return err
	}
	if err := hs.readServerFinished(); err != nil {
		return err
	}
	if err := hs.sendClientCertificate(); err != nil {
		return err
	}
	if err := hs.sendClientFinished(); err != nil {
		return err
	}
	if _, err := c.flush(); err != nil {
		return err
	}

	if hs.echContext != nil && hs.echContext.echRejected {
		c.sendAlert(alertECHRequired)