| 摘要 |
There is provided a password management device, password management method, and password management program to carry out secure logon. The management device includes: a first password storage region 41 ; a second password storage region 42 ; a password state information storage region 43 that stores each of states of passwords as password state information; a wireless communication section 32 that performs reading from the first password storage region 41 and the second password storage region 42 and performs reading from and writing into the password state information storage region 43 , in accordance with an instruction from a PC 2 via wireless communication with a reader/writer 23 ; and a contactless IC card control section 12 that generates a new password if a change of a password registered in the PC 2 to a new password is determined to be necessary, and writes the new password into a storage region different from another storage region of the registered password.
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