apt-get install libpam0g-dev
apt-get install libssl-dev
apt-get install libncurses5-dev
apt-get install libreadline5-dev

apt-get install subversion libhal-storage-dev libxml2-dev python-celementtree python-dbus python-gobject

svn co https://pamusb.svn.sourceforge.net/svnroot/pamusb pamusb

make
make install

pamusb-conf --add-device MyDevice

vi /etc/pamusb.conf
pamusb-check -a -u root -s su --- WORKS

vi /etc/pam.d/common-auth --- add pamusb.so
vi /etc/pam.d/su and sudo and gnome-screensaver

System -> Preferences -> Sessions -> Startup Programs: add pamusb-agent

  500  tail -f auth.log debug kern.log messages syslog user.log