| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a USB encryption device which freely sets, rewrites a PIN code while preventing deletion by mistakes by storing the PIN code in a ROM, also stores required application software while preventing the deletion by mistakes, does not require installation of the application software separately from a CD-ROM, etc. and furthermore, freely stores an encrypted data file on the side of the USB encryption device. <P>SOLUTION: In a USB security device 17, a storage function by a flash memory 25 is added in addition to an encryption module 27, an authentication module 29, a virtual CD-ROM area 25b only for reading data to the flash memory 25 and a removable disk area 25a for freely reading, writing and deleting the data are set. <P>COPYRIGHT: (C)2005,JPO&NCIPI</p> |
