Mobile User Authentication Scheme Based on Minesweeper Game. - Taejin Kim; Siwan Kim; Hyunyi Yi; Gunil Ma; Jeong Hyun Yi (MUE, 2013)

Elastic password authentication scheme using the Passcell-based virtual scroll wheel. - Hyunyi Yi; Siwan Kim; Gunil Ma; Jeong Hyun Yi (Int. J. Comput. Math., 2013)