Eisuke Koizumi

According to our database, Eisuke Koizumi authored at least 16 papers between 2008 and 2026.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2026

Decentralized Federated Learning Using Blockchain with Token Allocation Based on Contribution of Model Updates.

Koyo Murakata, Minoru Kuribayashi, Masao Sakai, Shuji Isobe, Eisuke Koizumi

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2026

2025

Ownership Verification of DNN Models Using White-Box Adversarial Attacks with Specified Probability Manipulation.

Teruki Sano, Minoru Kuribayashi, Masao Sakai, Shuji Ishobe, Eisuke Koizumi

CoRR, May, 2025

Ownership Verification of Dnn Models Using White-Box Adversarial Attacks with Specified Probability Manipulation.

Teruki Sano, Minoru Kuribayashi, Masao Sakai, Shuji Isobe, Eisuke Koizumi

Proceedings of the 33rd European Signal Processing Conference, 2025

Robust Ownership Verification of DNN Models Against JPEG Compression via Probability-Controlled Adversarial Attacks.

Teruki Sano, Minoru Kuribayashi, Masao Sakai, Shuji Isobe, Eisuke Koizumi, Zhang Zhang

Proceedings of the Asia Pacific Signal and Information Processing Association Annual Summit and Conference, 2025

2023

A construction of encryption protocols over some semidirect products.

Shuji Isobe, Eisuke Koizumi

J. Math. Cryptol., 2023

2021

On a Relation between Knowledge-of-Exponent Assumptions and the DLog vs. CDH Question.

Firas Kraiem, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021

2018

A Construction of Cramer-Shoup Like Encryption Protocols Based on the Anshel-Anshel-Goldfeld Key Exchange Protocol.

Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Atsushi Suda

Proceedings of the Sixth International Symposium on Computing and Networking, 2018

2017

Autoreducibility and Completeness for Partial Multivalued Functions.

Shuji Isobe, Eisuke Koizumi

IEICE Trans. Inf. Syst., 2017

A Method for Constructing an Autonomous Decentralized P2P Storage with High Confidentiality and Reliability.

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Masao Sakai

Proceedings of the Fifth International Symposium on Computing and Networking, 2017

2016

A construction of attribute-based aggregate signatures.

Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya, Ryo Takahashi

Proceedings of the 2016 International Symposium on Information Theory and Its Applications, 2016

2015

A Strengthened Security Notion for Password-Protected Secret Sharing Schemes.

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Hiroki Shizuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2015

2014

Password-protected secret-sharing schemes without random oracles.

Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Hiroki Shizuya

Proceedings of the International Symposium on Information Theory and its Applications, 2014

2013

On the Length-Decreasing Self-Reducibility and the Many-One-Like Reducibilities for Partial Multivalued Functions.

Ji-Won Huh, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya

IEICE Trans. Inf. Syst., 2013

Toward Separating the Strong Adaptive Pseudo-freeness from the Strong RSA Assumption.

Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya

Proceedings of the Information Security and Privacy - 18th Australasian Conference, 2013

2009

On the Complexity of Computing Discrete Logarithms over Algebraic Tori.

Shuji Isobe, Eisuke Koizumi, Yuji Nishigaki, Hiroki Shizuya

Proceedings of the Cryptology and Network Security, 8th International Conference, 2009

2008

Making Cryptographic Primitives Harder.

Shingo Hasegawa, Hiroyuki Hatanaka, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya

IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2008