MEMBER

Gyuhyun Jung

Ph.D. Student (Integrated Ph.D. Program),

Department of Electrical Engineering,

Pohang University of Science and Technology (POSTECH)

Contact Information

• Address : #4219, Information & Electronics Building (E3-2), KAIST, Daejeon, Korea

• Email : jgh1020[at]postech.ac.kr (or gyuhyunjung.epiclab[at]gmail.com)

• Office : +82-(0)42-350-7579

Educational Backgrounds

• [2023/03~Present] Ph.D. Candidate in Electrical Engineering, POSTECH, Pohang, Korea

• [2018/03~2023/02] B.S. in Electrical Engineering, POSTECH, Pohang, Korea

Professional Experiences

• [2025/08~Present] Visiting Researcher, Sch. Electrical Engineering, KAIST, Daejeon, Korea

• [2022/01~Present] Research Assistant, Dept. Electrical Engineering, POSTECH, Pohang, Korea 

• [2022/07~2022/08] Internship, Samsung Electronics, Suwon, Korea

• [2020/01~2020/02] Internship, SK Hynix, Icheon, Korea

Research Interests

• Hardware Architecture Design for Post-Quantum Cryptography

• Hardware Accelerator Design for Homomorphic Encryption

• ASIC/FPGA Implementation

Publications

• International Journal Papers

  1. Hyeokjun Kwon+, Hyunhoon Lee+, Gyuhyun Jung, and Youngjoo Lee*, "Energy-efficient flexible RNS-CKKS processor for FHE-based privacy-preserving computing," IEEE Journal of Solid-State Circuits, vol. 60, no. 1, pp. 136-145, Jan. 2025. (Invited)

• International Conference Proceedings

  1. [Accepted] Gyuhyun Jung+, Hyunhoon Lee+, and Youngjoo Lee*, "Memory-efficient twiddle factor generator in parallel NTT accelerators for FHE applications," IEEE International Symposium on Circuits and Systems (ISCAS), Shanghai, China, May 2026.

  2. Gyuhyun Jung, Hyeokjun Kwon, Hyunhoon Lee, and Youngjoo Lee*, "Fast estimation of NTT/INTT accelerator costs for RNS-based homomorphic encryption," International SoC Design Conference (ISOCC), Gangneung, Korea, Oct. 2022.