Front Cover Day 1 Day 2 Day 3 Day 1: Tuesday, 18 January 2000 08.30 - 09.30 Registration 09.30 - 09.40 Opening Address 09.40 - 10.30 Invited Talk 1 [Session Chair: Andrew Mich] PKI in Australia Mr Udo Rockmann Office for Government Online, AUSTRALIA 10.30 - 11.00 Coffee Break 11.00 - 12.30 Session 1. Public Key Infrastructure (I) [Session Chair: Kwangjo Kim] A State-Based Model for Certificate Management Systems Chuchang Liu, Maris A Ozols, Marie Henderson, Tony Cant DSTO, AUSTRALIA Certificates of Recoverability with Scaleable Recovery Agent Security Eric Verheul PricewaterhouseCoopers, THE NETHERLANDS RSA-based Auto-Recoverable Cryptosystems Adam Young Columbia University, USA Moti Yung CertCo, USA 12.30 - 14.00 Lunch Break 14.00 - 15.30 Session 2. Applications (I) [Session Chair: Moti Yung] A Practical and Secure Fault-tolerant Conference-key Agreement Protocol Wen-Guey Tzeng National Chiao Tung University, TAIWAN An Auction Protocol Which Hides Bids of Losers Kazue Sako NEC Corporation, JAPAN Some Remarks on a Fair Exchange Protocol Jianying Zhou, Robert Deng, Feng Bao Kent Ridge Digital Labs, SINGAPORE 15.30 - 16.30 Coffee Break and Poster Paper Display 16.30 - 18.00 Session 3. Design and Use of Digital Signature Schemes [Session Chair: Sang-Jae Moon] Identification of Bad Signatures in Batches Jaroslaw Pastuszak, Dariusz Michalek Polish Academy of Sciences, POLAND Josef Pieprzyk, Jennifer Seberry University of Wollongong, AUSTRALIA The Composite Discrete Logarithm and Secure Authentication David Pointcheval Ecole Normale Superieure, FRANCE Design Validations for Discrete Logarithm Based Signature Schemes Ernest Brickell Intel, USA David Pointcheval Ecole Normale Superieure, FRANCE Serge Vaudenay EPFL, SWITZERLAND Moti Yung CertCo, USA 18.00 Reception (Venue: Melbourne Exhibition Centre Auditorium Foyer and Clarendon Balcony, Level 2)