| 2026 | EuroCrypt | SQIsign2DPush: Faster Signature Scheme Using 2-Dimensional Isogenies. | Kohei Nakagawa, Hiroshi Onuki |
| 2026 | PKC | Attacks on PRISM-id via Torsion over Small Extension Fields. | Kohei Nakagawa, Hiroshi Onuki |
| 2026 | PQCrypto | A Collision Attack on the LTZ Hash Function Based on a Conjecture on Supersingular Non-superspecial Isogeny Graphs of Dimension 2. | Ryo Ohashi, Hiroshi Onuki |
| 2025 | CASC | Lower Bounds of Costs of 3-Isogenies Formulas in the Framework of Generalized Montgomery Coordinates. | Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi |
| 2025 | PQCrypto | An Efficient Collision Attack on Castryck-Decru-Smith's Hash Function. | Ryo Ohashi, Hiroshi Onuki |
| 2025 | PQCrypto | Efficient Theta-Based Algorithms for Computing (ℓ , ℓ )-Isogenies on Kummer Surfaces for Arbitrary Odd ℓ. | Ryo Yoshizumi, Hiroshi Onuki, Ryo Ohashi, Momonari Kudo, Koji Nuida |
| 2024 | ASIACRYPT | SQIsign2D-East: A New Signature Scheme Using 2-Dimensional Isogenies. | Kohei Nakagawa, Hiroshi Onuki, Wouter Castryck, Mingjie Chen, Riccardo Invernizzi, Gioella Lorenzon, Frederik Vercauteren |
| 2024 | ASIACRYPT | Ideal-to-Isogeny Algorithm Using 2-Dimensional Isogenies and Its Application to SQIsign. | Hiroshi Onuki, Kohei Nakagawa |
| 2024 | CRYPTO | QFESTA: Efficient Algorithms and Parameters for FESTA Using Quaternion Algebras. | Kohei Nakagawa, Hiroshi Onuki |
| 2024 | PQCrypto | Adaptive Attacks Against FESTA Without Input Validation or Constant-Time Implementation. | Tomoki Moriya, Hiroshi Onuki, Maozhi Xu, Guoqing Zhou |
| 2022 | PKC | Radical Isogenies on Montgomery Curves. | Hiroshi Onuki, Tomoki Moriya |
| 2020 | ASIACRYPT | SiGamal: A Supersingular Isogeny-Based PKE and Its Application to a PRF. | Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi |
| 2020 | FDTC | Trouble at the CSIDH: Protecting CSIDH with Dummy-Operations Against Fault Injection Attacks. | Fabio Campos, Matthias J. Kannwischer, Michael Meyer, Hiroshi Onuki, Marc Stttinger |
| 2020 | ISITA | The Existence of Cycles in the Supersingular Isogeny Graphs Used in SIKE. | Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi |
| 2020 | IWSEC | On Collisions Related to an Ideal Class of Order 3 in CSIDH. | Hiroshi Onuki, Tsuyoshi Takagi |
| 2019 | IWSEC | (Short Paper) A Faster Constant-Time Algorithm of CSIDH Keeping Two Points. | Hiroshi Onuki, Yusuke Aikawa, Tsutomu Yamazaki, Tsuyoshi Takagi |
| 2016 | IWSEC | Faster Explicit Formulae for Computing Pairings via Elliptic Nets and Their Parallel Computation. | Hiroshi Onuki, Tadanori Teruya, Naoki Kanayama, Shigenori Uchiyama |