| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve a problem associated with a crime prevention camera storing images in encryption for protecting privacy, the problem that the camera cannot support a mode of operation in which browsing of an image requires a consent of three parties or more for protecting the privacy as the proprietor of the camera cannot reproduce an image, requiring two parties to be able to browse the image, that is, first, the proprietor of the camera and second, a party having means for reproduction. <P>SOLUTION: A camera includes plural encryption devices serially interconnected. Additionally to the proprietor of the camera, two parties required to give consent to browsing an image prepare respective encryption keys A (16) and B (17) so that captured images are sequentially encrypted by the respective keys. Browsing the images will only be enabled by the proprietor providing the image data, and provision of the keys A and B for decryption. <P>COPYRIGHT: (C)2012,JPO&INPIT |
