| 摘要 |
PROBLEM TO BE SOLVED: To prevent shoulder hacking, or the like satisfactorily. SOLUTION: Display position specification information that can specify a correct answer display position selected by a person to be authenticated is associated with person to be authenticated identification information and stored in advance, a normal screen in which an inputting symbol is displayed at a correct answer display position of the person to be authenticated is specified in accordance with the reception of the person to be authenticated identification information, a dummy screen with a predetermined inoperable symbol displayed is generated at the correct answer display position, corresponding to the normal screen, the display sequence of the specified normal screen and dummy screen is decided, they are sequentially displayed, and the correct answer display position with the inputting symbol displayed or an input at the correct answer display position is received for verification to perform identity authentication. COPYRIGHT: (C)2010,JPO&INPIT |
