International Association for Cryptologic Research

International Association
for Cryptologic Research

CryptoDB

Kouichi Sakurai

Publications and invited talks

Year
Venue
Title
2016
PKC
CCA-Secure Keyed-Fully Homomorphic Encryption
Junzuo Lai Robert H. Deng Changshe Ma Kouichi Sakurai Jian Weng
2005
FSE
Security Analysis of a 2/3-Rate Double Length Compression Function in the Black-Box Model
Mridul Nandi Wonil Lee Kouichi Sakurai Sangjin Lee
2004
CHES
A New Attack with Side Channel Leakage During Exponent Recoding Computations
Yasuyuki Sakai Kouichi Sakurai
2004
PKC
A Distributed Online Certificate Status Protocol with a Single Public Key
Satoshi Koga Kouichi Sakurai
2002
CHES
Fast Multi-scalar Multiplication Methods on Elliptic Curves with Precomputation Strategy Using Montgomery Trick
Katsuyuki Okeya Kouichi Sakurai
2002
PKC
New Semantically Secure Public-Key Cryptosystems from the RSA-Primitive
Kouichi Sakurai Tsuyoshi Takagi
2001
CHES
Efficient Elliptic Curve Cryptosystems from a Scalar Multiplication Algorithm with Recovery of the y-Coordinate on a Montgomery-Form Elliptic Curve
Katsuyuki Okeya Kouichi Sakurai
2000
PKC
Making Hash Functions From Block Ciphers Secure and Efficient by Using Convolutional Codes
Toro Inoue Kouichi Sakurai
2000
PKC
Elliptic Curves with the Montgomery-Form and Their Cryptographic Applications
Katsuyuki Okeya Hiroyuki Kurumatani Kouichi Sakurai
1999
PKC
Toward Fair International Key Escrow
Shingo Miyazaki Ikuko Kuroda Kouichi Sakurai
1999
JOFC
Divertible and Subliminal-Free Zero-Knowledge Proofs for Languages
Mike Burmester Yvo Desmedt Toshiya Itoh Kouichi Sakurai Hiroki Shizuya
1998
ASIACRYPT
Design of Hyperelliptic Cryptosystems in Small Characteristic and a Software Implementation over F<sub>2</sub>n
Yasuyuki Sakai Kouichi Sakurai
1998
PKC
Security Issues for Contactless Smart Cards
Michael W. David Kouichi Sakurai
1998
PKC
Secure Hyperelliptic Cryptosystems and Their Performances
Yasuyuki Sakai Kouichi Sakurai Hirokazu Ishizuka
1998
JOFC
A Structural Comparison of the Computational Difficulty of Breaking Discrete Log Cryptosystems
Kouichi Sakurai Hiroki Shizuya
1997
FSE
Improving Linear Cryptanalysis of LOKI91 by Probabilistic Counting Method
Kouichi Sakurai Souichi Furuya
1996
ASIACRYPT
How to Utilize the Transformability of Digital Signatures for Solving the Oracle Problem
Masahiro Mambo Kouichi Sakurai Eiji Okamoto
1996
ASIACRYPT
A Hidden Cryptographic Assunmption in No-Transferable Indentification Schemes
Kouichi Sakurai
1995
EUROCRYPT
Relationships Among the Computational Powers of Breaking Discrete Log Cryptosystems
Kouichi Sakurai Hiroki Shizuya
1992
AUSCRYPT
Subliminal Channels for Signature Transfer and Their Application to Signature Distribution Schemes
Kouichi Sakurai Toshiya Itoh
1992
AUSCRYPT
On Bit Correlations Among Preimages of "Many to One" One-Way Functions
Kouichi Sakurai Toshiya Itoh
1992
CRYPTO
On the Discrepancy between Serial and Parallel of Zero-Knowledge Protocols (Extended Abstract)
Kouichi Sakurai Toshiya Itoh
1992
EUROCRYPT
How Intractable Is the Discrete Logarithm for a General Finite Group?
Tatsuaki Okamoto Kouichi Sakurai Hiroki Shizuya
1991
ASIACRYPT
On the Complexity of Constant Round ZKIP of Possession of Knowledge
Toshiya Itoh Kouichi Sakurai
1991
ASIACRYPT
Any Language in IP Has a Divertable ZKIP
Toshiya Itoh Kouichi Sakurai Hiroki Shizuya
1991
ASIACRYPT
4 Move Perfect ZKIP of Knowledge with No Assumption
Takeshi Saito Kaoru Kurosawa Kouichi Sakurai
1991
CRYPTO
Efficient Algorithms for the Construction of Hyperelliptic Cryptosystems
Tatsuaki Okamoto Kouichi Sakurai
1991
EUROCRYPT
On the Complexity of Hyperelliptic Discrete Logarithm Problem
Hiroki Shizuya Toshiya Itoh Kouichi Sakurai

Service

Asiacrypt 2006 Program committee
CHES 2005 Program committee
Asiacrypt 2005 Program committee
CHES 2004 Program committee
Asiacrypt 2004 Program committee
CHES 2003 Program committee
Asiacrypt 2002 Program committee
Asiacrypt 2001 Program committee
Asiacrypt 2000 Program committee
Asiacrypt 1998 Program committee

Coauthors

Mike Burmester (1)
Michael W. David (1)
Robert H. Deng (1)
Yvo Desmedt (1)
Soichi Furuya (1)
Toro Inoue (1)
Hirokazu Ishizuka (1)
Toshiya Itoh (7)
Satoshi Koga (1)
Ikuko Kuroda (1)
Kaoru Kurosawa (1)
Hiroyuki Kurumatani (1)
Junzuo Lai (1)
Wonil Lee (1)
Sangjin Lee (1)
Changshe Ma (1)
Masahiro Mambo (1)
Shingo Miyazaki (1)
Mridul Nandi (1)
Tatsuaki Okamoto (2)
Eiji Okamoto (1)
Katsuyuki Okeya (3)
Takeshi Saito (1)
Yasuyuki Sakai (3)
Kouichi Sakurai (28)
Hiroki Shizuya (6)
Tsuyoshi Takagi (1)
Jian Weng (1)