CircuitPython 2FA TOTP Authentication Friend @ Adafruit Learning System.
Having 2 Factor Authentication on all your accounts is a good way to keep your data more secure. With 2FA logins, not only is a username and password needed, but also a one-time-use code. There’s a few different ways to get that code, such as by email, phone or SMS. But my favorite way is to do it is via a ‘Google Authenticator’ time-based OTP (one time password), also known as a TOTP.
Using an app on your phone like Authy or Authenticator, you set up a secret given to you by the service, then every 30 seconds, a new code is generated for you. What’s extra nice is that the Google Authenticator protocol is supported by just about every service and phone/tablet
Learn more.
Ladyada does not own a phone, this is clever.
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