docs: public int initPKCS11(PKCS11Configuration configuration, String kspassword)
  		throws IOException, KeyStoreException,
  			CertificateException, NoSuchAlgorithmException,
  			ClassNotFoundException, SecurityException, NoSuchMethodException,
  			IllegalArgumentException, InstantiationException,
  			IllegalAccessException, InvocationTargetException {
  
  		if (!isProviderAvailable(PKCS11_PROVIDER_TYPE)) {
  			return -1;
  		}
  
  		Provider pkcs11 = createPKCS11Provider(configuration);
  
          Security.addProvider(pkcs11);
  
  		// init the key store
  		KeyStore ks = getPKCS11KeyStore(pkcs11.getName());
  		ks.load(null, kspassword == null ? null : kspassword.toCharArray());
  		return addKeyStore(ks, "PKCS#11: " + configuration.getName(), ""); // do not store pin code
  	}