsandfurtherproposedcombinationsThespectrumcharacterizationtheoremoffunction-relatedimmunityiscommonlyknowninternationallyastheShaw-Masseytheorem.Ithasbecomeoneofthebasictoolsofcryptographyresearch, openingupanewfieldofstreamcryptographyresearch; heisamemberoftheExecutiveCommitteeoftheAsianCryptographicSociety, andChinaCryptographyThevice-presidentofthesocietyisalsoaconsultanttotheeditorialboardoftheInternationalInformationSecurityJournal (SIIJ); someofthegraduatestudentshehasguidedandcultivatedhavebecomeinternationallyrenownedscholarsinthefieldofcryptography, suchasLaiXuejia, DingCunsheng, etc., andsomeareintheparty, gouvernement, andmilitarydepartmentsPlayakeyrole, suchasLiuFuyun, HeLiangsheng, FengDengguo, etc.

Hehasbeenengagedintheteachingandresearchofinformationtheory, codingtheoryandcryptographytheoryforalongtime.Hehaspublishedmorethan200articles, trainedmorethan30graduatestudents, morethan20doctoralstudents, and2post-doctoralstudents.Oneofthemainpioneersofcryptographyresearch.Mr.XiaoGuozhenhaspublishedmorethan200papersindomesticandforeignacademicjournalsandinternationalacademicconferences.Amongthem, thearticle "TheApplicationofSpectrumMethodtotheResearchofProhibitedCorrelationCombinationFunctions" wasreadattheInternationalConferenceonInformationTheoryin1985, andwonunanimouspraisefromtheparticipatingexperts.Theconceptofstatisticalindependenceofcombinedfunctionsproposedinthearticle, andthefurtherproposedtheoremofspectrumcharacterizationoftherelativeimmunityofcombinedfunctions, areknowninternationallyastheShaw-Masseytheorem, whichhasbecomeoneofthebasictoolsofcryptographicresearchandhasopeneduptheflow.Anewfieldofcryptographicresearch.Theresultswerequotedorreviewed7timesinrelatedliteraturespublishedlater inIEEE-ITmagazine.Intermsofcoding, "P-ValueLogicandErrorCorrectionCoding" isthefirstattemptbyMr.XiaotoapplyWalshtransformandCHRESTENSIONtransformoncodingtechnology, andithasreceivedwidespreadattentionfromcolleaguesathomeandabroad.The « compromis » inequalitybetweentherelativeimmunityorderandthenonlinearorderofthefunctionproposedbyMr.Xiaoisrecognizedasthebasictheoremofstreamcipherresearch, whichprovidesabasisfortheanalysisanddesignofcryptosystems, andprovidesmanybenefits.Citedbyinternationalscholars.Becauseofthisachievement, hewonthefourthprizeoftheNationalNaturalScienceAwardin1989 (Xiaoisthefirstprincipalresearcher) .Thescientificresearchproject "SpectrumAnalysisandInformationConfidentialityofNonlinearFeedforwardNetworks" presidedoverbyProfessorXiaoGuozhenwontheSecondPrizeofScienceandTechnologyProgressoftheStateEducationCommissionin1988, theSecondPrizeofScienceandTechnologyProgressofShaanxiProvince, andtheFourthPrizeofNationalNaturalSciencein1990.Intermsofteachingandsubjectconstruction, "créeradepa L'enseignement des mathématiques appliquées aux caractéristiques chinoises et à la culture de talents composés de haute qualité a remporté le deuxième prix national de l'enseignement en 1997 et le prix spécial du gouvernement populaire provincial du Shaanxi.

Travaux académiques

"La stabilité des chiffres de flux"

« principe et application combinés du commutateur »

"StreamCryptographie et son application"

"Séquence pseudo-aléatoire et son application" etc.

Derrière la légende

Mr.Xiaocannowbesaidtobefullofpeachesandplums.However, thereporterinterviewedMr.XiaoIntheprocess, heneverforgetstomentionhisowntwoteachers, "Inmylifetherearetwoteacherswhohaveagreatinfluenceonme.OneisthelateProfessorChengQixiangwhotaughtmemathematicswhenIwasagraduatestudent.Mr.Chengtaught.Neverneedtogivelectures, andalwaysguidestudentsfromaresearchpointofviewtopursuetheprocessoffindingthetruth.Forexample, teachtheestablishmentofalargermathematicalsysteminanexistingsystem, andfirstindicatethattheoriginalsystemisnotenoughinrealityandneedstobeexpanded..Beforeexpansion, wemustfirstsummarizethemainadvantagesoftheoriginalsystem, inordertobuildthenewsystemtomaintaintheseadvantages (compatibilité) .Asforhowtoexpand, wehopethattheexpandedsystemisthelargestsystemwiththeseadvantages (complet) Mr.Chengexplainedtheseeminglyboringmathematicsasmethodicalandlogicalasphilosophy .Il a aussi souvent dit que dans les temps anciens, on dit que la petite pierre devient de l'or. J'espère que tout le monde ne regardera pas l'or, mais ehandofthestone.Goforit.Ces pensées ont affecté ma vie. "

Mr.Xiaowasobviouslyverygratefulfortheteachingsoftheteachers, andcontinuedtotellreporters, "TheotherteacherwhohashadadeepimpactonmeisnowoverAcademicianChenTaiyiinthe8thyear.Intheearly1960s, Mr.Chenledseveralyoungpeopletoorganizeinformationseminars.Hewasverykeenonnewtheoriesandnewideas.Heleduswhenwewereyoung (thelateProfessorLiangChuanjia, ProfessorWangYumin, ProfessorWangXinmei) haveenteredthefieldofinformationtheory, codingandcryptographysofar.WhatismoreimportantisthedeepimpressionandprofoundinfluencebroughttomebyMr.Chen'snoblepersonalitycharm.AcademicianChenTaiyi, AcademicianZhouJiongpan, andCaiChangnianTheprofessorsarethefoundersofourcountry'sinformationtheorydiscipline.Thebeautifulfriendshipbetweenthemandmeandtheirrespectiveoutstandingcharactershaveprofoundlyaffectedmeandareagreatassetinmylife.Iamgratefultohavesuchgreatfriendsthroughoutmylife.Together, wehaveexperiencedthetestoftheeraofclassstruggle (« punition de l'homme »), et aussi l'épreuve du jeu et de la fortune de la science puisqu'elle se forme et s'ouvre. »

NowTeacherXiaolookspeacefulandpeaceful, ButwhenImentionedthepast, TeacherXiaocouldn'thelpfeelingalittlebit, "ThestormoftheCulturalRevolutionmademeunderstandlife.Decadesofclassstrugglehascausedourcountrytolosemanyoutstandingtalents.Iwillsurviveasasurvivor.Iamasurvivor.Ifeelthataperson'slifeenablesmetodosomethingandstay, butIcan'tdonon-discriminatorydelusions.Keepinmindtheancientmottoof « Thereisaskyoutsideofthesky » .Nevercareaboutthegrievancesthathavepassedaway, becauseitisadisasterforourentirecountryandnation.IfweliveinindividualsalldaylongInthemidstofthegrievancesandgainsandlosses, itwouldbetootiring.Theso-called'broadnessofheavenandearth, toleranceisgreat'isalsooneofthebeautifulqualitiesofhumanbeings. Personnellement, j'ai beaucoup d'insuffisances et j'ai fait beaucoup de torts, mais je peux aussi tolérer les insuffisances et les fautes des autres. encesandmadeimportantreports, oftenincollegesanduniversities.Institutionsandresearchinstitutesteachcryptographyknowledge.IfentrustedbytheMinistryofElectronics, theyhavehostedthefirst, secondandthirdnationalcryptographicconferences.Onceinvitedasaspecialrepresentativeatthe25thInternationalKanahanSecurityTechnologyConference, hewasaspecialinvitedacademicReport.ItisoneoftheearliestscholarsinChinawhoadvocatedtheresearchofcivilcryptography, andalsooneofthefirstscholarstointroducethepublickeycryptosystemtoChina.ItwaswidelypromotedinthenationaldefensesystemandPekingUniversity.

Speakingofteachingandeducatingpeople, TeacherXiaosaid, "Idonotapproveofthedignityofteachers.Iagreethateveryoneisequalbeforethetruth.Overtheyears, Isubjectivelyregardedstudentsasfriends, gaveyoungpeoplefullacademicfreedom, andmadecontinuousprogressintheprocessof'teachingandlearning.'Mystudentscomefromprofessionalfieldsincludingmathematics, ordinateur, communicationandsoon.Theyhelpeachotherandloveeachotherandlearnfromeachother, whichisverybeneficial." ProfessorXiaoGuozhenhasservedasvisitingprofessorinuniversitiesinGermany, Canada, theNetherlands, France, Japon, Singaporeandothercountries.HehasbeeninuniversitiesinFrance, theUnitedStates, Canada, Danemark , la Suisse et d'autres pays, ainsi que l'université de Pékin et l'université de Fudan en Chine. L'université a donné des cours à court terme. rtments.Since1979andSinceenrollingmasterstudentsanddoctoralstudentsrespectivelyin1991, wehavecultivatedmanyoutstandingtalentsforourcountry'seducationalandscientificresearchinstitutions.Amongthegraduatestudentswhohavebeenguidedandtrained, somehavebecomeinternationallyrenownedscholarsinthefieldofcryptography, suchasLaiXuejiaandDingCunsheng, andsomeareinTheparty, gouvernement, andmilitarydepartmentsplayakeyrole, suchasLiuFuyun, HeLiangsheng, FengDengguo, etc.ProfessorXiaoGuozhenwasawardedasanoutstandingteacheroftheMinistryofElectronicsin1985, andwasawardedtheNationalHigherEducationInstitutionbytheStateEducationCommissionandtheNationalScienceandTechnologyCommissionin1990.Advancedscienceandtechnologyworkers », begantoenjoyspecialgovernmentallowancesin1991, andwasratedasanexpertwithoutstandingcontributionsinShaanxiProvinceinthesameyear.Becauseofhisoutstandingcontributionstonationaldefense, hewonthefirstprizeofGuanghuaScienceandTechnologyFundin1992andShaanxiProvincein1998.ProvincialExcellentDoctoralTutorsando les titres.

Nowisanimpetuoussociety.Comparedwiththepast, theyoungpeopleofthisgenerationhavemoreandmorechoices, sometimestoomanytochoose.AboutthisQuestion, TeacherXiaothinksthisway: youngpeopleshouldhaveagoodacademicfoundationiftheywanttoachievegreatersuccess, theyshouldbeabletosettledownonlearning, anddon'tbetootemptedbythecommodityeconomy.AsaclassictreecatalogueandliteratureforthismajorYoumustreadcarefully.Buttherearetoomanyunreadablebooks, otherwiseyouwillnotfinishreadinginyourlife, andyouwillbecomeanerd.Onthebasisofreading, youmustlearnto "problème learnwith (thesubjectoftheresearch), learnandapplyitflexibly." « Usingurgentlyandlearningfirst » willmakeachievements.Asforthecurrentbraindrainproblem, M.. Xiao l'attribue à deux points : l'un est dû au système de gestion et à l'environnement académique, et l'autre est la question du salaire.

Itisastoneofthemountain, whichcanbeusedforjade.TalkingaboutinformationsecurityandcryptographyTeacherXiaohashisownsetofviewsonthisuniqueknowledge.Hetoldreporters, "Mythinkingonthestabilitytheoryincryptographyisduetomyinformationtheoryfoundation.Whenbuildinganinformationsystem, wealwayshopethatithasrobustness, thatis, minorchangesinsomeparametersofthesystemwillnotcauseagreatchangeintheoriginalcharacteristicsofthesystem.IparticipatedintheNationalDefenseSpectrumTechnologySymposiumintheearly1980s.ThisseminarwasdevotedtothespectrumtechnologyofBoolelogicandmulti-valuedlogic, whichmademethinkofusingspectrumtechnologytostudyandobserverelatedissuesinthefieldofcryptography, includingrelatedimmunity.AllthesemademerealizethatparticipatinginacademicdiscussionsinotherdisciplinesisconducivetothedevelopmentoftheprofessionalworkIamengagedin.Theso-disant" stonesfromothermountainscanbeusedforjade », thatisthemeaninghere. "ProfessorXiaoGuozhenhaspublished9influentialbooks.Hisworks" PrincipleandApplicationofCombination Switch "et" PseudoRandomSequenceandItsApplication "haveacertainreputationinthedomesticcryptographycircle.Theyhavebecomethemainreferencebibliographyforcryptographers.1991ProfessorXiaoGuozhenandhisgraduatestudentspublishedthemonograph" TheStabilityofStreamCiphers "inSpringer-VarlagPublishingHouse.Theypioneeredthetheoryofstreamcipherstabilitybasedonspectrumtechnology, andproposedaseriesofbrand-newdesignandanalysisofstreamciphers.Theconceptofsphere.Amongthem, aseriesofimportantconcepts, theoriesandissuessuchasanumberofopenissues, theprincipleofenergyconservationinsecurityandBAAattacks," weightcomplexity "et" spherecomplexity "areproposed.ThistheoryshowsthatinternationallyTherelatedattackmethodincryptanalysis, whichhasbeenusedformanyyears, isaguidingerror.Ithasattractedtheattentionofinternationalexpertsandscholars .Dans la monographie "StreamingCryptographyand ItsApplications" et d'autres travaux connexes, le professeur Xiao Guozhen a encore systématisé cette théorie a résolu certains des problèmes publics. ernedabouttheindustryofcryptography.Atpresent, Mr.Xiaoisemployedasacorporateconsultantforadomesticsecurityproductcompany, andisbeinghiredasatechnicalconsultantforbargainingwithforeigncompanies.Inaddition, hehasalsoservedasaconsultantIhavebeenthechiefengineerofseveralcompanies.TeacherXiaobelievesthatourdomesticinformationsecuritytechnologyshouldbesaidtobesynchronizedwiththeworldfromatheoreticallevel.Ofcourse, thereisacertaindegreeofgap, butitisnotlarge; thegapislargeandsoft.Hardwaretechnologyandcorrespondingmanagementsystem.Atpresent, domesticsecurityproductsbasicallyrefertothecorrespondingforeigntechnologyandmakesomemodificationsonthebasisofit.However, thereisacertaingapbetweentheoverallsystemstructure (suchasPKI) andforeigncountries.Thisproblemisashortperiodoftime.Itisdifficulttoimprove.However, thereisstillhopeandthingsaredone.Interviewnotes: IfirstmetMr. XiaoGuozhen lors du " China Information Security Development and Strategy High-level Séminaire " organisé par le magazine le 20 avril. rtercontactedhimonthephoneforallaspectsoftheseminar, andlearnedaboutMr.Xiao'spositionintheinformationsecurityindustrybeforehand, andknewthathewasfullofpeachandplumintheinformationsecurityindustry, sotherewasabitofpanicbetweenthewordsonthephone.Igotthroughthephone, butIfeltthatTeacherXiao'sspeechwaspeaceful, kindandpragmatic, andeverythingwasdoneaccordingtothemagazine'sarrangements, andthespeechwassenttothemagazineontime, andthereporterdidn'tworryaboutitatall.Andtotheseminar.IwasfortunatetolistentoTeacherXiao'sspeech, andIwasfortunatetohaveclosecontactwithTeacherXiaoinprivate.IfeltthatalthoughTeacherXiaohasgrayhaironhistemples, heisveryactiveinthinkingandhasatimelyunderstandingofinternationaltrends.Thereisencouragement, andthereisafaintdemeanorofabenevolentperson.TeacherXiaoisnowalegendinthecryptographicworld, andwillcontinuetobeanunendinglegend, animmortallegend.( AnunfinishedlegendintheChinesecryptographicworld-XidianSidelightsofProfessorXiaoGuozhen," InformationSecurityandCommunicationConfidentia lity "MagazinePress , numéro 8 de 2001)

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