Front Cover Day 1 Day 2 Day 3 Day 3: Thursday, 20 January 2000 08.30 - 10.00 Session 9. Applications (II) [Session Chair: Eric Verheul] Cryptographic Approaches to Privacy in Forensic DNA Databases Philip Bohannon, Markus Jakobsson Bell Labs, USA Sukamol Srikwan Chulalongkorn University, THAILAND Forward Secrecy and Its Application to Future Mobile Communications Security DongGook Park Korea Telecom, KOREA Colin Boyd Queensland Uni of Technology, AUSTRALIA Sang-Jae Moon Kyungpook National University, KOREA Key Recovery in Third Generation Wireless Communication Systems Juánma Gonzalez Nieto Queensland Uni of Technology, AUSTRALIA DongGook Park Korea Telecom, KOREA Colin Boyd, Ed Dawson Queensland Uni of Technology, AUSTRALIA 10.00 - 10.30 Coffee Break 10.30 - 12.00 Session 10. Elliptic Curve Cryptosystems [Session Chair: Markus Jakobsson] Gaudry's Variant Against Cab Curves Seigo Arita NEC Corporation, JAPAN Elliptic Curves with the Montgomery-Form and Their Cryptographic Applications Katsuyuki Okeya, Hiroyuki Kurumatani Hitachi, JAPAN Kouichi Sakurai Kyushu University, JAPAN Efficient Implementation of Schoof's Algorithm in case of Characteristic 2 Tetsuya Izu, Jun Kogure, Kazuhiro Yokoyama Fujitsu Laboratories Ltd, JAPAN 12.00 - 13.30 Lunch Break 13.30 - 15.00 Session 11. Supporting Functions and Techniques for Public Key Cryptography [Session Chair: Claus Schnorr] Making Hash Functions from Block Ciphers secure and efficient by using convolutional codes Toru Inoue AMSL, JAPAN Kouichi Sakurai Kyushuu University, JAPAN Optimally Efficient Accountable Time-Stamping Ahto Buldas, Helger Lipmaa Küberneetika AS, ESTONIA Berry Schoenmakers Eindhoven Uni of Tech., THE NETHERLANDS Selecting Cryptographic Key Sizes Arjen K Lenstra Citibank, N.A., USA Eric R Verheul PricewaterhouseCoopers, THE NETHERLANDS 15.00 - 15.30 Coffee Break 15.30 - 17.00 Session 12. Public Key Infrastructure (II) [Session Chair: Kanta Matsuura] Confidence Valuation in a Public-Key Infrastructure Based on Uncertain Evidence Reto Kohlas, Ueli Maurer ETH Zurich, SWITZERLAND Efficient and Fresh Certification Irene Gassko Bell Labs, USA Peter Gemmell University of New Mexico, USA Philip MacKenzie Bell Labs, USA Security of Public Key Certificate Based Authentication Protocols Wu Wen, T Saito , F Mizoguchi Science University of Tokyo, JAPAN 17.00 Adjourn