Tomu is a tiny programmable device that fits in a usb port. One of the available things that can be loaded on it is a totp authenticator http://tomu.im/tomu.htm

Tomu is a tiny programmable device that fits in a usb port. One of the available things that can be loaded on it is a totp authenticator http://tomu.im/tomu.html http://tomu.im/tomu.html