pam_usb provides hardware authentication for Linux using ordinary USB Flash Drives . It works with any application supporting PAM , such as su , any login manager ( GDM , KDM ), etc. The pam_usb package contains:
You can download the current stable release here: pam_usb-0.5.0.tar.gz
Registered users can edit the documentation. Please contribute to the pam_usb project by improving the documentation.