Public Key Cryptography
Second International Workshop on Practice and Theory in Public Key Cryptography, PKC'99, Kamakura, Japan, March 1-3, 1999, Proceedings
Herausgegeben: Imai, Hideki; Zheng, Yuliang
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This book constitutes the refereed proceedings of the Second International Workshop on Practice and Theory in Public Key Cryptography, PKC'99, held in Kamakura, Japan in March 1999. The 25 revised full papers presented were carefully reviewed and selected from a total of 61 submissions. The volume reports most recent research results on all relevant aspects in public key cryptography. Among the topics covered are digital signatures, anonymous finger printing, message authentication, digital payment, key escrow, RSA systems, hash functions, decision oracles, random numbers, finite field computations, pay-per-view-systems, and electronic commerce.
ThePKC 99conference,heldintheancientcapitalofKamakura,Japan,March 1-3,1999,representsthesecondconferenceintheinternationalworkshopseries dedicatedtothepracticeandtheoryinpublickeycryptography. Theprogramcommitteeoftheconferencereceived61submissionsfrom12co- triesandregions(Australia,Canada,Finland,France,Japan,SaudiArabia,S- gapore,Spain,Taiwan,UK,USA,andYugoslavia),ofwhich25wereselectedfor presentation. Allsubmissionswerereviewedbyexpertsintherelevantareas. TheprogramcommitteeconsistedofChin-ChenChangoftheNationalChung ChengUniversity,Taiwan,YvoDesmedtoftheUniversityofWisconsin-Milwaukee, USA,HidekiImai(Co-Chair)oftheUniversityofTokyo,Japan,MarkusJak- sson of Bell Labs, USA, Kwangjo Kim of Information and Communications University, Korea, Arjen Lenstra of Citibank, USA, Tsutomu Matsumoto of YokohamaNationalUniversity,Japan,EijiOkamotoofJAIST,Japan,Tatsuaki OkamotoofNTT,Japan,NigelSmartofHPLabsBristol,UK,andYuliang Zheng(Co-Chair)ofMonashUniversity,Australia. Membersofthecommittee spentnumeroushoursinreviewingthesubmissionsandprovidingadviceand commentsontheselectionofpapers. Wewouldliketotakethisopportunityto thankallthemembersfortheirinvaluablehelpinproducingsuchahighquality technicalprogram. Theprogramcommitteealsoaskedexpertadviceofmanyoftheircolleagues,- cluding:MasayukiAbe,KazumaroAoki,DanielBleichenbacher,AtsushiFujioka, EiichiroFujisaki,ChandanaGamage,BrianKing,KunioKobayashi,Tetsutaro Kobayashi,PhilMacKenzie,HidemiMoribatake,KazuoOhta,AminShokr- lahi,ShigenoriUchiyama,andYonggeWang. Wethankthemallfortheirhelp. Theconferencewouldnothavebeensuccessfulwithouttheskillfulassistance ofthemembersoftheorganizingcommittee. OurspecialthanksgotoTakashi ManoofIPA,Japan,KantaMatsuuraandHidenoriShida,bothofUniversity ofTokyo,Japan. Last,butnotleast,wewouldliketothankallthepeoplewhosubmittedtheir paperstotheconference(includingthosewhosesubmissionswerenotsuccessful), aswellastheworkshopparticipantsfromaroundtheworld,fortheirsupport whichmadethisconferencepossible. March1999 UniversityofTokyo,Japan HidekiImai MonashUniversity,Melbourne,Australia YuliangZheng PKC 99 1999InternationalWorkshop onPracticeandTheory inPublicKeyCryptography KamakuraPrinceHotel,Kamakura,Japan March1-3,1999 Incooperationwith TheTechnicalGrouponInformationSecurity,theInstituteof Electronics,InformationandCommunicationEngineers(IEICE) OrganizingCommittee HidekiImai,Chair (UniversityofTokyo,Japan) TakashiMano (IPA,Japan) KantaMatsuura (UniversityofTokyo,Japan) HidenoriShida (UniversityofTokyo,Japan) YuliangZheng (MonashUniversity,Australia) ProgramCommittee HidekiImai,Co-Chair (UniversityofTokyo,Japan) YuliangZheng,Co-Chair (MonashUniversity,Australia) Chin-ChenChang (NationalChungChengUniversity,Taiwan) YvoDesmedt (UniversityofWisconsin-Milwaukee,USA) KwangjoKim (InformationandCommunicationsUniversity,Korea) MarkusJakobsson (BellLabs,USA) ArjenLenstra (Citibank,USA) TsutomuMatsumoto (YokohamaNationalUniversity,Japan) EijiOkamoto (JAIST,Japan) TatsuakiOkamoto (NTT,Japan) NigelSmart (HPLabsBristol,UK) Contents ANewTypeof\MagicInk"Signatures Towards Transcript-IrrelevantAnonymityRevocation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 FengBaoandRobertH. Deng(KentRidgeDigitalLabs,Singapore) ANewAspectofDualBasisforE cientFieldArithmetic . . . . . . . . . . . . . . . . . 12 Chang-HyiLee(SAIT,Korea) Jong-InLim(KoreaUni) OntheSecurityofRandomSources. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29 Jean-S ebastienCoron(ENSandGemplus,France) AnonymousFingerprintingBasedonCommitted ObliviousTransfer. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43 JosepDomingo-Ferrer(UniRoviraiVirgili,Spain) HowtoEnhancetheSecurityofPublic-Key EncryptionatMinimumCost. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53 EiichiroFujisakiandTatsuakiOkamoto(NTT,Japan) EncryptedMessageAuthenticationbyFirewalls. . .. . . . . . . .
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