Secure Group Communications over Combined Wired/Wireless Networks. - Junghyun Nam; Seungjoo Kim; Hyungkyu Yang; Dongho Won (IACR Cryptol. ePrint Arch., 2004)

A Method for Deciding Quantization Steps in QIM Watermarking Schemes. - Yunho Lee; Kwang-Woo Lee; Seungjoo Kim; Dongho Won; Hyungkyu Yang (EUC Workshops, 2005)

Practical and Provably-Secure Multicasting over High-Delay Networks. - Junghyun Nam; Hyunjue Kim; Seungjoo Kim; Dongho Won; Hyungkyu Yang (International Conference on Computational Science (2), 2005)

Efficient RFID Authentication Protocol for Minimizing RFID Tag Computation. - Keunwoo Rhee; Jin Kwak; Wan S. Yi; Chanho Park; Sangjoon Park; Hyungkyu Yang; Seungjoo Kim; Dongho Won (ICHIT, 2006)

Attacking and Improving on Lee and Chiu's Authentication Scheme Using Smart Cards. - Youngsook Lee; Hyungkyu Yang; Dongho Won (ISPEC, 2010)

Cryptanalysis of Enhanced Biometric-Based Authentication Scheme for Telecare Medicine Information Systems Using Elliptic Curve Cryptosystem. - Jongho Mun; Jiseon Yu; Jiye Kim; Hyungkyu Yang; Dongho Won (CSA/CUTE, 2015)

Improvement of Biometrics and Smart Cards-based Authentication Scheme for Multi-Server Environments. - Jongho Moon; Jiseon Yu; Hyungkyu Yang; Dongho Won (IMCOM, 2016)

Cryptanalysis of Lightweight User Authentication Scheme Using Smartcard. - Dongwoo Kang; Jaewook Jung; Hyungkyu Yang; Younsung Choi; Dongho Won (AHFE (9), 2017)

Improvement of user authentication scheme preserving uniqueness and anonymity for connected health care. - Jongho Moon; Hyungkyu Yang; Youngsook Lee; Dongho Won (IMCOM, 2017)

A High Isolation 4 by 4 MIMO Antenna for LTE Mobile Phones using Coupling Elements. - Wonwoo Lee; Hyungkyu Yang; Beakcheol Jang (KSII Trans. Internet Inf. Syst., 2017)

Improvement on a Biometric-Based Key Agreement and Authentication Scheme for the Multi-server Environments. - Jongho Moon; Youngsook Lee; Hyungkyu Yang; Hakjun Lee; Sewan Ha; Dongho Won (ICCSA (1), 2018)

Cryptanalysis of a privacy-preserving and provable user authentication scheme for wireless sensor networks based on Internet of Things security. - Jongho Moon; Youngsook Lee; Hyungkyu Yang; Taeui Song; Dongho Won (ICOIN, 2018)

A High-Isolation MIMO Antenna with Dual-Port Structure for 5G Mobile Phones. - Hyungkyu Yang; Wonwoo Lee; Byung-Ho Rhee (KSII Trans. Internet Inf. Syst., 2018)