private static XmlElement AddQualifyingPropertiesNode(ExtendedSignedXml signedXml, XmlDocument document)
{
var dataObject = new DataObject();
var result = document.CreateElement("QualifyingProperties", XadesNamespaceUrl);
result.SetAttribute("Target", signedXml.Signature.Id);
dataObject.Data = result.SelectNodes(".");
signedXml.AddObject(dataObject);
return(result);
}
public void Sign()
{
var qualifyingProperties = GetQualifyingProperties(Certificate);
var qualifyingPropertiesXml = ObjectToXml.Serialize(qualifyingProperties);
var signedXml = new ExtendedSignedXml(Xml);
signedXml.Signature.Id = qualifyingProperties.Target;
signedXml.SigningKey = Certificate.GetRSAPrivateKey();
signedXml.SignedInfo.CanonicalizationMethod = SignedXml.XmlDsigExcC14NTransformUrl;
signedXml.SignedInfo.SignatureMethod = SignedXml.XmlDsigRSASHA256Url;
var documentReference = new Reference
{
Id = qualifyingProperties.SignedProperties.SignedDataObjectProperties.DataObjectFormat.ObjectReference,
Type = null,
Uri = ""
};
documentReference.AddTransform(new XmlDsigEnvelopedSignatureTransform());
documentReference.DigestMethod = SignedXml.XmlDsigSHA256Url;
signedXml.AddReference(documentReference);
var signedProperties = new Reference
{
Type = Namespaces.SignedProperties,
Uri = "#" + qualifyingProperties.SignedProperties.Id
};
signedProperties.AddTransform(new XmlDsigExcC14NTransform());
signedProperties.DigestMethod = SignedXml.XmlDsigSHA256Url;
signedXml.AddReference(signedProperties);
var dataObject = new DataObject
{
Data = qualifyingPropertiesXml.ChildNodes
};
signedXml.AddObject(dataObject);
var certificateKeyInfo = new KeyInfo();
certificateKeyInfo.AddClause(new KeyInfoX509Data(Certificate));
signedXml.KeyInfo = certificateKeyInfo;
signedXml.ComputeSignature();
var signature = signedXml.GetXml();
Insert(signature, Xml.DocumentElement);
}
private static XmlElement CreatePropertiesNode(XmlDocument document, ExtendedSignedXml signedXml)
{
var dataObject = new DataObject();
var nodeSignatureProperties = document.CreateElement("SignatureProperties", SignedXml.XmlDsigNamespaceUrl);
nodeSignatureProperties.SetAttribute("Id", PropertiesId);
dataObject.Data = nodeSignatureProperties.SelectNodes(".");
signedXml.AddObject(dataObject);
var referenceToProperties = new Reference
{
Uri = "#" + PropertiesId,
Type = ExtendedSignedXml.XmlDsigSignatureProperties
};
signedXml.AddReference(referenceToProperties);
return(nodeSignatureProperties);
}