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hpr3231 :: USB Key

Turn a Thumb drive into a Key to lock/unlock your linux machine.

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Hosted by ToeJet on 2020-12-21 is flagged as Clean and is released under a CC-BY-SA license.
security, usb. 1.
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Duration: 00:02:00

Privacy and Security.

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Script and instruction at

  • Combo of
    • Perl for Installation,
    • ssh-keygen for key exchange.
    • udev for actions
    • bash for locking/unlocking/key checking.
  • udev add/remove/change events
    • add event does not allow access to drive
    • change event was not allowing unlock.

Compromise was unlock, then lock if key check fails.


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Comment #1 posted on 2020-12-29 16:56:51 by Windigo

Great technique

This technique seems like a great way to allow my loved ones to have an emergency "skeleton key" for all of my computers... in case that hypothetical "bus" ever shows up.

Thanks so much for the tip!

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