//
// public static methods
//
// replaces the inputElement with the provided EncryptedData
public static void ReplaceElement(XmlElement inputElement, EncryptedData encryptedData, bool content)
{
if (inputElement == null)
{
throw new ArgumentNullException("inputElement");
}
if (encryptedData == null)
{
throw new ArgumentNullException("encryptedData");
}
// First, get the XML representation of the EncryptedData object
XmlElement elemED = encryptedData.GetXml(inputElement.OwnerDocument);
switch (content)
{
case true:
// remove all children of the input element
Utils.RemoveAllChildren(inputElement);
// then append the encrypted data as a child of the input element
inputElement.AppendChild(elemED);
break;
case false:
XmlNode parentNode = inputElement.ParentNode;
// remove the input element from the containing document
parentNode.ReplaceChild(elemED, inputElement);
break;
}
}
public static void ReplaceElement(XmlElement inputElement, EncryptedData encryptedData, bool content)
{
if (inputElement == null)
{
throw new ArgumentNullException("inputElement");
}
if (encryptedData == null)
{
throw new ArgumentNullException("encryptedData");
}
XmlDocument ownerDocument = inputElement.OwnerDocument;
inputElement.ParentNode.ReplaceChild(encryptedData.GetXml(ownerDocument), inputElement);
}
public override XmlNode Encrypt(XmlNode node)
{
// Load config section to encrypt into xmlDocument instance
XmlDocument doc = new XmlDocument { PreserveWhitespace = true };
doc.LoadXml(node.OuterXml);
// Create Rijndael key.
RijndaelManaged sessionKey = new RijndaelManaged();
sessionKey.KeySize = 256;
EncryptedXml eXml = new EncryptedXml();
XmlElement elementToEncrypt = (XmlElement)node;
byte[] encryptedElement = eXml.EncryptData(elementToEncrypt, sessionKey, false);
EncryptedData edElement = new EncryptedData();
edElement.Type = EncryptedXml.XmlEncElementUrl;
edElement.EncryptionMethod = new EncryptionMethod(EncryptedXml.XmlEncAES256Url);
// Encrypt the session key and add it to an EncryptedKey element.
EncryptedKey ek = new EncryptedKey();
byte[] encryptedKey = EncryptedXml.EncryptKey(sessionKey.Key, this.rsaKey, false);
ek.CipherData = new CipherData(encryptedKey);
ek.EncryptionMethod = new EncryptionMethod(EncryptedXml.XmlEncRSA15Url);
// Set the KeyInfo element to specify the name of the RSA key.
edElement.KeyInfo = new KeyInfo();
KeyInfoName kin = new KeyInfoName();
kin.Value = this.keyName;
// Add the KeyInfoName element to the
// EncryptedKey object.
ek.KeyInfo.AddClause(kin);
edElement.KeyInfo.AddClause(new KeyInfoEncryptedKey(ek));
// Add the encrypted element data to the
// EncryptedData object.
edElement.CipherData.CipherValue = encryptedElement;
// EncryptedXml.ReplaceElement(elementToEncrypt, edElement, false);
return edElement.GetXml();
}
public static void ReplaceElement(XmlElement inputElement, EncryptedData encryptedData, bool content)
{
if (inputElement == null)
{
throw new ArgumentNullException("inputElement");
}
if (encryptedData == null)
{
throw new ArgumentNullException("encryptedData");
}
XmlElement xml = encryptedData.GetXml(inputElement.OwnerDocument);
switch (content)
{
case false:
inputElement.ParentNode.ReplaceChild(xml, inputElement);
return;
case true:
System.Security.Cryptography.Xml.Utils.RemoveAllChildren(inputElement);
inputElement.AppendChild(xml);
return;
}
}
//
// public static methods
//
// replaces the inputElement with the provided EncryptedData
public static void ReplaceElement (XmlElement inputElement, EncryptedData encryptedData, bool content) {
if (inputElement == null)
throw new ArgumentNullException("inputElement");
if (encryptedData == null)
throw new ArgumentNullException("encryptedData");
// First, get the XML representation of the EncryptedData object
XmlElement elemED = encryptedData.GetXml(inputElement.OwnerDocument);
switch (content) {
case true:
// remove all children of the input element
Utils.RemoveAllChildren(inputElement);
// then append the encrypted data as a child of the input element
inputElement.AppendChild(elemED);
break;
case false:
XmlNode parentNode = inputElement.ParentNode;
// remove the input element from the containing document
parentNode.ReplaceChild(elemED, inputElement);
break;
}
}
public static void ReplaceElement (XmlElement inputElement, EncryptedData encryptedData, bool content)
{
XmlDocument ownerDocument = inputElement.OwnerDocument;
inputElement.ParentNode.ReplaceChild (encryptedData.GetXml (ownerDocument), inputElement);
}
public static void ReplaceElement (XmlElement inputElement, EncryptedData encryptedData, bool content)
{
if (inputElement == null)
throw new ArgumentNullException ("inputElement");
if (encryptedData == null)
throw new ArgumentNullException ("encryptedData");
XmlDocument ownerDocument = inputElement.OwnerDocument;
inputElement.ParentNode.ReplaceChild (encryptedData.GetXml (ownerDocument), inputElement);
}
public static void ReplaceElement(XmlElement inputElement, EncryptedData encryptedData, bool content)
{
if (inputElement == null)
{
throw new ArgumentNullException("inputElement");
}
if (encryptedData == null)
{
throw new ArgumentNullException("encryptedData");
}
XmlElement xml = encryptedData.GetXml(inputElement.OwnerDocument);
switch (content)
{
case false:
inputElement.ParentNode.ReplaceChild(xml, inputElement);
return;
case true:
System.Security.Cryptography.Xml.Utils.RemoveAllChildren(inputElement);
inputElement.AppendChild(xml);
return;
}
}
