Patent ID: 7240367
Filing Date: 2007-07-03
Classification: G06F,G07F

Abstract:
1. A password system comprising: display means for displaying a matching symbol board on which there are arranged and displayed a plurality of symbols including a real matching symbol, which is a standard of matching, and several virtual matching symbols, which are provided for concealing the real matching symbol, and a password symbol board on which there are arranged and displayed a plurality of symbols including a real password symbol, which is to be matched with the real matching symbol, and several virtual password symbols, which are provided for concealing the real password symbol; symbol creating means for creating symbol groups to be displayed on the matching symbol board and the password symbol board; display control means for receiving information about the symbol groups created by the symbol creating means, and for arranging and displaying the received information on the matching symbol board and the password symbol board; matching means for matching the real matching symbol and the real password symbol; matching symbol processing means for creating a matched symbol group when several symbols arranged on the matching symbol board and the password symbol board are matched by means of the matching means, and for outputting the matched symbol group; a memory for storing authenticating reference information; and authentication processing means for receiving the matched symbol group outputted by the matching symbol processing means, and for allowing or denying a user access to a main system by determining whether the real password symbol is matched with the real matching symbol included in the matched symbol group inputted on the basis of the authenticating reference information.