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1、http://www.paper.edu.cnTheBanknoteAnti-forgerySystemBasedonPublicKeyAlgorithmsandICChipsShenghuiSuandBingruYangSchoolofInformationEngineering,UniversityofScienceandTechnologyBeijingBeijing100083P.R.Chinasheenway@126.comAbstractBycombiningadvantagesofpublickeyalgori
2、thmsandintegratedcircuitchips,theauthorsputforwardsanewmethod,calledabanknoteanti-forgerysystem,forpreventingbanknotesfrombeingfaked.PresentsimplythetechnologiesofICchipsanddigitalsignatures,designthepreliminaryschemeofthenewsystem,includingthearchitectureandmodule
3、functions,andanalyzethesecurityandeffectivenessofthenewsystem.Thepapercomparesthenewmethodwiththeexistingmethodsintechniquesandcosts,exhibittheadvantagesofthenewmethod,anddiscusscurtlythedigitalsignaturealgorithmswithasmallmodulus.Keywords:Publickeycryptosystem,Ban
4、knoteanti-forgery,Digitalsignature,ICchip,Preliminaryscheme.1IntroductionIn1976,theconceptofapublickeycryptographywasfirstputforwardsbyWhitfieldDiffieandMartinHellman.Apublickeycryptosystemcontainsapublickeyandaprivatekey.Thepublickeywhichmaybegiventoeveryoneinadom
5、ainisappliedtoencryption,theprivatekeywhichisindividuallykeptonlybytheuserhimselfisappliedtodecryption.Furthermore,itisinfeasibletoinferthecorrespondingprivatekeyfromthepublickey.Bynow,theapplicabilityofpublickeycryptosystemshasbeenextendedtodigitalsignatureandiden
6、tityverificationforauthenticatingasenderandpreventingmessagesfrombeingdenied[1][2]bythesenderandmodifiedbyattackers.Althoughanelectroniccurrencyhasalreadycomeforth,papercurrencies,namelybanknotes,asoneoftheage-oldestandmostconvenienttrademediums,stillplayanirreplac
7、eableroletoday,andalsowillnotdisappearinthefuture.However,banknotescounterfeitedenormouslyhavebroughtgreatlossestoworldeconomies.Becauseexistingphysicalandopticalanti-forgerymeanscan’tsuppressbanknotecounterfeitthoroughly,seekingfornewandbreaking-throughanti-forger
8、ytechniqueshasbecomeurgentaffairsofnearlyeverycountry’scenterbank.Inthispaper,theauthorsproposeanewmethod,acomputerapplicationsystemshortlycalled
