A Password System Using Korean First Phonemes and its Shoulder-Surfing Resistant Input Method

摘要

PURPOSE: A password system using a Hangul initial and a glance prevention inputting method thereof are provided to output other characters which is not a password in a screen in an authentication process, thereby not obtaining the password of a user. CONSTITUTION: A Hangul initial matrix module(210) arranges a Hangul initial as a matrix form in a matrix table including rows and columns and receives a password composed of the Hangul initial for each position defined through rotation of the columns. A password authentication module(220) generates a Hangul initial matrix having a character set which is randomly mixed in the Hangul initial matrix module and performs password authentication through a password character inputted by a user. [Reference numerals] (210) Hangul initial sound matrix generating module; (220) Password authentication module