Degree
2003 Mar. Received B. S. in Engineering from Tohoku University
2005 Mar. Received M. S. in Information Science from Tohoku University
2009 Mar. Received Ph. D in Information Science from Tohoku University
Joined Tohoku University in 2009 Apr.
2009 Apr. - 2009 Sep. as Researcher at CITE(Center for Information Technology in Education)
2009 Oct. - 2019 Sep. as Assistant Professor at CITE
2019 Oct. - 2024 Mar. as Assistant Professor at CDS(Center for Data-driven Science and Artificial Intelligence)
Joined Fukushima University in 2024 Apr.
2024 Apr. - Now as Associate Professor as Faculty of Symbiotic Systems Science
Cryptology
Public Key Encryption
Digital Signature
Provable Security
2025
Masayuki Fukumitsu, Shingo Hasegawa
Lyubashevsky's Signature Has Multi-User Security under Adaptive Corruptions and Key Leakages
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Special Section on Cryptography and Information Security,
Advance online publication, 2025.
DOI: https://doi.org/10.1587/transfun.2025CIP0004
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Efficient Group Signatures with Designated Traceability over Openers’ Attributes from Lattices
International Journal of Networking and Computing, 15(2), 153-181, 2025.
DOI: https://doi.org/10.15803/ijnc.15.2_153
Masayuki Fukumitsu, Shingo Hasegawa
Tightly Secure Aggregate Signature with Pre-Communication
IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Special Section on Discrete Mathematics and Its Applications,
E108-A(9), 1164 - 1174, 2025.
DOI: https://doi.org/10.1587/transfun.2024DMP0005
2024
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Tightly Secure Lattice-based Synchronized Aggregate Signature in Standard Model
Information Security and Cryptology – ICISC 2024. ICISC 2024. LNCS 15596, 56 - 70, 2025.
DOI: https://doi.org/10.1007/978-981-96-5566-3_4
Masayuki Fukumitsu, Shingo Hasegawa
On Multi-user Security of Lattice-based Signature under Adaptive Corruptions and Key Leakages
Provable and Practical Security. ProvSec 2024. LNCS 14904, 236-245, 2025.
DOI: https://doi.org/10.1007/978-981-96-0957-4_13
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Group Signatures with Designated Traceability over Openers' Attributes from Lattices
Proceedings of 2024 Twelfth International Symposium on Computing and Networking (CANDAR'24), 1-10, 2024.
DOI: https://doi.ieeecomputersociety.org/10.1109/CANDAR64496.2024.00009
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
Group Signatures with Designated Traceability over Openers' Attributes from Symmetric-Key Primitives
2024 21st Annual International Conference on Privacy, Security and Trust (PST2024), 1-9, 2024.
DOI: https://doi.ieeecomputersociety.org/10.1109/PST62714.2024.10788071
Tohoku University
Information Science Basics A (2010 - 2023)
Foundation Seminar (2012, 2014 - 2016, 2021)
Fukushima University
Information Security (2024 -)
IEICE (Institute of Electronics, Information and Communication Engineers)
IACR (International Cryptologic Research for Association)
The 10th ACM Asia Public-Key Cryptography Workshop (APKC 2023) Program Co-Chair
IEICE Technical Committee on Information Security (2018 - 2024)
IEICE TRANSACTIONS on Information and Systems, Associate Editor (2015 - 2019)
IEICE TRANSACTIONS on Information and Systems, Special Section on Foundations of Computer Science, Guest Associate Editor (2016 - 2018)
IEICE TRANSACTIONS on Information and Systems, Special Section on Multiple-Valued Logic and VLSI Computing, Guest Editor (2016 - 2017)
The Fifth International Symposium on Computing and Networking (CANDAR'17) Outstanding Paper Award.
The Eighth International Symposium on Computing and Networking (CANDAR'20) Outstanding Paper Award.
The Tenth International Symposium on Computing and Networking (CANDAR'22) Outstanding Paper Award.
The Twelfth International Symposium on Computing and Networking (CANDAR 2024) Outstanding Paper Award.
Tohoku University PRESIDENTIAL PRIZE for EDUCATIONAL EXCELLENCE 2021 (A member of The Online Education Working Group under the Covid-19 pandemic).
Tohoku University PRIZE of Contribution for Liberal Education 2021 (A member of The Online Education Working Group under the Covid-19 pandemic).