| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To prevent protected data from being carried out to the outside of a computer system through a clip board while securing the convenience of the clip board. <P>SOLUTION: When operation object data stored in a protection object folder 31 are written in a clip board 22 in a main storage device 20, based on access authority to the protection object folder 31, the data are encrypted by using a password associated with the protection object folder 31, and the encrypted data are written in a clip board 22, and when the encrypted data written in the clip board 22 are attached to the file stored in an auxiliary storage device 30, the encrypted data are decoded, and attached to the file. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
