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Affiliation |
Organization for the Promotion of Education |
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Job Title |
Specially Appointed Assistant Professor |
TOMITA Toi
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The Best Research Achievement in Research Career 【 display / non-display 】
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【Published Thesis】 Efficient Identity-Based Encryption with Tight Adaptive Anonymity from RLWE(15th International Workshop, PQCrypto 2024) 2024.06
【Published Thesis】 Direct computation of branching programs and its applications to more efficient lattice-based cryptography(Designs, Codes and Cryptography) 2022.09
【Published Thesis】 Lattice-Based Multi-entity Identification Protocols(7th International Conference, MobiSec 2023) 2024.06
Degree 【 display / non-display 】
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Doctor of Engineering - Tokyo Institute of Technology
Campus Career 【 display / non-display 】
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2024.4
Concurrently Yokohama National UniversityOrganization for the Promotion of Education Specially Appointed Assistant Professor
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2022.4
Duty Yokohama National UniversityInstitute of Advanced Sciences Specially Appointed Assistant Professor
Papers 【 display / non-display 】
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How to Apply Fujisaki-Okamoto Transformation to Registration-Based Encryption
Sohto Chiku, Keisuke Hara, Keitaro Hashimoto, Toi Tomita & Junji Shikata
International Conference on Cryptology and Network Security 2024.9 [Reviewed]
Language：English Publishing type：Research paper (scientific journal) Single Work
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Lattice-Based Multi-entity Identification Protocols
Yohei Watanabe, Toi Tomita, and Junji Shikata
7th International Conference, MobiSec 2023 51 - 65 2024.6 [Reviewed]
Language：English Publishing type：Research paper (international conference proceedings) Single Work
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Efficient Identity-Based Encryption with Tight Adaptive Anonymity from RLWE
Toi Tomita and Junji Shikata
15th International Workshop, PQCrypto 2024 1 300 - 321 2024.6 [Reviewed]
Authorship：Lead author, Corresponding author Language：English Publishing type：Research paper (international conference proceedings) Single Work
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Shuichi Katsumata, Toi Tomita, and Shota Yamada
Designs, Codes and Cryptography 91 391 - 431 2022.9 [Reviewed]
Authorship：Corresponding author Language：English Publishing type：Research paper (scientific journal) Single Work
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Boosting CPA to CCA2 for Leakage-Resilient Attribute-Based Encryption by Using New QA-NIZK
Toi TOMITA, Wakaha Ogata, Kaoru KUROSAWA
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences 2022.3
Authorship：Lead author, Corresponding author Language：English Publishing type：Research paper (scientific journal) Single Work
Presentations 【 display / non-display 】
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格子によるタイトに適応的匿名性を持つコンパクトなIDベース暗号
冨田 斗威，四方 順司
2024年 暗号と情報セキュリティシンポジウム
Event date： 2024.1
Language：Japanese Presentation type：Oral presentation (general)
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指定演算者型準同型署名
白石 一真，原 啓祐，冨田 斗威，四方 順司
コンピューターセキュリティシンポジウム2023
Event date： 2023.10 - 2023.11
Language：Japanese Presentation type：Oral presentation (general)
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A Concretely Compact Lattice-Based Aggregate Signature Scheme
Toi Tomita, Junji Shikata
コンピューターセキュリティシンポジウム2023
Event date： 2023.10 - 2023.11
Language：English Presentation type：Oral presentation (general)
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格子ベース多人数相手認証方式
渡邉 洋平, 冨田 斗威, 四方 順司
コンピューターセキュリティシンポジウム2023
Event date： 2023.10 - 2023.11
Language：Japanese Presentation type：Oral presentation (general)
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格子に基づく多権限属性ベース署名
金子悠人，冨田斗威，四方順司
電子情報通信学会 研究会
Event date： 2023.3
Language：Japanese Presentation type：Oral presentation (general)
Charge of on-campus class subject 【 display / non-display 】
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2024 Cyber-Physical Network Architecture
College of Engineering Science