// Mock up message context
MessageImpl msg = new MessageImpl();
WrappedMessageContext msgCtx = new WrappedMessageContext(msg);
msgCtx.put(
SecurityContext.class.getName(),
createSecurityContext(new CustomTokenPrincipal("alice"))
);
WebServiceContextImpl webServiceContext = new WebServiceContextImpl(msgCtx);
// Now add Entropy
BinarySecretType binarySecretType = new BinarySecretType();