Tomoki Moriya

According to our database, Tomoki Moriya authored at least 16 papers between 2019 and 2025.

Collaborative distances:

• Dijkstra number of five.
• Erdős number of four.

2025

Kani's lemma from Clifford algebra.

Tomoki Moriya

IACR Cryptol. ePrint Arch., 2025

Radical 2-Isogenies and Cryptographic Hash Functions in Dimensions 1, 2 and 3.

Sabrina Kunzweiler, Luciano Maino, Tomoki Moriya, Christophe Petit, Giacomo Pope, Damien Robert, Miha Stopar, Yan Bo Ti

Proceedings of the Public-Key Cryptography - PKC 2025, 2025

Lower Bounds of Costs of 3-Isogenies Formulas in the Framework of Generalized Montgomery Coordinates.

Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi

Proceedings of the Computer Algebra in Scientific Computing - 27th International Workshop, 2025

2024

LIT-SiGamal: An efficient isogeny-based PKE based on a LIT diagram.

Tomoki Moriya

IACR Cryptol. ePrint Arch., 2024

Adaptive Attacks Against FESTA Without Input Validation or Constant-Time Implementation.

Tomoki Moriya, Hiroshi Onuki, Maozhi Xu, Guoqing Zhou

Proceedings of the Post-Quantum Cryptography - 15th International Workshop, 2024

2023

Lower bound of costs of formulas to compute image curves of 3-isogenies in the framework of generalized Montgomery coordinates.

Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi

IACR Cryptol. ePrint Arch., 2023

IS-CUBE: An isogeny-based compact KEM using a boxed SIDH diagram.

Tomoki Moriya

IACR Cryptol. ePrint Arch., 2023

Adaptive attack for a possible PKE scheme using FESTA trapdoor functions in the wrong way.

Tomoki Moriya

IACR Cryptol. ePrint Arch., 2023

M-SIDH and MD-SIDH: Countering SIDH Attacks by Masking Information.

Tako Boris Fouotsa, Tomoki Moriya, Christophe Petit

Proceedings of the Advances in Cryptology - EUROCRYPT 2023, 2023

2022

The Generalized Montgomery Coordinate: A New Computational Tool for Isogeny-based Cryptography.

Tomoki Moriya, Hiroshi Onuki, Yusuke Aikawa, Tsuyoshi Takagi

IACR Cryptol. ePrint Arch., 2022

Masked-degree SIDH.

Tomoki Moriya

IACR Cryptol. ePrint Arch., 2022

Some explicit arithmetics on curves of genus three and their applications.

Tomoki Moriya, Momonari Kudo

CoRR, 2022

Radical Isogenies on Montgomery Curves.

Hiroshi Onuki, Tomoki Moriya

Proceedings of the Public-Key Cryptography - PKC 2022, 2022

2020

How to Construct CSIDH on Edwards Curves.

Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi

Proceedings of the Topics in Cryptology - CT-RSA 2020, 2020

SiGamal: A Supersingular Isogeny-Based PKE and Its Application to a PRF.

Tomoki Moriya, Hiroshi Onuki, Tsuyoshi Takagi

Proceedings of the Advances in Cryptology - ASIACRYPT 2020, 2020

2019

Group Key Exchange from CSIDH and Its Application to Trusted Setup in Supersingular Isogeny Cryptosystems.

Tomoki Moriya, Katsuyuki Takashima, Tsuyoshi Takagi

Proceedings of the Information Security and Cryptology - 15th International Conference, 2019