// waiting for the client's second flight, but the application might not
	// expect the lack of replay protection of the ClientHello parameters.
	if _, err := c.flush(); err != nil {
		return err
	}
	if err := hs.readClientCertificate(); err != nil {
		return err
	}
	if err := hs.readClientFinished(); err != nil {
		return err
	}

	c.isHandshakeComplete.Store(true)

	return nil
}