| 摘要 |
<P>PROBLEM TO BE SOLVED: To form a virtual FD device in a hard disk area when no actual FD device is equipped, making the virtual FD device accessible like an actual FD device, while protecting data on the virtual FD device by preventing unauthorized use. <P>SOLUTION: A virtual FD device 22 is formed in an area of a hard disk device 20 and made accessible like an actual FD device 14. SG information 13 is recorded with key information on access such as device name, FD media name, comment, creation date, onerous key, hardware identification number, password, protect, etc. as virtual FD information. An FD management part 21 controls access to the virtual FD device by using the virtual FD information for data protection. <P>COPYRIGHT: (C)2012,JPO&INPIT |
