Subject: Unable to Generate XML Signature
Date: 2015-09-28 13:29:41
From: Bebins v
Source: unable-generate-xml-signature
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	[code lang='c#']

	protected void BtnSample_Click(object sender,EventArgs e)

	        {

	            try

	            {

	              string  ConsumerServiceUrl = "https://enroll.aflac.com/AWESDirector.aspx";

	                // Extract the SP target url.

	              string targetUrl = "localhost:49485/sendxml.aspx";

	

	                // Validate it.

	                if (string.IsNullOrEmpty(targetUrl))

	                {

	                    return;

	                }

	

	                // Create a SAML response object.

	                ComponentPro.Saml2.Response samlResponse = new ComponentPro.Saml2.Response();

	                // Assign the consumer service url.

	                samlResponse.Destination = ConsumerServiceUrl;

	                Issuer issuer = new Issuer(GetAbsoluteUrl("~/"));

	                samlResponse.Issuer = issuer;

	                samlResponse.Status = new Status(SamlPrimaryStatusCode.Success, null);

	

	                Assertion samlAssertion = new Assertion();

	                samlAssertion.Issuer = issuer;

	

	                // Use the local user's local identity.

	                Subject subject = new Subject(new NameId(User.Identity.Name));

	                SubjectConfirmation subjectConfirmation = new SubjectConfirmation(SamlSubjectConfirmationMethod.Bearer);

	                SubjectConfirmationData subjectConfirmationData = new SubjectConfirmationData();

	                subjectConfirmationData.Recipient = ConsumerServiceUrl;

	                subjectConfirmation.SubjectConfirmationData = subjectConfirmationData;

	                subject.SubjectConfirmations.Add(subjectConfirmation);

	                samlAssertion.Subject = subject;

	

	                // Create a new authentication statement.

	                AuthnStatement authnStatement = new AuthnStatement();

	                authnStatement.AuthnContext = new AuthnContext();

	                authnStatement.AuthnContext.AuthnContextClassRef = new AuthnContextClassRef(SamlAuthenticationContext.Password);

	                samlAssertion.Statements.Add(authnStatement);

	

	                // If you need to add custom attributes, uncomment the following code

	                #region Custom Attributes

	                AttributeStatement attributeStatement = new AttributeStatement();

	                attributeStatement.Attributes.Add(new ComponentPro.Saml2.Attribute("SSN", SamlAttributeNameFormat.Basic, null,

	                "12345678"));

	                attributeStatement.Attributes.Add(new ComponentPro.Saml2.Attribute("FirstName", SamlAttributeNameFormat.Basic, null,

	                "Bebins"));

	                attributeStatement.Attributes.Add(new ComponentPro.Saml2.Attribute("lastname", SamlAttributeNameFormat.Basic, null,

	                "VelMurugan"));

	

	                // Insert a custom token key to the SAML response.

	                attributeStatement.Attributes.Add(new ComponentPro.Saml2.Attribute("CustomTokenForVerification", SamlAttributeNameFormat.Basic, null,

	                "BEBQFRT"));

	

	                samlAssertion.Statements.Add(attributeStatement);

	                #endregion

	

	

	                // Define ENCRYPTEDSAML preprocessor flag if you wish to encrypt the SAML response.

	#if ENCRYPTEDSAML

	    // Load the certificate for the encryption.

	    // Please make sure the file is in the root directory.

	    X509Certificate2 encryptingCert = new X509Certificate2(Path.Combine(HttpRuntime.AppDomainAppPath, "X509Certificate.cer"), "password");

	

	    // Create an encrypted SAML assertion from the SAML assertion we have created.

	    EncryptedAssertion encryptedSamlAssertion = new EncryptedAssertion(samlAssertion, encryptingCert, new System.Security.Cryptography.Xml.EncryptionMethod(SamlKeyAlgorithm.TripleDesCbc));

	

	    // Add encrypted assertion to the SAML response object.

	    samlResponse.Assertions.Add(encryptedSamlAssertion);

	#else

	                // Add assertion to the SAML response object.

	                samlResponse.Assertions.Add(samlAssertion);

	#endif

	

	                // Get the previously loaded certificate.

	                X509Certificate2 x509Certificate = new X509Certificate2(Path.Combine(HttpRuntime.AppDomainAppPath, "Aflac.cer"), "password");

	               // X509Certificate2 x509Certificate = (X509Certificate2)Application[Global.CertKeyName];

	

	                // Sign the SAML response with the certificate.

	                samlResponse.Sign(x509Certificate);

	

	                // Send the SAML response to the service provider.

	                samlResponse.SendHttpPost(Response.OutputStream, ConsumerServiceUrl, targetUrl);

	            }

	

	            catch (Exception exception)

	            {

	                Trace.Write("IdentityProvider", "An Error occurred", exception);

	            }

	        }

	

	        private string GetAbsoluteUrl(string relativeUrl)

	        {

	            Uri u = new Uri(Request.Url, ResolveUrl(relativeUrl));

	            return u.ToString();

	        }

	[/code]

	 

	When i run the above code it says "Unable to generate XML Signature" , Please guide me regarding this

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