Information Security and Privacy

The4thAustralasianConferenceonInformationSecurityandPrivacywasheld attheUniversityofWollongong,Australia. Theconferencewassponsoredby theCentreforComputerSecurityResearch,UniversityofWollongong,andthe AustralianComputerSociety. Theaimoftheconferencewastobringtogether peopleworkingindi erentareasofcomputer,communication,andinformation securityfromuniversities,industry,andgovernmentinstitutions. Theconference gavetheparticipantsanopportunitytodiscussthelatestdevelopmentsinthe quicklygrowingareaofinformationsecurityandprivacy. Theprogramcommitteeaccepted26papersfrom53submitted. Fromthose accepted, thirteen papers were from Australia, two each from Belgium and China,andoneeachfromAustria,Belarus,France,India,Japan,Korea,Sin- pore,theUSA,andYugoslavia. Conferencesessionscoveredthefollowingtopics: accesscontrolandsecuritymodels,networksecurity,Booleanfunctions,group communication,cryptanalysis,keymanagementsystems,electroniccommerce, signatureschemes,RSAcryptosystems,andoddsandends.^ We would like to thank the members of the program committee who - nerouslyspenttheirtimereadingandevaluatingthepapers. Wewouldalsolike tothankmembersoftheorganisingcommitteeand,inparticular,ChrisCh- nes,HosseinGhodosi,MarcGysin,Tiang-BingXia,Cheng-XinQu,SanYeow Lee,YejingWang,Hua-XiongWang,Chih-HungLi,WillySusilo,ChintanShah, Je reyHorton,andGhulamRasoolChaudhryfortheircontinuousandtireless e ortinorganisingtheconference. Finally,wewouldliketothanktheauthorsof allthesubmittedpapers,especiallytheacceptedones,andalltheparticipants whomadetheconferenceasuccessfulevent.^ February1999 JosefPieprzyk ReiSafavi-Naini JenniferSeberry FOURTHAUSTRALASIANCONFERENCE ONINFORMATIONSECURITY ANDPRIVACY ACISP’99 Sponsoredby CenterforComputerSecurityResearch UniversityofWollongong,Australia and AustralianComputerSociety GeneralChair: JenniferSeberry UniversityofWollongong ProgramCo-Chairs: JosefPieprzyk UniversityofWollongong ReiSafavi-Naini UniversityofWollongong ProgramCommittee: ColinBoyd QueenslandUniversit