Stumbled across this project on using USB thumb drives for authentication. Basically it sounds like it makes a quazi smartcard out of it. Not positive yet, its something on my radar to tinker with, but not too promising on my list. The “packages” I can install in linux do not work. And the source code does not allow for easy compiling/configuring. So…its not looking too go sofar. But who knows what the future may hold.
Read up on it below