Takashima Katsuyuki

タカシマカツユキ | Takashima Katsuyuki

Affiliation and department：
Job title： Professor
Other affiliations (2)：

Waseda University Research Institute for Science and Engineering Researcher
The University of Tokyo Graduate School of Mathematical Sciences Visiting Professor

Homepage URL (1)： https://ktakashima.w.waseda.jp/

Research field (3)： Information theory , Algebra , Information security

Research keywords (5)： Cryptography , 耐量子計算機暗号 , 関数型暗号 , Computational Number Theory , Elliptic Curve Cryptography

Research theme for competitive and other funds (5)：

Papers (60)：

Toshiyuki Katsura, Katsuyuki Takashima. Decomposed Richelot isogenies of Jacobian varieties of hyperelliptic curves and generalized Howe curves. Commentarii Mathematici Univ. St. Pauli. 2024. 72. 1. 3-17
Pratish Datta, Tapas Pal, Katsuyuki Takashima. Compact FE for unbounded attribute-weighted sums for logspace from SXDH. Designs, Codes and Cryptography. 2024
Pratish Datta, Tapas Pal, Katsuyuki Takashima. Compact FE for Unbounded Attribute-Weighted Sums for Logspace from SXDH. Lecture Notes in Computer Science (ASIACRYPT 2022). 2022
Katsuyuki Takashima. Counting superspecial Richelot isogenies by reduced automorphism groups. RIMS K^oky^uroku Bessatsu. 2022. B90. 185-193
Yuta Kambe, Masaya Yasuda, Masayuki Noro, Kazuhiro Yokoyama, Yusuke Aikawa, Katsuyuki Takashima, Momonari Kudo. Solving the constructive Deuring correspondence via the Kohel-Lauter-Petit-Tignol algorithm. Mathematical Cryptology. 2022. 1. 2

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MISC (12)：

CRYPTREC 暗号技術調査ワーキンググループ(耐量子計算機暗号). CRYPTREC 耐量子計算機暗号の研究動向調査報告書. 2023
CRYPTREC 暗号技術調査ワーキンググループ(耐量子計算機暗号). CRYPTREC 暗号技術ガイドライン(耐量子計算機暗号). 2023
池松泰彦, 深作亮也, 中村周平, 坂田康亮, 工藤桃成, 王亜成, 高島克幸. 耐量子計算機暗号におけるグレブナー基底攻撃の計算量評価について-日本数式処理学会第29回大会報告. 数式処理 = Bulletin of the Japan Society for Symbolic and Algebraic Computation. 2021. 27. 2. 33-36
高島克幸. 耐量子計算機暗号の研究動向調査報告書第5章同種写像に基づく暗号技術. 2019
高島克幸. 量子コンピュータでも解読できない耐量子暗号技術 - 同種写像暗号を中心に -. 日本シミュレーション学会学会誌「シミュレーション」最先端研究. 2019. 38. 1. 42-50

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Books (5)：

代数曲線の計算理論と暗号への応用
日本数学会数学メモアール第10巻 2024
Theory and practice of cryptography : understanding security in the quantum era
2024 ISBN:9784065356357
Theory and Applications of Supersingular Curves and Supersingular Abelian Varieties
RIMS K^oky^uroku Bessatsu B90 2022
Quantum computation, post-quantum cryptography and quantum codes
Institute of Mathematics for Industry, Kyushu University 2020
Mathematical approach for quantum information society
Institute of Mathematics for Industry, Kyushu University 2018

Lectures and oral presentations (121)：

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Education (3)：

Professional career (1)：

Work history (5)：

2024/05 - 現在 Waseda University Research Institute for Science and Engineering Researcher
2024/04 - 現在 The University of Tokyo Graduate School of Mathematical Sciences Visiting Professor
2021/04 - 現在 Waseda University Faculty of Education and Integrated Arts and Sciences
2013/03 - 2022/03 Kyushu University
1997/04 - 2021/03 三菱電機株式会社情報技術総合研究所研究員(最終職位:主管技師長)

Committee career (20)：

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Awards (6)：

2023/03 - The Institute of Electronics, Information and Communication Engineers IEICE Fellow Pioneering study of cryptographic technologies with high security and high functionality using algebraic curves
2017/06 - IEICE Best Paper Award 2016 Adaptively Attribute-Hiding (Hierarchical) Inner Product Encryption
2016/09 - 日本応用数理学会 2016 年度日本応用数理学会論文誌論文賞(サーベイ部門) 楕円曲線暗号の進展
2016/06 - IEICE Best Paper Award 2015 Dual Pairing Vector Spaces and Their Applications
2003/09 - 日本応用数理学会 2003 年度日本応用数理学会論文誌論文賞(実用部門) 虚数乗法論を用いた種数2 超楕円曲線暗号の効率的な構成法について

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Association Membership(s) (5)：

The International Association for Cryptologic Research (IACR) , 日本応用数理学会 , 日本数学会 , 情報処理学会 , 電子情報通信学会

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