func (v *PeerCertVerifier) VerifyPeerCert(rawCerts [][]byte, _ [][]*x509.Certificate) error {
	if len(rawCerts) == 0 {
		// Peer doesn't present a certificate. Just skip. Other authn methods may be used.
		return nil
	}
	var peerCert *x509.Certificate
	intCertPool := x509.NewCertPool()
	for id, rawCert := range rawCerts {
		cert, err := x509.ParseCertificate(rawCert)
		if err != nil {
			return err
		}

	sentinelErr := errors.New("TestVerifyPeerCertificate")

	verifyPeerCertificateCallback := func(called *bool, rawCerts [][]byte, validatedChains [][]*x509.Certificate) error {
		if l := len(rawCerts); l != 1 {
			return fmt.Errorf("got len(rawCerts) = %d, wanted 1", l)
		}
		if len(validatedChains) == 0 {
			return errors.New("got len(validatedChains) = 0, wanted non-zero")
		}

			}
			clientConfig.VerifyPeerCertificate = func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
				clientVerifyPeerCertificates = true
				return nil
			}
			serverConfig.VerifyConnection = func(cs ConnectionState) error {
				serverVerifyConnection = true
				return nil
			}
			serverConfig.VerifyPeerCertificate = func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {

		Certificates: []tls.Certificate{cert},
		ClientAuth:   tls.VerifyClientCertIfGiven,
		ClientCAs:    peerCertVerifier.GetGeneralCertPool(),
		VerifyPeerCertificate: func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
			err := peerCertVerifier.VerifyPeerCert(rawCerts, verifiedChains)
			if err != nil {
				log.Infof("Could not verify certificate: %v", err)
			}
			return err
		},
		MinVersion: tls.VersionTLS12,
	}))

		ClientAuth:     tls.VerifyClientCertIfGiven,
		ClientCAs:      peerCertVerifier.GetGeneralCertPool(),
		VerifyPeerCertificate: func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error {
			err := peerCertVerifier.VerifyPeerCert(rawCerts, verifiedChains)
			if err != nil {
				log.Infof("Could not verify certificate: %v", err)
			}
			return err
		},
		MinVersion:   tls.VersionTLS12,

	// rawCerts may be empty on the server if ClientAuth is RequestClientCert or
	// VerifyClientCertIfGiven.
	//
	// This callback is not invoked on resumed connections, as certificates are
	// not re-verified on resumption.
	//
	// verifiedChains and its contents should not be modified.
	VerifyPeerCertificate func(rawCerts [][]byte, verifiedChains [][]*x509.Certificate) error