public XDocument Sign()
{
using (var key = new RSACryptoServiceProvider(_keyParameters))
{
var document = this.ToXmlDocument();
var signer = new SignaturePropertiesSignedXml(document, _signatureId, _propertiesId)
{
SigningKey = key
};
var reference = new Reference(string.Empty);
reference.AddTransform(new XmlDsigEnvelopedSignatureTransform());
signer.AddReference(reference);
if (SignatureProperties?.Any() == true)
{
signer.AddSignatureProperties(SignatureProperties.Select(x => x.SetNamespace(_propertyNs).ToXmlElement()));
}
signer.ComputeSignature();
var signature = document.ImportNode(signer.GetXml(), true);
document.DocumentElement?.AppendChild(signature);
return(document.ToXDocument());
}
}
public static bool Verify(XDocument document)
{
var xmlDocument = document.ToXmlDocument();
var signer = new SignaturePropertiesSignedXml(xmlDocument, _signatureId, _propertiesId);
var nodeList = xmlDocument.GetElementsByTagName(@"Signature");
signer.LoadXml((XmlElement)nodeList[0]);
using (var key = new RSACryptoServiceProvider(_keyParameters))
return(signer.CheckSignature(key));
}