A Generic Construction of CCA-secure Attribute-based Encryption with Equality Test. - Kyoichi Asano; Keita Emura; Atsushi Takayasu; Yohei Watanabe 001 (IACR Cryptol. ePrint Arch., 2021)

A Physical Zero-Knowledge Proof for Sumplete, a Puzzle Generated by ChatGPT. - Kyosuke Hatsugai; Kyoichi Asano; Yoshiki Abe (COCOON (1), 2023)

Updatable Public Key Encryption with Strong CCA Security: Security Analysis and Efficient Generic Construction. - Kyoichi Asano; Yohei Watanabe 001 (IACR Cryptol. ePrint Arch., 2023)

More Efficient Adaptively Secure Lattice-Based IBE with Equality Test in the Standard Model. - Kyoichi Asano; Keita Emura; Atsushi Takayasu (IEICE Trans. Fundam. Electron. Commun. Comput. Sci., 2024)

NP-Completeness and Physical Zero-Knowledge Proofs for Sumplete, a Puzzle Generated by ChatGPT. - Kyosuke Hatsugai; Suthee Ruangwises; Kyoichi Asano; Yoshiki Abe (New Gener. Comput., 2024)

Anonymous Credentials with Credential Redaction and Its Application to SSI-Based Plug&Charge for Shared Vehicles. - Kyosuke Hatsugai; Kyoichi Asano; Yuki Sawai; Yohei Watanabe 001; Mitsugu Iwamoto (ACISP (3), 2025)

A Generic Zero-Knowledge Range Argument with Preprocessing. - Yuki Sawai; Kyoichi Asano; Yohei Watanabe 001; Mitsugu Iwamoto (AsiaJCIS, 2025)

Revisiting Relations of Security Notions in Searchable Encryption. - Kazuki Sato; Takumi Amada; Kyoichi Asano; Yohei Watanabe 001; Mitsugu Iwamoto; Kazuo Ohta (APKC@AsiaCCS, 2025)

Key Revocation in Registered Attribute-Based Encryption. - Kyoichi Asano; Nuttapong Attrapadung; Keisuke Hara; Keitaro Hashimoto; Yohei Watanabe 001 (PKC (3), 2025)

PSYLOCKE: Provably Secure Logic Locking with Practical Efficiency. - Yohei Watanabe 001; Kyoichi Asano; Haruka Hirata; Tomoki Ono; Mingyu Yang; Mitsugu Iwamoto; Yang Li 001; Yuko Hara (IACR Cryptol. ePrint Arch., 2025)