private void requestTimeStampButton_Click(object sender, System.EventArgs e)
{
TimeStamp signatureTimeStamp;
HttpTsaClient httpTSAClient;
KnownTsaResponsePkiStatus tsaResponsePkiStatus;
ArrayList signatureValueElementXpaths;
byte[] signatureValueHash;
if (this.xadesSignedXml.SignatureStandard == KnownSignatureStandard.Xades)
{
try
{
httpTSAClient = new HttpTsaClient();
httpTSAClient.RequestTsaCertificate = this.tsaCertificateInResponseCheckBox.Checked;
signatureValueElementXpaths = new ArrayList();
signatureValueElementXpaths.Add("ds:SignatureValue");
ArrayList elementIdValues = new ArrayList();
signatureValueHash = httpTSAClient.ComputeHashValueOfElementList(this.xadesSignedXml.GetXml(), signatureValueElementXpaths, ref elementIdValues);
httpTSAClient.SendTsaWebRequest(this.tsaUriTextBox.Text, signatureValueHash);
tsaResponsePkiStatus = httpTSAClient.ParseTsaResponse();
if (tsaResponsePkiStatus == KnownTsaResponsePkiStatus.Granted)
{
signatureTimeStamp = new TimeStamp("SignatureTimeStamp");
signatureTimeStamp.EncapsulatedTimeStamp.Id = this.signatureTimeStampIdTextBox.Text;
signatureTimeStamp.EncapsulatedTimeStamp.PkiData = httpTSAClient.TsaTimeStamp;
HashDataInfo hashDataInfo = new HashDataInfo();
hashDataInfo.UriAttribute = "#" + elementIdValues[0];
signatureTimeStamp.HashDataInfoCollection.Add(hashDataInfo);
UnsignedProperties unsignedProperties = this.xadesSignedXml.UnsignedProperties;
unsignedProperties.UnsignedSignatureProperties.SignatureTimeStampCollection.Add(signatureTimeStamp);
this.xadesSignedXml.UnsignedProperties = unsignedProperties;
XmlElement xml = this.xadesSignedXml.XadesObject.GetXml();
XmlElement xml1 = this.xadesSignedXml.GetXml();
this.ShowSignature();
}
else
{
MessageBox.Show("TSA timestamp request not granted: " + tsaResponsePkiStatus.ToString());
}
}
catch (Exception exception)
{
MessageBox.Show("Exception occurred during TSA timestamp request: " + exception.ToString());
}
}
else
{
MessageBox.Show("Signature standard should be XAdES. (You need to add XAdES info before computing the signature to be able to inject a timestamp)");
}
}
private void injectXadesXInformationButton_Click(object sender, System.EventArgs e)
{
TimeStamp xadesXTimeStamp;
HttpTsaClient httpTSAClient;
KnownTsaResponsePkiStatus tsaResponsePkiStatus;
ArrayList signatureValueElementXpaths;
ArrayList elementIdValues;
byte[] signatureValueHash;
HashDataInfo hashDataInfo;
httpTSAClient = new HttpTsaClient();
httpTSAClient.RequestTsaCertificate = this.tsaCertificateInResponseCheckBox.Checked;
signatureValueElementXpaths = new ArrayList();
if (this.sigAndRefsTimeStampRadioButton.Checked)
{
signatureValueElementXpaths.Add("ds:SignatureValue");
signatureValueElementXpaths.Add("ds:Object/xsd:QualifyingProperties/xsd:UnsignedProperties/xsd:UnsignedSignatureProperties/xsd:SignatureTimeStamp/xsd:EncapsulatedTimeStamp");
signatureValueElementXpaths.Add("ds:Object/xsd:QualifyingProperties/xsd:UnsignedProperties/xsd:UnsignedSignatureProperties/xsd:CompleteCertificateRefs");
signatureValueElementXpaths.Add("ds:Object/xsd:QualifyingProperties/xsd:UnsignedProperties/xsd:UnsignedSignatureProperties/xsd:CompleteRevocationRefs");
}
else
{
signatureValueElementXpaths.Add("ds:Object/xsd:QualifyingProperties/xsd:UnsignedProperties/xsd:UnsignedSignatureProperties/xsd:CompleteCertificateRefs");
signatureValueElementXpaths.Add("ds:Object/xsd:QualifyingProperties/xsd:UnsignedProperties/xsd:UnsignedSignatureProperties/xsd:CompleteRevocationRefs");
}
elementIdValues = new ArrayList();
signatureValueHash = httpTSAClient.ComputeHashValueOfElementList(this.xadesSignedXml.GetXml(), signatureValueElementXpaths, ref elementIdValues);
httpTSAClient.SendTsaWebRequest(this.tsaUriTextBox.Text, signatureValueHash);
tsaResponsePkiStatus = httpTSAClient.ParseTsaResponse();
if (tsaResponsePkiStatus == KnownTsaResponsePkiStatus.Granted)
{
if (this.sigAndRefsTimeStampRadioButton.Checked)
{
xadesXTimeStamp = new TimeStamp("SigAndRefsTimeStamp");
}
else
{
xadesXTimeStamp = new TimeStamp("RefsOnlyTimeStamp");
}
xadesXTimeStamp.EncapsulatedTimeStamp.PkiData = httpTSAClient.TsaTimeStamp;
xadesXTimeStamp.EncapsulatedTimeStamp.Id = this.xadesXTimeStampIdTextBox.Text;
foreach (string elementIdValue in elementIdValues)
{
hashDataInfo = new HashDataInfo();
hashDataInfo.UriAttribute = "#" + elementIdValue;
xadesXTimeStamp.HashDataInfoCollection.Add(hashDataInfo);
}
UnsignedProperties unsignedProperties = this.xadesSignedXml.UnsignedProperties;
if (this.sigAndRefsTimeStampRadioButton.Checked)
{
unsignedProperties.UnsignedSignatureProperties.RefsOnlyTimeStampFlag = false;
unsignedProperties.UnsignedSignatureProperties.SigAndRefsTimeStampCollection.Add(xadesXTimeStamp);
}
else
{
unsignedProperties.UnsignedSignatureProperties.RefsOnlyTimeStampFlag = true;
unsignedProperties.UnsignedSignatureProperties.RefsOnlyTimeStampCollection.Add(xadesXTimeStamp);
}
this.xadesSignedXml.UnsignedProperties = unsignedProperties;
this.ShowSignature();
}
else
{
MessageBox.Show("TSA timestamp request not granted: " + tsaResponsePkiStatus.ToString());
}
}