Publications

• Maki Tsukahara, Yusaku Harada, Haruka Hirata, Daiki Miyahara, Yang Li, Yuko Hara-Azumi, and Kazuo Sakiyama, “Practical Randomness Effects on Physical Security in Second-Order Threshold Implementation of AES,” IEICE Trans. Fundam. Electron. Commun. Comput. Sci., Vol.E108-A, No.3, pp.XXX-YYY (Mar., 2025). paper
• Haruka Hirata, Daiki Miyahara, Victor Arribas, Yang Li, Noriyuki Miura, Svetla Nikova, and Kazuo Sakiyama, “All You Need Is Fault: Zero-Value Attacks on AES and a New $\lambda$-Detection M&M,” IACR Transactions on Cryptographic Hardware and Embedded Systems, vol. 2024, no. 1, pp. 133–156. paper slides

Conference papers/proceedings

• Haruka Hirata, Daiki Miyahara, Yuko Hara, Kazuo Sakiyama, and Yang Li, “Let's Share a Secret: Share-Reduced Design of M&M for the AES S-box,” 6th workshop on Artificial Intelligence in Hardware Security in conjunction with ACNS 2025, (Jun. 2025) To Appear
• Kaiyuan Li, Haruka Hirata, Daiki Miyahara, Yuko Hara, Kazuo Sakiyama, and Yang Li, "Multiplicative Masked M&M: An Attempt at Combined Countermeasures with Reduced Randomness," 2024 IEEE 23rd International Conference on Trust, Security and Privacy in Computing and Communications (TrustCom), Sanya, China, 2024, pp. 726-733, doi: 10.1109/TrustCom63139.2024.00112 IEEE Xplore
• Haruka Hirata, Yusaku Harada, Yuko Hara, Kazuo Sakiyama, and Yang Li, Yet Another Physical Leakage Assessment with the Wasserstein Distance,” 2024 Asian Hardware Oriented Security and Trust Symposium (AsianHOST), Kobe, Japan, 2024, pp. 1-6, doi:10.1109/AsianHOST63913.2024.10838480 IEEE Xplore
• Maki Tsukahara, Haruka Hirata, Mingyu Yang, Daiki Miyahara, Yang Li, Yuko Hara-Azumi, and Kazuo Sakiyama, “On the Practical Dependency of Fresh Randomness in AES S-box with Second-Order TI,” In Proc. International Symposium on Computing and Networking, CANDAR Workshops (CANDARW’23), IEEE, pp.286–291 (Nov., 2023).

Poster sessions (reviewed)

• Tomoki Ono, Haruka Hirata, Kyoichi Asano, Mingyu Yang, Yohei Watanabe, Yuko Hara, and Mitsugu Iwamoto, “Towards Efficient Logic Locking with Provable Security,” Poster session, The 19th International Workshop on Security (IWSEC’24), (Sep., 2024).

Poster sessions (non-reviewed)

• Haruka Hirata, Daiki Miyahara, Yang Li, and Kazuo Sakiyama, “Glitch-Based Key Recovery Using Entropy of Input Difference for the Canright S-box,” Poster Session, CARDIS 2022 Fall School, (Nov., 2022).

Invited Talks

• Haruka Hirata
  All You Need Is Fault: Zero-Value Attacks on AES and a New $\lambda$-Detection M&M (from TCHES 2024), Workshop on ISEC, Kikai-Shinko-Kaikan Bldg., Tokyo, 2024.05.15

Awards

• CANDAR 2023, WICS (Nov., 2023), Best Paper Award (Maki Tsukahara, Haruka Hirata, Mingyu Yang, Daiki Miyahara, Yang Li, Yuko Hara-Azumi, and Kazuo Sakiyama).

Grants

• Grant-in-Aid for JSPS Fellows (Apr. 2025 - Mar. 2027)

Education

• Doctoral program, (Apr. 2023 - current), The University of Electro-Communications, Tokyo, Japan
• M.E., Mar. 2023, The University of Electro-Communications, Tokyo, Japan
• B.E., Mar. 2021, The University of Electro-Communications, Tokyo, Japan
• Associate Degree (Engineering), Mar. 2019, National Institute of Technology, Anan College, Tokushima, Japan

Interests

• Cryptographic Hardware Security
  • Side-channel Analysis
  • Fault Analysis
• Fast Encryption/Computation Implementation
  • ECC with GNU MP

Software(s)

• Helper module for verification tools such as SILVER to support Yosys synthesis (GitHub)
• Fast implementation of the Wasserstein distance, supporting GNU MP (mpf_class), for leakage assessment (Private repository, so far)