A Study on Partially Homomorphic Encryption. - Jihyeon Ryu; Keunok Kim; Dongho Won (IMCOM, 2023)

An Improved Lightweight User Authentication Scheme for the Internet of Medical Things. - Keunok Kim; Jihyeon Ryu; Youngsook Lee; Dongho Won (Sensors, 2023)

Lightweight Hash-Based Authentication Protocol for Smart Grids. - Sangjin Kook; Keunok Kim; Jihyeon Ryu; Youngsook Lee; Dongho Won (Sensors, 2024)