| 摘要 |
A photographic subject authenticating device, a portable telephone, a photographic subject authenticating method and a photographic subject authenticating program are able to improve reliability of security with respect to disguise, and restrain electric power consumption. A controller of a photographic subject authenticating device for performing authentication processing for authenticating a photographic subject based on a photographing a photographic image provided by photographing the photographic subject is constructed so as to execute authentication repeating processing for also repeatedly executing the authentication processing after it is judged as in conformity by the authentication processing; repeating stoppage instruction receiving processing for receiving repeating stoppage instructions for stopping the repetition of the authentication processing by an input device; true and false judgment processing for comparing the received repeating stoppage instructions with normal instructions registered in advance, and making true and false judgments; and repeating stoppage processing for stopping the authentication repeating processing when the judging result of the true and false judgment processing is true.
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