Masayuki Fukumitsu

46 papers B 4C 7Misc 4Journal 15Unranked 15
YearRankTypeTitle / Venue / Authors
2026 J jnl
Lyubashevsky's Signature Has Multi-User Security under Adaptive Corruptions and Key Leakages.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Fukumitsu, Shingo Hasegawa
2025 J jnl
Efficient Group Signatures with Designated Traceability over Openers' Attributes from Lattices.
Int. J. Netw. Comput.
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2025 J jnl
Tightly Secure Aggregate Signature with Pre-Communication.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Fukumitsu, Shingo Hasegawa
2024 — conf
Group Signatures with Designated Traceability over Openers' Attributes from Lattices.
CANDAR
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2024 C conf
Group Signatures with Designated Traceability over Openers' Attributes from Symmetric-Key Primitives.
PST
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2024 — conf
On Multi-User Security of Lattice-Based Signature Under Adaptive Corruptions and Key Leakages.
ProvSec (2)
Masayuki Fukumitsu, Shingo Hasegawa
2024 J jnl
On Multi-user Security of Lattice-based Signature under Adaptive Corruptions and Key Leakages.
IACR Cryptol. ePrint Arch.
Masayuki Fukumitsu, Shingo Hasegawa
2024 Misc conf
Tightly Secure Lattice-Based Synchronized Aggregate Signature in Standard Model.
ICISC
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2023 — conf
Accountable Ring Signatures from Symmetric-Key Primitives.
candar
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2023 J jnl
Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing.
Int. J. Netw. Comput.
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2023 — conf
Emergency Button: Evacuation of Crypto Asset When Key Loss.
CANDARW
Natsume Matsuzaki, Masayuki Fukumitsu, Yoshihiro Kita
2023 J jnl
On Multi-user Security of Schnorr Signature in Algebraic Group Model.
Int. J. Netw. Comput.
Masayuki Fukumitsu, Shingo Hasegawa
2023 — ed.
Proceedings of the 10th ACM Asia Public-Key Cryptography Workshop, APKC 2023, Melbourne, VIC, Australia, July 10-14, 2023
APKC@AsiaCCS
Masayuki Fukumitsu, Shingo Hasegawa
2022 — conf
Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing.
CANDAR
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2022 Misc conf
Group Signatures with Designated Traceability over Openers' Attributes in Bilinear Groups.
WISA
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2022 J jnl
Group Signatures with Designated Traceability over Openers' Attributes.
IACR Cryptol. ePrint Arch.
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2022 J jnl
Group Signatures with Designated Traceability over Openers' Attributes.
Int. J. Netw. Comput.
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2022 — conf
Group Signatures with Equality Test on Signers.
CANDARW
Kyoya Anzai, Masayuki Fukumitsu, Hiroaki Anada, Shingo Hasegawa
2022 — conf
On Multi-user Security of Schnorr Signature in Algebraic Group Model.
CANDARW
Masayuki Fukumitsu, Shingo Hasegawa
2021 J jnl
A Lattice-based Provably Secure Multisignature Scheme in Quantum Random Oracle Model.
IACR Cryptol. ePrint Arch.
Masayuki Fukumitsu, Shingo Hasegawa
2021 J jnl
A Tightly Secure DDH-based Multisignature with Public-Key Aggregation.
Int. J. Netw. Comput.
Masayuki Fukumitsu, Shingo Hasegawa
2021 — conf
An Aggregate Signature with Pre-communication in the Plain Public Key Model.
STM
Masayuki Fukumitsu, Shingo Hasegawa
2021 — conf
Group Signatures with Designated Traceability.
CANDAR
Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
2021 J jnl
Impossibility on the Schnorr Signature from the One-More DL Assumption in the Non-Programmable Random Oracle Model.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Fukumitsu, Shingo Hasegawa
2021 J jnl
Tighter Reduction for Lattice-Based Multisignature.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Fukumitsu, Shingo Hasegawa
2020 C conf
A Lattice-Based Provably Secure Multisignature Scheme in Quantum Random Oracle Model.
ProvSec
Masayuki Fukumitsu, Shingo Hasegawa
2020 — conf
A Tightly Secure DDH-based Multisignature with Public-Key Aggregation.
CANDAR (Workshops)
Masayuki Fukumitsu, Shingo Hasegawa
2020 J jnl
Impossibility on the Schnorr Signature from the One-more DL Assumption in the Non-programmable Random Oracle Model.
IACR Cryptol. ePrint Arch.
Masayuki Fukumitsu, Shingo Hasegawa
2020 — conf
Linear Lossy Identification Scheme derives Tightly-Secure Multisignature.
AsiaJCIS
Masayuki Fukumitsu, Shingo Hasegawa
2020 B conf
One-More Assumptions Do Not Help Fiat-Shamir-type Signature Schemes in NPROM.
CT-RSA
Masayuki Fukumitsu, Shingo Hasegawa
2019 — conf
A Tightly-Secure Lattice-Based Multisignature.
APKC@AsiaCCS
Masayuki Fukumitsu, Shingo Hasegawa
2018 — conf
A Galindo-Garcia-Like Identity-Based Signature with Tight Security Reduction, Revisited.
CANDAR
Masayuki Fukumitsu, Shingo Hasegawa
2018 C conf
A Generic Construction of an Identity-based Signature from a Sigma Protocol.
ISITA
Masayuki Fukumitsu, Shingo Hasegawa
2018 J jnl
Black-Box Separations on Fiat-Shamir-Type Signatures in the Non-Programmable Random Oracle Model.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Fukumitsu, Shingo Hasegawa
2017 — conf
A Galindo-Garcia-Like Identity-Based Signature with Tight Security Reduction.
CANDAR
Masayuki Fukumitsu, Shingo Hasegawa
2017 — conf
A Method for Constructing an Autonomous Decentralized P2P Storage with High Confidentiality and Reliability.
CANDAR
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Jun-ya Iwazaki, Eisuke Koizumi, Masao Sakai
2017 B conf
A Proposal of a Secure P2P-Type Storage Scheme by Using the Secret Sharing and the Blockchain.
AINA
Masayuki Fukumitsu, Shingo Hasegawa, Jun-ya Iwazaki, Masao Sakai, Daiki Takahashi
2017 C conf
Impossibility of the Provable Security of the Schnorr Signature from the One-More DL Assumption in the Non-programmable Random Oracle Model.
ProvSec
Masayuki Fukumitsu, Shingo Hasegawa
2016 B conf
A Proposal of a Password Manager Satisfying Security and Usability by Using the Secret Sharing and a Personal Server.
AINA
Masayuki Fukumitsu, Shingo Hasegawa, Jun-ya Iwazaki, Masao Sakai, Daiki Takahashi
2016 C conf
A generic construction of tight security signatures in the non-programmable random oracle model.
ISITA
Masayuki Fukumitsu, Shingo Hasegawa
2016 C conf
Impossibility on the Provable Security of the Fiat-Shamir-Type Signatures in the Non-programmable Random Oracle Model.
ISC
Masayuki Fukumitsu, Shingo Hasegawa
2015 C conf
Black-Box Separations on Fiat-Shamir-Type Signatures in the Non-Programmable Random Oracle Model.
ISC
Masayuki Fukumitsu, Shingo Hasegawa
2014 Misc conf
On the Impossibility of Proving Security of Strong-RSA Signatures via the RSA Assumption.
ACISP
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya
2014 J jnl
The RSA Group Is Adaptive Pseudo-Free under the RSA Assumption.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Hiroki Shizuya
2013 Misc conf
Toward Separating the Strong Adaptive Pseudo-freeness from the Strong RSA Assumption.
ACISP
Masayuki Fukumitsu, Shingo Hasegawa, Shuji Isobe, Eisuke Koizumi, Hiroki Shizuya
2010 B conf
A Proposal of an Associating Image-Based Password Creating Method and a Development of a Password Creating Support System.
AINA
Masayuki Fukumitsu, Takashi Katoh, Bhed Bahadur Bista, Toyoo Takata