Portable Use
Unlike most disk encryption systems, FreeOTFE can be used in "portable mode", which allows it to be kept on a USB drive or other portable media, together with its encrypted data, and carried around. This allows it to be used under Microsoft Windows without installation of the complete program to "mount" and access the encrypted data through a virtual disk.
In common with other disk encryption systems which offer a "portable" (or "traveller") mode, the use of this mode requires installing device drivers (at least temporarily) to create virtual disks, and as a consequence administrator rights are needed to start this traveller mode. Like most open source software which uses device drivers the user must enable test signing when ran under Windows Vista x64 and Windows 7 x64 systems.
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