public void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("enc", EncryptedXml.XmlEncNamespaceUrl);
XmlNode cipherValueNode = value.SelectSingleNode("enc:CipherValue", nsm);
XmlNode cipherReferenceNode = value.SelectSingleNode("enc:CipherReference", nsm);
if (cipherValueNode != null)
{
if (cipherReferenceNode != null)
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_CipherValueElementRequired);
}
_cipherValue = Convert.FromBase64String(Utils.DiscardWhiteSpaces(cipherValueNode.InnerText));
}
else if (cipherReferenceNode != null)
{
_cipherReference = new CipherReference();
_cipherReference.LoadXml((XmlElement)cipherReferenceNode);
}
else
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_CipherValueElementRequired);
}
// Save away the cached value
_cachedXml = value;
}
internal XmlElement GetXml(XmlDocument document)
{
XmlElement cipherDataElement = document.CreateElement("CipherData", XmlNameSpace.Url[NS.XmlEncNamespaceUrl]);
if (CipherValue != null)
{
XmlElement cipherValueElement = document.CreateElement("CipherValue", XmlNameSpace.Url[NS.XmlEncNamespaceUrl]);
cipherValueElement.AppendChild(document.CreateTextNode(Convert.ToBase64String(CipherValue)));
cipherDataElement.AppendChild(cipherValueElement);
}
else
{
if (CipherReference == null)
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_CipherValueElementRequired);
}
cipherDataElement.AppendChild(CipherReference.GetXml(document));
}
return(cipherDataElement);
}
internal XmlElement GetXml(XmlDocument document)
{
// Create the CipherData element
XmlElement cipherDataElement = (XmlElement)document.CreateElement("CipherData", EncryptedXml.XmlEncNamespaceUrl);
if (CipherValue != null)
{
XmlElement cipherValueElement = document.CreateElement("CipherValue", EncryptedXml.XmlEncNamespaceUrl);
cipherValueElement.AppendChild(document.CreateTextNode(Convert.ToBase64String(CipherValue)));
cipherDataElement.AppendChild(cipherValueElement);
}
else
{
// No CipherValue specified, see if there is a CipherReference
if (CipherReference == null)
{
throw new System.Security.Cryptography.CryptographicException(SR.Cryptography_Xml_CipherValueElementRequired);
}
cipherDataElement.AppendChild(CipherReference.GetXml(document));
}
return(cipherDataElement);
}
public CipherData(CipherReference cipherReference)
{
CipherReference = cipherReference;
}