SecurityEnvironment secEnv = new DefaultSecurityEnvironmentImpl(callbackHandler);
KeyValue keyValue = keyInfoHb.getKeyValue(0);
keyValue.getElement().normalize();
kek = secEnv.getPrivateKey(null, keyValue.getPublicKey(), false);
} else if (keyInfoHb.containsX509Data()) {
kek = processX509Data(keyInfoHb, callbackHandler);
}
else{
throw new XWSSecurityException("Unsupported Key Information");
}