| 2025 | ICISC | Strong Designated Verifier Signatures with Non-delegatability from CSIDH. | Hiroki Minamide, Keisuke Tanaka, Masayuki Tezuka |
| 2025 | IWSEC | Public Key Encryption with Equality Test from Tag-Based Encryption. | Masayuki Tezuka, Keisuke Tanaka |
| 2025 | IWSEC | Ordered Multi-signatures with Public-Key Aggregation from SXDH Assumption. | Masayuki Tezuka, Keisuke Tanaka |
| 2025 | ProvSec | Logarithmic-Size Ring Signatures with Tight Security from the DL Assumption. | Keisuke Hara, Masayuki Tezuka |
| 2025 | TCC | Relationships Among FuncCPA and Its Related Notions. | Takumi Shinozaki, Tatsuaki Okamoto, Keisuke Tanaka, Masayuki Tezuka, Yusuke Yoshida |
| 2024 | SCN | Universally Composable Relaxed Asymmetric Password-Authenticated Key Exchange. | Shuya Hanai, Keisuke Tanaka, Masayuki Tezuka, Yusuke Yoshida |
| 2023 | ICISC | 1-out-of-n Oblivious Signatures: Security Revisited and a Generic Construction with an Efficient Communication Cost. | Masayuki Tezuka, Keisuke Tanaka |
| 2022 | ICISC | Pointcheval-Sanders Signature-Based Synchronized Aggregate Signature. | Masayuki Tezuka, Keisuke Tanaka |
| 2021 | ICISC | Forward Secure Message Franking. | Hiroki Yamamuro, Keisuke Hara, Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka |
| 2020 | ACISP | Improved Security Proof for the Camenisch-Lysyanskaya Signature-Based Synchronized Aggregate Signature Scheme. | Masayuki Tezuka, Keisuke Tanaka |
| 2020 | ICISC | Security Definitions on Time-Lock Puzzles. | Daiki Hiraga, Keisuke Hara, Masayuki Tezuka, Yusuke Yoshida, Keisuke Tanaka |
| 2020 | ProvSec | Watermarkable Signature with Computational Function Preserving. | Kyohei Sudo, Masayuki Tezuka, Keisuke Hara, Yusuke Yoshida, Keisuke Tanaka |
| 2019 | CANS | A t-out-of-n Redactable Signature Scheme. | Masayuki Tezuka, Xiangyu Su, Keisuke Tanaka |