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; }
/// <summary> /// Obtiene el valor canonicalizado de los elementos especificados en elementXpaths /// </summary> /// <param name="xadesSignedXml"></param> /// <param name="elementXpaths"></param> /// <returns></returns> public static byte[] ComputeValueOfElementList(XadesSignedXml xadesSignedXml, ArrayList elementXpaths) { XmlDocument xmlDocument; XmlNamespaceManager xmlNamespaceManager; XmlNodeList searchXmlNodeList; var signatureXmlElement = xadesSignedXml.GetSignatureElement(); var namespaces = xadesSignedXml.GetAllNamespaces(signatureXmlElement); xmlDocument = signatureXmlElement.OwnerDocument; xmlNamespaceManager = new XmlNamespaceManager(xmlDocument.NameTable); xmlNamespaceManager.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl); xmlNamespaceManager.AddNamespace("xades", XadesSignedXml.XadesNamespaceUri); using (MemoryStream msResult = new MemoryStream()) { foreach (string elementXpath in elementXpaths) { searchXmlNodeList = signatureXmlElement.SelectNodes(elementXpath, xmlNamespaceManager); if (searchXmlNodeList.Count == 0) { throw new CryptographicException("Element " + elementXpath + " not found while calculating hash"); } foreach (XmlNode xmlNode in searchXmlNodeList) { XmlAttribute dsNamespace = xmlDocument.CreateAttribute("xmlns:" + XadesSignedXml.XmlDSigPrefix); dsNamespace.Value = XadesSignedXml.XmlDsigNamespaceUrl; xmlNode.Attributes.Append(dsNamespace); foreach (var attr in namespaces) { XmlAttribute attrNamespace = xmlDocument.CreateAttribute(attr.Name); attrNamespace.Value = attr.Value; xmlNode.Attributes.Append(attrNamespace); } byte[] canonicalizedElement = ApplyTransform((XmlElement)xmlNode, new XmlDsigC14NTransform()); msResult.Write(canonicalizedElement, 0, canonicalizedElement.Length); } } return msResult.ToArray(); } }
public static Document ToDocument(XmlDocument originalDocument, XadesSignedXml xadesSignedXml) { XmlElement xmlElementToSave; originalDocument.DocumentElement.AppendChild(originalDocument.ImportNode(xadesSignedXml.GetXml(), true)); xmlElementToSave = originalDocument.DocumentElement; XmlDocument xmlDocument = new XmlDocument(); xmlDocument.PreserveWhitespace = true; //Needed xmlDocument.LoadXml(xmlElementToSave.OuterXml); MemoryStream buf = new MemoryStream(); xmlDocument.Save(buf); buf.Seek(0, SeekOrigin.Begin); return new InMemoryDocument(buf.ToArray()); }
/// <exception cref="System.IO.IOException"></exception> public virtual Document ExtendSignature(object signatureId, Document document, Document originalData, SignatureParameters parameters) { if (this.tspSource == null) { throw new ConfigurationException(ConfigurationException.MSG.CONFIGURE_TSP_SERVER); } XmlDocument envelopedSignatureXmlDocument; XmlDocument xadesDocument; XmlElement signature; XadesSignedXml xadesSignedXml; xadesDocument = XmlUtils.ToXmlDocument(document); xadesDocument.PreserveWhitespace = true; xadesDocument.Load(document.OpenStream()); xadesSignedXml = new XadesSignedXml(xadesDocument.DocumentElement); //Needed if it is a enveloped signature document signature = xadesSignedXml.GetIdElement(xadesDocument, (string)signatureId); xadesSignedXml.LoadXml(signature); ExtendSignatureTag(xadesSignedXml); envelopedSignatureXmlDocument = XmlUtils.ToXmlDocument(originalData); return XmlUtils.ToDocument(envelopedSignatureXmlDocument, xadesSignedXml); }
protected internal virtual void ExtendSignatureTag(XadesSignedXml xadesSignedXml) { RequestTimeStamp(xadesSignedXml); }
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 AddCertificateInfoToSignature(XadesSignedXml xadesSignedXml, SignatureParameters parameters) { var key = parameters.SigningCertificate.GetPublicKey(); if (key is RsaKeyParameters) { RSACryptoServiceProvider rsaKey = new RSACryptoServiceProvider(); RSAParameters RSAKeyInfo = new RSAParameters(); //Set RSAKeyInfo to the public key values. RSAKeyInfo.Modulus = ((RsaKeyParameters)key).Modulus.ToByteArray(); RSAKeyInfo.Exponent = ((RsaKeyParameters)key).Exponent.ToByteArray(); rsaKey.ImportParameters(RSAKeyInfo); xadesSignedXml.SigningKey = rsaKey; KeyInfo keyInfo = new KeyInfo(); // ETSI TS 103 171 V2.1.1 // 6.2.1 Placement of the signing certificate // "b) In order to facilitate path-building, generators should include in the same ds:KeyInfo/X509Data element as // in note a) all certificates not available to verifiers that can be used during path building." //keyInfo.AddClause(new KeyInfoX509Data(this.certificate)); { KeyInfoX509Data x509Data = new KeyInfoX509Data(); foreach (X509Certificate cert in parameters.CertificateChain) { x509Data.AddCertificate(DotNetUtilities.ToX509Certificate2(cert)); //TODO jbonilla validar más de uno? //break; } keyInfo.AddClause(x509Data); } keyInfo.AddClause(new RSAKeyValue(rsaKey)); xadesSignedXml.KeyInfo = keyInfo; } else { throw new ArgumentException("Only allowed RsaKeyParameters", "key"); } }
/// <summary> /// Inserta un documento para generar una firma internally detached. /// </summary> /// <param name="content"></param> /// <param name="mimeType"></param> public void SetContentInternallyDetached(byte[] content, string mimeType, string fileName = null) { _document = new XmlDocument(); XmlElement rootElement = _document.CreateElement("DOCFIRMA"); _document.AppendChild(rootElement); string id = "CONTENT-" + Guid.NewGuid().ToString(); Reference reference = new Reference(); reference.Uri = "#" + id; reference.Id = "Reference-" + Guid.NewGuid().ToString(); _objectReference = reference.Id; _mimeType = mimeType; XmlElement contentElement = _document.CreateElement("CONTENT"); if (mimeType == "text/xml") { XmlDocument doc = new XmlDocument(); doc.PreserveWhitespace = true; doc.Load(new MemoryStream(content)); contentElement.InnerXml = doc.DocumentElement.OuterXml; XmlDsigC14NTransform transform = new XmlDsigC14NTransform(); reference.AddTransform(transform); } else if (mimeType == "hash/sha256") { contentElement.SetAttribute("Encoding", "http://www.w3.org/2000/09/xmldsig#base64"); contentElement.SetAttribute("MimeType", mimeType); if (!string.IsNullOrEmpty(fileName)) { contentElement.SetAttribute("URI", Path.GetFileName(fileName)); } using (SHA256 sha2 = SHA256.Create()) { contentElement.InnerText = Convert.ToBase64String(sha2.ComputeHash(content)); } XmlDsigBase64Transform transform = new XmlDsigBase64Transform(); reference.AddTransform(transform); } else { contentElement.SetAttribute("Encoding", "http://www.w3.org/2000/09/xmldsig#base64"); contentElement.InnerText = Convert.ToBase64String(content); XmlDsigBase64Transform transform = new XmlDsigBase64Transform(); reference.AddTransform(transform); } contentElement.SetAttribute("Id", id); rootElement.AppendChild(contentElement); _xadesSignedXml = new XadesSignedXml(_document); _xadesSignedXml.AddReference(reference); }
/// <summary> /// Inserta un documento para generar una firma externally detached. /// </summary> /// <param name="fileName"></param> public void SetContentExternallyDetached(string fileName) { Reference reference = new Reference(); _document = new XmlDocument(); _xadesSignedXml = new XadesSignedXml(); reference.Uri = "file://" + fileName.Replace("\\", "/"); reference.Id = "Reference-" + Guid.NewGuid().ToString(); if (reference.Uri.EndsWith(".xml") || reference.Uri.EndsWith(".XML")) { _mimeType = "text/xml"; reference.AddTransform(new XmlDsigC14NTransform()); } _objectReference = reference.Id; _xadesSignedXml.AddReference(reference); }
/// <summary> /// Realiza la contrafirma de la firma actual /// </summary> /// <param name="certificate"></param> /// <param name="signMethod"></param> public void CounterSign(X509Certificate2 certificate, SignMethod? signMethod = null) { SetSignatureId(); if (_xadesSignedXml == null) { throw new Exception("No hay ninguna firma XADES cargada previamente."); } if (certificate == null) { throw new Exception("Es necesario un certificado válido para la firma."); } if (signMethod.HasValue) { this.SignMethod = signMethod.Value; } _signCertificate = certificate; XadesSignedXml counterSignature = new XadesSignedXml(_document); SetCryptoServiceProvider(); counterSignature.SigningKey = _rsaKey; Reference reference = new Reference(); reference.Uri = "#" + _xadesSignedXml.SignatureValueId; reference.Id = "Reference-" + Guid.NewGuid().ToString(); reference.Type = "http://uri.etsi.org/01903#CountersignedSignature"; reference.AddTransform(new XmlDsigC14NTransform()); counterSignature.AddReference(reference); _objectReference = reference.Id; KeyInfo keyInfo = new KeyInfo(); keyInfo.Id = "KeyInfoId-" + _signatureId; keyInfo.AddClause(new KeyInfoX509Data((X509Certificate)_signCertificate)); keyInfo.AddClause(new RSAKeyValue((RSA)_rsaKey)); counterSignature.KeyInfo = keyInfo; Reference referenceKeyInfo = new Reference(); referenceKeyInfo.Id = "ReferenceKeyInfo-" + _signatureId; referenceKeyInfo.Uri = "#KeyInfoId-" + _signatureId; counterSignature.AddReference(referenceKeyInfo); counterSignature.Signature.Id = _signatureId; counterSignature.SignatureValueId = _signatureValueId; XadesObject counterSignatureXadesObject = new XadesObject(); counterSignatureXadesObject.Id = "CounterSignatureXadesObject-" + Guid.NewGuid().ToString(); counterSignatureXadesObject.QualifyingProperties.Target = "#" + _signatureId; counterSignatureXadesObject.QualifyingProperties.SignedProperties.Id = "SignedProperties-" + _signatureId; AddSignatureProperties(counterSignatureXadesObject.QualifyingProperties.SignedProperties.SignedSignatureProperties, counterSignatureXadesObject.QualifyingProperties.SignedProperties.SignedDataObjectProperties, counterSignatureXadesObject.QualifyingProperties.UnsignedProperties.UnsignedSignatureProperties, "text/xml", _signCertificate); counterSignature.AddXadesObject(counterSignatureXadesObject); foreach (Reference signReference in counterSignature.SignedInfo.References) { signReference.DigestMethod = _refsMethodUri; } counterSignature.AddXadesNamespace = true; counterSignature.ComputeSignature(); UnsignedProperties unsignedProperties = _xadesSignedXml.UnsignedProperties; unsignedProperties.UnsignedSignatureProperties.CounterSignatureCollection.Add(counterSignature); _xadesSignedXml.UnsignedProperties = unsignedProperties; UpdateDocument(); _xadesSignedXml = new XadesSignedXml(_document); XmlNode xmlNode = _document.SelectSingleNode("//*[@Id='" + _signatureId + "']"); _xadesSignedXml.LoadXml((XmlElement)xmlNode); }
protected internal override void ExtendSignatureTag(XadesSignedXml xadesSignedXml) { base.ExtendSignatureTag(xadesSignedXml); X509Certificate signingCertificate = DotNetUtilities.FromX509Certificate( xadesSignedXml.GetSigningCertificate()); DateTime signingTime = xadesSignedXml.XadesObject.QualifyingProperties .SignedProperties.SignedSignatureProperties.SigningTime; ValidationContext ctx = certificateVerifier.ValidateCertificate(signingCertificate , signingTime, new XAdESCertificateSource(xadesSignedXml.GetXml(), false), null, null); UnsignedProperties unsignedProperties = null; //int certificateValuesCounter; CertificateValues certificateValues; EncapsulatedX509Certificate encapsulatedX509Certificate; RevocationValues revocationValues; CRLValue newCRLValue; OCSPValue newOCSPValue; unsignedProperties = xadesSignedXml.UnsignedProperties; //TODO jbonilla Validate certificate refs. { unsignedProperties.UnsignedSignatureProperties.CertificateValues = new CertificateValues(); certificateValues = unsignedProperties.UnsignedSignatureProperties.CertificateValues; //certificateValues.Id = this.certificateValuesIdTextBox.Text; //certificateValuesCounter = 0; foreach (CertificateAndContext certificate in ctx.GetNeededCertificates()) { encapsulatedX509Certificate = new EncapsulatedX509Certificate(); //encapsulatedX509Certificate.Id = this.certificateValuesIdTextBox.Text + certificateValuesCounter.ToString(); encapsulatedX509Certificate.PkiData = certificate.GetCertificate().GetEncoded(); //certificateValuesCounter++; certificateValues.EncapsulatedX509CertificateCollection.Add(encapsulatedX509Certificate); } } unsignedProperties = xadesSignedXml.UnsignedProperties; unsignedProperties.UnsignedSignatureProperties.RevocationValues = new RevocationValues(); revocationValues = unsignedProperties.UnsignedSignatureProperties.RevocationValues; //revocationValues.Id = this.revocationValuesIdTextBox.Text; if (ctx.GetNeededOCSPResp().Count > 0) { foreach(BasicOcspResp ocsp in ctx.GetNeededOCSPResp()) { newOCSPValue = new OCSPValue(); newOCSPValue.PkiData = OCSPUtils.FromBasicToResp(ocsp).GetEncoded(); revocationValues.OCSPValues.OCSPValueCollection.Add(newOCSPValue); } } if (ctx.GetNeededCRL().Count > 0) { foreach (X509Crl crl in ctx.GetNeededCRL()) { newCRLValue = new CRLValue(); newCRLValue.PkiData = crl.GetEncoded(); revocationValues.CRLValues.CRLValueCollection.Add(newCRLValue); } } xadesSignedXml.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 XadesSignedXml Add(XadesSignedXml objectToAdd) { base.Add(objectToAdd); return objectToAdd; }
protected internal override void ExtendSignatureTag(XadesSignedXml xadesSignedXml) { base.ExtendSignatureTag(xadesSignedXml); X509Certificate signingCertificate = DotNetUtilities.FromX509Certificate( xadesSignedXml.GetSigningCertificate()); DateTime signingTime = xadesSignedXml.XadesObject.QualifyingProperties .SignedProperties.SignedSignatureProperties.SigningTime; ValidationContext ctx = certificateVerifier.ValidateCertificate(signingCertificate , signingTime, new XAdESCertificateSource(xadesSignedXml.GetXml(), false), null, null); UnsignedProperties unsignedProperties = xadesSignedXml.UnsignedProperties; var completeCertificateRefs = new CompleteCertificateRefs(); IncorporateCertificateRefs(completeCertificateRefs, ctx); unsignedProperties.UnsignedSignatureProperties.CompleteCertificateRefs = completeCertificateRefs; var completeRevocationRefs = new CompleteRevocationRefs(); IncorporateOCSPRefs(completeRevocationRefs, ctx); IncorporateCRLRefs(completeRevocationRefs, ctx); unsignedProperties.UnsignedSignatureProperties.CompleteRevocationRefs = completeRevocationRefs; xadesSignedXml.UnsignedProperties = unsignedProperties; }
protected internal override void ExtendSignatureTag(XadesSignedXml xadesSignedXml) { base.ExtendSignatureTag(xadesSignedXml); InjectXadesXInformation(xadesSignedXml); }
/// <summary> /// Construye el documento enveloped /// </summary> private void CreateEnvelopedDocument() { Reference reference = new Reference(); _xadesSignedXml = new XadesSignedXml(_document); reference.Id = "Reference-" + Guid.NewGuid().ToString(); reference.Uri = ""; for (int i = 0; i < _document.DocumentElement.Attributes.Count; i++) { if (_document.DocumentElement.Attributes[i].Name.Equals("id", StringComparison.InvariantCultureIgnoreCase)) { reference.Uri = "#" + _document.DocumentElement.Attributes[i].Value; break; } } XmlDsigEnvelopedSignatureTransform xmlDsigEnvelopedSignatureTransform = new XmlDsigEnvelopedSignatureTransform(); reference.AddTransform(xmlDsigEnvelopedSignatureTransform); _objectReference = reference.Id; _xadesSignedXml.AddReference(reference); }
/// <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(); } } }
/// <summary> /// Añade una firma al documento /// </summary> /// <param name="certificate"></param> /// <param name="signMethod"></param> public void CoSign(X509Certificate2 certificate, SignMethod? signMethod = null) { if (_xadesSignedXml == null) { throw new Exception("No hay ninguna firma XADES creada previamente."); } if (certificate == null) { throw new Exception("Es necesario un certificado válido para la firma."); } Reference refContent = _xadesSignedXml.SignedInfo.References[0] as Reference; if (refContent == null) { throw new Exception("No se ha podido encontrar la referencia del contenido firmado."); } if (_xadesSignedXml.XadesObject.QualifyingProperties.SignedProperties.SignedDataObjectProperties.DataObjectFormatCollection.Count > 0) { foreach (DataObjectFormat dof in _xadesSignedXml.XadesObject.QualifyingProperties.SignedProperties.SignedDataObjectProperties.DataObjectFormatCollection) { if (dof.ObjectReferenceAttribute == ("#" + refContent.Id)) { _mimeType = dof.MimeType; break; } } } var destination = _xadesSignedXml.GetSignatureElement().ParentNode; _xadesSignedXml = new XadesSignedXml(_document); refContent.Id = "Reference-" + Guid.NewGuid().ToString(); _xadesSignedXml.AddReference(refContent); if (destination.NodeType != XmlNodeType.Document) { _xadesSignedXml.SignatureNodeDestination = (XmlElement)destination; } else { _xadesSignedXml.SignatureNodeDestination = ((XmlDocument)destination).DocumentElement; } _objectReference = refContent.Id; SetSignatureId(); Sign(certificate, signMethod); }
private void addCounterSignatureButton_Click(object sender, System.EventArgs e) { X509Certificate2 certificateForCounterSignature = this.LetUserChooseCertificate(); if (certificateForCounterSignature != null) { this.xadesSignedXml.SignatureValueId = this.signatureValueIdTextBox.Text; XmlElement parentSignatureXmlElement = this.xadesSignedXml.GetXml(); XmlDocument parentSignatureXmlDocument = new XmlDocument(); parentSignatureXmlDocument.AppendChild(parentSignatureXmlDocument.ImportNode(parentSignatureXmlElement, true)); XadesSignedXml counterSignature = new XadesSignedXml(parentSignatureXmlDocument); RSACryptoServiceProvider rsaKey = (RSACryptoServiceProvider) this.Certificate.PrivateKey; counterSignature.SigningKey = rsaKey; KeyInfo keyInfo = new KeyInfo(); keyInfo.AddClause(new KeyInfoX509Data((X509Certificate) certificateForCounterSignature)); keyInfo.AddClause(new RSAKeyValue(rsaKey)); counterSignature.KeyInfo = keyInfo; Cert cert = new Cert(); cert.IssuerSerial.X509IssuerName = certificateForCounterSignature.IssuerName.Name; cert.IssuerSerial.X509SerialNumber = certificateForCounterSignature.SerialNumber; cert.CertDigest.DigestMethod.Algorithm = SignedXml.XmlDsigSHA1Url; cert.CertDigest.DigestValue = certificateForCounterSignature.GetCertHash(); counterSignature.Signature.Id = "CounterSignatureId"; XadesObject counterSignatureXadesObject = new XadesObject(); counterSignatureXadesObject.Id = "CounterSignatureXadesObjectId"; counterSignatureXadesObject.QualifyingProperties.Target = "#CounterSignatureId"; counterSignatureXadesObject.QualifyingProperties.SignedProperties.Id = "CounterSignatureSignedProperiesId"; Reference newReference = new Reference(); newReference.Uri = "#" + this.xadesSignedXml.SignatureValueId; counterSignature.AddReference(newReference); SignedSignatureProperties signedSignatureProperties = counterSignatureXadesObject.QualifyingProperties.SignedProperties.SignedSignatureProperties; signedSignatureProperties.SigningCertificate.CertCollection.Add(cert); signedSignatureProperties.SigningTime = DateTime.Parse(this.signingTimeTextBox.Text); signedSignatureProperties.SignaturePolicyIdentifier.SignaturePolicyImplied = true; counterSignature.AddXadesObject(counterSignatureXadesObject); counterSignature.ComputeSignature(); UnsignedProperties unsignedProperties = this.xadesSignedXml.UnsignedProperties; unsignedProperties.UnsignedSignatureProperties.CounterSignatureCollection.Add(counterSignature); this.xadesSignedXml.UnsignedProperties = unsignedProperties; this.ShowSignature(); } }
/// <summary> /// Inserta un contenido XML para generar una firma enveloping. /// </summary> /// <param name="xmlDocument"></param> public void SetContentEveloping(XmlDocument xmlDocument) { Reference reference = new Reference(); _xadesSignedXml = new XadesSignedXml(); XmlDocument doc = (XmlDocument)xmlDocument.Clone(); doc.PreserveWhitespace = true; if (doc.ChildNodes[0].NodeType == XmlNodeType.XmlDeclaration) { doc.RemoveChild(doc.ChildNodes[0]); } //Add an object string dataObjectId = "DataObject-" + Guid.NewGuid().ToString(); System.Security.Cryptography.Xml.DataObject dataObject = new System.Security.Cryptography.Xml.DataObject(); dataObject.Data = doc.ChildNodes; dataObject.Id = dataObjectId; _xadesSignedXml.AddObject(dataObject); reference.Id = "Reference-" + Guid.NewGuid().ToString(); reference.Uri = "#" + dataObjectId; reference.Type = SignedXml.XmlDsigNamespaceUrl + "Object"; XmlDsigC14NTransform transform = new XmlDsigC14NTransform(); reference.AddTransform(transform); _objectReference = reference.Id; _mimeType = "text/xml"; _xadesSignedXml.AddReference(reference); _document = null; }
private void addReferenceButton_Click(object sender, System.EventArgs e) { XmlDsigEnvelopedSignatureTransform xmlDsigEnvelopedSignatureTransform; Reference reference; reference = new Reference(); if (this.envelopedSignatureRadioButton.Checked) { if (this.newSignatureCheckBox.Checked) { this.envelopedSignatureXmlDocument = new XmlDocument(); this.documentDataObjectCounter = 1; } this.envelopedSignatureXmlDocument.PreserveWhitespace = true; this.envelopedSignatureXmlDocument.Load(this.envelopingDocumentTextBox.Text); this.xadesSignedXml = new XadesSignedXml(this.envelopedSignatureXmlDocument); reference.Uri = ""; XmlDsigC14NTransform xmlDsigC14NTransform = new XmlDsigC14NTransform(); reference.AddTransform(xmlDsigC14NTransform); xmlDsigEnvelopedSignatureTransform = new XmlDsigEnvelopedSignatureTransform(); reference.AddTransform(xmlDsigEnvelopedSignatureTransform); } else { if (this.newSignatureCheckBox.Checked) { this.xadesSignedXml = new XadesSignedXml(); this.documentDataObjectCounter = 1; } if (this.includedXmlRadioButton.Checked) { reference.Uri = "#" + this.objectIdPrefixTextBox.Text + this.documentDataObjectCounter.ToString(); reference.Type = SignedXml.XmlDsigNamespaceUrl + "Object"; //Add an object System.Security.Cryptography.Xml.DataObject dataObject = new System.Security.Cryptography.Xml.DataObject(); XmlDocument xmlDocument = new XmlDocument(); xmlDocument.PreserveWhitespace = true; xmlDocument.LoadXml(this.includedXmltextBox.Text); dataObject.Data = xmlDocument.ChildNodes; dataObject.Id = this.objectIdPrefixTextBox.Text + this.documentDataObjectCounter.ToString(); this.xadesSignedXml.AddObject(dataObject); } else { reference.Uri = this.externalDocumentUrlTextBox.Text; if (reference.Uri.EndsWith(".xml") || reference.Uri.EndsWith(".XML")) { reference.AddTransform(new XmlDsigC14NTransform()); } } } this.xadesSignedXml.AddReference(reference); this.documentDataObjectCounter++; this.nextObjectIdSuffixLabel.Text = this.documentDataObjectCounter.ToString(); }
/// <summary> /// Carga el documento XML especificado y establece para firmar el elemento especificado en elementId /// </summary> /// <param name="xmlDocument"></param> /// <param name="elementId"></param> /// <param name="mimeType"></param> public void SetContentInternallyDetached(XmlDocument xmlDocument, string elementId, string mimeType) { _document = (XmlDocument)xmlDocument.Clone(); _document.PreserveWhitespace = true; Reference reference = new Reference(); reference.Uri = "#" + elementId; reference.Id = "Reference-" + Guid.NewGuid().ToString(); _objectReference = reference.Id; _mimeType = mimeType; if (mimeType == "text/xml") { XmlDsigC14NTransform transform = new XmlDsigC14NTransform(); reference.AddTransform(transform); } else { XmlDsigBase64Transform transform = new XmlDsigBase64Transform(); reference.AddTransform(transform); } _xadesSignedXml = new XadesSignedXml(_document); _xadesSignedXml.AddReference(reference); }
private void checkSignatureButton_Click(object sender, System.EventArgs e) { XmlDocument xmlDocument; XmlNodeList signatureNodeList; XadesCheckSignatureMasks composedMask; bool checkResult; try { this.signatureTypeLabel.Text = "..."; this.checkSignatureLabel.Text = "..."; this.Refresh(); xmlDocument = new XmlDocument(); xmlDocument.PreserveWhitespace = true; xmlDocument.Load(this.signatureFileToReadTextBox.Text); this.xadesSignedXml = new XadesSignedXml(xmlDocument.DocumentElement); //Needed if it is a enveloped signature document signatureNodeList = xmlDocument.GetElementsByTagName("Signature"); if (signatureNodeList.Count == 0) { signatureNodeList = xmlDocument.GetElementsByTagName("Signature", SignedXml.XmlDsigNamespaceUrl); } this.xadesSignedXml.LoadXml((XmlElement)signatureNodeList[0]); if (!this.readOnlyNoCheckcheckBox.Checked) { composedMask = this.ComposeMask(); checkResult = this.xadesSignedXml.XadesCheckSignature(composedMask); this.checkSignatureLabel.Text = checkResult.ToString(); if (checkResult == false) { this.checkSignatureLabel.ForeColor = Color.Red; } else { this.checkSignatureLabel.ForeColor = Color.Black; } } this.signatureTypeLabel.Text = this.xadesSignedXml.SignatureStandard.ToString(); this.verifyXmlRenderTree.RenderXmlNode(this.xadesSignedXml.GetXml()); } catch (Exception exception) { this.signatureTypeLabel.Text = this.xadesSignedXml.SignatureStandard.ToString(); if (exception.InnerException != null) { MessageBox.Show("Exception: " + exception.Message + " -> " + exception.InnerException.Message); } else { MessageBox.Show("Exception: " + exception.Message); } } }
/// <summary> /// Realiza el proceso de firmado /// </summary> /// <param name="certificate"></param> /// <param name="signMethod"></param> public void Sign(X509Certificate2 certificate, SignMethod? signMethod = null) { if (certificate == null) { throw new Exception("Es necesario un certificado válido para la firma."); } if (signMethod.HasValue) { this.SignMethod = signMethod.Value; } if (!string.IsNullOrEmpty(_signatureId) && _document != null && _document.SelectSingleNode("//*[@Id='" + _signatureId + "']") != null) { throw new Exception("El documento ya ha sido firmado, debe seleccionar otro método de firma."); } if (string.IsNullOrEmpty(_signatureId)) { SetSignatureId(); } _signCertificate = certificate; AddCertificateInfo(); AddXadesInfo(); foreach (Reference reference in _xadesSignedXml.SignedInfo.References) { reference.DigestMethod = _refsMethodUri; } _xadesSignedXml.SignedInfo.SignatureMethod = _signMethodUri; ComputeSignature(); UpdateDocument(); XmlNode xmlNode = _document.SelectSingleNode("//*[@Id='" + _signatureId + "']"); _xadesSignedXml = new XadesSignedXml(_document); _xadesSignedXml.LoadXml((XmlElement)xmlNode); }
private static XadesSignedXml CreateFromXmlDocument(XmlDocument envelopedSignatureXmlDocument) { XmlDsigEnvelopedSignatureTransform xmlDsigEnvelopedSignatureTransform; Reference reference; reference = new Reference(); var xadesSignedXml = new XadesSignedXml(envelopedSignatureXmlDocument); reference.Uri = ""; reference.Id = "xml_ref_id"; //TODO jbonilla - Parameter? //reference.DigestMethod = "http://www.w3.org/2001/04/xmlenc#sha256"; reference.DigestMethod = SignedXml.XmlDsigSHA1Url; // ETSI TS 103 171 V2.1.1 // 6.2.4 Transforms within ds:Reference element { //XmlDsigC14NTransform xmlDsigC14NTransform = new XmlDsigC14NTransform(); //reference.AddTransform(xmlDsigC14NTransform); xmlDsigEnvelopedSignatureTransform = new XmlDsigEnvelopedSignatureTransform(); reference.AddTransform(xmlDsigEnvelopedSignatureTransform); //jbonilla - Para permitir multifirmas (co-firmas) Dictionary<string, string> namespaces = new Dictionary<string, string>(); namespaces.Add("ds", "http://www.w3.org/2000/09/xmldsig#"); var xmlDsigXPathTransform = CreateXPathTransform("not(ancestor-or-self::ds:Signature)", namespaces); reference.AddTransform(xmlDsigXPathTransform); } xadesSignedXml.AddReference(reference); // ETSI TS 103 171 V2.1.1 // 6.2.2 Canonicalization of ds:SignedInfo element xadesSignedXml.SignedInfo.CanonicalizationMethod = SignedXml.XmlDsigC14NTransformUrl;//"http://www.w3.org/2001/10/xml-exc-c14n#"; //xadesSignedXml.SignedInfo.SignatureMethod = "http://www.w3.org/2001/04/xmldsig-more#rsa-sha256"; xadesSignedXml.SignedInfo.SignatureMethod = SignedXml.XmlDsigRSASHA1Url; return xadesSignedXml; }