Ryuya Hayashi

11 papers C 2Journal 4Unranked 5
YearRankTypeTitle / Venue / Authors
2026 J jnl
On the Implications from Updatable Encryption to Public-Key Cryptographic Primitives.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuichi Tanishita, Ryuya Hayashi, Ryu Ishii, Takahiro Matsuda, Kanta Matsuura
2026 J jnl
Updatable Encryption Secure against Randomness Compromise.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Yuichi Tanishita, Ryuya Hayashi, Ryu Ishii, Takahiro Matsuda, Kanta Matsuura
2025 C conf
CHOO-PIR: Hint-Based Private Information Retrieval with Commodity Servers.
PST
Kittiphop Phalakarn, Ryuya Hayashi
2025 C conf
Interoperability between Permissioned Distributed Ledgers without External Trust Anchor.
ICBC
Iifan Tyou, Ryuya Hayashi, Kanta Matsuura
2025 J jnl
Multi-Query Verifiable PIR and Its Application.
IEICE Trans. Fundam. Electron. Commun. Comput. Sci.
Ryuya Hayashi, Junichiro Hayata, Keisuke Hara, Kenta Nomura, Masaki Kamizono, Goichiro Hanaoka
2024 — conf
Anonymous Reputation Systems with Revocation, Revisited.
FC (2)
Ryuya Hayashi, Shuichi Katsumata, Yusuke Sakai
2024 J jnl
Attribute-Based Signatures for Circuits with Optimal Parameter Size from Standard Assumptions.
IACR Cryptol. ePrint Arch.
Ryuya Hayashi, Yusuke Sakai, Shota Yamada
2024 — conf
Multi-query Verifiable PIR and Its Application.
CANS (2)
Ryuya Hayashi, Junichiro Hayata, Keisuke Hara, Kenta Nomura, Masaki Kamizono, Goichiro Hanaoka
2024 — conf
On the Implications from Updatable Encryption to Public-Key Cryptographic Primitives.
ACISP (1)
Yuichi Tanishita, Ryuya Hayashi, Ryu Ishii, Takahiro Matsuda, Kanta Matsuura
2024 — conf
Updatable Encryption Secure Against Randomness Compromise.
CANS (2)
Yuichi Tanishita, Ryuya Hayashi, Ryu Ishii, Takahiro Matsuda, Kanta Matsuura
2023 — conf
Signature for Objects: Formalizing How to Authenticate Physical Data and More.
FC (1)
Ryuya Hayashi, Taiki Asano, Junichiro Hayata, Takahiro Matsuda, Shota Yamada, Shuichi Katsumata, Yusuke Sakai, Tadanori Teruya, Jacob C. N. Schuldt, Nuttapong Attrapadung, Goichiro Hanaoka, Kanta Matsuura, Tsutomu Matsumoto