Web platform features explorer - Web authentication easy public key access

The getAuthenticatorData(), getPublicKey(), and getPublicKeyAlgorithm() methods of AuthenticatorAttestationResponse access credential data inside attestationObject without the need to parse it.

Status

Baseline Newly Available (since 2023-10-24)

This feature is expected to reach Baseline Widely Available status on: 2026-04-24

MDN documentation

AuthenticatorAttestationResponse

Specifications

Web Authentication: An API for accessing Public Key Credentials - Level 3 (#sctn-public-key-easy), from Web Authentication Working Group (W3C).

Browser support

Chrome 85 Released on 2020-08-25
Chrome Android 85 Released on 2020-08-25
Edge 85 Released on 2020-08-27
Firefox 119 Released on 2023-10-24
Firefox for Android 119 Released on 2023-10-24
Safari 16 Released on 2022-09-12
Safari on iOS 16 Released on 2022-09-12

Usage (according to Chrome Platform Status)

~0.000% of page loads. More data at chromestatus.

Web Platform Tests (WPT)

View the latest WPT test results for this feature

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