19 August 2019
Google is adding support for fingerprint authentication for signing into Google websites and services on Chrome for Android. This new update eliminates the need for using passwords every time you want to login to a website. It is worth noting that this particular feature is currently supported by only on Google's websites/services and is exclusive to devices running Android 7.0 Nougat or higher.
This new addition is essentially an extension of Google Pay fingerprint authentication service. To make use of this, you will need to have Google Chrome with your personal Google account signed into the device. You will also have to enable a valid screen lock on your Android device. The next step is to visit the Google Password Manager website meant for managing and viewing all the passwords saved with Google.
Tapping on any of the website or service listed over there will show you a prompt asking you to verify that it is you. This is where you will be able to make use of fingerprint scanner for authenticating yourself. The functionality has already started to appear on Pixel devices and will be coming to all other compatible Android devices in coming days.
Google further added that while using the new method, no fingerprint data is shared with Google servers. The authentication data is stored locally on the Android device and the only thing that Google receives is a cryptographic proof that you have scanned the right fingerprint. The whole authentication process is based on FIDO2 and WebAuthn protocol.