/// <summary>Adds a <see cref="T:System.Security.Cryptography.Xml.DataObject" /> to the list of objects to be signed.</summary>
/// <param name="dataObject">The <see cref="T:System.Security.Cryptography.Xml.DataObject" /> to be added to the list of objects to be signed. </param>
public void AddObject(DataObject dataObject)
{
this.m_embeddedObjects.Add((object)dataObject);
}
/// <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)");
}
}