Hanaoka Goichiro 花岡悟一郎

… Alternative Names

HANAOKA Goichiro 花岡悟一郎

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Researcher Number	30415731
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, 首席研究員
Affiliation (based on the past Project Information) *help	2022 – 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, 首席研究員 2018 – 2021: 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, 研究チーム長 2017 – 2018: 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, 研究グループ長 2015 – 2016: 国立研究開発法人産業技術総合研究所, 情報技術研究部門, 研究グループ長 2015: 独立行政法人産業技術総合研究所, 研究グループ長 … More 2014: 独立行政法人産業技術総合研究所, 情報技術研究部門, 研究グループ長 2012 – 2014: 独立行政法人産業技術総合研究所, セキュアシステム研究部門, 研究グループ長 2011: 独立行政法人産業技術総合研究所, 情報セキュリティ研究センター, 研究チーム長 Less
Review Section/Research Field	Principal Investigator Information security / Medium-sized Section 60:Information science, computer engineering, and related fields / Communication/Network engineering Except Principal Investigator Medium-sized Section 60:Information science, computer engineering, and related fields / Information security / Life / Health / Medical informatics
Keywords	Principal Investigator 暗号 / 高機能暗号 / 視覚暗号 / 物理暗号 / security reduction / cryptographic problem / public key encryption / side-channel attack / 暗号・認証等 / 暗号・認証 … More / 公開鍵暗号基盤 / 選択暗号文攻撃 / 証明可能安全性 / ゼロ知識証明 / 公開鍵暗号 / 暗号理論 … More Except Principal Investigator 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 / 鍵隔離公開鍵暗号 / 鍵失効可能IDベース暗号 / 鍵失効機能付きグループ署名 / 署名鍵有効期限付きグループ署名 / 鍵失効機能付き属性ベース暗号 / 鍵失効機能付きIDベース暗号 / 配列検索 / データベース検索 / 暗号 / 化合物 / ゲノム / プライバシー / 準同型暗号 / 配列アラインメント / PPDM / 隠れマルコフモデル / アラインメント / 化合物検索 / プライバシー保護 Less

真に高機能暗号の社会展開に資する物理・視覚暗号Principal Investigator
- Principal Investigator
  
  花岡悟一郎
- Project Period (FY)
  2023 – 2025
- 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
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
Research on Advanced Key Update Technique for Practical Applications of Advanced Cryptosystem
- Principal Investigator
  
  Keita Emura
- Project Period (FY)
  2016 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (C)
- Research Field
  
  Information security
- Research Institution
  National Institute of Information and Communications Technology
Research on Cryptographic Primitives with Easily Verifiable SecurityPrincipal Investigator
- Principal Investigator
  
  Hanaoka Goichiro
- Project Period (FY)
  2014 – 2018
- Research Category
  
  Grant-in-Aid for Scientific Research (B)
- Research Field
  
  Information security
- Research Institution
  National Institute of Advanced Industrial Science and Technology
非理想的実装をも想定した暗号システムの設計と安全性評価Principal Investigator
- Principal Investigator
  
  花岡悟一郎
- Project Period (FY)
  2014 – 2015
- Research Category
  
  Grant-in-Aid for JSPS Fellows
- Research Field
  
  Information security
- Research Institution
  National Institute of Advanced Industrial Science and Technology
Development of basic technology for privacy-preserving bioinformatics and its application
- Principal Investigator
  
  Hamada Michiaki
- Project Period (FY)
  2013 – 2015
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Life / Health / Medical informatics
- Research Institution
  Waseda University
  The University of Tokyo
Study on Public Key Encryption with Restricted Plaintext SpacePrincipal Investigator
- Principal Investigator
  
  HANAOKA Goichiro
- Project Period (FY)
  2011 – 2013
- Research Category
  
  Grant-in-Aid for Challenging Exploratory Research
- Research Field
  
  Communication/Network engineering
- Research Institution
  National Institute of Advanced Industrial Science and Technology

All 2024 2023 2022 2021 2020 2019 2018 2017 2016 2015 2014 2013 2012 2011 Other

All Journal Article Presentation

[Journal Article] REN-A.I.: A Video Game for AI Security Education Leveraging Episodic Memory2024
- Author(s)
  Arai Mine、Tejima Koki、Yamada Yuya、Miura Takayuki、Yamashita Kyosuke、Kado Chihiro、Shimizu Rei、Tatsumi Masataka、Yanai Naoto、Hanaoka Goichiro
- Journal Title
  
  IEEE Access
  
  Volume: 12 Pages: 47359-47372
- DOI
  10.1109/access.2024.3377699
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-23H00479
[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] 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] Two-Dimensional Dynamic Fusion for Continuous Authentication2023
- Author(s)
  Attrapadung Nuttapong、Hanaoka Goichiro、Kotoi-Xie Haochen M.、Matsuda Takahiro、Moriyama Takumi、Murakami Takao、Nakamura Hidenori、Jacob Schuldt C. N.、Tokuyama Masaaki、Zhang Jing
- Journal Title
  
  Proceedings of the 2023 IEEE International Joint Conference on Biometrics (IJCB 2023)
  
  Volume: - Pages: 1-9
- DOI
  10.1109/ijcb57857.2023.10448866
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] Physical and Visual Cryptography to Accelerate Social Implementation of Advanced Cryptographic Technologies2023
- Author(s)
  花岡悟一郎, 岩本貢, 渡邉洋平, 水木敬明, 安部芳紀, 品川和雅, 新井美音, 矢内直人
- Journal Title
  
  電子電子情報通信学会論文誌A 基礎・境界
  
  Volume: J106-A Issue: 8 Pages: 214-228
- DOI
  10.14923/transfunj.2022JAI0002
- ISSN
  1881-0195
- Year and Date
  2023-08-01
- Language
  Japanese
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-22KJ1362, KAKENHI-PROJECT-21K17702, KAKENHI-PROJECT-21K11881, KAKENHI-PROJECT-23H00479, KAKENHI-PROJECT-23K21644
[Journal Article] Maliciously circuit-private multi-key FHE and MPC based on LWE2023
- Author(s)
  Attrapadung Nuttapong、Hanaoka Goichiro、Hiromasa Ryo、Matsuda Takahiro、Schuldt Jacob C. N.
- Journal Title
  
  Designs, Codes and Cryptography
  
  Volume: 91 Issue: 5 Pages: 1645-1684
- DOI
  10.1007/s10623-022-01160-x
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] Generic transformation from broadcast encryption to round-optimal deniable ring authentication2022
- Author(s)
  Hara Keisuke、Matsuda Takahiro、Hanaoka Goichiro、Tanaka Keisuke
- Journal Title
  
  Designs, Codes and Cryptography
  
  Volume: 90 Issue: 2 Pages: 277-316
- DOI
  10.1007/s10623-021-00975-4
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H01705, KAKENHI-PROJECT-19H01109, KAKENHI-PROJECT-20J14338
[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] On Private Information Retrieval Supporting Range Queries2020
- Author(s)
  Hayata Junichiro、Schuldt Jacob C. N.、Hanaoka Goichiro、Matsuura Kanta
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 12309 Pages: 674-694
- DOI
  10.1007/978-3-030-59013-0_33
- ISBN
  9783030590123, 9783030590130
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-17KT0081, KAKENHI-PROJECT-19H01109
[Journal Article] Efficient Secure Neural Network Prediction Protocol Reducing Accuracy Degradation2020
- Author(s)
  Naohisa Nishida, Tatsumi Oba, Yuji Unagami, Jason Paul Cruz, Naoto Yanai, Tadanori Teruya, Nuttapong Attrapadung, Takahiro Matsuda, Goichiro Hanaoka
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E103.A Issue: 12 Pages: 1367-1380
- DOI
  10.1587/transfun.2020TAP0011
- NAID
  130007948301
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2020-12-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-18K18049, KAKENHI-PROJECT-19H01109
[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] A Taxonomy of Secure Two-Party Comparison Protocols and Efficient Constructions2019
- Author(s)
  ATTRAPADUNG Nuttapong、HANAOKA Goichiro、KIYOMOTO Shinsaku、MIMOTO Tomoaki、C. N. SCHULDT Jacob
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E102.A Issue: 9 Pages: 1048-1060
- DOI
  10.1587/transfun.E102.A.1048
- NAID
  130007699467
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2019-09-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] MOBIUS: Model-Oblivious Binarized Neural Networks2019
- Author(s)
  Kitai Hiromasa、Hanaoka Goichiro、Cruz Jason Paul、Yanai Naoto、Nishida Naohisa、Oba Tatsumi、Unagami Yuji、Teruya Tadanori、Attrapadung Nuttapong、Matsuda Takahiro
- Journal Title
  
  IEEE Access
  
  Volume: 7 Pages: 139021-139034
- DOI
  10.1109/access.2019.2939410
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PROJECT-19H01109
[Journal Article] Generic Constructions for Fully Secure Revocable Attribute-Based Encryption2018
- Author(s)
  Kotoko Yamada, Nuttapong Attrapadung, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E101.A Issue: 9 Pages: 1456-1472
- DOI
  10.1587/transfun.E101.A.1456
- NAID
  130007479446
- ISSN
  0916-8508, 1745-1337
- Year and Date
  2018-09-01
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-16H01705, KAKENHI-PROJECT-17H01695, KAKENHI-PROJECT-16K00198
[Journal Article] Privacy-preserving search for chemical compound databases2015
- Author(s)
  Kana Shimizu, Koji Nuida, Hiromi Arai, Shigeo Mitsunari, Nuttapong Attrapadung, Michiaki Hamada, Koji Tsuda, Takatsugu Hirokawa, Jun Sakuma, Goichiro Hanaoka, Kiyoshi Asai
- Journal Title
  
  BMC Bioinformatics
  
  Volume: 16(Suppl 18):S6 Issue: S18 Pages: 1-14
- DOI
  10.1186/1471-2105-16-s18-s6
- NAID
  120007128511
- Peer Reviewed / Open Access
- Data Source
  KAKENHI-PLANNED-24106010, KAKENHI-PROJECT-25540131
[Journal Article] All-but-One Dual Projective Hashing and Its Applications2014
- Author(s)
  Zongyang Zhang, Yu Chen , Sherman S.M. Chow, Goichiro Hanaoka, Zhenfu Cao, and Yunlei Zhao
- Journal Title
  
  Lecture Notes in Computer Science Volume
  
  Volume: 8479 Pages: 181-198
- DOI
  10.1007/978-3-319-07536-5_12
- ISBN
  9783319075358, 9783319075365
- Peer Reviewed / Acknowledgement Compliant / Open Access
- Data Source
  KAKENHI-PROJECT-14F04205
[Journal Article] A Framework and Compact Constructions for Non-monotonic Attribute-Based Encryption2014
- Author(s)
  Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka, Noboru Kunihiro
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: Vol. 8383 Pages: 275-292
- DOI
  10.1007/978-3-642-54631-0_16
- ISBN
  9783642546303, 9783642546310
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23656257
[Journal Article] Key Encapsulation Mechanisms from Extractable Hash Proof Systems, Revisited2013
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: Vol. 7778 Pages: 332-351
- DOI
  10.1007/978-3-642-36362-7_21
- ISBN
  9783642363610, 9783642363627
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23656257
[Journal Article] Methods for restricting message space in public-key encryption2013
- Author(s)
  Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Yutaka Kawai, Kazumasa Omote
- Journal Title
  
  IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
  
  Volume: E96-A(1) Issue: 1 Pages: 1156-1168
- DOI
  10.1007/s10207-013-0204-y
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-12J08733, KAKENHI-PROJECT-23656257
[Journal Article] Key Encapsulation Mechanisms from Extractable Hash Proof Systems, Revisited2013
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka
- Journal Title
  
  Public Key Cryptography - PKC 2013, Lecture Notes in Computer Science
  
  Volume: 7778 Pages: 332-351
- DOI
  10.1007/978-3-642-36362-7_3
- ISBN
  9783642363610, 9783642363627
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-11J07003, KAKENHI-PROJECT-23656257
[Journal Article] On the Security of Dynamic Group Signatures: Preventing Signature Hijacking2013
- Author(s)
  Yusuke Sakai, Jacob C. N. Schuldt, Keita Emura, Goichiro Hanaoka, Kazuo Ohta
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: 7293 Pages: 715-732
- DOI
  10.1007/978-3-642-30057-8_42
- ISBN
  9783642300561, 9783642300578
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23656257
[Journal Article] Relations between Constrained and Bounded Chosen Ciphertext Security for Key Encapsulation Mechanisms2012
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka, Kanta Matsuura
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: Vol. 7293 Pages: 576-594
- DOI
  10.1007/978-3-642-30057-8_34
- ISBN
  9783642300561, 9783642300578
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23656257
[Journal Article] Verifiable Predicate Encryption and Applications to CCA Security and Anonymous Predicate Authentication2012
- Author(s)
  Shota Yamada, Nuttapong Attrapadung, Bagus Sanotoso, Goichiro Hanaoka, Jacob C.N. Schuldt, and Noboru Kunihiro
- Journal Title
  
  PKC2012
  
  Volume: 7,293 Pages: 243-261
- DOI
  10.1007/978-3-642-30057-8_15
- ISBN
  9783642300561, 9783642300578
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-11J06283, KAKENHI-PROJECT-23656257
[Journal Article] On the Impossibility of Constructing Efficient Key Encapsulation and Programmable Hash Functions in Prime Order Groups.2012
- Author(s)
  Goichiro Hanaoka, Takahiro Matsuda, Jacob C. N. Schuldt
- Journal Title
  
  Advances in Cryptology - CRYPTO 2012, Lecture Notes in Computer Science
  
  Volume: 7,417 Pages: 812-831
- DOI
  10.1007/978-3-642-32009-5_47
- ISBN
  9783642320088, 9783642320095
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-10F00506, KAKENHI-PROJECT-11J07003, KAKENHI-PROJECT-23656257
[Journal Article] Space Efficient Signature Schemes from the RSA Assumption2012
- Author(s)
  Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
- Journal Title
  
  PKC2012
  
  Volume: 7,293 Pages: 102-119
- DOI
  10.1007/978-3-642-30057-8_7
- ISBN
  9783642300561, 9783642300578
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-11J06283, KAKENHI-PROJECT-23656257
[Journal Article] Towards Restricting Plaintext Space in Public Key Encryption2011
- Author(s)
  Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Yutaka Kawai, Kazumasa Omote
- Journal Title
  
  Lecture Notes in Computer Science
  
  Volume: Vol. 7038 Pages: 193-209
- DOI
  10.1007/978-3-642-25141-2_13
- ISBN
  9783642251405, 9783642251412
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23656257
[Journal Article] How to Shorten a Ciphertext of Reproducible Key Encapsulation Mechanisms in the Random Oracle Model2011
- Author(s)
  Yusuke Sakai, Goichiro Hanaoka, Kaoru Kurosawa, Kazuo Ohta
- Journal Title
  
  IEICE Trans. Fundamentals
  
  Volume: E94-A Issue: 6 Pages: 1293-1305
- DOI
  10.1587/transfun.E94.A.1293
- NAID
  10029802310
- ISSN
  0916-8508, 1745-1337
- Language
  English
- Peer Reviewed
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] 適切な意思決定を支援する秘密計算紹介動画の作製およびユーザ調査2024
- Author(s)
  新井美音, 矢内直人, 花岡悟一郎
- Organizer
  暗号と情報セキュリティシンポジウム (SCIS) 2024
- Data Source
  KAKENHI-PROJECT-23H00479
[Presentation] 視覚復号型秘密分散暗号シートを用いた多値多入力秘密計算プロトコル2024
- Author(s)
  小泉康一, 大槻正伸, 水木敬明, 花岡悟一郎
- Organizer
  暗号と情報セキュリティシンポジウム (SCIS) 2024
- Data Source
  KAKENHI-PROJECT-23H00479
[Presentation] "Promoting Social Implementation of Advanced Cryptography Using Visible Cryptography"2023
- Author(s)
  Gochiro Hanaoka
- Organizer
  The 7th International Conference on Mobile Internet Security (MobiSec23)
- Invited / Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00479
[Presentation] 非専門家との検索可能暗号の説明資料の作成とユーザ調査2023
- Author(s)
  浅沼秀俊, 桑形愛, 長根貴之 , 山下恭佑, 矢内直人, 花岡悟一郎
- Organizer
  コンピュータセキュリティシンポジウム (CSS) 2023コンピュータセキュリティシンポジウム (CSS) 2023
- Data Source
  KAKENHI-PROJECT-23H00479
[Presentation] KOTO Crypto: Educational cryptography with the Koto2023
- Author(s)
  Mine Arai, Naoto Yanai and Goichiro Hanaoka
- Organizer
  The 18th International Workshop on Security (IWSEC 2023), Poster
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-23H00479
[Presentation] Attribute-Based Signatures for Unbounded Languages from Standard Assumptions2018
- Author(s)
  Yusuke Sakai, Shuichi Katsumata, Nuttapong Attrapadung, Goichiro Hanaoka
- Organizer
  ASIACRYPT 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] A Remark on an Identity-Based Encryption Scheme with Non-interactive Opening2018
- Author(s)
  Yusuke Sakai, Goichiro Hanaoka
- Organizer
  ISITA 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Fully Anonymous Group Signature with Verifier-Local Revocation2018
- Author(s)
  Ai Ishida, Yusuke Sakai, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  SCN 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Simulation-Based Receiver Selective Opening CCA Secure PKE from Standard Computational Assumptions2018
- Author(s)
  Keisuke Hara, Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  SCN 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Generic Construction of Adaptively Secure Anonymous Key-Policy Attribute-Based Encryption from Public-Key Searchable Encryption2018
- Author(s)
  Junrichiro Hayata, Masahito Ishizaka, Yusuke Sakai, Goichiro Hanaoka, Kanta Matsuura
- Organizer
  ISITA 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] A Consideration on the Transformation from Deniable Group Signature to Disavowable PKENO2018
- Author(s)
  Ai Ishida, Yusuke Sakai, Goichiro Hanaoka
- Organizer
  ISITA 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Memory Lower Bounds of Reductions Revisited2018
- Author(s)
  Yuyu Wang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  EUROCRYPT 2018
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Key Management for Versatile Pay-TV Services2017
- Author(s)
  Kazuto Ogawa, Sakurako Tamura, Goichiro Hanaoka
- Organizer
  Security and Trust Management - 13th International Workshop, STM 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Generic Constructions for Fully Secure Revocable Attribute-Based Encryption2017
- Author(s)
  Kotoko Yamada, Nuttapong Attrapadung, Keita Emura, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  ESORICS 2017
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-16K00198
[Presentation] 適応的安全な無効化可能属性ベース暗号の一般的構成2017
- Author(s)
  山田古都子, アッタラパドゥン・ナッタポン, 江村恵太, 花岡悟一郎, 田中圭介
- Organizer
  暗号と情報セキュリティシンポジウム2017
- Place of Presentation
  ロワジールホテル那覇, 沖縄県, 那覇市
- Year and Date
  2017-01-24
- Data Source
  KAKENHI-PROJECT-16K00198
[Presentation] A Public-Key Encryption Scheme Based on Non-linear Indeterminate Equations2017
- Author(s)
  Koichiro Akiyama, Yasuhiro Goto, Shinya Okumura, Tsuyoshi Takagi, Koji Nuida, Goichiro Hanaoka
- Organizer
  Selected Areas in Cryptography - SAC 2017 - 24th International Conference
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] How to Obtain Fully Structure-Preserving (Automorphic) Signatures from Structure-Preserving Ones2016
- Author(s)
  Yuyu Wang, Zongyang Zhang, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  ASIACRYPT 2016
- Place of Presentation
  Hanoi, Vietnam
- Year and Date
  2016-12-04
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] On the Key Dependent Message Security of the Fujisaki-Okamoto Constructions2016
- Author(s)
  Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  PKC 2016
- Place of Presentation
  Taipei, Taiwan
- Year and Date
  2016-03-06
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Size-Hiding Computation for Multiple Parties2016
- Author(s)
  Kazumasa Shinagawa, Koji Nuida, Takashi Nishide, Goichiro Hanaoka, Eiji Okamoto
- Organizer
  ASIACRYPT 2016
- Place of Presentation
  Hanoi, Vietnam
- Year and Date
  2016-12-04
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Attribute-Based Encryption for Range Attributes2016
- Author(s)
  Nuttapong Attrapadung, Goichiro Hanaoka, Kazuto Ogawa, Go Ohtake, Hajime Watanabe, Shota Yamada
- Organizer
  SCN 2016
- Place of Presentation
  Amalfi, Italy
- Year and Date
  2016-08-31
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Conversions Among Several Classes of Predicate Encryption and Applications to ABE with Various Compactness Tradeoffs2015
- Author(s)
  Nuttapong Attrapadung, Goichiro Hanaoka, Shota Yamada
- Organizer
  ＡＳＩＡＣＲＹＰＴ　２０１５
- Place of Presentation
  Auckland, New Zealand
- Year and Date
  2015-11-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Black-Box Separations of Hash-and-Sign Signatures in the Non-Programmable Random Oracle Model2015
- Author(s)
  Zongyang Zhang, Yu Chen, Sherman S.M. Chow, Goichiro Hanaoka, Zhenfu Cao, and Yunlei Zhao
- Organizer
  Provable Security 2015
- Place of Presentation
  Kanazawa, Japan
- Year and Date
  2015-11-24
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-14F04205
[Presentation] An Asymptotically Optimal Method for Converting Bit Encryption to Multi-Bit Encryption2015
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka
- Organizer
  ＡＳＩＡＣＲＹＰＴ　２０１５
- Place of Presentation
  Auckland, New Zealand
- Year and Date
  2015-11-29
- Int'l Joint Research
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] A Framework and Compact Constructions for Non-monotonic Attribute-Based Encryption.2014
- Author(s)
  Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka, Noboru Kunihiro
- Organizer
  17th International Conference on Practice and Theory in Public Key Cryptography (PKC 2014)
- Place of Presentation
  Buenos Aires, Argentina
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] A Framework and Compact Constructions for Non-monotonic Attribute-Based Encryption2014
- Author(s)
  Shota Yamada, Nuttapong Attrapadung, Goichiro Hanaoka, Noboru Kunihiro
- Organizer
  Public Key Cryptography 2014
- Place of Presentation
  Buenos Aires, Argentina
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] Key Encapsulation Mechanisms from Extractable Hash Proof Systems, Revisited2013
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka
- Organizer
  16th International Conference on Practice and Theory in Public Key Cryptography (PKC 2013)
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] Chosen Ciphertext Secure Keyed-Homomorphic Public-Key Encryption2013
- Author(s)
  Keita Emura, Goichiro Hanaoka, Go Ohtake, Takahiro Matsuda, Shota Yamada
- Organizer
  16th International Conference on Practice and Theory in Public Key Cryptography (PKC 2013)
- Place of Presentation
  奈良
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] Privacy-preserving search for a chemical compound database2013
- Author(s)
  Kana Shimizu, Hiromi Arai, Koji Nuida, Michiaki Hamada, Koji Tsuda, Jun Sakuma, Takatsugu Hirokawa, Goichiro Hanaoka, Kiyoshi Asai,
- Organizer
  ISMB/ECCB 2013
- Place of Presentation
  ベルリン、ドイツ
- Data Source
  KAKENHI-PROJECT-25540131
[Presentation] Relations between Constrained and Bounded Chosen Ciphertext Security for Key Encapsulation Mechanisms.2012
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka, Kanta Matsuura
- Organizer
  15th International Conference on Practice and Theory in Public Key Cryptography (PKC 2012)
- Place of Presentation
  Darmstadt, Germany
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] Verifiable Predicate Encryption and Applications to CCA Security and Anonymous Predicate Authentication2012
- Author(s)
  Shota Yamada, Nuttapong Attrapadung, Bagus Santoso, Jacob C. N. Schuldt, Goichiro Hanaoka, Noboru Kunihiro
- Organizer
  15th International Conference on Practice and Theory in Public Key Cryptography (PKC 2012)
- Place of Presentation
  Darmstadt, Germany
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] On the Impossibility of Constructing Efficient Key Encapsulation and Programmable Hash Functions in Prime Order Groups.2012
- Author(s)
  Goichiro Hanaoka, Takahiro Matsuda, Jacob C. N. Schuldt
- Organizer
  32nd Annual Cryptology Conference (CRYPTO 2012)
- Place of Presentation
  Santa Barbara, CA, USA
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] On the Security of Dynamic Group Signatures : Preventing Signature Hijacking.2012
- Author(s)
  Yusuke Sakai, Jacob C. N. Schuldt, Keita Emura, Goichiro Hanaoka, Kazuo Ohta
- Organizer
  15th International Conference on Practice and Theory in Public Key Cryptography (PKC 2012)
- Place of Presentation
  Darmstadt, Germany
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] グループ署名の安全性について2012
- Author(s)
  坂井祐介, ヤコブ・シュルツ, 江村恵太, 花岡悟一郎, 太田和夫
- Organizer
  2012年暗号と情報セキュリティシンポジウム
- Place of Presentation
  石川県, 金沢エクセルホテル東急
- Year and Date
  2012-02-02
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] Space Efficient Signature Schemes from the RSA Assumption2012
- Author(s)
  Shota Yamada, Goichiro Hanaoka, Noboru Kunihiro
- Organizer
  15th International Conference on Practice and Theory in Public Key Cryptography (PKC 2012)
- Place of Presentation
  Darmstadt, Germany
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] On the Security of Dynamic Group Signatures: Preventing Signature Hijacking2012
- Author(s)
  Yusuke Sakai, Jacob C. N. Schuldt, Keita Emura, Goichiro Hanaoka, Kazuo Ohta
- Organizer
  15th International Conference on Practice and Theory in Public Key Cryptography (PKC 2012)
- Place of Presentation
  Darmstadt, Germany
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] Relations between Constrained and Bounded Chosen Ciphertext Security for Key Encapsulation Mechanisms2012
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka, Kanta Matsuura
- Organizer
  15th International Conference on Practice and Theory in Public Key Cryptography (PKC 2012)
- Place of Presentation
  Darmstadt, Germany
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] On the Impossibility of Constructing Efficient Key Encapsulation and Programmable Hash Functions in Prime Order Groups2012
- Author(s)
  Goichiro Hanaoka, Takahiro Matsuda, Jacob C. N. Schuldt
- Organizer
  32nd Annual Cryptology Conference (CRYPTO 2012)
- Place of Presentation
  Santa Barbara, CA, USA
- Data Source
  KAKENHI-PROJECT-23656257
[Presentation] Black-Box Separations in the Non-Programmable Random Oracle Model: The Cases of Hash-and-Sign Signatures
- Author(s)
  Zongyang Zhang, Yu Chen , Sherman S.M. Chow, Goichiro Hanaoka, Zhenfu Cao, and Yunlei Zhao
- Organizer
  SCIS2015 暗号と情報セキュリティシンポジウム
- Place of Presentation
  リーガロイヤルホテル小倉・福岡県北九州市小倉北区
- Year and Date
  2015-01-20 – 2015-01-23
- Invited
- Data Source
  KAKENHI-PROJECT-14F04205
[Presentation] Ｃompact Public Key Encryption with Minimum Ideal Property of Hash Functions
- Author(s)
  Kazuki Yoneyama, Goichiro Hanaoka
- Organizer
  ProvSec 2014
- Place of Presentation
  Hong Kong
- Year and Date
  2014-10-09 – 2014-10-10
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] Constructing and Understanding Chosen Ciphertext Security via Puncturable Key Encapsulation Mechanisms
- Author(s)
  Takahiro Matsuda, Goichiro Hanaoka
- Organizer
  TCC 2015
- Place of Presentation
  Warsaw
- Year and Date
  2015-03-23 – 2015-03-25
- Data Source
  KAKENHI-PROJECT-26280046
[Presentation] All-but-One Dual Projective Hashing and Its Applications
- Author(s)
  Zongyang Zhang, Yu Chen , Sherman S.M. Chow, Goichiro Hanaoka, Zhenfu Cao, and Yunlei Zhao
- Organizer
  The 12th International Conference on Applied Cryptography and Network Security (ACNS 2014)
- Place of Presentation
  SwissTech Convention Center・Lausanne・ Switzerland
- Year and Date
  2014-06-10 – 2014-06-13
- Data Source
  KAKENHI-PROJECT-14F04205
[Presentation] Efficient Key Dependent Message Security Amplification Against Chosen Ciphertext Attacks
- Author(s)
  Fuyuki Kitagawa, Takahiro Matsuda, Goichiro Hanaoka, Keisuke Tanaka
- Organizer
  ICISC 2014
- Place of Presentation
  Seoul
- Year and Date
  2014-12-03 – 2014-12-05
- Data Source
  KAKENHI-PROJECT-26280046

1. ATTRAPADUNG Nuttapong (40515300)

# of Collaborated Projects: 5 results

# of Collaborated Products: 12 results
2. 松田隆宏 (60709492)

# of Collaborated Projects: 4 results

# of Collaborated Products: 10 results
3. NUIDA Koji (20435762)

# of Collaborated Projects: 3 results

# of Collaborated Products: 2 results
4. Keita Emura (30597018)

# of Collaborated Projects: 2 results

# of Collaborated Products: 3 results
5. AFFELDT Reynald (40415641)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
6. Hamada Michiaki (00596538)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
7. Shimizu Kana (60367050)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
8. Tsuda Koji (90357517)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
9. Frith Martin (40462832)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
10. Asai Kiyoshi (30356357)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
11. 吉田真紀 (50335387)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
12. 松尾真一郎 (20553960)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
13. 林卓也 (70739995)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
15. 坂井祐介 (40750659)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
16. 山田翔太 (70750834)

# of Collaborated Projects: 1 results

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

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
18. Schuldt Jacob (80750893)

# of Collaborated Projects: 1 results

# of Collaborated Products: 5 results
19. 品川和雅 (20896089)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
20. 宮原大輝 (20928288)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
21. 渡邉洋平 (40792263)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
22. 岩本貢 (50377016)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
23. 水木敬明 (90323089)

# of Collaborated Projects: 1 results

# of Collaborated Products: 1 results
24. 宮本賢伍 (90845801)

# of Collaborated Projects: 1 results

# of Collaborated Products: 0 results
25. 山下恭佑 (90935743)

# of Collaborated Projects: 1 results

# of Collaborated Products: 2 results
26. 矢内直人 (30737896)

# of Collaborated Projects: 1 results

# of Collaborated Products: 4 results
27. ZHANG ZONGYANG

# of Collaborated Projects: 1 results

# of Collaborated Products: 8 results
28. 田中圭介

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
29. 松浦幹太

# of Collaborated Projects: 0 results

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

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results
31. SANTOSO BAGUS

# of Collaborated Projects: 0 results

# of Collaborated Products: 1 results

Hanaoka Goichiro 花岡 悟一郎

HANAOKA Goichiro 花岡 悟一郎

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真に高機能暗号の社会展開に資する物理・視覚暗号Principal Investigator

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

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Research on Advanced Key Update Technique for Practical Applications of Advanced Cryptosystem

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Research on Cryptographic Primitives with Easily Verifiable SecurityPrincipal Investigator

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非理想的実装をも想定した暗号システムの設計と安全性評価Principal Investigator

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Development of basic technology for privacy-preserving bioinformatics and its application

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Study on Public Key Encryption with Restricted Plaintext SpacePrincipal Investigator

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[Journal Article] REN-A.I.: A Video Game for AI Security Education Leveraging Episodic Memory2024

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

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

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[Journal Article] Two-Dimensional Dynamic Fusion for Continuous Authentication2023

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[Journal Article] Physical and Visual Cryptography to Accelerate Social Implementation of Advanced Cryptographic Technologies2023

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[Journal Article] Maliciously circuit-private multi-key FHE and MPC based on LWE2023

Hanaoka Goichiro 花岡悟一郎

HANAOKA Goichiro 花岡悟一郎