Kohei Nakagawa

11 papers Journal 7Unranked 4
YearRankTypeTitle / Venue / Authors
2025 J jnl
Attacks on PRISM-id via Torsion over Small Extension Fields.
IACR Cryptol. ePrint Arch.
Kohei Nakagawa, Hiroshi Onuki
2025 J jnl
SQIsign2DPush: Faster Signature Scheme Using 2-Dimensional Isogenies.
IACR Cryptol. ePrint Arch.
Kohei Nakagawa, Hiroshi Onuki
2024 — conf
Ideal-to-Isogeny Algorithm Using 2-Dimensional Isogenies and Its Application to SQIsign.
ASIACRYPT (3)
Hiroshi Onuki, Kohei Nakagawa
2024 J jnl
Ideal-to-isogeny algorithm using 2-dimensional isogenies and its application to SQIsign.
IACR Cryptol. ePrint Arch.
Hiroshi Onuki, Kohei Nakagawa
2024 — conf
QFESTA: Efficient Algorithms and Parameters for FESTA Using Quaternion Algebras.
CRYPTO (5)
Kohei Nakagawa, Hiroshi Onuki
2024 — conf
SQIsign2D-East: A New Signature Scheme Using 2-Dimensional Isogenies.
ASIACRYPT (3)
Kohei Nakagawa, Hiroshi Onuki, Wouter Castryck, Mingjie Chen, Riccardo Invernizzi, Gioella Lorenzon, Frederik Vercauteren
2024 J jnl
SQIsign2D-East: A New Signature Scheme Using 2-dimensional Isogenies.
IACR Cryptol. ePrint Arch.
Kohei Nakagawa, Hiroshi Onuki
2023 J jnl
L1-norm ball for CSIDH: Optimal strategy for choosing the secret key space.
Discret. Appl. Math.
Kohei Nakagawa, Hiroshi Onuki, Atsushi Takayasu, Tsuyoshi Takagi
2023 — conf
Making the Identity-Based Diffie-Hellman Key Exchange Efficiently Revocable.
LATINCRYPT
Kohei Nakagawa, Atsushi Fujioka, Akira Nagai, Junichi Tomida, Keita Xagawa, Kan Yasuda
2023 J jnl
QFESTA: Efficient Algorithms and Parameters for FESTA using Quaternion Algebras.
IACR Cryptol. ePrint Arch.
Kohei Nakagawa, Hiroshi Onuki
2020 J jnl
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IACR Cryptol. ePrint Arch.
Kohei Nakagawa, Hiroshi Onuki, Atsushi Takayasu, Tsuyoshi Takagi