| 摘要 |
<P>PROBLEM TO BE SOLVED: To make it hard to steal or alter data in case of a leakage of personal information. <P>SOLUTION: A key management table 127 contains a user ID and a secret key which are related to each other. A user information management table 122 contains encrypted personal information (transfer destination, password, etc.) and a user ID which are related to each other. A storage section 125 stores an instruction which shows processing contents of data and includes a user ID related to a user terminal to which data having been processed are to be transmitted. Equipment selectively performs predetermined instructions stored in the storage section 125. At this point, the encrypted personal information corresponding to the user ID included in an instruction is acquired from the table 122. A secret key corresponding to the user ID is acquired from the key management table 127. Then the encrypted personal information is decrypted with the secret key, and data obtained by performing the instructions are transmitted to the predetermined user terminal relating to the user ID by using the decrypted personal information. <P>COPYRIGHT: (C)2008,JPO&INPIT |
