| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent impersonation by a third person, and to achieve high level user authentication by using a one-time password. <P>SOLUTION: An authentication device 3 includes: a generation means 31 which generates an one-time password by receiving an one-time password generation request from a first terminal 1, and transmits the generated one-time password to the first terminal 1, and stores it in an authentication storage means 35; and an authentication means 32 which receives the one-time password input from the second terminal 6 from a task device 4, and authenticates whether or not the received one-time password is matched with the one-time password stored in the authentication storage means 35, and the task device 4 includes: a request accepting means 41 which, when receiving the one-time password from the second terminal 6, transmits the one-time password to the authentication device 3; and a task processing means 42 which, when the authentication of the one-time passwords succeeds, provides prescribed task processing to the second terminal 6. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
