| 摘要 |
PROBLEM TO BE SOLVED: To prevent third parties from stealing the passwords by looking at how the users move their fingers and arms while keeping the quality of passwords easy for the users to memorize, and also to prevent the third parties from misusing the passwords even if the third parties figure out the passwords through memos, the Internet, or the like. SOLUTION: An authentication device 1 includes: a display input device 3 that displays plural number keys and respectively obtains numerical values of the plural number keys, which are entered simultaneously via the number keys; a calculating section 9 that determines an input password by calculating, in accordance with a prescribed calculation method, by using the plural numerical values entered into the display input device 3; and a password verifying section 10 that verifies the input password determined by the calculating section 9 against a predetermined verification password. COPYRIGHT: (C)2009,JPO&INPIT |
