//done signature; now test sig-verification:
{
// Configure the Validator
WSSConfig wssConfig = WSSConfig.getNewInstance();
KerberosTokenValidator validator = new KerberosTokenValidator();
validator.setContextName("bob");
validator.setServiceName("bob@service.ws.apache.org");
wssConfig.setValidator(WSSecurityEngine.BINARY_TOKEN, validator);
WSSecurityEngine secEngine = new WSSecurityEngine();
secEngine.setWssConfig(wssConfig);
CallbackHandler callbackHandler = new CallbackHandler() {