}
	if len(certs) != 1 {
		return fmt.Errorf("error reading CA cert file %q: expected 1 certificate, found %d", p.caLoader.Name(), len(certs))
	}

	key, err := keyutil.ParsePrivateKeyPEM(keyPEM)
	if err != nil {
		return fmt.Errorf("error reading CA key file %q: %v", p.caLoader.Name(), err)
	}
	priv, ok := key.(crypto.Signer)
	if !ok {

	}
	if len(certs) != 1 {
		return fmt.Errorf("error reading CA cert file %q: expected 1 certificate, found %d", p.caLoader.CertFile, len(certs))
	}

	key, err := keyutil.ParsePrivateKeyPEM(keyPEM)
	if err != nil {
		return fmt.Errorf("error reading CA key file %q: %v", p.caLoader.KeyFile, err)
	}
	priv, ok := key.(crypto.Signer)
	if !ok {

}

// verifyKeyData returns true if the provided data appears to be a valid private key.
func verifyKeyData(data []byte) bool {
	if len(data) == 0 {
		return false
	}
	_, err := keyutil.ParsePrivateKeyPEM(data)
	return err == nil
}

func waitForServer(ctx context.Context, cfg restclient.Config, deadline time.Duration) error {
	cfg.NegotiatedSerializer = scheme.Codecs.WithoutConversion()

			return err
		}
	}

	return nil
}

func writeCertOrKey(certOrKeyPath string, certOrKeyData []byte) error {
	if _, err := keyutil.ParsePrivateKeyPEM(certOrKeyData); err == nil {
		return keyutil.WriteKey(certOrKeyPath, certOrKeyData)
	} else if _, err := keyutil.ParsePublicKeysPEM(certOrKeyData); err == nil {
		return certutil.WriteCert(certOrKeyPath, certOrKeyData)

			t.Errorf("error reading certificate from disk: %v", err)
		}
		// Check that the written files are either certificates or keys, and that they have
		// the expected permissions
		if _, err := keyutil.ParsePrivateKeyPEM(diskCertData); err == nil {
			// File permissions are set differently on Windows, which does not match the expectation below.
			if goruntime.GOOS != "windows" {
				if stat, err := os.Stat(certPath); err == nil {

//  3. URLSafe Base64-encoding the sha bytes
const ecdsaKeyID = "SoABiieYuNx4UdqYvZRVeuC6SihxgLrhLy9peHMHpTc"

func getPrivateKey(data string) interface{} {
	key, err := keyutil.ParsePrivateKeyPEM([]byte(data))
	if err != nil {
		panic(fmt.Errorf("unexpected error parsing private key: %v", err))
	}
	return key
}

func getPublicKey(data string) interface{} {