private bool ValidateX509CertificateSignature(XmlDocument SAMLResponse)
{
XmlNodeList XMLSignatures = SAMLResponse.GetElementsByTagName("Signature", "http://www.w3.org/2000/09/xmldsig#");
// Checking If the Response or the Assertion has been signed once and only once.
if (XMLSignatures.Count != 1)
{
return(false);
}
SignedXml SignedSAML = new SignedXml(SAMLResponse);
SignedSAML.LoadXml((XmlElement)XMLSignatures[0]);
// Get X509 Certificate from Cert Store
X509Certificate2 SigningCert = CertificateUtility.GetCertificateForSigning("DodgeDerek", StoreName.Root, StoreLocation.LocalMachine);
return(SignedSAML.CheckSignature(SigningCert, true));
}