AuthenticatorAttestationResponse: getAuthenticatorData() method

Secure context

The getAuthenticatorData() method of the AuthenticatorAttestationResponse interface returns an ArrayBuffer containing the authenticator data contained within the attestationObject property.

This is a convenience function, created to allow easy access to the authenticator data without having to write extra parsing code to extract it from the attestationObject.

Syntax

getAuthenticatorData()

Parameters

None.

Return value

An ArrayBuffer with a byteLength of at least 37 bytes, which contains the data structure explained in Authenticator data.

This will be equivalent to the authenticator data contained within the attestationObject property.

Examples

See Creating a public key credential for a detailed example.

Specifications

Browser compatibility