dimanche 28 février 2021

Open and send data to authentication app from website

What is the question?

Would it be possible to send otp setup info (name, secret) to the installed authentication app (Google authenticator or Authy) via a universal link or something else?

What is the goal here?

Imagine this scenario where user wants to activate the 2FA on a website.
The available options are that:

  1. User copy the secret and then paste it into the auth app
  2. User scan the QR code with the auth app

However, we want a third option, where the user just clicks a button and the authentication app opens up automatically with prefilled data.

Requirements of the perfect solution

  1. It must works on both android and ios (If it works on desktop as well, it would be awesome)
  2. Preferably it should work for both Google authenticator and Authy
  3. Preferably it shouldn't be limited to PWA websites

Almost a similar question for android

Intent to Open Google Authenticator




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