Sakai Yusuke 坂井祐介

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Yusuke Sakai 坂井祐介

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Researcher Number	40750659
Other IDs
Affiliation (Current)	2025: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 主任研究員
Affiliation (based on the past Project Information) *help	2022 – 2023: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 主任研究員 2018 – 2022: 国立研究開発法人産業技術総合研究所, 情報・人間工学領域, 研究員
Review Section/Research Field	Principal Investigator Basic Section 60070:Information security-related Except Principal Investigator Medium-sized Section 60:Information science, computer engineering, and related fields
Keywords	Principal Investigator 暗号理論 / 匿名通信 / SNARK / 匿名認証 / タイト安全性 / 多重署名 / 集約署名 / 安全性概念 / 属性ベース署名 / グループ署名 / ゼロ知識証明 … More Except Principal Investigator … More プライバシ保護技術 / 高機能暗号 / 情報セキュリティ / 暗号理論 Less

Agilecrypt Frameworks for Advanced Cryptographic Primitive Constructions, Compositions, and Conversions
- Principal Investigator
  
  Attrapadung Nuttapong
- Project Period (FY)
  2019 – 2023
- Research Category
  
  Grant-in-Aid for Scientific Research (A)
- Review Section
  
  Medium-sized Section 60:Information science, computer engineering, and related fields
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Anonymously Authenticated Anonymous Routing for Privacy Protection in NetworksPrincipal Investigator
- Principal Investigator
  
  Yusuke Sakai
- Project Period (FY)
  2018 – 2023
- Research Category
  
  Grant-in-Aid for Early-Career Scientists
- Review Section
  
  Basic Section 60070:Information security-related
- Research Institution
  National Institute of Advanced Industrial Science and Technology

All 2024 2023 2022 2021 2020 2019 2018

All Journal Article Presentation

[Journal Article] More Efficient Two-Round Multi-Signature Scheme with Provably Secure Parameters for Standardized Elliptic Curves2024
- Author(s)
  Kaoru Takemure, Yusuke Sakai, Bagus Santoso, Goichiro Hanaoka, Kazuo Ohta
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E107.A Issue: 7 Pages: 966-988
- DOI
  10.1587/transfun.2023EAP1045
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2024-07-01
- Language
  English
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K11292, KAKENHI-PROJECT-18K18055, KAKENHI-PROJECT-22KJ1366, KAKENHI-PROJECT-19H01109, KAKENHI-PROJECT-23H00479
[Journal Article] Privacy-Preserving Verifiable CNNs2024
- Author(s)
  Attrapadung Nuttapong、Hanaoaka Goichiro、Hiromasa Ryo、Koseki Yoshihiro、Matsuda Takahiro、Nishida Yutaro、Sakai Yusuke、Schuldt Jacob C. N.、Yasuda Satoshi
- Journal Title
  
  Proceedings of ACNS 2024, LNCS
  
  Volume: - Pages: 373-402
- DOI
  10.1007/978-3-031-54773-7_15
- ISBN
  9783031547720, 9783031547737
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] Signature for Objects: Formalizing How to Authenticate Physical Data and More2023
- Author(s)
  Ryuya Hayashi, Taiki Asano, Junichiro Hayata, Takahiro Matsuda, Shota Yamada, Shuichi Katsumata, Yusuke Sakai, Tadanori Teruya, Jacob C. N. Schuldt, Nuttapong Attrapadung, Goichiro Hanaoka, Kanta Matsuura, and Tsutomu Matsumoto
- Journal Title
  
  Financial Cryptography and Data Security 2023（FC 2023）
  
  Volume: PartⅠ Pages: 182-199
- DOI
  10.1007/978-3-031-47754-6_11
- ISBN
  9783031477539, 9783031477546
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23KJ0548, KAKENHI-PROJECT-19H01109
[Journal Article] Practical Round-Optimal Blind Signatures in the ROM from Standard Assumptions2023
- Author(s)
  Katsumata Shuichi、Reichle Michael、Sakai Yusuke
- Journal Title
  
  Advances in Cryptology - ASIACRYPT 2023
  
  Volume: - Pages: 383-417
- DOI
  10.1007/978-981-99-8724-5_12
- ISBN
  9789819987238, 9789819987245
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] Succinct Attribute-Based Signatures for Bounded-Size Circuits by Combining Algebraic and Arithmetic Proofs2022
- Author(s)
  Sakai Yusuke
- Journal Title
  
  Security and Cryptography for Networks, 13th International Conference, SCN 2022, Amalfi (SA), Italy, September 12-14, 2022, Proceedings
  
  Volume: 13409 Pages: 711-734
- DOI
  10.1007/978-3-031-14791-3_31
- ISBN
  9783031147906, 9783031147913
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18055, KAKENHI-PROJECT-19H01109
[Journal Article] Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers2021
- Author(s)
  K. Takemure, Y. Sakai, B. Santoso, G. Hanaoka, K. Ohta
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 9 Pages: 1188-1205
- DOI
  10.1587/transfun.2020DMP0023
- NAID
  130008081795
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-09-01
- Language
  English
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18H03238, KAKENHI-PROJECT-18H05289, KAKENHI-PROJECT-19H01109, KAKENHI-PROJECT-18K11292, KAKENHI-PROJECT-18K11293
[Journal Article] Equivalence between Non-Malleability against Replayable CCA and Other RCCA-Security Notions2021
- Author(s)
  HAYATA Junichiro、KITAGAWA Fuyuki、SAKAI Yusuke、HANAOKA Goichiro、MATSUURA Kanta
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E104.A Issue: 1 Pages: 89-103
- DOI
  10.1587/transfun.2020CIP0015
- NAID
  130007964796
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2021-01-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17KT0081, KAKENHI-PROJECT-18K18055
[Journal Article] Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers2021
- Author(s)
  Kaoru Takemure, Yusuke Sakai, Bagus Santoso, Goichiro Hanaoka, Kazuo Ohta
- Journal Title
  
  IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  
  Volume: -
- NAID
  130008081795
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18055
[Journal Article] Aggregate Signature with Traceability of Devices Dynamically Generating Invalid Signatures2021
- Author(s)
  Ryu Ishii, Kyosuke Yamashita, Yusuke Sakai, Takahiro Matsuda, Tadanori Teruya, Goichiro Hanaoka, Kanta Matsuura, Tsutomu Matsumoto
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 12809 Pages: 378-396
- DOI
  10.1007/978-3-030-81645-2_22
- ISBN
  9783030816445, 9783030816452
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17KT0081, KAKENHI-PROJECT-18K18055
[Journal Article] Generic Construction of Adaptively Secure Anonymous Key-Policy Attribute-Based Encryption from Public-Key Searchable Encryption2020
- Author(s)
  Junichiro Hayata, Masahito Ishizaka, Yusuke Sakai, Goichiro Hanaoka, Kanta Matsuura
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E103.A Issue: 1 Pages: 107-113
- DOI
  10.1587/transfun.2019CIP0014
- NAID
  130007778799
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2020-01-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17KT0081, KAKENHI-PROJECT-18K18055
[Journal Article] Practical Public-Key Encryption Scheme Tightly Secure in the Random Oracle Model2020
- Author(s)
  Yusuke Sakai, Goichiro Hanaoka
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E103.A Issue: 1 Pages: 165-172
- DOI
  10.1587/transfun.2019CIP0020
- NAID
  130007778796
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2020-01-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18055
[Journal Article] Semantic Definition of Anonymity in Identity-Based Encryption and Its Relation to Indistinguishability-Based Definition2020
- Author(s)
  Hanaoka Goichiro、Komatsu Misaki、Ohara Kazuma、Sakai Yusuke、Yamada Shota
- Journal Title
  
  ESORICS (2) 2020 (Lecture Notes in Computer Science)
  
  Volume: 12309 Pages: 65-85
- DOI
  10.1007/978-3-030-59013-0_4
- ISBN
  9783030590123, 9783030590130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers2020
- Author(s)
  Kaoru Takemure、Yusuke Sakai、Bagus Santoso 、Goichiro Hanaoka 、Kazuo Ohta
- Journal Title
  
  ProvSec 2020
  
  Volume: LNCS 12505 Pages: 65-84
- DOI
  10.1007/978-3-030-62576-4_4
- NAID
  130008081795
- ISBN
  9783030625757, 9783030625764
- Peer Reviewed / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K11292, KAKENHI-PROJECT-18K11293, KAKENHI-PROJECT-18H05289, KAKENHI-PROJECT-19H01109
[Journal Article] Group Signatures with Message-Dependent Opening: Formal Definitions and Constructions2019
- Author(s)
  Keita Emura, Goichiro Hanaoka, Yutaka Kawai, Takahiro Matsuda, Kazuma Ohara, Kazumasa Omote, Yusuke Sakai
- Journal Title
  
  Security and Communication Networks
  
  Volume: 2019 Pages: 1-36
- DOI
  10.1155/2019/4872403
- NAID
  120007133059
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-18K18055, KAKENHI-PROJECT-19H04107
[Journal Article] Field Extension in Secret-Shared Form and Its Applications to Efficient Secure Computation2019
- Author(s)
  Kikuchi Ryo、Attrapadung Nuttapong、Hamada Koki、Ikarashi Dai、Ishida Ai、Matsuda Takahiro、Sakai Yusuke、Schuldt Jacob C. N.
- Journal Title
  
  ACISP 2019 (Lecture Notes in Computer Science)
  
  Volume: 11547 Pages: 343-361
- DOI
  10.1007/978-3-030-21548-4_19
- ISBN
  9783030215477, 9783030215484
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] Shortening the Libert-Peters-Yung Revocable Group Signature Scheme by Using the Random Oracle Methodology2019
- Author(s)
  K. Ohara, K. Emura, G. Hanaoka, A. Ishida, K. Ohta, and Y. Sakai
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E102.A Issue: 9 Pages: 1101-1117
- DOI
  10.1587/transfun.E102.A.1101
- NAID
  130007699571
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2019-09-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K11293, KAKENHI-PROJECT-18K18055, KAKENHI-PROJECT-18H05289, KAKENHI-PROJECT-18H03238
[Presentation] Succinct Attribute-Based Signatures for Bounded-Size Circuits by Combining Algebraic and Arithmetic Proofs2022
- Author(s)
  Sakai Yusuke
- Organizer
  SCN 2022
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18055
[Presentation] Aggregate Signature with Traceability of Devices Dynamically Generating Invalid Signatures2021
- Author(s)
  Ishii Ryu、Yamashita Kyosuke、Sakai Yusuke、Matsuda Takahiro、Teruya Tadanori、Hanaoka Goichiro、Matsuura Kanta、Matsumoto Tsutomu
- Organizer
  ACNS Workshop SCI
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18055
[Presentation] Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers2020
- Author(s)
  Kaoru Takemure, Yusuke Sakai, Bagus Santoso, Goichiro Hanaoka, Kazuo Ohta
- Organizer
  ProvSec 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18055
[Presentation] Semantic Definition of Anonymity in Identity-Based Encryption and Its Relation to Indistinguishability-Based Definition2020
- Author(s)
  Goichiro Hanaoka, Misaki Komatsu, Kazuma Ohara, Yusuke Sakai, Shota Yamada
- Organizer
  ESORICS 2020
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18055
[Presentation] Attribute-Based Signatures for Unbounded Languages from Standard Assumptions2018
- Author(s)
  Yusuke Sakai, Shuichi Katsumata, Nuttapong Attrapadung, Goichiro Hanaoka
- Organizer
  24th International Conference on the Theory and Application of Cryptology and Information Security (ASIACRYPT 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18055
[Presentation] Fully Anonymous Group Signature with Verifier-Local Revocation2018
- Author(s)
  Ai Ishida, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  11th Conference on Security and Cryptography for Networks (SCN 2018)
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-18K18055

1. Attrapadung Nuttapong (40515300)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
2. 縫田光司 (20435762)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
3. 照屋唯紀 (20636972)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
4. 花岡悟一郎 (30415731)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
5. 松田隆宏 (60709492)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
6. 山田翔太 (70750834)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. 村上隆夫 (80587981)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
8. Schuldt Jacob (80750893)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
9. 松浦幹太

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
10. 太田和夫

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
11. SANTOSO BAGUS

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Sakai Yusuke 坂井 祐介

Yusuke Sakai 坂井 祐介

Research Projects

Research Products

Co-Researchers

Agilecrypt Frameworks for Advanced Cryptographic Primitive Constructions, Compositions, and Conversions

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

Anonymously Authenticated Anonymous Routing for Privacy Protection in NetworksPrincipal Investigator

Principal Investigator

Project Period (FY)

Research Category

Review Section

Research Institution

[Journal Article] More Efficient Two-Round Multi-Signature Scheme with Provably Secure Parameters for Standardized Elliptic Curves2024

Author(s)

Journal Title

DOI

ISSN

Year and Date

Language

Data Source

[Journal Article] Privacy-Preserving Verifiable CNNs2024

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] Signature for Objects: Formalizing How to Authenticate Physical Data and More2023

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] Practical Round-Optimal Blind Signatures in the ROM from Standard Assumptions2023

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] Succinct Attribute-Based Signatures for Bounded-Size Circuits by Combining Algebraic and Arithmetic Proofs2022

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers2021

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] Equivalence between Non-Malleability against Replayable CCA and Other RCCA-Security Notions2021

Author(s)

Journal Title

DOI

NAID

ISSN

Year and Date

Language

Data Source

[Journal Article] Achieving Pairing-Free Aggregate Signatures using Pre-Communication between Signers2021

Author(s)

Journal Title

NAID

Data Source

[Journal Article] Aggregate Signature with Traceability of Devices Dynamically Generating Invalid Signatures2021

Author(s)

Journal Title

DOI

ISBN

Data Source

[Journal Article] Generic Construction of Adaptively Secure Anonymous Key-Policy Attribute-Based Encryption from Public-Key Searchable Encryption2020

Author(s)

Sakai Yusuke 坂井祐介

Yusuke Sakai 坂井祐介