Takagi Tsuyoshi

タカギツヨシ | Takagi Tsuyoshi

Affiliation and department：
Other affiliations (1)：

Homepage URL (1)： http://crypto.mist.i.u-tokyo.ac.jp/

Research field (3)： Applied mathematics and statistics , Information security , Mathematical informatics

Research keywords (2)：情報セキュリティ , 暗号理論

Research theme for competitive and other funds (22)：

2022 - 2024 プライバシ保護機能付き機械学習に向けた効率的なマルチパーティ計算の構築
2019 - 2022 高機能次世代暗号の大規模解読実験による安全性評価
2017 - 2021 Security Analysis of Post-Quantum Cryptography
2013 - 2018 Security Evaluation of Pairing-Based Cryptography via Large-Scale Cryptanalysis
2015 - 2017 効率的かつ安全な多変数多項式暗号方式の構築

2014 - 2017 ビザンチン攻撃に対して安全なネットワーク符号化の解析と構成

2013 - 2016 Security Analysis of Elliptic Curve Cryptography using Groebner Basis

2013 - 2015 大規模並列計算によるポスト量子暗号の安全性解析

2012 - 2015 Design and analysis of multivariate public key cryptosystems using non-commutative structure

2010 - 2012 Security Analysis of Public-Key Cryptography by Large-Scale Experiments

2010 - 2012 Mathematical Foundation and Implantation Methods for Pairing-Based Cryptography

2009 - 2011 Building a digital forensic infrastructure in wireless network

2009 - 2010 情報ネットワークにおける大規模知識処理のための超高速アルゴリズムの研究

2007 - 2009 Control of Large Scale Systems and its Application to Secure Network Based on Nonlinear Approach

2007 - 2008 情報ネットワークにおける大規模知識処理のための超高速アルゴリズムの研究

2006 - 2008 A Secure Mobile Ad-hoc Network Configuration Method considering Selfish Nodes

2006 - 2007 Efficiency Analysis of Arithmetic for Public-Key Cryptosystems and its Applications

2004 - 2007 暗号システムに対する実装攻撃の適用と限界に関する計算論的研究

2006 - 2006 情報ネットワークにおける大規模知識処理のための超高速アルゴリズムの研究

2004 - 2005 暗号認証システムにおける双対性原理の確立と応用

2004 - 2005 PKIの安全性向上化技術の研究

2003 - 2005 An unified approach on security evaluation against sidechannel attacks on cryptographic algorithms

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Papers (260)：

Momonari Kudo, Tasuku Nakagawa, Tsuyoshi Takagi. Efficient Search for Superspecial Hyperelliptic Curves of Genus Four with Automorphism Group Containing bfC6. Mathematics in Computer Science. 2023. 17. 3. 21-21
Haiming Zhu, Shoichi Kamada, Momonari Kudo, Tsuyoshi Takagi. Improved Hybrid Attack via Error-Splitting Method for Finding Quinary Short Lattice Vectors. Advances in Information and Computer Security. 2023. 117-136
Yasuhiko Ikematsu, Shuhei Nakamura, Tsuyoshi Takagi. Recent progress in the security evaluation of multivariate public-key cryptography. IET Inf. Secur. 2023. 17. 2. 210-226
Kaisei Kajita, Go Ohtake, Kazuto Ogawa, Koji Nuida, Tsuyoshi Takagi. Short Lattice Signature Scheme with Tighter Reduction under Ring-SIS Assumption. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. 2023. 106. 3. 228-240
Kohei Nakagawa, Hiroshi Onuki, Atsushi Takayasu, Tsuyoshi Takagi. L1-norm ball for CSIDH: Optimal strategy for choosing the secret key space. Discret. Appl. Math. 2023. 328. 70-88

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MISC (1)：

Takanori Yasuda, Xavier Dahan, Yun-Ju Huang, Tsuyoshi Takagi, Kouichi Sakurai. MQ Challenge: Hardness Evaluation of Solving Multivariate Quadratic Problems. IACR Cryptology ePrint Archive. 2015. 2015. 275

Books (1)：

Professional career (1)：

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