A USB drive that stores encrypted data. The encryption may be performed by third-party encryption software or the software that comes usb secure with the drive. In either case, the software is configured to encrypt the data before writing to the drive and decrypt after reading.
Again, the primary difference between the secure usb storage device 100 and conventional USB MSC devices is that the USB secure storage device 100 presents an additional USB HID class interface 135. The USB HID driver 205 provided by the host OS 200 matches to the HID interface 135 of the storage device 100. When the password dialog 250 is launched automatically, or initiated by the end-user, that password application 250 communicates with the USB secure storage device 100 by way of the USB HID driver 205. The dialog preferably uses the USB HID driver 205 and the USB HID interface 135 of the USB Storage device 100 to send the password to unlock the secured drive” area 120.
To those of you interested in installing a bootable OSX or Linux partition, you will want to consider partitioning the disk into two parts. For Linux I recommend about 2-3GB (FAT32), for Mac OS X you’ll need at least a usb security 3GB partition (Mac OS Extended (Journaled)). Those of you interested in installing OSX on your USB stick, it’s usually as easy as creating a partition, and then using the OSX install DVD to install onto that partition.