Data processing apparatus and personal authentication apparatus

A personal authentication apparatus comprising:

• an operating unit which accepts an operation made by a user;
• a detection unit which detects the accepted operation;
• a biometric data acquisition unit which acquires biometric data from a sensor arranged on the operation unit during operation;
• and
• an authentication unit which performs personal authentication processing based on the biometric data acquired, and wherein
• the authentication unit performs the personal authentication processing on condition that the detection unit detects a predetermined operation out of a plurality of types of operations.

A personal authentication apparatus comprising:

• a detection unit which detects a plurality of types of operations in accordance with a finger motion of a user on an operation area;
• a fingerprint image acquisition unit which acquires a fingerprint image as biometric data from a sensor arranged in the operation area, on condition that the finger motion of the user on the operation area makes a predetermined movement;
• and
• an authentication unit which performs personal authentication processing based on the fingerprint image acquired.