2003 International Symposium on
Next Generation Cryptography and Related Mathematics

Organized by 21st Century COE Security Program and RDI, Chuo University

February 11 - 13, 2003

International Conference Hall, Ichigaya Campus, Chuo University
42-8 Honmura-cho, Ichigaya, Shinjyuku-ku, Tokyo 162-8473, Japan
Access Map (in Japanese)


P r o g r a m

Feb. 11 ( Tuesday )
   
13:00-13:30 Shigeo Tsujii (Chuo Univ., Japan)
  e-Japan program and cryptography 
13:30-14:00 Osamu Hirota (Tamagawa University, Chuo Univ., Japan)
  Recent trend of quantum information technology  abstract
14:20-15:20 Hiroshi Imai (University of Tokyo, Japan)
  Impacts on Cryptography from Quantum Computation and Information Research  abstract
15:40-16:40 Manindra Agrawal (Indian Institute of Technology Kanpur, India)
  PRIMES is in P  abstract
17:00-18:00 Welcome
   
Feb. 12 ( Wednesday )
   
10:00-11:00 Nobuo Tsuzuki (Hiroshima University, Japan)
  p-adic cohomology and rational points on elliptic curves over finite fields of characteristic 2  abstract
11:20-12:20 Marc Skov Madsen (Aarhus Universitet, Danmark)
  Canonical lifting of ordinary elliptic curves using isogenies and the formula for the $j$-invariant  abstract
13:50-14:20 Koh-ichi Nagao (Kanto Gakuin University, Chuo Univ., Japan)
  Analysis of Baby-Step Giant-Step Algorithms for Non-uniform Distributions  abstract
14:20-14:50 Seigo Arita (NEC, Chuo Univ., Japan)
  Weil descent attack against genus two hyperelliptic curve cryptosystems over even degree finite fields  abstract
15:10-16:10 Claus Diem (University of Essen, Germany)
  On Covering Attacks  abstract
16:30-17:30 Kumar Murty (Toronto University, Canada)
  Splitting of Abelian Varieties
18:00-20:00 Reception
   
Feb. 13 ( Thursday )
   
10:00-11:00 Mahoro Shimura (Chuo Univ., Japan)
  Defining equations of modular curves $X_0(N)$ and its applications  abstract
11:20-12:20 Annegret Weng (University of Essen, Germany)
  The construction of secure Picard curves  abstract
13:50-14:50 Pierrick Gaudry (École Polytechnique, France)
  Counting points of genus 2 curves over prime finite fields  abstract
15:10-16:10 Tanja Lange (Ruhr-University of Bochum, Germany)
  Efficient arithmetic on (hyper-)elliptic curves over finite fields  abstract
16:30-17:30 Tsutomu Sekiguchi (Chuo Univ., Japan)
  On the algorithm on the Jacobian varieties of curves (for the application to the public key cryptosystem)  abstract
17:30 Closing