USB "thumbdrives" with fingerprint detection

[Bruce Dawson]

Does anyone know if Linux supports these? (And if so, which brands)?

Also, does anyone know what mechanism is used? I can think of 2:

      * Fingerprint is used to encrypt/decrypt data on the drive.
      * Fingerprint is used to allow access to the drive (and nothing on
        the drive is encrypted).

Obviously, the former is desired, but I can think of lots of Trade
Restrictions it would interfere with.

--Bruce
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