fukumitsu Masayuki 福光正幸

… Alternative Names

Fukumitsu Masayuki 福光正幸

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Researcher Number	10736119
Other IDs	https://orcid.org/0000-0001-7471-4477
Affiliation (Current)	2025: 長崎県立大学, 情報システム学部, 准教授
Affiliation (based on the past Project Information) *help	2022 – 2023: 長崎県立大学, 情報システム学部, 准教授 2019 – 2021: 北海道情報大学, 情報メディア学部, 准教授
Review Section/Research Field	Principal Investigator Basic Section 60070:Information security-related Except Principal Investigator Basic Section 60070:Information security-related
Keywords	Principal Investigator 格子 / ディジタル署名 / 匿名性 / 署名サイズ効率 / AIデータ / 共通鍵 / グループ署名 / リング署名 / 同期型集約署名 / 情報セキュリティ … More / プログラミング性 / ランダムオラクルモデル / Fiat-Shamir変換 / マルチ署名 / Key Aggregation / Lossy ID / Linear ID / 緊密な安全性 / 量子ランダムオラクルモデル / 格子署名 / Fiat-Shamir型署名 / Algebraic Group Model / IDベース多重署名 / 安全性証明 / 耐量子性 / 量子ランダムオラクル / 緊密性 / 集約署名 / 多重署名 … More Except Principal Investigator 暗号技術 / 理論計算機科学 / 説明責任性 / 追跡可能性 / 匿名性 / デジタル署名 / 分散管理 / 鍵管理 / スマートコントラクト / 暗号資産の避難 / 鍵紛失対策 / ブロックチェーン / Ethereum / 資産退避 / 非常ボタン / 鍵紛失 / 暗号資産 Less

A Development of Cryptograchi Schemes for data Given to AIPrincipal Investigator
- Principal Investigator
  
  福光正幸
- Project Period (FY)
  2023 – 2026
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  University of Nagasaki
Development of Cryptographic Technologies That Compatibly Establish Anonymity and Traceability
- Principal Investigator
  
  穴田啓晃
- Project Period (FY)
  2023 – 2025
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  Aomori University
Research on key management methods for distributed systems suitable for blockchain
- Principal Investigator
  
  Matsuzaki Natsume
- Project Period (FY)
  2020 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  University of Nagasaki
A Development of Signature Schemes Optimized to Blockchains and IoT DevicesPrincipal Investigator
- Principal Investigator
  
  Fukumitsu Masayuki
- Project Period (FY)
  2019 – 2022
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  University of Nagasaki
  Hokkaido Information University

All 2024 2023 2022 2021 2020 2019

All Journal Article Presentation

[Journal Article] Group Signatures with?Designated Traceability over?Openers’ Attributes in?Bilinear Groups2023
- Author(s)
  Anada Hiroaki、Fukumitsu Masayuki、Hasegawa Shingo
- Journal Title
  
  International Conference on Information Security Applications
  
  Volume: 13720 Pages: 29-43
- DOI
  10.1007/978-3-031-25659-2_3
- ISBN
  9783031256585, 9783031256592
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19K20272
[Journal Article] Group Signatures with Designated Traceability over Openers’ Attributes2022
- Author(s)
  Anada Hiroaki、Fukumitsu Masayuki、Hasegawa Shingo
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 12 Issue: 2 Pages: 493-508
- DOI
  10.15803/ijnc.12.2_493
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22K12023, KAKENHI-PROJECT-19K20272
[Journal Article] Tighter Reduction for Lattice-Based Multisignature2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 12 Pages: 1685-1697
- DOI
  10.1587/transfun.2020EAP1131
- NAID
  130008123135
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-12-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] Linear and Lossy Identification Schemes Derive Tightly Secure Multisignatures2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  Journal of Internet Technology
  
  Volume: 22 Issue: 5 Pages: 1159-1170
- DOI
  10.53106/160792642021092205018
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] Impossibility on the Schnorr Signature from the One-More DL Assumption in the Non-Programmable Random Oracle Model2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 9 Pages: 1163-1174
- DOI
  10.1587/transfun.2020DMP0008
- NAID
  130008081869
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-09-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] A Tightly Secure DDH-based Multisignature with Public-Key Aggregation2021
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Journal Title
  
  International Journal of Networking and Computing
  
  Volume: 11 Issue: 2 Pages: 319-337
- DOI
  10.15803/ijnc.11.2_319
- NAID
  130008063323
- ISSN
  2185-2839, 2185-2847
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11288, KAKENHI-PROJECT-19K20272
[Journal Article] One-More Assumptions Do Not Help Fiat-Shamir-type Signature Schemes in NPROM2020
- Author(s)
  Fukumitsu Masayuki、Hasegawa Shingo
- Journal Title
  
  CT-RSA 2020, The Cryptographers’ Track at the RSA Conference 2020
  
  Volume: 12006 Pages: 586-609
- DOI
  10.1007/978-3-030-40186-3_25
- ISBN
  9783030401856, 9783030401863
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] 開封者の属性上で指定された追跡可能性を有するグループ署名の対称鍵要素からの構成2024
- Author(s)
  穴田啓晃，福光正幸，長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-23K11106
[Presentation] Key LeakageとCorruptionへの耐性を考慮したMulti-User Settingにおいて緊密な安全性を持つ耐量子計算機署名2024
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム (SCIS2024)
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] 標準モデル上で安全な格子ベースSynchronized Aggregate Signatureについて2024
- Author(s)
  穴田啓晃，福光正幸，長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-23K11106
[Presentation] 開封者の属性上で指定された追跡可能性を有するグループ署名の対称鍵要素からの構成2024
- Author(s)
  穴田啓晃, 福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム (SCIS2024)
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] 標準モデル上で安全な格子ベースSynchronized Aggregate Signatureについて2024
- Author(s)
  穴田啓晃, 福光正幸, 長谷川真吾
- Organizer
  2024年暗号と情報セキュリティシンポジウム (SCIS2024)
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] 鍵紛失時における非常ボタン式資金退避手法の再実装2023
- Author(s)
  松崎なつめ，喜多義弘，福光正幸
- Organizer
  暗号と情報セキュリティシンポジウム（SCIS 2023）
- Data Source
  KAKENHI-PROJECT-20K11815
[Presentation] Emergency Button: Evacuation of Crypto Asset When Key Loss2023
- Author(s)
  Natsume Matsuzaki, Masayuki Fukumitsu, Yoshihiro Kita
- Organizer
  2023 Eleventh International Symposium on Computing and Networking Workshops (CANDARW)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-20K11815
[Presentation] Accountable Ring Signatures from Symmetric-Key Primitives2023
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  The 11th International Symposium on Computing and Networking (CANDAR'23)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K11105
[Presentation] Accountable Ring Signatures from Symmetric-Key Primitives2023
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  Eleventh International Symposium on Computing and Networking, CANDAR 2023
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23K11106
[Presentation] Algebraic Group Model上でのSchnorr署名のMulti-User Securityに関する一考察2022
- Author(s)
  福光正幸，長谷川真吾
- Organizer
  SCIS2022: 2022年暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Quantum Random Oracle Model上でのSequential OR SignatureのMulti-user Security2022
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  2023年暗号と情報セキュリティシンポジウム (SCIS2023)
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Attribute-Based Signatures of Fiat-Shamir Type in Bilinear Groups: Scheme and Performance2022
- Author(s)
  Hiroaki Anada, Kyoya Anzai, Masayuki Fukumitsu
- Organizer
  2022 International Conference on Platform Technology and Service (PlatCon)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Dynamic Group Signatures with Message Dependent Opening and Non-Interactive Signing2022
- Author(s)
  Hiroaki Anada, Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  The 10th International Symposium on Computing and Networking (CANDAR2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Lattice Trapdoorに依存しない格子を基にしたIDベースマルチ署名に向けて2022
- Author(s)
  福光正幸, 長谷川真吾
- Organizer
  コンピュータセキュリティシンポジウム2022（CSS2022）
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] On Multi-user Security of Schnorr Signature in Algebraic Group Model2022
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  9th International Workshop on Information and Communication Security (WICS2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Group Signatures with Equality Test on Signers2022
- Author(s)
  Kyoya Anzai, Masayuki Fukumitsu, Hiroaki Anada, Shingo Hasegawa
- Organizer
  9th International Workshop on Information and Communication Security (WICS2022)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Algebraic Group ModelにおけるFiat-Shamir変換2021
- Author(s)
  福光正幸，長谷川真吾
- Organizer
  CSS2021: コンピュータセキュリティシンポジウム2021
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Algebraic Model上でのLyubashevsky署名のTightnessについて2021
- Author(s)
  福光正幸，長谷川真吾
- Organizer
  SCIS2021：2021年暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] An Aggregate Signature with Pre-communication in the Plain Public Key Model2021
- Author(s)
  Masayuki Fukumitsu，Shingo Hasegawa
- Organizer
  STM2021: The 17th International Workshop on Security and Trust Management
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] A Lattice-Based Provably Secure Multisignature Scheme in Quantum Random Oracle Model2020
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  ProvSec 2020: The 14th International Conference on Provable and Practical Security
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] Linear Lossy Identification Scheme derives Tightly-Secure Multisignature2020
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  AsiaJCIS 2020: The 15th Asia Joint Conference on Information Security
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] A Tightly Secure DDH-based Multisignature with Public-Key Aggregation2020
- Author(s)
  Masayuki Fukumitsu, Shingo Hasegawa
- Organizer
  WICS 2020: 7th International Workshop on Information and Communication Security
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] 量子ランダムオラクルモデルで安全性証明可能な格子ベースのマルチ署名方式の実現に向けて2020
- Author(s)
  福光正幸
- Organizer
  2020年暗号と情報セキュリティシンポジウム
- Data Source
  KAKENHI-PROJECT-19K20272
[Presentation] A Tightly-Secure Lattice-Based Multisignature2019
- Author(s)
  Fukumitsu Masayuki
- Organizer
  APKC '19: Proceedings of the 6th on ASIA Public-Key Cryptography Workshop
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19K20272

1. 穴田啓晃 (40727202)

# of Collaborated Projects: 2 results

# of Collaborated Products: 6 results
2. 長谷川真吾 (80567214)

# of Collaborated Projects: 2 results

# of Collaborated Products: 8 results
3. Matsuzaki Natsume (10781891)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
4. 喜多義弘 (00758089)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results

fukumitsu Masayuki 福光 正幸

Fukumitsu Masayuki 福光 正幸

Research Projects

Research Products

Co-Researchers

A Development of Cryptograchi Schemes for data Given to AIPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Development of Cryptographic Technologies That Compatibly Establish Anonymity and Traceability

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Research on key management methods for distributed systems suitable for blockchain

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

A Development of Signature Schemes Optimized to Blockchains and IoT DevicesPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] Group Signatures with?Designated Traceability over?Openers’ Attributes in?Bilinear Groups2023

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] Group Signatures with Designated Traceability over Openers’ Attributes2022

Author(s)

Journal Title

DOI

ISSN

Language

Data Source

[Journal Article] Tighter Reduction for Lattice-Based Multisignature2021

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] Linear and Lossy Identification Schemes Derive Tightly Secure Multisignatures2021

Author(s)

Journal Title

DOI

Data Source

[Journal Article] Impossibility on the Schnorr Signature from the One-More DL Assumption in the Non-Programmable Random Oracle Model2021

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] A Tightly Secure DDH-based Multisignature with Public-Key Aggregation2021

Author(s)

Journal Title

DOI

NAID

ISSN

Language

Data Source

[Journal Article] One-More Assumptions Do Not Help Fiat-Shamir-type Signature Schemes in NPROM2020

Author(s)

Journal Title

DOI

ISBN

Data Source

[Presentation] 開封者の属性上で指定された追跡可能性を有するグループ署名の対称鍵要素からの構成2024

fukumitsu Masayuki 福光正幸

Fukumitsu Masayuki 福光正幸