Adaptive-ID Secure Hierarchical ID-Based Authenticated Key Exchange under Standard Assumptions without Random Oracles. - Ren Ishibashi; Kazuki Yoneyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2022)

Compact Password Authenticated Key Exchange from Group Actions. - Ren Ishibashi; Kazuki Yoneyama (ACISP, 2023)

Post-Quantum Anonymous One-Sided Authenticated Key Exchange without Random Oracles. - Ren Ishibashi; Kazuki Yoneyama (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2023)

Big Data-based Authenticated Key Exchange Resilient to Ephemeral Key Leakage without Random Oracles. - Ren Ishibashi; Kazuki Yoneyama (J. Inf. Process., 2024)