Information Security and Privacy

ACISP 2000, the Fifth Australasian Conference on Information Security and Privacy, was held in Brisbane, Australia, 10 12 July, 2000. The conference was sponsored by the Information Security Research Centre at Queensland Univ- sity of Technology, the Australian Computer Society, Telstra, Boeing Australia Limited, SecureGate Limited, and RSA Security Pty Ltd. We are grateful to all these organizations for their support of the conference. The conference brought together researchers, designers, implementors, and users of information security systems. The aim of the conference is to have a series of technical refereed and invited papers to discuss all di?erent aspects of information security. The program committee invited seven distinguished sp- kers: Mike Burmester, G. R. Blakley, Bob Blakley, Brian Denehy, Roger Lyle, John Snare, and Alan Underwood. Mike Burmester from Royal Holloway C- lege,UniversityofLondonpresentedapaperentitled ASurveyofKeyDistri- tion ; G. R. Blakley from Texas A&M University and Bob Blakley from the IBM Tivoli Security Business Unit presented a paper entitled All Sail, No Anchor, I: Cryptography, Risk, and e-Commerce ; Brian Denehy from SecureGate Limited presented a paper entitled Secure Networks or Network Security Approaches toBoth ;RogerLylefromStandardsAustraliaandJohnSnarefromTelstrap- sented a paper entitled Perspectives on Australia s New Information Security Management Standard ; and Alan Underwood from the Australian Computer Societypresentedapaperentitled ProfessionalEthicsinaSecurityandPrivacy Context The Perspective of a National Computing Society . There were 81 technical papers submitted to the conference from an int- national authorship. These papers were refereed by the program committee and 37 papers were accepted for the conference.

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papers were accepted for the conference.

Inhalt
Network Security I.- Protecting Confidentiality against Trojan Horse Programs in Discretionary Access Control System.- Towards a New Authorisation Paradigm for Extranets.- Custom Safety Policies in Safe Erlang.- Public Key Cryptography.- A Proposal of a New Public Key Cryptosystem Using Matrices over a Ring.- Secure Length-Saving ElGamal Encryption under the Computational Diffie-Hellman Assumption.- Efficient Scalar Multiplications on Elliptic Curves without Repeated Doublings and Their Practical Performance.- Network Security II.- High Performance Agile Crypto Modules.- A Three-Party HTTP Proxy to Support Internet Content Regulation.- Cryptographic Implementation Issues.- Cryptanalysis of the m Permutation Protection Schemes.- An Implementation of Bitsliced DES on the Pentium MMXTM Processor.- Electronic Commerce I.- Securing Large E-Commerce Networks.- Passive Entities: A Strategy for Electronic Payment Design.- Key Recovery.- Key Recovery System for the Commercial Environment.- A Key Escrow Scheme with Time-Limited Monitoring for One-Way Communication.- Public Key Infrastructure.- Key Management for Secure Multicast with Dynamic Controller.- PKI Seeks a Trusting Relationship.- The PKI Specification Dilemma: A Formal Solution.- Boolean Functions.- Iterative Probabilistic Cryptanalysis of RC4 Keystream Generator.- Security Weaknesses in a Randomized Stream Cipher.- Two-Stage Optimisation in the Design of Boolean Functions.- Intrusion Detection.- A Novel Engine for Various Intrusion Detection Methods.- Codes.- Construction and Categories of Codes.- Digital Signatures I.- Cryptanalysis of Polynomial Authentication and Signature Scheme.- Secure Transactions with Mobile Agents in Hostile Environments.- A Multisignature Scheme with Message Flexibility, Order Flexibilityand Order Verifiability.- Secret Sharing I.- Light Weight Broadcast Exclusion Using Secret Sharing.- Cheating Prevention in Secret Sharing.- On Multiplicative Secret Sharing Schemes.- Digital Signatures II.- On the Security of the RSA-Based Multisignature Scheme for Various Group Structures.- Fail-Stop Confirmer Signatures.- An Extremely Small and Efficient Identification Scheme.- Protocols.- An Anonymous Electronic Bidding Protocol Based on a New Convertible Group Signature Scheme.- AKA Protocols for Mobile Communications.- Electronic Commerce II.- A Three Phased Schema for Sealed Bid Auction System Design.- An Online Public Auction Protocol Protecting Bidder Privacy.- Secret Sharing II.- Algorithms to Speed Up Computations in Threshold RSA.- Sharing Block Ciphers.- Keynote Papers.- All Sail, No Anchor, I: Cryptography, Risk, and e-Commerce.- Professional Ethics in a Security and Privacy Context the Perspective of a National Computing Society.