AuthenticatorAssertionResponse
The AuthenticatorAssertionResponse interface of the Web Authentication API contains a digital signature from the private key of a particular WebAuthn credential. Available only in secure contexts.
Properties
The authenticatorData property of the AuthenticatorAssertionResponse interface returns an ArrayBuffer containing information from the authenticator such as the Relying Party ID Hash (rpIdHash), a signature counter, test of user presence, user verification flags, and any extensions processed by the authenticator.
The clientDataJSON property of the AuthenticatorResponse interface stores a JSON string in an ArrayBuffer, representing the client data that was passed to CredentialsContainer.create() or CredentialsContainer.get().
The signature read-only property of the AuthenticatorAssertionResponse interface is an ArrayBuffer object which is the signature of the authenticator for both AuthenticatorAssertionResponse.authenticatorData and a SHA-256 hash of the client data (AuthenticatorResponse.clientDataJSON).
The userHandle read-only property of the AuthenticatorAssertionResponse interface is an ArrayBuffer object providing an opaque identifier for the given user.