AuthenticatorAssertionResponse


Represents the response from the authenticator during WebAuthn authentication. It contains the cryptographic assertion and client data necessary to verify the credential on the server.

Fields

Name Type Notes

clientDataJSON

String

Base64url-encoded JSON containing the challenge, origin, type, and other client data.

authenticatorData

String

Base64url-encoded binary data containing RP ID hash, flags, counter, and any extension outputs.

signature

String

Base64url-encoded signature over authenticatorData and the hash of clientDataJSON, using the credential’s private key.

userHandle

String

Base64url-encoded user identifier, or null if not provided by the authenticator.