PASSWORD INPUT SYSTEM USING TWO ALPHA-NUMERIC MATRIX AND PASSWORD INPUT METHOD USING THE SAME

摘要

PURPOSE: A password input system and a method using two alphanumeric matrixes defending key logging attack and shoulder surfing attack are provided to defense a shoulder surfing attack by inputting the password after moving a user definition value of a first alphanumeric matrix. CONSTITUTION: An alphanumeric matrix moving module(210) is included in a first alphanumeric matrix. The alphanumeric matrix moving module moves each password to a user definition value. A password input checking module(230) confirms the password which is carried to the first alphanumeric matrix and in which the second alphanumeric matrix is inputted.