An efficient and generic construction for signal’s handshake (X3DH): post-quantum, state leakage secure, and deniable K Hashimoto, S Katsumata, K Kwiatkowski, T Prest Journal of Cryptology 35 (3), 17, 2022 | 39 | 2022 |
Unrestricted and compact certificateless aggregate signature scheme K Hashimoto, W Ogata Information Sciences 487, 97-114, 2019 | 30 | 2019 |
A concrete treatment of efficient continuous group key agreement via multi-recipient PKEs K Hashimoto, S Katsumata, E Postlethwaite, T Prest, B Westerbaan Proceedings of the 2021 ACM SIGSAC Conference on Computer and Communications …, 2021 | 19 | 2021 |
An efficient and generic construction for signal’s handshake (X3DH): post-quantum, state leakage secure and deniable K Hashimoto, S Katsumata, K Kwiatkowski, T Prest Cryptology ePrint Archive, Report 2021/616, 2021 | 6* | 2021 |
How to hide MetaData in MLS-like secure group messaging: simple, modular, and post-quantum K Hashimoto, S Katsumata, T Prest Proceedings of the 2022 ACM SIGSAC Conference on Computer and Communications …, 2022 | 5 | 2022 |
Chosen-ciphertext secure code-based threshold public key encryptions with short ciphertext K Takahashi, K Hashimoto, W Ogata Designs, Codes and Cryptography 92 (2), 277-301, 2024 | 1 | 2024 |
Identity-Based Matchmaking Encryption, Revisited: Strong Security and Practical Constructions from Standard Classical and Post-Quantum Assumptions S Chiku, K Hashimoto, K Hara, J Shikata Cryptology ePrint Archive, 2023 | | 2023 |
Tight reduction for generic construction of certificateless signature and its instantiation from DDH assumption K Hashimoto, W Ogata, T Tomita Cryptology ePrint Archive, 2019 | | 2019 |