| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide an information management method and an information management system capable of preventing leakage of information by managing further properly confidential information such as personal information. <P>SOLUTION: After a user terminal 1 and a mobile terminal 2 are related to each other by a token TK, the mobile terminal 2 encrypts personal information by using public key information of a service provision server 3; a personal information management server 4 records/manages the encrypted personal information by leaving it encrypted; and the service provision server 3 acquires the personal information remaining encrypted from the personal information management server 4 when the personal information is required, and decrypts and utilizes the personal information by using a secret key of the service provision server 3. <P>COPYRIGHT: (C)2007,JPO&INPIT</p> |
