Can anyone recommend a cheap configurable time-based OTP token device? Ideally something similar to Google's Authenticator Android app that can be given a secret then automatically generates time based RFC-6238 codes but all within a small low powered token device. Also should be cheap to configure (eg via Bluetooth or usb); the secret seed should be secured on the device. Something available in Europe would be ideal.
You could easily program a pi-zero or other mini to accept the otp text format using something like these<p><a href="https://www.passwordstore.org/" rel="nofollow">https://www.passwordstore.org/</a>
<a href="https://github.com/tadfisher/pass-otp" rel="nofollow">https://github.com/tadfisher/pass-otp</a><p>Then to insert the pass... something like this to convert from QRCode if text format isn't available:<p>zbarimg -q --raw /tmp/canvas.png | pass otp insert some-new-otp<p>to retrieve<p>pass otp some-new-otp -c