Watermarkable Signature with Computational Function Preserving. - Kyohei Sudo; Keisuke Hara; Masayuki Tezuka; Yusuke Yoshida; Keisuke Tanaka (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2021)

Practical Quantum Public Key Encryption from One-way Functions. - Kyohei Sudo; Keisuke Fujii 004; Keisuke Hara; Kosuke Ito; Masayuki Tezuka; Yusuke Yoshida (APKC@AsiaCCS, 2025)

Quantum Search-to-Decision Reduction for the LWE Problem. - Kyohei Sudo; Keisuke Hara; Masayuki Tezuka; Yusuke Yoshida (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2025)