International Association for Cryptologic Research

International Association
for Cryptologic Research

CryptoDB

Eiji Okamoto

Publications

Year
Venue
Title
2016
ASIACRYPT
Size-Hiding Computation for Multiple Parties 📺
Kazumasa Shinagawa Koji Nuida Takashi Nishide Goichiro Hanaoka Eiji Okamoto
2009
CHES
Hardware Accelerator for the Tate Pairing in Characteristic Three Based on Karatsuba-Ofman Multipliers ★
Jean-Luc Beuchat Jérémie Detrey Nicolas Estibals Eiji Okamoto Francisco Rodríguez-Henríquez
2007
CHES
Arithmetic Operators for Pairing-Based Cryptography ★
Jean-Luc Beuchat Nicolas Brisebarre Jérémie Detrey Eiji Okamoto
2000
PKC
A Structured ElGamal-Type Multisignature Scheme
Mike Burmester Yvo Desmedt Hiroshi Doi Masahiro Mambo Eiji Okamoto Mitsuru Tada Yuko Yoshifuji
1996
ASIACRYPT
How to Utilize the Transformability of Digital Signatures for Solving the Oracle Problem
Masahiro Mambo Kouichi Sakurai Eiji Okamoto
1994
CRYPTO
Ciphertext Only Attack for One-way Function of the MAP Using One Ciphertext
Yukiyasu Tsunoo Eiji Okamoto Tomohiko Uyematsu
1988
EUROCRYPT
Substantial Number of Cryptographic Keys and Its Application to Encryption Designs
Eiji Okamoto
1987
CRYPTO
Key Distribution Systems Based on Identification Information
Eiji Okamoto
1985
CRYPTO
Lifetimes of Keys in Cryptographic Key Management Systems
Eiji Okamoto K. Nakamura

Service

Crypto 2010 Program committee
Asiacrypt 2009 General chair
Asiacrypt 2008 Program committee
IACR Board: Asiacrypt general chair 2008 - 2009
Asiacrypt 2003 Program committee
PKC 2001 Program committee
PKC 2000 Program committee
PKC 1999 Program committee
Asiacrypt 1999 Program chair
Asiacrypt 1996 Program committee
Crypto 1991 Program committee
Asiacrypt 1991 Program committee

Coauthors

Jean-Luc Beuchat (2)
Nicolas Brisebarre (1)
Mike Burmester (1)
Yvo Desmedt (1)
Jérémie Detrey (2)
Hiroshi Doi (1)
Nicolas Estibals (1)
Goichiro Hanaoka (1)
Masahiro Mambo (2)
K. Nakamura (1)
Takashi Nishide (1)
Koji Nuida (1)
Eiji Okamoto (9)
Francisco Rodríguez-Henríquez (1)
Kouichi Sakurai (1)
Kazumasa Shinagawa (1)
Mitsuru Tada (1)
Yukiyasu Tsunoo (1)
Tomohiko Uyematsu (1)
Yuko Yoshifuji (1)