Hiroshi Onuki

Publication Activity (10 Years)

Years Active: 2016-2024
Publications (10 Years): 31

Top Topics

Optimal Strategy

Signature Scheme

Top Venues

IACR Cryptol. ePrint Arch.

Finite Fields Their Appl.

Publications

Kohei Nakagawa, Hiroshi Onuki
SQIsign2D-East: A New Signature Scheme Using 2-dimensional Isogenies. IACR Cryptol. ePrint Arch. 2024 (2024)
Kohei Nakagawa, Hiroshi Onuki
QFESTA: Efficient Algorithms and Parameters for FESTA Using Quaternion Algebras. CRYPTO (5) (2024)
Hiroshi Onuki, Kohei Nakagawa
Ideal-to-isogeny algorithm using 2-dimensional isogenies and its application to SQIsign. IACR Cryptol. ePrint Arch. 2024 (2024)
Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi
How to construct CSIDH on Edwards curves. Finite Fields Their Appl. 92 (2023)
Saki Otsuki, Hiroshi Onuki, Tsuyoshi Takagi
Improvement of the square-root Vélu's formulas for isogeny-based cryptography. JSIAM Lett. 15 (2023)
Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi
Lower bound of costs of formulas to compute image curves of 3-isogenies in the framework of generalized Montgomery coordinates. IACR Cryptol. ePrint Arch. 2023 (2023)
Tomoki Moriya, Hiroshi Onuki, Maozhi Xu, Guoqing Zhou
Adaptive Attacks Against FESTA Without Input Validation or Constant-Time Implementation. PQCrypto (2) (2023)
Kohei Nakagawa, Hiroshi Onuki, Atsushi Takayasu, Tsuyoshi Takagi
L1-norm ball for CSIDH: Optimal strategy for choosing the secret key space. Discret. Appl. Math. 328 (2023)
Kohei Nakagawa, Hiroshi Onuki
QFESTA: Efficient Algorithms and Parameters for FESTA using Quaternion Algebras. IACR Cryptol. ePrint Arch. 2023 (2023)
Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi
The Generalized Montgomery Coordinate: A New Computational Tool for Isogeny-based Cryptography. IACR Cryptol. ePrint Arch. 2022 (2022)
Hiroshi Onuki, Tomoki Moriya
Radical Isogenies on Montgomery Curves. Public Key Cryptography (1) (2022)
Shu Takahashi, Hiroshi Onuki, Tsuyoshi Takagi
Explicit construction of the square-root Vélu's formula on Edwards curves. JSIAM Lett. 14 (2022)
Hiroshi Onuki
On the key generation in SQISign. IACR Cryptol. ePrint Arch. 2022 (2022)
Hiroshi Onuki, Tomoki Moriya
Radical Isogenies on Montgomery Curves. IACR Cryptol. ePrint Arch. 2021 (2021)
Hiroshi Onuki
On oriented supersingular elliptic curves. Finite Fields Their Appl. 69 (2021)
Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi
The Existence of Cycles in the Supersingular Isogeny Graphs Used in SIKE. ISITA (2020)
Hiroshi Onuki, Yusuke Aikawa, Tsutomu Yamazaki, Tsuyoshi Takagi
A Constant-Time Algorithm of CSIDH Keeping Two Points. IEICE Trans. Fundam. Electron. Commun. Comput. Sci. (10) (2020)
Kohei Nakagawa, Hiroshi Onuki, Atsushi Takayasu, Tsuyoshi Takagi
-Norm Ball for CSIDH: Optimal Strategy for Choosing the Secret Key Space. IACR Cryptol. ePrint Arch. 2020 (2020)
Fabio Campos, Matthias J. Kannwischer, Michael Meyer, Hiroshi Onuki, Marc Stöttinger
Trouble at the CSIDH: Protecting CSIDH with Dummy-Operations against Fault Injection Attacks. IACR Cryptol. ePrint Arch. 2020 (2020)
Hiroshi Onuki, Tsuyoshi Takagi
On Collisions Related to an Ideal Class of Order 3 in CSIDH. IWSEC (2020)
Fabio Campos, Matthias J. Kannwischer, Michael Meyer, Hiroshi Onuki, Marc Stöttinger
Trouble at the CSIDH: Protecting CSIDH with Dummy-Operations Against Fault Injection Attacks. FDTC (2020)
Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi
The Existence of Cycles in the Supersingular Isogeny Graphs Used in SIKE. IACR Cryptol. ePrint Arch. 2020 (2020)
Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi
SiGamal: A Supersingular Isogeny-Based PKE and Its Application to a PRF. ASIACRYPT (2) (2020)
Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi
SiGamal: A supersingular isogeny-based PKE and its application to a PRF. IACR Cryptol. ePrint Arch. 2020 (2020)
Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi
How to Construct CSIDH on Edwards Curves. CT-RSA (2020)
Hiroshi Onuki, Tsuyoshi Takagi
On collisions related to an ideal class of order 3 in CSIDH. IACR Cryptol. ePrint Arch. 2019 (2019)
Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi
How to Construct CSIDH on Edwards Curves. IACR Cryptol. ePrint Arch. 2019 (2019)
Hiroshi Onuki, Yusuke Aikawa, Tsutomu Yamazaki, Tsuyoshi Takagi
(Short Paper) A Faster Constant-Time Algorithm of CSIDH Keeping Two Points. IWSEC (2019)
Hiroshi Onuki, Yusuke Aikawa, Tsutomu Yamazaki, Tsuyoshi Takagi
A Faster Constant-time Algorithm of CSIDH keeping Two Torsion Points. IACR Cryptol. ePrint Arch. 2019 (2019)
Hiroshi Onuki, Tadanori Teruya, Naoki Kanayama, Shigenori Uchiyama
The optimal ate pairing over the Barreto-Naehrig curve via parallelizing elliptic nets. JSIAM Lett. 8 (2016)
Hiroshi Onuki, Tadanori Teruya, Naoki Kanayama, Shigenori Uchiyama
Faster Explicit Formulae for Computing Pairings via Elliptic Nets and Their Parallel Computation. IWSEC (2016)