Design of security enhanced TPM chip against invasive physical attacks. - Piljoo Choi; Dong Kyue Kim (ISCAS, 2012)

Low-Complexity Elliptic Curve Cryptography Processor Based on Configurable Partial Modular Reduction Over NIST Prime Fields. - Piljoo Choi; Mun-Kyu Lee; Ji-Hoon Kim 003; Dong Kyue Kim (IEEE Trans. Circuits Syst. II Express Briefs, 2018)

Fast and Power-Analysis Resistant Ring Lizard Crypto-Processor Based on the Sparse Ternary Property. - Piljoo Choi; Ji-Hoon Kim 003; Dong Kyue Kim (IEEE Access, 2019)

ECC Coprocessor Over a NIST Prime Field Using Fast Partial Montgomery Reduction. - Piljoo Choi; Mun-Kyu Lee; Dong Kyue Kim (IEEE Trans. Circuits Syst. I Regul. Pap., 2021)

Utilizing Blockchain and Distributed Storage to Enhance Security and Privacy in the IoT Ecosystem. - Md. Mamunur Rashid; Piljoo Choi; Suk-Hwan Lee; Kyung Youn Kim; Ki-Ryong Kwon (GCAIoT, 2022)

A Blockchain-Based approach in Healthcare Supply Chain using Smart Contracts and Decentralized Storage Systems. - Md. Mamunur Rashid; Suk-Hwan Lee; Piljoo Choi; Ki-Ryong Kwon (GoodIT, 2022)

Lightweight and Low-Latency AES Accelerator Using Shared SRAM. - Jaeseong Lee 005; Piljoo Choi; Dong Kyue Kim (IEEE Access, 2022)

Block-HPCT: Blockchain Enabled Digital Health Passports and Contact Tracing of Infectious Diseases like COVID-19. - Md. Mamunur Rashid; Piljoo Choi; Suk-Hwan Lee; Ki-Ryong Kwon (Sensors, 2022)

Architectural Supports for Block Ciphers in a RISC CPU Core by Instruction Overloading. - Piljoo Choi; Won Bae Kong; Ji-Hoon Kim 003; Mun-Kyu Lee; Dong Kyue Kim (IEEE Trans. Computers, 2022)

Lightweight ECC Coprocessor With Resistance Against Power Analysis Attacks Over NIST Prime Fields. - Piljoo Choi (IEEE Trans. Circuits Syst. II Express Briefs, 2022)

Ensuring Privacy and Security of IoT Networks Utilizing Blockchain and Federated Learning. - Md. Mamunur Rashid; Piljoo Choi; Suk-Hwan Lee; Jan Platos; Young Huh; Ki-Ryong Kwon (FiCloud, 2023)

Lightweight Polynomial Multiplication Accelerator for NTRU Using Shared SRAM. - Piljoo Choi; Dong Kyue Kim (IEEE Trans. Circuits Syst. II Express Briefs, 2023)

Lightweight Elliptic Curve Cryptography Accelerator Over 25519 Curves. - Piljoo Choi; Dong Kyue Kim (IEEE Access, 2025)

High-Performance NTRU Accelerator Using a Direct Memory Access Controller. - Seon Bhin Kim; Piljoo Choi; Dong Kyue Kim (IEEE Access, 2025)

MEViT: Generalization of Deepfake Detection With Meta-Learning EfficientNet Vision Transformer. - Van-Nhan Tran; Hoanh-Su Le; Piljoo Choi; Suk-Hwan Lee; Ki-Ryong Kwon (IEEE Open J. Comput. Soc., 2025)