internal XmlElement GetXml(XmlDocument document)
{
XmlElement element1 = document.CreateElement(nameof(EncryptedKey), "http://www.w3.org/2001/04/xmlenc#");
if (!string.IsNullOrEmpty(Id))
{
element1.SetAttribute("Id", Id);
}
if (!string.IsNullOrEmpty(Type))
{
element1.SetAttribute("Type", Type);
}
if (!string.IsNullOrEmpty(MimeType))
{
element1.SetAttribute("MimeType", MimeType);
}
if (!string.IsNullOrEmpty(Encoding))
{
element1.SetAttribute("Encoding", Encoding);
}
if (!string.IsNullOrEmpty(Recipient))
{
element1.SetAttribute("Recipient", Recipient);
}
if (EncryptionMethod != null)
{
element1.AppendChild((XmlNode)EncryptionMethod.GetXml(document));
}
if (KeyInfo.Count > 0)
{
element1.AppendChild((XmlNode)KeyInfo.GetXml(document));
}
if (CipherData == null)
{
throw new CryptographicException("Cryptography_Xml_MissingCipherData");
}
element1.AppendChild((XmlNode)CipherData.GetXml(document));
if (EncryptionProperties.Count > 0)
{
XmlElement element2 = document.CreateElement("EncryptionProperties", "http://www.w3.org/2001/04/xmlenc#");
for (int index = 0; index < EncryptionProperties.Count; ++index)
{
EncryptionProperty encryptionProperty = EncryptionProperties[index];
element2.AppendChild((XmlNode)encryptionProperty.GetXml(document));
}
element1.AppendChild((XmlNode)element2);
}
if (ReferenceList.Count > 0)
{
XmlElement element2 = document.CreateElement("ReferenceList", "http://www.w3.org/2001/04/xmlenc#");
for (int index = 0; index < ReferenceList.Count; ++index)
{
element2.AppendChild((XmlNode)ReferenceList[index].GetXml(document));
}
element1.AppendChild((XmlNode)element2);
}
if (CarriedKeyName != null)
{
XmlElement element2 = document.CreateElement("CarriedKeyName", "http://www.w3.org/2001/04/xmlenc#");
XmlText textNode = document.CreateTextNode(CarriedKeyName);
element2.AppendChild((XmlNode)textNode);
element1.AppendChild((XmlNode)element2);
}
return(element1);
}
/// <summary>Loads the specified XML information into the <see langword="<EncryptedKey>" /> element in XML encryption.</summary>
/// <param name="value">An <see cref="T:System.Xml.XmlElement" /> representing an XML element to use for the <see langword="<EncryptedKey>" /> element.</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 <see cref="T:System.Security.Cryptography.Xml.CipherData" /> element.</exception>
public override 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#");
nsmgr.AddNamespace("ds", "http://www.w3.org/2000/09/xmldsig#");
Id = Exml.GetAttribute(value, "Id", "http://www.w3.org/2001/04/xmlenc#");
Type = Exml.GetAttribute(value, "Type", "http://www.w3.org/2001/04/xmlenc#");
MimeType = Exml.GetAttribute(value, "MimeType", "http://www.w3.org/2001/04/xmlenc#");
Encoding = Exml.GetAttribute(value, "Encoding", "http://www.w3.org/2001/04/xmlenc#");
Recipient = Exml.GetAttribute(value, "Recipient", "http://www.w3.org/2001/04/xmlenc#");
XmlNode xmlNode1 = value.SelectSingleNode("enc:EncryptionMethod", nsmgr);
EncryptionMethod = new EncryptionMethod();
if (xmlNode1 != null)
{
EncryptionMethod.LoadXml(xmlNode1 as XmlElement);
}
KeyInfo = new KeyInfo();
XmlNode xmlNode2 = value.SelectSingleNode("ds:KeyInfo", nsmgr);
if (xmlNode2 != null)
{
KeyInfo.LoadXml(xmlNode2 as XmlElement);
}
XmlNode xmlNode3 = value.SelectSingleNode("enc:CipherData", nsmgr);
if (xmlNode3 == null)
{
throw new CryptographicException("Cryptography_Xml_MissingCipherData");
}
CipherData = new CipherData();
CipherData.LoadXml(xmlNode3 as XmlElement);
XmlNode xmlNode4 = value.SelectSingleNode("enc:EncryptionProperties", nsmgr);
if (xmlNode4 != null)
{
XmlNodeList xmlNodeList = xmlNode4.SelectNodes("enc:EncryptionProperty", nsmgr);
if (xmlNodeList != null)
{
foreach (XmlNode xmlNode5 in xmlNodeList)
{
EncryptionProperty encryptionProperty = new EncryptionProperty();
encryptionProperty.LoadXml(xmlNode5 as XmlElement);
EncryptionProperties.Add(encryptionProperty);
}
}
}
XmlNode xmlNode6 = value.SelectSingleNode("enc:CarriedKeyName", nsmgr);
if (xmlNode6 != null)
{
CarriedKeyName = xmlNode6.InnerText;
}
XmlNode xmlNode7 = value.SelectSingleNode("enc:ReferenceList", nsmgr);
if (xmlNode7 != null)
{
XmlNodeList xmlNodeList1 = xmlNode7.SelectNodes("enc:DataReference", nsmgr);
if (xmlNodeList1 != null)
{
foreach (XmlNode xmlNode5 in xmlNodeList1)
{
DataReference dataReference = new DataReference();
dataReference.LoadXml(xmlNode5 as XmlElement);
ReferenceList.Add((object)dataReference);
}
}
XmlNodeList xmlNodeList2 = xmlNode7.SelectNodes("enc:KeyReference", nsmgr);
if (xmlNodeList2 != null)
{
foreach (XmlNode xmlNode5 in xmlNodeList2)
{
KeyReference keyReference = new KeyReference();
keyReference.LoadXml(xmlNode5 as XmlElement);
ReferenceList.Add((object)keyReference);
}
}
}
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)");
}
}
