public override void LoadXml (XmlElement value) {
if (value == null)
throw new ArgumentNullException("value");
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("enc", EncryptedXml.XmlEncNamespaceUrl);
nsm.AddNamespace("ds",SignedXml.XmlDsigNamespaceUrl);
this.Id = Utils.GetAttribute(value, "Id", EncryptedXml.XmlEncNamespaceUrl);
this.Type = Utils.GetAttribute(value, "Type", EncryptedXml.XmlEncNamespaceUrl);
this.MimeType = Utils.GetAttribute(value, "MimeType", EncryptedXml.XmlEncNamespaceUrl);
this.Encoding = Utils.GetAttribute(value, "Encoding", EncryptedXml.XmlEncNamespaceUrl);
this.Recipient = Utils.GetAttribute(value, "Recipient", EncryptedXml.XmlEncNamespaceUrl);
XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);
// EncryptionMethod
this.EncryptionMethod = new EncryptionMethod();
if (encryptionMethodNode != null)
this.EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
// Key Info
this.KeyInfo = new KeyInfo();
XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);
if (keyInfoNode != null)
this.KeyInfo.LoadXml(keyInfoNode as XmlElement);
// CipherData
XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);
if (cipherDataNode == null)
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_MissingCipherData"));
this.CipherData = new CipherData();
this.CipherData.LoadXml(cipherDataNode as XmlElement);
// EncryptionProperties
XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);
if (encryptionPropertiesNode != null) {
// Select the EncryptionProperty elements inside the EncryptionProperties element
XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
if (encryptionPropertyNodes != null) {
foreach (XmlNode node in encryptionPropertyNodes) {
EncryptionProperty ep = new EncryptionProperty();
ep.LoadXml(node as XmlElement);
this.EncryptionProperties.Add(ep);
}
}
}
// CarriedKeyName
XmlNode carriedKeyNameNode = value.SelectSingleNode("enc:CarriedKeyName", nsm);
if (carriedKeyNameNode != null) {
this.CarriedKeyName = carriedKeyNameNode.InnerText;
}
// ReferenceList
XmlNode referenceListNode = value.SelectSingleNode("enc:ReferenceList", nsm);
if (referenceListNode != null) {
// Select the DataReference elements inside the ReferenceList element
XmlNodeList dataReferenceNodes = referenceListNode.SelectNodes("enc:DataReference", nsm);
if (dataReferenceNodes != null) {
foreach (XmlNode node in dataReferenceNodes) {
DataReference dr = new DataReference();
dr.LoadXml(node as XmlElement);
this.ReferenceList.Add(dr);
}
}
// Select the KeyReference elements inside the ReferenceList element
XmlNodeList keyReferenceNodes = referenceListNode.SelectNodes("enc:KeyReference", nsm);
if (keyReferenceNodes != null) {
foreach (XmlNode node in keyReferenceNodes) {
KeyReference kr = new KeyReference();
kr.LoadXml(node as XmlElement);
this.ReferenceList.Add(kr);
}
}
}
// Save away the cached value
m_cachedXml = value;
}
EncryptedData Encrypt (XmlElement target, SymmetricAlgorithm actualKey, string ekeyId, ReferenceList refList, SecurityKeyIdentifierClause encClause, EncryptedXml exml, XmlDocument doc)
{
SecurityAlgorithmSuite suite = security.Element.DefaultAlgorithmSuite;
SecurityTokenSerializer serializer = security.TokenSerializer;
byte [] encrypted = exml.EncryptData (target, actualKey, false);
EncryptedData edata = new EncryptedData ();
edata.Id = GenerateId (doc);
edata.Type = EncryptedXml.XmlEncElementContentUrl;
edata.EncryptionMethod = new EncryptionMethod (suite.DefaultEncryptionAlgorithm);
// FIXME: here wsse:DigestMethod should be embedded
// inside EncryptionMethod. Since it is not possible
// with S.S.C.Xml.EncryptionMethod, we will have to
// build our own XML encryption classes.
edata.CipherData.CipherValue = encrypted;
DataReference dr = new DataReference ();
dr.Uri = "#" + edata.Id;
refList.Add (dr);
if (ShouldOutputEncryptedKey && !CounterParameters.RequireDerivedKeys)
edata.KeyInfo = null;
else {
edata.KeyInfo = new KeyInfo ();
edata.KeyInfo.AddClause (new SecurityTokenReferenceKeyInfo (encClause, serializer, doc));
}
return edata;
}
public override void LoadXml (XmlElement value)
{
if (value == null)
throw new ArgumentNullException ("value");
if ((value.LocalName != XmlEncryption.ElementNames.EncryptedKey) || (value.NamespaceURI != EncryptedXml.XmlEncNamespaceUrl))
throw new CryptographicException ("Malformed EncryptedKey element.");
else {
EncryptionMethod = null;
EncryptionMethod = null;
EncryptionProperties.Clear ();
ReferenceList.Clear ();
CarriedKeyName = null;
Id = null;
Type = null;
MimeType = null;
Encoding = null;
Recipient = null;
foreach (XmlNode n in value.ChildNodes) {
if (n is XmlWhitespace)
continue;
switch (n.LocalName) {
case XmlEncryption.ElementNames.EncryptionMethod:
EncryptionMethod = new EncryptionMethod ();
EncryptionMethod.LoadXml ((XmlElement) n);
break;
case XmlSignature.ElementNames.KeyInfo:
KeyInfo = new KeyInfo ();
KeyInfo.LoadXml ((XmlElement) n);
break;
case XmlEncryption.ElementNames.CipherData:
CipherData = new CipherData ();
CipherData.LoadXml ((XmlElement) n);
break;
case XmlEncryption.ElementNames.EncryptionProperties:
foreach (XmlElement element in ((XmlElement) n).GetElementsByTagName (XmlEncryption.ElementNames.EncryptionProperty, EncryptedXml.XmlEncNamespaceUrl))
EncryptionProperties.Add (new EncryptionProperty (element));
break;
case XmlEncryption.ElementNames.ReferenceList:
foreach (XmlNode r in ((XmlElement) n).ChildNodes) {
if (r is XmlWhitespace)
continue;
switch (r.LocalName) {
case XmlEncryption.ElementNames.DataReference:
DataReference dr = new DataReference ();
dr.LoadXml ((XmlElement) r);
AddReference (dr);
break;
case XmlEncryption.ElementNames.KeyReference:
KeyReference kr = new KeyReference ();
kr.LoadXml ((XmlElement) r);
AddReference (kr);
break;
}
}
break;
case XmlEncryption.ElementNames.CarriedKeyName:
CarriedKeyName = ((XmlElement) n).InnerText;
break;
}
}
if (value.HasAttribute (XmlEncryption.AttributeNames.Id))
Id = value.Attributes [XmlEncryption.AttributeNames.Id].Value;
if (value.HasAttribute (XmlEncryption.AttributeNames.Type))
Type = value.Attributes [XmlEncryption.AttributeNames.Type].Value;
if (value.HasAttribute (XmlEncryption.AttributeNames.MimeType))
MimeType = value.Attributes [XmlEncryption.AttributeNames.MimeType].Value;
if (value.HasAttribute (XmlEncryption.AttributeNames.Encoding))
Encoding = value.Attributes [XmlEncryption.AttributeNames.Encoding].Value;
if (value.HasAttribute (XmlEncryption.AttributeNames.Recipient))
Encoding = value.Attributes [XmlEncryption.AttributeNames.Recipient].Value;
}
}
public void AddReference (DataReference dataReference) {
ReferenceList.Add(dataReference);
}
public override void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException(nameof(value));
}
XmlNamespaceManager nsm = new XmlNamespaceManager(value.OwnerDocument.NameTable);
nsm.AddNamespace("enc", EncryptedXml.XmlEncNamespaceUrl);
nsm.AddNamespace("ds", SignedXml.XmlDsigNamespaceUrl);
Id = Utils.GetAttribute(value, "Id", EncryptedXml.XmlEncNamespaceUrl);
Type = Utils.GetAttribute(value, "Type", EncryptedXml.XmlEncNamespaceUrl);
MimeType = Utils.GetAttribute(value, "MimeType", EncryptedXml.XmlEncNamespaceUrl);
Encoding = Utils.GetAttribute(value, "Encoding", EncryptedXml.XmlEncNamespaceUrl);
Recipient = Utils.GetAttribute(value, "Recipient", EncryptedXml.XmlEncNamespaceUrl);
XmlNode encryptionMethodNode = value.SelectSingleNode("enc:EncryptionMethod", nsm);
// EncryptionMethod
EncryptionMethod = new EncryptionMethod();
if (encryptionMethodNode != null)
{
EncryptionMethod.LoadXml(encryptionMethodNode as XmlElement);
}
// Key Info
KeyInfo = new KeyInfo();
XmlNode keyInfoNode = value.SelectSingleNode("ds:KeyInfo", nsm);
if (keyInfoNode != null)
{
KeyInfo.LoadXml(keyInfoNode as XmlElement);
}
// CipherData
XmlNode cipherDataNode = value.SelectSingleNode("enc:CipherData", nsm);
if (cipherDataNode == null)
{
throw new CryptographicException(SR.Cryptography_Xml_MissingCipherData);
}
CipherData = new CipherData();
CipherData.LoadXml(cipherDataNode as XmlElement);
// EncryptionProperties
XmlNode encryptionPropertiesNode = value.SelectSingleNode("enc:EncryptionProperties", nsm);
if (encryptionPropertiesNode != null)
{
// Select the EncryptionProperty elements inside the EncryptionProperties element
XmlNodeList encryptionPropertyNodes = encryptionPropertiesNode.SelectNodes("enc:EncryptionProperty", nsm);
if (encryptionPropertyNodes != null)
{
foreach (XmlNode node in encryptionPropertyNodes)
{
EncryptionProperty ep = new EncryptionProperty();
ep.LoadXml(node as XmlElement);
EncryptionProperties.Add(ep);
}
}
}
// CarriedKeyName
XmlNode carriedKeyNameNode = value.SelectSingleNode("enc:CarriedKeyName", nsm);
if (carriedKeyNameNode != null)
{
CarriedKeyName = carriedKeyNameNode.InnerText;
}
// ReferenceList
XmlNode referenceListNode = value.SelectSingleNode("enc:ReferenceList", nsm);
if (referenceListNode != null)
{
// Select the DataReference elements inside the ReferenceList element
XmlNodeList dataReferenceNodes = referenceListNode.SelectNodes("enc:DataReference", nsm);
if (dataReferenceNodes != null)
{
foreach (XmlNode node in dataReferenceNodes)
{
DataReference dr = new DataReference();
dr.LoadXml(node as XmlElement);
ReferenceList.Add(dr);
}
}
// Select the KeyReference elements inside the ReferenceList element
XmlNodeList keyReferenceNodes = referenceListNode.SelectNodes("enc:KeyReference", nsm);
if (keyReferenceNodes != null)
{
foreach (XmlNode node in keyReferenceNodes)
{
KeyReference kr = new KeyReference();
kr.LoadXml(node as XmlElement);
ReferenceList.Add(kr);
}
}
}
// Save away the cached value
_cachedXml = value;
}
public void RoundtripSample1 ()
{
StringWriter sw = new StringWriter ();
// Encryption
{
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true;
doc.LoadXml ("<root> <child>sample</child> </root>");
XmlElement body = doc.DocumentElement;
RijndaelManaged aes = new RijndaelManaged ();
aes.Mode = CipherMode.CBC;
aes.KeySize = 256;
aes.IV = Convert.FromBase64String ("pBUM5P03rZ6AE4ZK5EyBrw==");
aes.Key = Convert.FromBase64String ("o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
aes.Padding = PaddingMode.Zeros;
EncryptedXml exml = new EncryptedXml ();
byte [] encrypted = exml.EncryptData (body, aes, false);
EncryptedData edata = new EncryptedData ();
edata.Type = EncryptedXml.XmlEncElementUrl;
edata.EncryptionMethod = new EncryptionMethod (EncryptedXml.XmlEncAES256Url);
EncryptedKey ekey = new EncryptedKey ();
// omit key encryption, here for testing
byte [] encKeyBytes = aes.Key;
ekey.CipherData = new CipherData (encKeyBytes);
ekey.EncryptionMethod = new EncryptionMethod (EncryptedXml.XmlEncRSA15Url);
DataReference dr = new DataReference ();
dr.Uri = "_0";
ekey.AddReference (dr);
edata.KeyInfo.AddClause (new KeyInfoEncryptedKey (ekey));
edata.KeyInfo = new KeyInfo ();
ekey.KeyInfo.AddClause (new RSAKeyValue (RSA.Create ()));
edata.CipherData.CipherValue = encrypted;
EncryptedXml.ReplaceElement (doc.DocumentElement, edata, false);
doc.Save (new XmlTextWriter (sw));
}
// Decryption
{
RijndaelManaged aes = new RijndaelManaged ();
aes.Mode = CipherMode.CBC;
aes.KeySize = 256;
aes.Key = Convert.FromBase64String (
"o/ilseZu+keLBBWGGPlUHweqxIPc4gzZEFWr2nBt640=");
aes.Padding = PaddingMode.Zeros;
XmlDocument doc = new XmlDocument ();
doc.PreserveWhitespace = true;
doc.LoadXml (sw.ToString ());
EncryptedXml encxml = new EncryptedXml (doc);
EncryptedData edata = new EncryptedData ();
edata.LoadXml (doc.DocumentElement);
encxml.ReplaceData (doc.DocumentElement, encxml.DecryptData (edata, aes));
}
}
public void AddReference(DataReference dataReference)
{
ReferenceList.Add(dataReference);
}
public override void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException("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#");
this.Id = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Id", "http://www.w3.org/2001/04/xmlenc#");
this.Type = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Type", "http://www.w3.org/2001/04/xmlenc#");
this.MimeType = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "MimeType", "http://www.w3.org/2001/04/xmlenc#");
this.Encoding = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Encoding", "http://www.w3.org/2001/04/xmlenc#");
this.Recipient = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Recipient", "http://www.w3.org/2001/04/xmlenc#");
XmlNode node = value.SelectSingleNode("enc:EncryptionMethod", nsmgr);
this.EncryptionMethod = new EncryptionMethod();
if (node != null)
{
this.EncryptionMethod.LoadXml(node as XmlElement);
}
base.KeyInfo = new KeyInfo();
XmlNode node2 = value.SelectSingleNode("ds:KeyInfo", nsmgr);
if (node2 != null)
{
base.KeyInfo.LoadXml(node2 as XmlElement);
}
XmlNode node3 = value.SelectSingleNode("enc:CipherData", nsmgr);
if (node3 == null)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_MissingCipherData"));
}
this.CipherData = new CipherData();
this.CipherData.LoadXml(node3 as XmlElement);
XmlNode node4 = value.SelectSingleNode("enc:EncryptionProperties", nsmgr);
if (node4 != null)
{
XmlNodeList list = node4.SelectNodes("enc:EncryptionProperty", nsmgr);
if (list != null)
{
foreach (XmlNode node5 in list)
{
EncryptionProperty property = new EncryptionProperty();
property.LoadXml(node5 as XmlElement);
this.EncryptionProperties.Add(property);
}
}
}
XmlNode node6 = value.SelectSingleNode("enc:CarriedKeyName", nsmgr);
if (node6 != null)
{
this.CarriedKeyName = node6.InnerText;
}
XmlNode node7 = value.SelectSingleNode("enc:ReferenceList", nsmgr);
if (node7 != null)
{
XmlNodeList list2 = node7.SelectNodes("enc:DataReference", nsmgr);
if (list2 != null)
{
foreach (XmlNode node8 in list2)
{
DataReference reference = new DataReference();
reference.LoadXml(node8 as XmlElement);
this.ReferenceList.Add(reference);
}
}
XmlNodeList list3 = node7.SelectNodes("enc:KeyReference", nsmgr);
if (list3 != null)
{
foreach (XmlNode node9 in list3)
{
KeyReference reference2 = new KeyReference();
reference2.LoadXml(node9 as XmlElement);
this.ReferenceList.Add(reference2);
}
}
}
base.m_cachedXml = value;
}
public static void Encrypt(XmlDocument Doc, string ElementToEncrypt, string EncryptionElementID, RSA Alg, string KeyName)
{
// Check the arguments.
if (Doc == null)
throw new ArgumentNullException("Doc");
if (ElementToEncrypt == null)
throw new ArgumentNullException("ElementToEncrypt");
if (EncryptionElementID == null)
throw new ArgumentNullException("EncryptionElementID");
if (Alg == null)
throw new ArgumentNullException("Alg");
if (KeyName == null)
throw new ArgumentNullException("KeyName");
////////////////////////////////////////////////
// Find the specified element in the XmlDocument
// object and create a new XmlElemnt object.
////////////////////////////////////////////////
XmlElement elementToEncrypt = Doc.GetElementsByTagName(ElementToEncrypt)[0] as XmlElement;
// Throw an XmlException if the element was not found.
if (elementToEncrypt == null)
{
throw new XmlException("The specified element was not found");
}
RijndaelManaged sessionKey = null;
try
{
//////////////////////////////////////////////////
// Create a new instance of the EncryptedXml class
// and use it to encrypt the XmlElement with the
// a new random symmetric key.
//////////////////////////////////////////////////
// Create a 256 bit Rijndael key.
sessionKey = new RijndaelManaged();
sessionKey.KeySize = 256;
EncryptedXml eXml = new EncryptedXml();
byte[] encryptedElement = eXml.EncryptData(elementToEncrypt, sessionKey, false);
////////////////////////////////////////////////
// Construct an EncryptedData object and populate
// it with the desired encryption information.
////////////////////////////////////////////////
EncryptedData edElement = new EncryptedData();
edElement.Type = EncryptedXml.XmlEncElementUrl;
edElement.Id = EncryptionElementID;
// Create an EncryptionMethod element so that the
// receiver knows which algorithm to use for decryption.
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, Alg, false);
ek.CipherData = new CipherData(encryptedKey);
ek.EncryptionMethod = new EncryptionMethod(EncryptedXml.XmlEncRSA15Url);
// Create a new DataReference element
// for the KeyInfo element. This optional
// element specifies which EncryptedData
// uses this key. An XML document can have
// multiple EncryptedData elements that use
// different keys.
DataReference dRef = new DataReference();
// Specify the EncryptedData URI.
dRef.Uri = "#" + EncryptionElementID;
// Add the DataReference to the EncryptedKey.
ek.AddReference(dRef);
// Add the encrypted key to the
// EncryptedData object.
edElement.KeyInfo.AddClause(new KeyInfoEncryptedKey(ek));
// Set the KeyInfo element to specify the
// name of the RSA key.
// Create a new KeyInfo element.
edElement.KeyInfo = new KeyInfo();
// Create a new KeyInfoName element.
KeyInfoName kin = new KeyInfoName();
// Specify a name for the key.
kin.Value = KeyName;
// Add the KeyInfoName element to the
// EncryptedKey object.
ek.KeyInfo.AddClause(kin);
// Add the encrypted element data to the
// EncryptedData object.
edElement.CipherData.CipherValue = encryptedElement;
////////////////////////////////////////////////////
// Replace the element from the original XmlDocument
// object with the EncryptedData element.
////////////////////////////////////////////////////
EncryptedXml.ReplaceElement(elementToEncrypt, edElement, false);
}
catch (Exception e)
{
// re-throw the exception.
throw e;
}
finally
{
if (sessionKey != null)
{
sessionKey.Clear();
}
}
}
public override void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException("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#");
this.Id = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Id", "http://www.w3.org/2001/04/xmlenc#");
this.Type = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Type", "http://www.w3.org/2001/04/xmlenc#");
this.MimeType = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "MimeType", "http://www.w3.org/2001/04/xmlenc#");
this.Encoding = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Encoding", "http://www.w3.org/2001/04/xmlenc#");
this.Recipient = System.Security.Cryptography.Xml.Utils.GetAttribute(value, "Recipient", "http://www.w3.org/2001/04/xmlenc#");
XmlNode node = value.SelectSingleNode("enc:EncryptionMethod", nsmgr);
this.EncryptionMethod = new EncryptionMethod();
if (node != null)
{
this.EncryptionMethod.LoadXml(node as XmlElement);
}
base.KeyInfo = new KeyInfo();
XmlNode node2 = value.SelectSingleNode("ds:KeyInfo", nsmgr);
if (node2 != null)
{
base.KeyInfo.LoadXml(node2 as XmlElement);
}
XmlNode node3 = value.SelectSingleNode("enc:CipherData", nsmgr);
if (node3 == null)
{
throw new CryptographicException(SecurityResources.GetResourceString("Cryptography_Xml_MissingCipherData"));
}
this.CipherData = new CipherData();
this.CipherData.LoadXml(node3 as XmlElement);
XmlNode node4 = value.SelectSingleNode("enc:EncryptionProperties", nsmgr);
if (node4 != null)
{
XmlNodeList list = node4.SelectNodes("enc:EncryptionProperty", nsmgr);
if (list != null)
{
foreach (XmlNode node5 in list)
{
EncryptionProperty property = new EncryptionProperty();
property.LoadXml(node5 as XmlElement);
this.EncryptionProperties.Add(property);
}
}
}
XmlNode node6 = value.SelectSingleNode("enc:CarriedKeyName", nsmgr);
if (node6 != null)
{
this.CarriedKeyName = node6.InnerText;
}
XmlNode node7 = value.SelectSingleNode("enc:ReferenceList", nsmgr);
if (node7 != null)
{
XmlNodeList list2 = node7.SelectNodes("enc:DataReference", nsmgr);
if (list2 != null)
{
foreach (XmlNode node8 in list2)
{
DataReference reference = new DataReference();
reference.LoadXml(node8 as XmlElement);
this.ReferenceList.Add(reference);
}
}
XmlNodeList list3 = node7.SelectNodes("enc:KeyReference", nsmgr);
if (list3 != null)
{
foreach (XmlNode node9 in list3)
{
KeyReference reference2 = new KeyReference();
reference2.LoadXml(node9 as XmlElement);
this.ReferenceList.Add(reference2);
}
}
}
base.m_cachedXml = value;
}
public override void LoadXml(XmlElement value)
{
if (value == null)
{
throw new ArgumentNullException("value");
}
if ((value.LocalName != XmlEncryption.ElementNames.EncryptedKey) || (value.NamespaceURI != EncryptedXml.XmlEncNamespaceUrl))
{
throw new CryptographicException("Malformed EncryptedKey element.");
}
else
{
EncryptionMethod = null;
EncryptionMethod = null;
EncryptionProperties.Clear();
ReferenceList.Clear();
CarriedKeyName = null;
Id = null;
Type = null;
MimeType = null;
Encoding = null;
Recipient = null;
foreach (XmlNode n in value.ChildNodes)
{
if (n is XmlWhitespace)
{
continue;
}
switch (n.LocalName)
{
case XmlEncryption.ElementNames.EncryptionMethod:
EncryptionMethod = new EncryptionMethod();
EncryptionMethod.LoadXml((XmlElement)n);
break;
case XmlSignature.ElementNames.KeyInfo:
KeyInfo = new KeyInfo();
KeyInfo.LoadXml((XmlElement)n);
break;
case XmlEncryption.ElementNames.CipherData:
CipherData = new CipherData();
CipherData.LoadXml((XmlElement)n);
break;
case XmlEncryption.ElementNames.EncryptionProperties:
foreach (XmlElement element in ((XmlElement)n).GetElementsByTagName(XmlEncryption.ElementNames.EncryptionProperty, EncryptedXml.XmlEncNamespaceUrl))
{
EncryptionProperties.Add(new EncryptionProperty(element));
}
break;
case XmlEncryption.ElementNames.ReferenceList:
foreach (XmlNode r in ((XmlElement)n).ChildNodes)
{
if (r is XmlWhitespace)
{
continue;
}
switch (r.LocalName)
{
case XmlEncryption.ElementNames.DataReference:
DataReference dr = new DataReference();
dr.LoadXml((XmlElement)r);
AddReference(dr);
break;
case XmlEncryption.ElementNames.KeyReference:
KeyReference kr = new KeyReference();
kr.LoadXml((XmlElement)r);
AddReference(kr);
break;
}
}
break;
case XmlEncryption.ElementNames.CarriedKeyName:
CarriedKeyName = ((XmlElement)n).InnerText;
break;
}
}
if (value.HasAttribute(XmlEncryption.AttributeNames.Id))
{
Id = value.Attributes [XmlEncryption.AttributeNames.Id].Value;
}
if (value.HasAttribute(XmlEncryption.AttributeNames.Type))
{
Type = value.Attributes [XmlEncryption.AttributeNames.Type].Value;
}
if (value.HasAttribute(XmlEncryption.AttributeNames.MimeType))
{
MimeType = value.Attributes [XmlEncryption.AttributeNames.MimeType].Value;
}
if (value.HasAttribute(XmlEncryption.AttributeNames.Encoding))
{
Encoding = value.Attributes [XmlEncryption.AttributeNames.Encoding].Value;
}
if (value.HasAttribute(XmlEncryption.AttributeNames.Recipient))
{
Encoding = value.Attributes [XmlEncryption.AttributeNames.Recipient].Value;
}
}
}