| 摘要 |
<p>In a portable terminal device (100), an input receiving section (110) acquires a password, biometric information, and face image data from a camera (100a) and an input device (100b), and an authentication processing section (120) updates to-be-updated face image information included in an identification certificate data (140a) to the acquired face image information. The updating is made based on the result of determination made for the password by a server, biometric information, face image data, the identification certificate data (140a), and the face image information that are acquired from the input receiving section (110).</p> |
