/// <summary>Loads XML data from an <see cref="T:System.Xml.XmlElement" /> into a <see cref="T:System.Security.Cryptography.Xml.CipherData" /> object.</summary>
/// <param name="value">An <see cref="T:System.Xml.XmlElement" /> that represents the XML data to load.</param>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="value" /> parameter is <see langword="null" />.</exception>
/// <exception cref="T:System.Security.Cryptography.CryptographicException">The <see cref="P:System.Security.Cryptography.Xml.CipherData.CipherValue" /> property and the <see cref="P:System.Security.Cryptography.Xml.CipherData.CipherReference" /> property are <see langword="null" />.</exception>
public void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
XmlNamespaceManager nsmgr = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsmgr.AddNamespace("enc", "http://www.w3.org/2001/04/xmlenc#");
XmlNode xmlNode1 = value.SelectSingleNode("enc:CipherValue", nsmgr);
XmlNode xmlNode2 = value.SelectSingleNode("enc:CipherReference", nsmgr);
if (xmlNode1 != null)
{
if (xmlNode2 != null)
{
throw new CryptographicException("Cryptography_Xml_CipherValueElementRequired");
}
this.m_cipherValue = Convert.FromBase64String(Exml.DiscardWhiteSpaces(xmlNode1.InnerText));
}
else
{
if (xmlNode2 == null)
{
throw new CryptographicException("Cryptography_Xml_CipherValueElementRequired");
}
this.m_cipherReference = new CipherReference();
this.m_cipherReference.LoadXml((XmlElement)xmlNode2);
}
this.m_cachedXml = value;
}
/// <summary>Parses the input <see cref="T:System.Xml.XmlElement" /> object and configures the internal state of the <see cref="T:System.Security.Cryptography.Xml.KeyInfoX509Data" /> object to match.</summary>
/// <param name="element">The <see cref="T:System.Xml.XmlElement" /> object that specifies the state of the <see cref="T:System.Security.Cryptography.Xml.KeyInfoX509Data" /> object. </param>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="element" /> parameter is <see langword="null" />.</exception>
/// <exception cref="T:System.Security.Cryptography.CryptographicException">The <paramref name="element" /> parameter does not contain an <<see langword="X509IssuerName" />> node.-or-The <paramref name="element" /> parameter does not contain an <<see langword="X509SerialNumber" />> node.</exception>
public override void LoadXml(XmlElement element)
{
if (element == null)
{
throw new ArgumentNullException(nameof(element));
}
XmlNamespaceManager nsmgr = new XmlNamespaceManager(element.OwnerDocument.NameTable);
nsmgr.AddNamespace("ds", "http://www.w3.org/2000/09/xmldsig#");
XmlNodeList xmlNodeList1 = element.SelectNodes("ds:X509IssuerSerial", nsmgr);
XmlNodeList xmlNodeList2 = element.SelectNodes("ds:X509SKI", nsmgr);
XmlNodeList xmlNodeList3 = element.SelectNodes("ds:X509SubjectName", nsmgr);
XmlNodeList xmlNodeList4 = element.SelectNodes("ds:X509Certificate", nsmgr);
XmlNodeList xmlNodeList5 = element.SelectNodes("ds:X509CRL", nsmgr);
if (xmlNodeList5.Count == 0 && xmlNodeList1.Count == 0 && (xmlNodeList2.Count == 0 && xmlNodeList3.Count == 0) && xmlNodeList4.Count == 0)
{
throw new CryptographicException("Invalid XML element: X509Data");
}
this.Clear();
if (xmlNodeList5.Count != 0)
{
this.m_CRL = Convert.FromBase64String(Exml.DiscardWhiteSpaces(xmlNodeList5.Item(0).InnerText));
}
foreach (XmlNode xmlNode1 in xmlNodeList1)
{
XmlNode xmlNode2 = xmlNode1.SelectSingleNode("ds:X509IssuerName", nsmgr);
XmlNode xmlNode3 = xmlNode1.SelectSingleNode("ds:X509SerialNumber", nsmgr);
if (xmlNode2 == null || xmlNode3 == null)
{
throw new CryptographicException("Invalid XML element: IssuerSerial");
}
this.InternalAddIssuerSerial(xmlNode2.InnerText.Trim(), xmlNode3.InnerText.Trim());
}
foreach (XmlNode xmlNode in xmlNodeList2)
{
this.AddSubjectKeyId(Convert.FromBase64String(Exml.DiscardWhiteSpaces(xmlNode.InnerText)));
}
foreach (XmlNode xmlNode in xmlNodeList3)
{
this.AddSubjectName(xmlNode.InnerText.Trim());
}
foreach (XmlNode xmlNode in xmlNodeList4)
{
this.AddCertificate((X509Certificate) new X509Certificate2(Convert.FromBase64String(Exml.DiscardWhiteSpaces(xmlNode.InnerText))));
}
}
/// <summary>Loads a <see cref="T:System.Security.Cryptography.Xml.Reference" /> state from an XML element.</summary>
/// <param name="value">The XML element from which to load the <see cref="T:System.Security.Cryptography.Xml.Reference" /> state. </param>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="value" /> parameter is <see langword="null" />. </exception>
/// <exception cref="T:System.Security.Cryptography.CryptographicException">The <paramref name="value" /> parameter does not contain any transforms.-or- The <paramref name="value" /> parameter contains an unknown transform. </exception>
public void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
this.m_id = GetAttribute(value, "Id", "http://www.w3.org/2000/09/xmldsig#");
this.m_uri = GetAttribute(value, "URI", "http://www.w3.org/2000/09/xmldsig#");
this.m_type = GetAttribute(value, "Type", "http://www.w3.org/2000/09/xmldsig#");
if (!VerifyAttributes(value, "Id", "URI", "Type"))
{
throw new CryptographicException("Cryptography exception: Invalid XML element");
}
XmlNamespaceManager nsmgr = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsmgr.AddNamespace("ds", "http://www.w3.org/2000/09/xmldsig#");
bool flag = false;
this.TransformChain = new TransformChain();
XmlNodeList xmlNodeList1 = value.SelectNodes("ds:Transforms", nsmgr);
if (xmlNodeList1 != null && xmlNodeList1.Count != 0)
{
flag = true;
XmlElement element1 = xmlNodeList1[0] as XmlElement;
if (!VerifyAttributes(element1))
{
throw new CryptographicException("Cryptography error: Invalid XML element: Reference/Transforms");
}
XmlNodeList xmlNodeList2 = element1.SelectNodes("ds:Transform", nsmgr);
if (xmlNodeList2 != null)
{
if ((long)xmlNodeList2.Count > 10)
{
throw new CryptographicException("Cryptography error: Invalid XML element: Reference/Transforms, too many transforms");
}
foreach (XmlNode xmlNode1 in xmlNodeList2)
{
XmlElement element2 = xmlNode1 as XmlElement;
string attribute = GetAttribute(element2, "Algorithm", "http://www.w3.org/2000/09/xmldsig#");
if (attribute == null || !VerifyAttributes(element2, "Algorithm"))
{
throw new CryptographicException("Cryptography error: Invalid XML element: Unknown transform");
}
Transform fromName = CreateFromName <Transform>(attribute);
if (fromName == null)
{
throw new CryptographicException("Cryptography error: Invalid XML element: Unknown transform (name)");
}
this.AddTransform(fromName);
fromName.LoadInnerXml(element2.ChildNodes);
if (fromName is XmlDsigEnvelopedSignatureTransform)
{
XmlNode xmlNode2 = element2.SelectSingleNode("ancestor::ds:Signature[1]", nsmgr);
XmlNodeList xmlNodeList3 = element2.SelectNodes("//ds:Signature", nsmgr);
if (xmlNodeList3 != null)
{
int num = 0;
foreach (XmlNode xmlNode3 in xmlNodeList3)
{
++num;
if (xmlNode3 == xmlNode2)
{
((XmlDsigEnvelopedSignatureTransform)fromName).SignaturePosition = num;
break;
}
}
}
}
}
}
}
XmlNodeList xmlNodeList4 = value.SelectNodes("ds:DigestMethod", nsmgr);
if (xmlNodeList4 == null || xmlNodeList4.Count == 0)
{
throw new CryptographicException("Cryptography error: XML has invalid element: Reference/DigestMethod (1)");
}
XmlElement element3 = xmlNodeList4[0] as XmlElement;
this.m_digestMethod = GetAttribute(element3, "Algorithm", "http://www.w3.org/2000/09/xmldsig#");
if (this.m_digestMethod == null || !VerifyAttributes(element3, "Algorithm"))
{
throw new CryptographicException("Cryptography error: XML has invalid element: Reference/DigestMethod (2)");
}
XmlNodeList xmlNodeList5 = value.SelectNodes("ds:DigestValue", nsmgr);
if (xmlNodeList5 == null || xmlNodeList5.Count == 0 || xmlNodeList5.Count > 1)
{
throw new CryptographicException("Cryptography error: XML has invalid element: Reference/DigestValue (1)");
}
XmlElement element4 = xmlNodeList5[0] as XmlElement;
this.m_digestValue = Convert.FromBase64String(Exml.DiscardWhiteSpaces(element4.InnerText, 0, element4.InnerText.Length));
if (!VerifyAttributes(element4))
{
throw new CryptographicException("Cryptography error: XML has invalid element: Reference/DigestValue (2)");
}
int num1 = flag ? 3 : 2;
if (value.SelectNodes("*").Count != num1)
{
throw new CryptographicException("Cryptography error: XML has invalid element: Reference/*");
}
this.m_cachedXml = value;
}
/// <summary>Loads a <see cref="T:System.Security.Cryptography.Xml.Signature" /> state from an XML element.</summary>
/// <param name="value">The XML element from which to load the <see cref="T:System.Security.Cryptography.Xml.Signature" /> state. </param>
/// <exception cref="T:System.ArgumentNullException">The <paramref name="value" /> parameter is <see langword="null" />. </exception>
/// <exception cref="T:System.Security.Cryptography.CryptographicException">The <paramref name="value" /> parameter does not contain a valid <see cref="P:System.Security.Cryptography.Xml.Signature.SignatureValue" />.-or- The <paramref name="value" /> parameter does not contain a valid <see cref="P:System.Security.Cryptography.Xml.Signature.SignedInfo" />. </exception>
public void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
XmlElement element1 = value;
if (!element1.LocalName.Equals(nameof(Signature)))
{
throw new CryptographicException("Invalid element: Signature (1)");
}
this.m_id = Exml.GetAttribute(element1, "Id", "http://www.w3.org/2000/09/xmldsig#");
if (!Exml.VerifyAttributes(element1, "Id"))
{
throw new CryptographicException("Invalid element: Signature (2)");
}
XmlNamespaceManager nsmgr = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsmgr.AddNamespace("ds", "http://www.w3.org/2000/09/xmldsig#");
int num1 = 0;
XmlNodeList xmlNodeList1 = element1.SelectNodes("ds:SignedInfo", nsmgr);
if (xmlNodeList1 == null || xmlNodeList1.Count == 0 || xmlNodeList1.Count > 1)
{
throw new CryptographicException("Invalid element: SignedInfo");
}
XmlElement xmlElement1 = xmlNodeList1[0] as XmlElement;
int num2 = num1 + xmlNodeList1.Count;
this.SignedInfo = new SignedInfo();
this.SignedInfo.LoadXml(xmlElement1);
XmlNodeList xmlNodeList2 = element1.SelectNodes("ds:SignatureValue", nsmgr);
if (xmlNodeList2 == null || xmlNodeList2.Count == 0 || xmlNodeList2.Count > 1)
{
throw new CryptographicException("Invalid element: SignatureValue (1)");
}
XmlElement element2 = xmlNodeList2[0] as XmlElement;
int num3 = num2 + xmlNodeList2.Count;
this.m_signatureValue = Convert.FromBase64String(Exml.DiscardWhiteSpaces(element2.InnerText, 0, element2.InnerText.Length));
this.m_signatureValueId = Exml.GetAttribute(element2, "Id", "http://www.w3.org/2000/09/xmldsig#");
if (!Exml.VerifyAttributes(element2, "Id"))
{
throw new CryptographicException("Invalid element: SignatureValue (2)");
}
XmlNodeList xmlNodeList3 = element1.SelectNodes("ds:KeyInfo", nsmgr);
this.m_keyInfo = new KeyInfo();
if (xmlNodeList3 != null)
{
if (xmlNodeList3.Count > 1)
{
throw new CryptographicException("Invalid element: KeyInfo");
}
foreach (XmlNode xmlNode in xmlNodeList3)
{
XmlElement xmlElement2 = xmlNode as XmlElement;
if (xmlElement2 != null)
{
this.m_keyInfo.LoadXml(xmlElement2);
}
}
num3 += xmlNodeList3.Count;
}
XmlNodeList xmlNodeList4 = element1.SelectNodes("ds:Object", nsmgr);
this.m_embeddedObjects.Clear();
if (xmlNodeList4 != null)
{
foreach (XmlNode xmlNode in xmlNodeList4)
{
XmlElement xmlElement2 = xmlNode as XmlElement;
if (xmlElement2 != null)
{
DataObject dataObject = new DataObject();
dataObject.LoadXml(xmlElement2);
this.m_embeddedObjects.Add((object)dataObject);
}
}
num3 += xmlNodeList4.Count;
}
XmlNodeList xmlNodeList5 = element1.SelectNodes("//*[@Id]", nsmgr);
if (xmlNodeList5 != null)
{
foreach (XmlNode xmlNode in xmlNodeList5)
{
this.m_referencedItems.Add((object)xmlNode);
}
}
if (element1.SelectNodes("*").Count != num3)
{
throw new CryptographicException("Invalid element: Signature (3)");
}
}