An Improvement of Remote User Authentication Scheme Using Smart Cards. - Jun-Cheol Jeon; Byung-Heon Kang; Se-Min Kim; Wan-Soo Lee; Kee-Young Yoo (MSN, 2006)

Non-linear and Non-group Cellular Automata for Cryptographic Applications. - Se-Min Kim; Jun-Cheol Jeon; Byung-Heon Kang; Sang-Ho Shin; Kee-Young Yoo (Security and Management, 2007)

The Hiding of Secret Data Using the Run Length Matching Method. - Ki-Hyun Jung; Jae-Gil Yu; Se-Min Kim; Ki-Jong Kim; Jin-Yong Byun; Kee-Young Yoo (KES-AMSTA, 2007)

Palette and Index Change Technique for Steganoraphy Based on an Indexcolor. - Se-Min Kim; Gil-Je Lee; Kee-Young Yoo (ITNG, 2008)

A New Steganography Scheme Based on an Index-Color Image. - Se-Min Kim; Zi-Qiang Cheng; Kee-Young Yoo (ITNG, 2009)