| 摘要 |
The scanner apparatus incorporating a scanner section, a printer section, an operator panel section, a storage section, a network communication section and a processing section is connected to various terminal units, such as a client terminal, via a network. This scanner apparatus is operable, when data is stored in a box, to generate a common key on a data-by-data basis so as to encrypt the entire data using the common key, and then encrypt only the common key using a public key assigned to each box. The present invention can provide means for use in a network system where an image processing apparatus and others are connected to each other via a network, to allow digital data, such as document data or image data, to be encrypted/decrypted without deterioration in processing speed and processing efficiency. |
