private void InjectXadesXInformation(XadesSignedXml xadesSignedXml)
{
TimeStamp xadesXTimeStamp;
ArrayList signatureValueElementXpaths;
byte[] signatureValueHash;
byte[] tsaTimeStamp;
signatureValueElementXpaths = new ArrayList();
signatureValueElementXpaths.Add("ds:Object/xsd:QualifyingProperties/xsd:UnsignedProperties/xsd:UnsignedSignatureProperties/xsd:CompleteCertificateRefs");
signatureValueElementXpaths.Add("ds:Object/xsd:QualifyingProperties/xsd:UnsignedProperties/xsd:UnsignedSignatureProperties/xsd:CompleteRevocationRefs");
signatureValueHash = ComputeHashValueOfElementList(xadesSignedXml.GetXml(), signatureValueElementXpaths);
//jbonilla
tsaTimeStamp = this.tspSource.GetTimeStampToken(signatureValueHash);
xadesXTimeStamp = new TimeStamp("RefsOnlyTimeStamp");
xadesXTimeStamp.EncapsulatedTimeStamp.PkiData = tsaTimeStamp;
xadesXTimeStamp.CanonicalizationMethod.Algorithm = SignedXml.XmlDsigExcC14NTransformUrl;
//xadesXTimeStamp.EncapsulatedTimeStamp.Id = "";
//jbonilla Deprecated
//foreach (string elementIdValue in elementIdValues)
//{
// hashDataInfo = new HashDataInfo();
// hashDataInfo.UriAttribute = "#" + elementIdValue;
// xadesXTimeStamp.HashDataInfoCollection.Add(hashDataInfo);
//}
UnsignedProperties unsignedProperties = xadesSignedXml.UnsignedProperties;
unsignedProperties.UnsignedSignatureProperties.RefsOnlyTimeStampFlag = true;
unsignedProperties.UnsignedSignatureProperties.RefsOnlyTimeStampCollection.Add(xadesXTimeStamp);
xadesSignedXml.UnsignedProperties = unsignedProperties;
}
public override void Upgrade()
{
TimeStamp signatureTimeStamp;
ArrayList signatureValueElementXpaths;
byte[] signatureValueHash;
UnsignedProperties unsignedProperties = _firma.XadesSignature.UnsignedProperties;
try
{
if (unsignedProperties.UnsignedSignatureProperties.SignatureTimeStampCollection.Count > 0)
{
throw new Exception("La firma ya contiene un sello de tiempo");
}
signatureValueElementXpaths = new ArrayList();
signatureValueElementXpaths.Add("ds:SignatureValue");
signatureValueHash = DigestUtil.ComputeHashValue(XMLUtil.ComputeValueOfElementList(_firma.XadesSignature, signatureValueElementXpaths), DigestMethod.SHA1);
byte[] tsa = TimeStampClient.GetTimeStamp(_firma.TSAServer, signatureValueHash, DigestMethod.SHA1, true);
signatureTimeStamp = new TimeStamp("SignatureTimeStamp");
signatureTimeStamp.Id = "SignatureTimeStamp-" + _firma.XadesSignature.Signature.Id;
signatureTimeStamp.EncapsulatedTimeStamp.PkiData = tsa;
signatureTimeStamp.EncapsulatedTimeStamp.Id = "SignatureTimeStamp-" + Guid.NewGuid().ToString();
unsignedProperties.UnsignedSignatureProperties.SignatureTimeStampCollection.Add(signatureTimeStamp);
_firma.XadesSignature.UnsignedProperties = unsignedProperties;
_firma.UpdateDocument();
}
catch (Exception ex)
{
throw new Exception("Ha ocurrido un error al insertar el sellado de tiempo.", ex);
}
}
private void TimeStampCertRefs()
{
TimeStamp xadesXTimeStamp;
ArrayList signatureValueElementXpaths;
byte[] signatureValueHash;
XmlElement nodoFirma = _firma.XadesSignature.GetSignatureElement();
XmlNamespaceManager nm = new XmlNamespaceManager(_firma.Document.NameTable);
nm.AddNamespace("xades", XadesSignedXml.XadesNamespaceUri);
nm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
XmlNode xmlCompleteCertRefs = nodoFirma.SelectSingleNode("ds:Object/xades:QualifyingProperties/xades:UnsignedProperties/xades:UnsignedSignatureProperties/xades:CompleteCertificateRefs", nm);
if (xmlCompleteCertRefs == null)
{
_firma.UpdateDocument();
}
signatureValueElementXpaths = new ArrayList();
signatureValueElementXpaths.Add("ds:SignatureValue");
signatureValueElementXpaths.Add("ds:Object/xades:QualifyingProperties/xades:UnsignedProperties/xades:UnsignedSignatureProperties/xades:SignatureTimeStamp");
signatureValueElementXpaths.Add("ds:Object/xades:QualifyingProperties/xades:UnsignedProperties/xades:UnsignedSignatureProperties/xades:CompleteCertificateRefs");
signatureValueElementXpaths.Add("ds:Object/xades:QualifyingProperties/xades:UnsignedProperties/xades:UnsignedSignatureProperties/xades:CompleteRevocationRefs");
signatureValueHash = DigestUtil.ComputeHashValue(XMLUtil.ComputeValueOfElementList(_firma.XadesSignature, signatureValueElementXpaths), DigestMethod.SHA1);
byte[] tsa = TimeStampClient.GetTimeStamp(_firma.TSAServer, signatureValueHash, DigestMethod.SHA1, true);
xadesXTimeStamp = new TimeStamp("SigAndRefsTimeStamp");
xadesXTimeStamp.Id = "SigAndRefsStamp-" + _firma.XadesSignature.Signature.Id;
xadesXTimeStamp.EncapsulatedTimeStamp.PkiData = tsa;
xadesXTimeStamp.EncapsulatedTimeStamp.Id = "SigAndRefsStamp-" + Guid.NewGuid().ToString();
UnsignedProperties unsignedProperties = _firma.XadesSignature.UnsignedProperties;
unsignedProperties.UnsignedSignatureProperties.RefsOnlyTimeStampFlag = false;
unsignedProperties.UnsignedSignatureProperties.SigAndRefsTimeStampCollection.Add(xadesXTimeStamp);
_firma.XadesSignature.UnsignedProperties = unsignedProperties;
}
/// <summary>
/// Add typed object to the collection
/// </summary>
/// <param name="objectToAdd">Typed object to be added to collection</param>
/// <returns>The object that has been added to collection</returns>
public TimeStamp Add(TimeStamp objectToAdd)
{
base.Add(objectToAdd);
return objectToAdd;
}
/// <summary>
/// Load state from an XML element
/// </summary>
/// <param name="xmlElement">XML element containing new state</param>
public void LoadXml(System.Xml.XmlElement xmlElement)
{
XmlNamespaceManager xmlNamespaceManager;
XmlNodeList xmlNodeList;
IEnumerator enumerator;
XmlElement iterationXmlElement;
DataObjectFormat newDataObjectFormat;
CommitmentTypeIndication newCommitmentTypeIndication;
TimeStamp newTimeStamp;
if (xmlElement == null)
{
throw new ArgumentNullException("xmlElement");
}
xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
this.dataObjectFormatCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:DataObjectFormat", xmlNamespaceManager);
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newDataObjectFormat = new DataObjectFormat();
newDataObjectFormat.LoadXml(iterationXmlElement);
this.dataObjectFormatCollection.Add(newDataObjectFormat);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
this.dataObjectFormatCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:CommitmentTypeIndication", xmlNamespaceManager);
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newCommitmentTypeIndication = new CommitmentTypeIndication();
newCommitmentTypeIndication.LoadXml(iterationXmlElement);
this.commitmentTypeIndicationCollection.Add(newCommitmentTypeIndication);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
this.dataObjectFormatCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:AllDataObjectsTimeStamp", xmlNamespaceManager);
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newTimeStamp = new TimeStamp("AllDataObjectsTimeStamp");
newTimeStamp.LoadXml(iterationXmlElement);
this.allDataObjectsTimeStampCollection.Add(newTimeStamp);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
this.dataObjectFormatCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:IndividualDataObjectsTimeStamp", xmlNamespaceManager);
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newTimeStamp = new TimeStamp("IndividualDataObjectsTimeStamp");
newTimeStamp.LoadXml(iterationXmlElement);
this.individualDataObjectsTimeStampCollection.Add(newTimeStamp);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
private void RequestTimeStamp(XadesSignedXml xadesSignedXml)
{
TimeStamp signatureTimeStamp;
ArrayList signatureValueElementXpaths;
byte[] signatureValueHash;
byte[] tsaTimeStamp;
signatureValueElementXpaths = new ArrayList();
signatureValueElementXpaths.Add("ds:SignatureValue");
signatureValueHash = ComputeHashValueOfElementList(xadesSignedXml.GetXml(), signatureValueElementXpaths);
//jbonilla
tsaTimeStamp = this.tspSource.GetTimeStampToken(signatureValueHash);
signatureTimeStamp = new TimeStamp("SignatureTimeStamp");
//signatureTimeStamp.EncapsulatedTimeStamp.Id = "SignatureTimeStamp" + this.uid;
signatureTimeStamp.EncapsulatedTimeStamp.PkiData = tsaTimeStamp;
signatureTimeStamp.CanonicalizationMethod.Algorithm = SignedXml.XmlDsigExcC14NTransformUrl;
//jbonilla Deprecated
//HashDataInfo hashDataInfo = new HashDataInfo();
//hashDataInfo.UriAttribute = "#" + elementIdValues[0];
//signatureTimeStamp.HashDataInfoCollection.Add(hashDataInfo);
UnsignedProperties unsignedProperties = xadesSignedXml.UnsignedProperties;
unsignedProperties.UnsignedSignatureProperties.SignatureTimeStampCollection.Add(signatureTimeStamp);
xadesSignedXml.UnsignedProperties = unsignedProperties;
//TODO jbonilla - Delete?
XmlElement xml = xadesSignedXml.XadesObject.GetXml();
XmlElement xml1 = xadesSignedXml.GetXml();
}
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());
}
}
private bool CheckHashDataInfosOfSigAndRefsTimeStamp(TimeStamp timeStamp)
{
UnsignedSignatureProperties unsignedSignatureProperties;
bool signatureValueHashDataInfoFound = false;
bool allSignatureTimeStampHashDataInfosFound = false;
bool completeCertificateRefsHashDataInfoFound = false;
bool completeRevocationRefsHashDataInfoFound = false;
ArrayList signatureTimeStampIds = new ArrayList();
bool retVal = true;
unsignedSignatureProperties = this.XadesObject.QualifyingProperties.UnsignedProperties.UnsignedSignatureProperties;
foreach (TimeStamp signatureTimeStamp in unsignedSignatureProperties.SignatureTimeStampCollection)
{
signatureTimeStampIds.Add("#" + signatureTimeStamp.EncapsulatedTimeStamp.Id);
}
signatureTimeStampIds.Sort();
foreach (HashDataInfo hashDataInfo in timeStamp.HashDataInfoCollection)
{
if (hashDataInfo.UriAttribute == "#" + this.signatureValueId)
{
signatureValueHashDataInfoFound = true;
}
int signatureTimeStampIdIndex = signatureTimeStampIds.BinarySearch(hashDataInfo.UriAttribute);
if (signatureTimeStampIdIndex >= 0)
{
signatureTimeStampIds.RemoveAt(signatureTimeStampIdIndex);
}
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.CompleteCertificateRefs.Id)
{
completeCertificateRefsHashDataInfoFound = true;
}
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.CompleteRevocationRefs.Id)
{
completeRevocationRefsHashDataInfoFound = true;
}
}
if (signatureTimeStampIds.Count == 0)
{
allSignatureTimeStampHashDataInfosFound = true;
}
retVal = signatureValueHashDataInfoFound && allSignatureTimeStampHashDataInfosFound && completeCertificateRefsHashDataInfoFound && completeRevocationRefsHashDataInfoFound;
return retVal;
}
private bool CheckHashDataInfosOfRefsOnlyTimeStamp(TimeStamp timeStamp)
{
UnsignedSignatureProperties unsignedSignatureProperties;
bool completeCertificateRefsHashDataInfoFound;
bool completeRevocationRefsHashDataInfoFound;
bool retVal;
completeCertificateRefsHashDataInfoFound = false;
completeRevocationRefsHashDataInfoFound = false;
retVal = true;
unsignedSignatureProperties = this.XadesObject.QualifyingProperties.UnsignedProperties.UnsignedSignatureProperties;
foreach (HashDataInfo hashDataInfo in timeStamp.HashDataInfoCollection)
{
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.CompleteCertificateRefs.Id)
{
completeCertificateRefsHashDataInfoFound = true;
}
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.CompleteRevocationRefs.Id)
{
completeRevocationRefsHashDataInfoFound = true;
}
}
retVal = completeCertificateRefsHashDataInfoFound && completeRevocationRefsHashDataInfoFound;
return retVal;
}
private bool CheckHashDataInfosOfArchiveTimeStamp(TimeStamp timeStamp)
{
UnsignedSignatureProperties unsignedSignatureProperties;
SignedProperties signedProperties;
bool allReferenceHashDataInfosFound = false;
bool signedInfoHashDataInfoFound = false;
bool signedPropertiesHashDataInfoFound = false;
bool signatureValueHashDataInfoFound = false;
bool allSignatureTimeStampHashDataInfosFound = false;
bool completeCertificateRefsHashDataInfoFound = false;
bool completeRevocationRefsHashDataInfoFound = false;
bool certificatesValuesHashDataInfoFound = false;
bool revocationValuesHashDataInfoFound = false;
bool allSigAndRefsTimeStampHashDataInfosFound = false;
bool allRefsOnlyTimeStampHashDataInfosFound = false;
bool allArchiveTimeStampHashDataInfosFound = false;
bool allOlderArchiveTimeStampsFound = false;
ArrayList referenceIds = new ArrayList();
ArrayList signatureTimeStampIds = new ArrayList();
ArrayList sigAndRefsTimeStampIds = new ArrayList();
ArrayList refsOnlyTimeStampIds = new ArrayList();
ArrayList archiveTimeStampIds = new ArrayList();
bool retVal = true;
unsignedSignatureProperties = this.XadesObject.QualifyingProperties.UnsignedProperties.UnsignedSignatureProperties;
signedProperties = this.XadesObject.QualifyingProperties.SignedProperties;
foreach (Reference reference in this.Signature.SignedInfo.References)
{
if (reference.Uri != "#" + signedProperties.Id)
{
referenceIds.Add(reference.Uri);
}
}
referenceIds.Sort();
foreach (TimeStamp signatureTimeStamp in unsignedSignatureProperties.SignatureTimeStampCollection)
{
signatureTimeStampIds.Add("#" + signatureTimeStamp.EncapsulatedTimeStamp.Id);
}
signatureTimeStampIds.Sort();
foreach (TimeStamp sigAndRefsTimeStamp in unsignedSignatureProperties.SigAndRefsTimeStampCollection)
{
sigAndRefsTimeStampIds.Add("#" + sigAndRefsTimeStamp.EncapsulatedTimeStamp.Id);
}
sigAndRefsTimeStampIds.Sort();
foreach (TimeStamp refsOnlyTimeStamp in unsignedSignatureProperties.RefsOnlyTimeStampCollection)
{
refsOnlyTimeStampIds.Add("#" + refsOnlyTimeStamp.EncapsulatedTimeStamp.Id);
}
refsOnlyTimeStampIds.Sort();
allOlderArchiveTimeStampsFound = false;
for (int archiveTimeStampCounter = 0; !allOlderArchiveTimeStampsFound && (archiveTimeStampCounter < unsignedSignatureProperties.ArchiveTimeStampCollection.Count); archiveTimeStampCounter++)
{
TimeStamp archiveTimeStamp = unsignedSignatureProperties.ArchiveTimeStampCollection[archiveTimeStampCounter];
if (archiveTimeStamp.EncapsulatedTimeStamp.Id == timeStamp.EncapsulatedTimeStamp.Id)
{
allOlderArchiveTimeStampsFound = true;
}
else
{
archiveTimeStampIds.Add("#" + archiveTimeStamp.EncapsulatedTimeStamp.Id);
}
}
archiveTimeStampIds.Sort();
foreach (HashDataInfo hashDataInfo in timeStamp.HashDataInfoCollection)
{
int index = referenceIds.BinarySearch(hashDataInfo.UriAttribute);
if (index >= 0)
{
referenceIds.RemoveAt(index);
}
if (hashDataInfo.UriAttribute == "#" + this.signedInfoIdBuffer)
{
signedInfoHashDataInfoFound = true;
}
if (hashDataInfo.UriAttribute == "#" + signedProperties.Id)
{
signedPropertiesHashDataInfoFound = true;
}
if (hashDataInfo.UriAttribute == "#" + this.signatureValueId)
{
signatureValueHashDataInfoFound = true;
}
index = signatureTimeStampIds.BinarySearch(hashDataInfo.UriAttribute);
if (index >= 0)
{
signatureTimeStampIds.RemoveAt(index);
}
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.CompleteCertificateRefs.Id)
{
completeCertificateRefsHashDataInfoFound = true;
}
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.CompleteRevocationRefs.Id)
{
completeRevocationRefsHashDataInfoFound = true;
}
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.CertificateValues.Id)
{
certificatesValuesHashDataInfoFound = true;
}
if (hashDataInfo.UriAttribute == "#" + unsignedSignatureProperties.RevocationValues.Id)
{
revocationValuesHashDataInfoFound = true;
}
index = sigAndRefsTimeStampIds.BinarySearch(hashDataInfo.UriAttribute);
if (index >= 0)
{
sigAndRefsTimeStampIds.RemoveAt(index);
}
index = refsOnlyTimeStampIds.BinarySearch(hashDataInfo.UriAttribute);
if (index >= 0)
{
refsOnlyTimeStampIds.RemoveAt(index);
}
index = archiveTimeStampIds.BinarySearch(hashDataInfo.UriAttribute);
if (index >= 0)
{
archiveTimeStampIds.RemoveAt(index);
}
}
if (referenceIds.Count == 0)
{
allReferenceHashDataInfosFound = true;
}
if (signatureTimeStampIds.Count == 0)
{
allSignatureTimeStampHashDataInfosFound = true;
}
if (sigAndRefsTimeStampIds.Count == 0)
{
allSigAndRefsTimeStampHashDataInfosFound = true;
}
if (refsOnlyTimeStampIds.Count == 0)
{
allRefsOnlyTimeStampHashDataInfosFound = true;
}
if (archiveTimeStampIds.Count == 0)
{
allArchiveTimeStampHashDataInfosFound = true;
}
retVal = allReferenceHashDataInfosFound && signedInfoHashDataInfoFound && signedPropertiesHashDataInfoFound &&
signatureValueHashDataInfoFound && allSignatureTimeStampHashDataInfosFound && completeCertificateRefsHashDataInfoFound &&
completeRevocationRefsHashDataInfoFound && certificatesValuesHashDataInfoFound && revocationValuesHashDataInfoFound &&
allSigAndRefsTimeStampHashDataInfosFound && allRefsOnlyTimeStampHashDataInfosFound && allArchiveTimeStampHashDataInfosFound;
return retVal;
}
private bool CheckHashDataInfosForTimeStamp(TimeStamp timeStamp)
{
bool retVal = true;
for (int referenceCounter = 0; retVal == true && (referenceCounter < this.SignedInfo.References.Count); referenceCounter++)
{
string referenceId = ((Reference)this.SignedInfo.References[referenceCounter]).Id;
string referenceUri = ((Reference)this.SignedInfo.References[referenceCounter]).Uri;
if (referenceUri != ("#" + this.XadesObject.QualifyingProperties.SignedProperties.Id))
{
bool hashDataInfoFound = false;
for (int hashDataInfoCounter = 0; hashDataInfoFound == false && (hashDataInfoCounter < timeStamp.HashDataInfoCollection.Count); hashDataInfoCounter++)
{
HashDataInfo hashDataInfo = timeStamp.HashDataInfoCollection[hashDataInfoCounter];
hashDataInfoFound = (("#" + referenceId) == hashDataInfo.UriAttribute);
}
retVal = hashDataInfoFound;
}
}
return retVal;
}
private bool CheckHashDataInfosExist(TimeStamp timeStamp)
{
bool retVal = true;
for (int hashDataInfoCounter = 0; retVal == true && (hashDataInfoCounter < timeStamp.HashDataInfoCollection.Count); hashDataInfoCounter++)
{
HashDataInfo hashDataInfo = timeStamp.HashDataInfoCollection[hashDataInfoCounter];
bool referenceFound = false;
string referenceId;
for (int referenceCounter = 0; referenceFound == false && (referenceCounter < this.SignedInfo.References.Count); referenceCounter++)
{
referenceId = ((Reference)this.SignedInfo.References[referenceCounter]).Id;
if (("#" + referenceId) == hashDataInfo.UriAttribute)
{
referenceFound = true;
}
}
retVal = referenceFound;
}
return retVal;
}
private bool CheckHashDataInfoPointsToSignatureValue(TimeStamp timeStamp)
{
bool retVal = true;
foreach (HashDataInfo hashDataInfo in timeStamp.HashDataInfoCollection)
{
retVal &= (hashDataInfo.UriAttribute == ("#" + this.signatureValueId));
}
return retVal;
}
/// <summary>
/// Load state from an XML element
/// </summary>
/// <param name="xmlElement">XML element containing new state</param>
/// <param name="counterSignedXmlElement">Element containing parent signature (needed if there are counter signatures)</param>
public void LoadXml(System.Xml.XmlElement xmlElement, XmlElement counterSignedXmlElement)
{
XmlNamespaceManager xmlNamespaceManager;
XmlNodeList xmlNodeList;
IEnumerator enumerator;
XmlElement iterationXmlElement;
XadesSignedXml newXadesSignedXml;
TimeStamp newTimeStamp;
XmlElement counterSignatureElement;
if (xmlElement == null)
{
throw new ArgumentNullException("xmlElement");
}
xmlNamespaceManager = new XmlNamespaceManager(xmlElement.OwnerDocument.NameTable);
xmlNamespaceManager.AddNamespace("xsd", XadesSignedXml.XadesNamespaceUri);
this.counterSignatureCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:CounterSignature", xmlNamespaceManager);
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
if (counterSignedXmlElement != null)
{
newXadesSignedXml = new XadesSignedXml(counterSignedXmlElement);
}
else
{
newXadesSignedXml = new XadesSignedXml();
}
//Skip any whitespace at start
counterSignatureElement = null;
for (int childNodeCounter = 0; (childNodeCounter < iterationXmlElement.ChildNodes.Count) && (counterSignatureElement == null); childNodeCounter++)
{
if (iterationXmlElement.ChildNodes[childNodeCounter] is XmlElement)
{
counterSignatureElement = (XmlElement)iterationXmlElement.ChildNodes[childNodeCounter];
}
}
if (counterSignatureElement != null)
{
newXadesSignedXml.LoadXml(counterSignatureElement);
this.counterSignatureCollection.Add(newXadesSignedXml);
}
else
{
throw new CryptographicException("CounterSignature element does not contain signature");
}
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
this.signatureTimeStampCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:SignatureTimeStamp", xmlNamespaceManager);
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newTimeStamp = new TimeStamp("SignatureTimeStamp");
newTimeStamp.LoadXml(iterationXmlElement);
this.signatureTimeStampCollection.Add(newTimeStamp);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
xmlNodeList = xmlElement.SelectNodes("xsd:CompleteCertificateRefs", xmlNamespaceManager);
if (xmlNodeList.Count != 0)
{
this.completeCertificateRefs = new CompleteCertificateRefs();
this.completeCertificateRefs.LoadXml((XmlElement)xmlNodeList.Item(0));
}
else
{
this.completeCertificateRefs = null;
}
xmlNodeList = xmlElement.SelectNodes("xsd:CompleteRevocationRefs", xmlNamespaceManager);
if (xmlNodeList.Count != 0)
{
this.CompleteRevocationRefs = new CompleteRevocationRefs();
this.CompleteRevocationRefs.LoadXml((XmlElement)xmlNodeList.Item(0));
}
else
{
this.completeRevocationRefs = null;
}
this.sigAndRefsTimeStampCollection.Clear();
this.refsOnlyTimeStampCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:SigAndRefsTimeStamp", xmlNamespaceManager);
if (xmlNodeList.Count > 0)
{
this.refsOnlyTimeStampFlag = false;
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newTimeStamp = new TimeStamp("SigAndRefsTimeStamp");
newTimeStamp.LoadXml(iterationXmlElement);
this.sigAndRefsTimeStampCollection.Add(newTimeStamp);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
else
{
xmlNodeList = xmlElement.SelectNodes("xsd:RefsOnlyTimeStamp", xmlNamespaceManager);
if (xmlNodeList.Count > 0)
{
this.refsOnlyTimeStampFlag = true;
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newTimeStamp = new TimeStamp("RefsOnlyTimeStamp");
newTimeStamp.LoadXml(iterationXmlElement);
this.refsOnlyTimeStampCollection.Add(newTimeStamp);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
else
{
this.refsOnlyTimeStampFlag = false;
}
}
xmlNodeList = xmlElement.SelectNodes("xsd:CertificateValues", xmlNamespaceManager);
if (xmlNodeList.Count != 0)
{
this.certificateValues = new CertificateValues();
this.certificateValues.LoadXml((XmlElement)xmlNodeList.Item(0));
}
else
{
this.certificateValues = null;
}
xmlNodeList = xmlElement.SelectNodes("xsd:RevocationValues", xmlNamespaceManager);
if (xmlNodeList.Count != 0)
{
this.revocationValues = new RevocationValues();
this.revocationValues.LoadXml((XmlElement)xmlNodeList.Item(0));
}
else
{
this.revocationValues = null;
}
this.archiveTimeStampCollection.Clear();
xmlNodeList = xmlElement.SelectNodes("xsd:ArchiveTimeStamp", xmlNamespaceManager);
enumerator = xmlNodeList.GetEnumerator();
try
{
while (enumerator.MoveNext())
{
iterationXmlElement = enumerator.Current as XmlElement;
if (iterationXmlElement != null)
{
newTimeStamp = new TimeStamp("ArchiveTimeStamp");
newTimeStamp.LoadXml(iterationXmlElement);
this.archiveTimeStampCollection.Add(newTimeStamp);
}
}
}
finally
{
IDisposable disposable = enumerator as IDisposable;
if (disposable != null)
{
disposable.Dispose();
}
}
}
