| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a secure information management system that can prevent information leakage and alteration of original data. <P>SOLUTION: The information management system 1 has: a management center side electronic apparatus 2, an original database 6 and a management database 7 installed in a management center 100; an electronic archive center side electronic apparatus 3 and a scanning apparatus 8 installed in an electronic archive center 200; and an archive center side electronic apparatus 4 installed in an archive center 300. The scanning apparatus 8 acquires original data from an original owned by a user, and the management center side electronic apparatus 2 generates a plurality of encrypted share data from the original data by a secret sharing scheme and stores them in the original database 6. For the user's view, each share data is read out from the original database 6, and the original data is restored from each share data in the management center side electronic apparatus 2 and sent to a user side electronic apparatus 5. <P>COPYRIGHT: (C)2008,JPO&INPIT</p> |
