public bool VerifyXmlFile(XmlDocument xmlDocument)
{
if (xmlDocument == null)
{
throw new ArgumentException($"{nameof(xmlDocument)} cannot be null. Please supply a valid xml document");
}
var signedXml = new CustomIdSignedXml(xmlDocument);
var nodeList = xmlDocument.GetElementsByTagName(SignatureElementName, NS2);
var xmlDigitalSignature = (XmlElement)nodeList[0];
if (xmlDigitalSignature == null)
{
return(true);
}
signedXml.LoadXml(xmlDigitalSignature);
// Check the signature and return the result.
return(signedXml.CheckSignature());
}
public void Hack()
{
XmlDocument doc = new XmlDocument();
doc.PreserveWhitespace = true;
doc.Load(@"C:\TMP\cache.xml");
SignedXml sig = new CustomIdSignedXml(doc);
XmlNodeList nodeList = doc.GetElementsByTagName("Signature", "http://www.w3.org/2000/09/xmldsig#");
foreach (XmlElement e in nodeList)
{
sig.LoadXml(e);
Assert.IsTrue(sig.CheckSignature());
}
}
