An Improved Secure Authenticated Group Key Agreement Protocol for WMNs. - Zhen-Ai Jin; Geum-Dal Park; Kee-Young Yoo (ALPIT, 2008)

Wireless Sensor Network Protocols for Secure and Energy-Efficient Data Transmission. - Sang-Eon Lee; Sang-Ho Shin; Geum-Dal Park; Kee-Young Yoo (CISIM, 2008)

A Virtual Three-Dimension Cellular Automata Pseudorandom Number Generator Based on the Moore Neighborhood Method. - Sang-Ho Shin; Geum-Dal Park; Kee-Young Yoo (ICIC (2), 2008)

An Improved Reversible Data Hiding Scheme Based On Neighboring Pixel Differences. - Dae-Soo Kim; Geum-Dal Park; Kee-Young Yoo (MoMM, 2013)

Lossless Codebook-Based Digital Watermarking Scheme with Authentication. - Geum-Dal Park; Dea-Su Kim; Kee-Young Yoo (ITNG, 2014)