One or more credentials whose PRF outputs will each independently unlock the file.
OptionalfilePre-generated file ID (UUID v4). Must be the same UUID passed to
authenticateWithPrf({ fileId }) when obtaining the PRF output.
If omitted, a new UUID is generated — useful only when the PRF was
evaluated during registration (credInfo.prfOutput is present).
Raw bytes to encrypt.
WebAuthn Relying Party ID — typically window.location.hostname.
Options for createLveFile.