protected void identifierBox_LoggingIn(object sender, OpenIdEventArgs e) { ServiceProviderDescription serviceDescription = new ServiceProviderDescription { TamperProtectionElements = new ITamperProtectionChannelBindingElement[] { new HmacSha1SigningBindingElement() }, }; WebConsumer consumer = new WebConsumer(serviceDescription, Global.OwnSampleOPHybridTokenManager); consumer.AttachAuthorizationRequest(e.Request, "http://tempuri.org/IDataApi/GetName"); }