internal static bool VerifyXML(string xml)
{
XmlDocument env = new XmlDocument();
env.PreserveWhitespace = true;
env.LoadXml(xml);
string soapNs = env.DocumentElement.NamespaceURI;
XmlNamespaceManager xmlnm = new XmlNamespaceManager(env.NameTable);
xmlnm.AddNamespace("s", soapNs);
xmlnm.AddNamespace("def", "http://www.w3.org/2000/09/xmldsig#");
xmlnm.AddNamespace("h", UserNamespace);
XmlElement ele = (XmlElement)env.SelectSingleNode("/s:Envelope/s:Header/h:signature/def:Signature", xmlnm);
if (ele == null)
{
return(false);
}
NehtaSignedXml signedXml = new NehtaSignedXml(env);
signedXml.LoadXml(ele);
bool answer = signedXml.CheckSignature();
return(answer);
}
internal XmlElement Sign(XmlElement element, X509Certificate2 signingCertificate, List <string> references)
{
XmlDocument xmlDoc = new XmlDocument();
// xmlDoc.LoadXml(element.ToString(SaveOptions.DisableFormatting));
xmlDoc.LoadXml(element.OuterXml);
// Create the signature object
NehtaSignedXml signedXml = new NehtaSignedXml(xmlDoc);
signedXml.SigningKey = signingCertificate.PrivateKey;
// Specify the canonicalization method
signedXml.Signature.SignedInfo.CanonicalizationMethod = SignedXml.XmlDsigExcC14NTransformUrl;
// Specify the signature method
signedXml.Signature.SignedInfo.SignatureMethod = SignedXml.XmlDsigRSASHA1Url;
// Add all the signing references
foreach (string signReferenceId in references)
{
Reference reference = new Reference();
reference.Uri = "#" + signReferenceId;
reference.DigestMethod = SignedXml.XmlDsigSHA1Url;
// Add the transform
XmlDsigExcC14NTransform transform = new XmlDsigExcC14NTransform();
reference.AddTransform(transform);
// Add the reference
signedXml.AddReference(reference);
}
// Calculate the signature
signedXml.ComputeSignature();
// Add the key information to the signature
signedXml.KeyInfo = new KeyInfo();
signedXml.KeyInfo.AddClause(new KeyInfoX509Data(signingCertificate));
// Return the signature
return(signedXml.GetXml());
}
