context.setUsernameTokenBinding(null);
} else {
usernameTokenBinding =(AuthenticationTokenPolicy.UsernameTokenBinding)keyBinding;
}
signingKey = usernameTokenBinding.getSecretKey();
builder = new UsernameTokenBuilder(context,usernameTokenBinding);
BuilderResult untResult = builder.process();
untResult.setDataProtectionKey(signingKey);
return untResult;
} else if(PolicyTypeUtil.x509CertificateBinding(keyBinding)) {