摘要 |
This invention provides a photographic subject authenticating device, a portable telephone, a photographic subject authenticating method and a photographic subject authenticating program able to improve reliability of security with respect to disguise. Therefore, control means for authenticating a photographic subject on the basis of a photographing image provided by photographing the photographic subject by photographing means is constructed so as to repeatedly executing the authentication processing after it is judged as conformity by the authentication processing; and timing determination processing for determining repetitious execution timing so as to become irregular timing. |