Koji Okada

19 papers A* 3A 4Misc 2Journal 5Unranked 5
YearRankTypeTitle / Venue / Authors
2021 — conf
Applying Business Ecosystem Analysis Methods into Edge Computing Device Business for E-Solutions.
IIAI-AAI-Winter
Koji Sekiguchi, Koji Okada
2020 — conf
Proposal of a Method Extracting Strategic Phrases from Japanese Enterprise Disclosure Documents.
IIAI-AAI
Shu Kawanami, Ken Hidema, Koji Okada
2018 — conf
Proposal of a Method to Understand and Model Dynamic Mechanisms Existing in Business Context.
IIAI-AAI
Koji Okada, Hayato Nishizono, Kosuke Tsubouchi, Tatsuya Hirukawa
2017 — conf
Estimation of Risk Countermeasure Effects Based Upon Project-Behavior Simulation System.
IIAI-AAI
Ayaka Oshima, Koji Okada
2011 Misc conf
Unforgeability of Re-Encryption Keys against Collusion Attack in Proxy Re-Encryption.
IWSEC
Ryotaro Hayashi, Tatsuyuki Matsushita, Takuya Yoshida, Yoshihiro Fujii, Koji Okada
2008 Misc conf
Simple and Efficient Group Signature Scheme Assuming Tamperproof Devices.
IWSEC
Takuya Yoshida, Koji Okada
2002 J jnl
On the bound for anonymous secret sharing schemes.
Discret. Appl. Math.
Wataru Kishimoto, Koji Okada, Kaoru Kurosawa, Wakaha Ogata
2000 J jnl
MDS secret-sharing scheme secure against cheaters.
IEEE Trans. Inf. Theory
Koji Okada, Kaoru Kurosawa
1998 J jnl
New Combinatorial Bounds for Authentication Codes and Key Predistribution Schemes.
Des. Codes Cryptogr.
Kaoru Kurosawa, Koji Okada, Hajime Saido, Douglas R. Stinson
1996 J jnl
Combinatorial Lower Bounds for Secret Sharing Schemes.
Inf. Process. Lett.
Kaoru Kurosawa, Koji Okada
1995 J jnl
Low Exponent Attack Against Elliptic Curve RSA.
Inf. Process. Lett.
Kaoru Kurosawa, Koji Okada, Shigeo Tsujii
1994 A conf
Combinatorial Interpretation of Secret Sharing Schemes.
ASIACRYPT
Kaoru Kurosawa, Koji Okada
1994 A conf
Low Exponent Attack against Elliptic Curve RSA.
ASIACRYPT
Kaoru Kurosawa, Koji Okada, Shigeo Tsujii
1994 A conf
Lower Bound on the Size of Shares of Nonperfect Secret Sharing Schemes.
ASIACRYPT
Koji Okada, Kaoru Kurosawa
1994 A conf
Security of the Center in Key Distribution Schemes.
ASIACRYPT
Kaoru Kurosawa, Koji Okada, Keiichi Sakano
1993 A* conf
Nonperfect Secret Sharing Schemes and Matroids.
EUROCRYPT
Kaoru Kurosawa, Koji Okada, Keiichi Sakano, Wakaha Ogata, Shigeo Tsujii
1987 A* conf
Parameterized Programming in OBJ2.
ICSE
Kokichi Futatsugi, Joseph A. Goguen, José Meseguer, Koji Okada
1982 A* conf
A Hierarchical Structuring Method for Functional Software Systems.
ICSE
Kokichi Futatsugi, Koji Okada
1980 — conf
Specification Writing as Construction of Hierarchically Structured Clusters of Operators.
IFIP Congress
Kokichi Futatsugi, Koji Okada