| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To improve confidentiality of a shot image. <P>SOLUTION: In a storage medium 5, switches 51 for setting key information used for encryption are arranged. A data reader 8 receives a data acquisition request for acquiring a list of image data stored in the storage medium 5 from a user terminal 41, determines whether decryption is carried out using the key information set in the switches 51, and transmits a list of the image data determined to be decodable to the user terminal 41. <P>COPYRIGHT: (C)2011,JPO&INPIT</p> |
