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Have you ever wondered how to enable biometric authentication on the web? This codelab walks you through how to use WebAuthn to implement reauthentication experience on your website using a biometric sensor.
Before you begin
The Web Authentication API, also known as WebAuthn, lets you create and use origin-scoped, public-key credentials to authenticate users.
The API supports the use of BLE, NFC, and USB-roaming U2F or FIDO2 authenticators - also known as security keys - as well as a platform authenticator, which lets users authenticate with their fingerprints or screen locks.
In this codelab, you build a website with a simple reauthentication functionality that uses a fingerprint sensor. Reauthentication protects account data because it requires users who already signed in to a website to authenticate again when they try to enter important sections of the website or revisit the website after a certain amount of time.
- Basic understanding of how WebAuthn works
What you'll do
- Build a website with a simple reauthentication functionality that uses a fingerprint sensor
What you'll need
One of the following devices:
- An Android device, preferably with a biometric sensor
- An iPhone or iPad with Touch ID or Face ID on iOS 14 or higher
- A MacBook Pro or Air with Touch ID on macOS Big Sur or higher
- Windows 10 19H1 or higher with Windows Hello set up
One of the following browsers:
- Google Chrome 67 or higher
- Microsoft Edge 85 or higher
- Safari 14 or higher
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