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Research Output 1991 2020

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Article
2003
48 Citations (Scopus)
Watermarking
Watermark
Certification
Anonymity
Fingerprinting
7 Citations (Scopus)
Scalar multiplication
Elliptic Curves
Cryptography
Simultaneous Methods
Elliptic Curve Cryptosystem

On the security of yet another reduced version of 3-pass HAVAL

Her, Y. S. & Sakurai, K., 2003, In : Unknown Journal. p. 137 1 p.

Research output: Contribution to journalArticle

collision
Authenticated Encryption
Hashing
Cryptography
Path
Encryption
Timing Attack
Modular Exponentiation
Parallel algorithms
Parallel Algorithms
Exponent
3 Citations (Scopus)
Elliptic Curve Cryptosystem
Scalar multiplication
Cryptography
Simultaneous Methods
Inversion

“A Secure Fragile Watermarking”

Iwamura, K., Hayashi, J., Sakurai, K. & Imai, H., Jan 1 2003, In : Journal of the Institute of Image Electronics Engineers of Japan. 32, 1, p. 22-28 7 p.

Research output: Contribution to journalArticle

Watermarking
2002
6 Citations (Scopus)
Elliptic Curve Cryptosystem
Scalar multiplication
Cryptography
Recovery
Elliptic Curves
2001

A theory of demonstrating program result-correctness with cryptographic applications

Sakuralt, K., Jan 1 2001, In : IEICE Transactions on Information and Systems. E84-D, 1, p. 4-14 11 p.

Research output: Contribution to journalArticle

Demonstrations
19 Citations (Scopus)
Scalar multiplication
Doubling
Elliptic Curves
Computational complexity
Computational Complexity
1 Citation (Scopus)
Distributed Protocol
Cryptographic Protocols
Shareholders
Key Distribution
Attack
2000
2 Citations (Scopus)
Blind Signature
Discrete Logarithm Problem
Line
Certificate
Electronics
1 Citation (Scopus)
Cryptography
18 Citations (Scopus)
Hyperelliptic Curves
Cryptosystem
Cryptography
Software
Program processors
1999
4 Citations (Scopus)

Divertible and subliminal-free zero-knowledge proofs for languages

Burmester, M., Desmedt, Y. G., Itoh, T., Sakurai, K. & Shizuya, H., Jan 1 1999, In : Journal of Cryptology. 12, 3, p. 197-223 27 p.

Research output: Contribution to journalArticle

Zero-knowledge Proof
Language
1998
8 Citations (Scopus)

An improvement on El-Yaniv-Fiat-Karp-Turpin's money-making bi-directional trading strategy

Dannoura, E. & Sakurai, K., Apr 15 1998, In : Information Processing Letters. 66, 1, p. 27-33 7 p.

Research output: Contribution to journalArticle

Competitive Analysis
Trading Strategies
Money
17 Citations (Scopus)

A structural comparison of the computational difficulty of breaking discrete log cryptosystems

Sakurai, K. & Shizuya, H., Jan 1 1998, In : Journal of Cryptology. 11, 1, p. 29-43 15 p.

Research output: Contribution to journalArticle

Cryptosystem
Cryptography
Reducibility
Many to one
Oblivious Transfer
1997
23 Citations (Scopus)
Linear Cryptanalysis
Block Ciphers
Immunity
Cryptography
Transform
1 Citation (Scopus)

Practical proofs of knowledge without relying on theoretical proofs of membership on languages

Sakurai, K., Jul 30 1997, In : Theoretical Computer Science. 181, 2, p. 317-335 19 p.

Research output: Contribution to journalArticle

Identification Scheme
Soundness
Formulation
Knowledge
Language
1996
1 Citation (Scopus)

A short certificate of the number of universal optimal strategies for stopping simple stochastic games

Yanbe, A. & Sakurai, K., Jan 15 1996, In : Information Processing Letters. 57, 1, p. 17-24 8 p.

Research output: Contribution to journalArticle

Simple Game
Stochastic Games
Game theory
Certificate
Game Theory

On the complexity of the discrete logarithm for a general finite group

Okamoto, T., Sakurai, K. & Shizuya, H., 1996, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E79-A, 1, p. 61-65 5 p.

Research output: Contribution to journalArticle

Discrete Logarithm
Polynomial time
Finite Group
Polynomials
Discrete Logarithm Problem
1994
Electronic document identification systems
Signature
Identification Scheme
Digital Signature
One-way Function
1993
1 Citation (Scopus)
Interactive Proofs
Zero-knowledge Proof
Factorization
Integer
Simulation

Constant round perfect ZKIP of computational ability

Itoh, T. & Sakurai, K., Jul 1993, In : IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences. E76-A, 7, p. 1225-1233 9 p.

Research output: Contribution to journalArticle

Interactive Proof Systems
Perfect Simulation
Zero-knowledge Proof
Black Box
Factorization
7 Citations (Scopus)
Interactive Proof Systems
Zero-knowledge Proof
Polynomials
Black Box
Perfect Simulation
1 Citation (Scopus)
Zero-knowledge
Discrepancy