| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide password determination technology that enhances security while reducing introduction cost and burden on a user. <P>SOLUTION: In the password determination device 10, a plurality of character information arranged in a predetermined sequence are displayed on the input screen display device 20, and as a background of the character information, predetermined background image information selected from a plurality of background image information is displayed on the input screen display device 20, and an input button sequence formed by arranging a plurality of input buttons displaying the background image information as the background of the character information is displayed on the input screen display device 20. In the input screen display device 20, the input button in the displayed input button sequence is selected by the user, and the password showing the character information and the image information is input. The password determination device 10 determines whether the input password coincides with the password stored in advance or not. <P>COPYRIGHT: (C)2010,JPO&INPIT</p> |
