Forward-Secure Commercial Key Escrow Systems. - Jeeyeon Kim; Seungjoo Kim; Hyunjo Kwon; Sungjae Lee; Sangjoon Park; Dongho Won (WETICE, 2001)

An Improvement of VeriSign's Key Roaming Service Protocol. - Jeeyeon Kim; Hyunjo Kwon; Haeryong Park; Seungjoo Kim; Dongho Won (ICWE, 2003)