Profile

Research fellow in Computer Science, University of Birmingham, UK

- Bachelor of Mathematics in The University of Tokyo
- Master of Mathematical Informatics in The University of Tokyo
- Doctor of Mathematical Informatics in The University of Tokyo

Google scholar

- Tomoki Moriya, Katsuyuki Takashima, and Tsuyoshi Takagi. "Group Key Exchange from CSIDH and Its Application to Trusted Setup in Supersingular Isogeny Cryptosystems." Inscrypt 2019. [Springer]
- Tomoki Moriya, Hiroshi Onuki, and Tsuyoshi Takagi. "How to construct CSIDH on Edwards curves." CT-RSA 2020. [Springer]
- Tomoki Moriya, Hiroshi Onuki, and Tsuyoshi Takagi. "SiGamal: A supersingular isogeny-based PKE and its application to a PRF." ASIACRYPT 2020. [Springer]
- Hiroshi Onuki, and Tomoki Moriya. "Radical isogenies on Montgomery curves." PKC 2022. [Springer]
- Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, and Tsuyoshi Takagi. "The Generalized Montgomery Coordinate: A New Computational Tool for Isogeny-based Cryptography." MathCrypt 2022. [Mathematical Cryptology]
- Tako Boris Fouotsa, Tomoki Moriya, and Christophe Petit. "M-SIDH and MD-SIDH: Countering SIDH Attacks by Masking Information." EUROCRYPT 2023. [Springer]
- Tomoki Moriya, Hiroshi Onuki, and Tsuyoshi Takagi. "How to construct CSIDH on Edwards curves." (extended version) Finite Fields and Their Applications [Elsevier]

- Tomoki Moriya and Momonari Kudo. "Some explicit arithmetics on curves of genus three and their applications." [arXiv]
- Tomoki Moriya. "IS-CUBE: An isogeny-based compact KEM using a boxed SIDH diagram." [ePrint]
- Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, and Tsuyoshi Takagi. "Lower bound of costs of formulas to compute image curves of 3-isogenies in the framework of generalized Montgomery coordinates." [ePrint]
- Tomoki Moriya and Hiroshi Onuki. "The wrong use of FESTA trapdoor functions leads to an adaptive attack." [ePrint]
- Tomoki Moriya and Momonari Kudo. "Explicit construction of a plane sextic model for genus-five Howe curves, I." [arXiv]

- Tomoki Moriya. "Masked-degree SIDH." [ePrint]

- "How to Construct CSIDH on Edwards Curves" in IWSEC 2019. Best poster award
- "Edwards曲線における高速な高次の同種写像計算方式" in SCIS 2021. SCIS Paper award (in Japan)

- Research Fellowship for Yong Scientists (DC2). Funding Agency: Japan Society for the Promotion of Science, Project number: 21J10711

- "How to Construct CSIDH on Edwards Curves" in IWSEC 2019 (poster) (Best poster award)
- "Group Key Exchange from CSIDH and Its Application to Trusted Setup in Supersingular Isogeny Cryptosystems" in Inscrypt 2019
- "Group Key Exchange from CSIDH and Its Application to Trusted Setup in Supersingular Isogeny Cryptosystems" in IJJWQCQI 2020 (workshop)
- "How to Construct CSIDH on Edwards Curves" in CT-RSA 2020
- "SiGamal: A supersingular isogeny-based PKE and its application to a PRF" in ASIACRYPT 2020
- "M-SIDH and MD-SIDH: Countering SIDH Attacks by Masking Information" in EUROCRYPT 2023
- "Some explicit arithmetics on curves of genus three and their applications" in ICIAM 2023 (mini-symposium)

- "同種写像暗号のCSIDHを用いたグループ鍵共有方式とその応用" in SCIS 2019
- "同種写像暗号CSIDHのEdwards曲線による構成について" in JANT 2019
- "同種写像暗号CSIDHのEdwards曲線のw座標による構成について" in SCIS 2020
- "How to Construct CSIDH on Edwards Curves" in 異業種異分野交流会 2019 (poster)
- "同種写像による点の像の判定困難性に基づく公開鍵暗号方式" in JANT 2020
- "SiGamal: A Supersingular Isogeny-Based PKE" in CSS 2020
- "Edwards曲線における高速な高次の同種写像計算方式" in SCIS 2021 (SCIS論文賞)
- "Montgomery曲線のx座標を用いた3-同種計算の最小演算コスト" in SCIS 2022
- "種数3における分解 Richelot 同種写像を計算するアルゴリズムとその応用" in JANT 2022
- "種数3における分解 Richelot 同種写像を計算するアルゴリズムとその応用" in SCIS 2023

- "How to Construct CSIDH on Edwards Curves (from CT-RSA 2020)" in ISEC 2020
- "SiGamal: A supersingular isogeny-based PKE and its application to a PRF (from ASIACRYPT 2020)" in WCIS 2021
- "M-SIDH and MD-SIDH: countering SIDH attacks by masking information (from EUROCRYPT 2023)" in WCIS 2023