| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To solve the problem that information requiring confidentiality may leak to a third person who does not have authority to perform access. <P>SOLUTION: This data management system includes a server device and terminal, and the server device stores a plurality of pieces of information whose confidentiality related with a plurality of individuals should be secured. In the terminal, a reception part receives one piece of information among the plurality of pieces of information from the server device, and an FeRAM temporarily stores one piece of information to be provided for use, and after the use ends, an erasure part performs the reading of one piece of information from the FeRAM without being accompanied by the rewriting of one piece of information in the FeRAM after the reading, and erases one piece of information from the FeRAM. <P>COPYRIGHT: (C)2009,JPO&INPIT</p> |
