Ryo Hiromasa

16 papers C 3Journal 7Unranked 5
YearRankTypeTitle / Venue / Authors
2025 — conf
Abuse-Resistant Evaluation of AI-as-a-Service via Function-Hiding Homomorphic Signatures.
ESORICS (1)
Nuttapong Attrapadung, Goichiro Hanaoaka, Ryo Hiromasa, Yoshihiro Koseki, Takahiro Matsuda, Yutaro Nishida, Yusuke Sakai, Jacob C. N. Schuldt, Satoshi Yasuda
2025 J jnl
Rewindable Quantum Computation and Its Equivalence to Cloning and Adaptive Postselection.
Theory Comput. Syst.
Ryo Hiromasa, Akihiro Mizutani, Yuki Takeuchi, Seiichiro Tani
2024 — conf
Privacy-Preserving Verifiable CNNs.
ACNS (2)
Nuttapong Attrapadung, Goichiro Hanaoka, Ryo Hiromasa, Yoshihiro Koseki, Takahiro Matsuda, Yutaro Nishida, Yusuke Sakai, Jacob C. N. Schuldt, Satoshi Yasuda
2023 J jnl
Maliciously circuit-private multi-key FHE and MPC based on LWE.
Des. Codes Cryptogr.
Nuttapong Attrapadung, Goichiro Hanaoka, Ryo Hiromasa, Takahiro Matsuda, Jacob C. N. Schuldt
2023 — conf
Rewindable Quantum Computation and Its Equivalence to Cloning and Adaptive Postselection.
TQC
Ryo Hiromasa, Akihiro Mizutani, Yuki Takeuchi, Seiichiro Tani
2022 J jnl
Rewindable Quantum Computation and Its Equivalence to Cloning and Adaptive Postselection.
CoRR
Ryo Hiromasa, Akihiro Mizutani, Yuki Takeuchi, Seiichiro Tani
2021 J jnl
Computational self-testing for entangled magic states.
IACR Cryptol. ePrint Arch.
Akihiro Mizutani, Yuki Takeuchi, Ryo Hiromasa, Yusuke Aikawa, Seiichiro Tani
2020 — conf
MPSign: A Signature from Small-Secret Middle-Product Learning with Errors.
Public Key Cryptography (2)
Shi Bai, Dipayan Das, Ryo Hiromasa, Miruna Rosca, Amin Sakzad, Damien Stehlé, Ron Steinfeld, Zhenfei Zhang
2020 J jnl
MPSign: A Signature from Small-Secret Middle-Product Learning with Errors.
IACR Cryptol. ePrint Arch.
Shi Bai, Dipayan Das, Ryo Hiromasa, Miruna Rosca, Amin Sakzad, Damien Stehlé, Ron Steinfeld, Zhenfei Zhang
2018 C conf
Digital Signatures from the Middle-Product LWE.
ProvSec
Ryo Hiromasa
2018 C conf
Multi-key Homomorphic Proxy Re-Encryption.
ISC
Satoshi Yasuda, Yoshihiro Koseki, Ryo Hiromasa, Yutaka Kawai
2017 C conf
Dynamic Multi Target Homomorphic Attribute-Based Encryption.
IMACC
Ryo Hiromasa, Yutaka Kawai
2017 — —
Efficient Fully Homomorphic Encryption and Digital Signatures Secure from Standard Assumptions.
Ryo Hiromasa
2017 J jnl
Fully Dynamic Multi Target Homomorphic Attribute-Based Encryption.
IACR Cryptol. ePrint Arch.
Ryo Hiromasa, Yutaka Kawai
2016 J jnl
Packing Messages and Optimizing Bootstrapping in GSW-FHE.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ryo Hiromasa, Masayuki Abe, Tatsuaki Okamoto
2015 — conf
Packing Messages and Optimizing Bootstrapping in GSW-FHE.
Public Key Cryptography
Ryo Hiromasa, Masayuki Abe, Tatsuaki Okamoto