void dispatcherTimer_Tick(object sender, EventArgs e)
{
switch (status)
{
case 0:
if (encryptedElements <= elementsToEncrypt.Length)
{
actElementToEncrypt = elementsToEncrypt[encryptedElements];
presentation.AddTextToInformationBox("Actual Element to encrypt is:" + actElementToEncrypt.Name);
itemToEncrypt = this.animateElement(actElementToEncrypt.Name);
dispatcherTimer.Interval = new TimeSpan(0, 0, 5);
status = 1;
}
break;
case 1:
presentation.AddTextToInformationBox("Generate 256 AES Session Key to encrypt the element");
status = 2;
break;
case 2:
presentation.AddTextToInformationBox("Session Key is: " + soap.LastSessionKey);
status = 3;
break;
case 3:
if (!soap.GetIsEncryptContent())
{
string id = checkForID(itemToEncrypt);
if (id != null)
{
presentation.AddTextToInformationBox("The " + actElementToEncrypt.Name + " has already an id: " + id);
actId = id;
}
else
{
actId = soap.GetIdToElement(actElementToEncrypt.Name);
presentation.AddTextToInformationBox("The " + actElementToEncrypt.Name + " gets the id: " + actId);
createAttributeForElement(itemToEncrypt, "URI", "#" + actId);
}
}
else
{
XmlNode encryptedElement = soap.SecuredSoap.GetElementsByTagName(actElementToEncrypt.Name)[0];
foreach (XmlAttribute att in encryptedElement.FirstChild.Attributes)
{
if (att.Name.Equals("Id"))
{
actId = att.Value;
}
}
presentation.AddTextToInformationBox("The Id for the EncryptedData Element will be: " + actId);
}
status = 4;
break;
case 4:
presentation.AddTextToInformationBox("Calculate cipher value of the element");
status = 5;
break;
case 5:
XmlNodeList encryptedDataElements = soap.SecuredSoap.GetElementsByTagName("xenc:EncryptedData");
foreach (XmlNode node in encryptedDataElements)
{
foreach (XmlAttribute att in node.Attributes)
{
if (att.Name.Equals("Id") && att.Value.Equals(actId))
{
actEncryptedDataElement = node;
foreach (XmlNode child in node.ChildNodes)
{
if (child.Name.Equals("xenc:CipherData"))
{
cipherValueOfElement = child.FirstChild.InnerText;
}
}
}
}
}
presentation.AddTextToInformationBox("CipherValue is:" + cipherValueOfElement);
status = 6;
break;
case 6:
presentation.AddTextToInformationBox("Create EncryptedData Element");
rootItem = (TreeViewItem)presentation.treeView.Items[0];
presentation.treeView.Items.Clear();
header = new TreeViewItem();
StackPanel panel = new StackPanel();
TextBlock block = new TextBlock();
block.FontSize = 16;
block.Text = "Encrypted Data Element";
panel.Children.Add(block);
header.Header = panel;
presentation.treeView.Items.Add(header);
actEncDataItem = addChildElement(header, actEncryptedDataElement, true);
status = 7;
break;
case 7:
presentation.AddTextToInformationBox("Create the EncryptionMethod Element ");
addChildElement(actEncDataItem, actEncryptedDataElement.FirstChild, false);
status = 8;
break;
case 8:
presentation.AddTextToInformationBox("Create the CipherData Element ");
foreach (XmlNode node in actEncryptedDataElement.ChildNodes)
{
if (node.Name.Equals("xenc:CipherData"))
{
actcipherdata = node;
}
}
actcipherdataitem = addChildElement(actEncDataItem, actcipherdata, false);
status = 9;
break;
case 9:
presentation.AddTextToInformationBox("Create the CipherValue Element");
actciphervalueitem = addChildElement(actcipherdataitem, actcipherdata.FirstChild, false);
status = 10;
break;
case 10:
presentation.AddTextToInformationBox("Insert the cipher value");
createValue(actciphervalueitem, actcipherdata.FirstChild.InnerText);
status = 11;
break;
case 11:
presentation.treeView.Items.Clear();
presentation.treeView.Items.Add(rootItem);
status = 12;
break;
case 12:
if (soap.GetIsEncryptContent())
{
presentation.AddTextToInformationBox("Replase the content of the " + actElementToEncrypt.Name);
presentation.AddTextToInformationBox("Element with the created EncryptedData Element");
itemToEncrypt.Items.Clear();
TreeViewItem parent1 = (TreeViewItem)actEncDataItem.Parent;
parent1.Items.Remove(actEncDataItem);
itemToEncrypt.Items.Add(actEncDataItem);
}
else
{
TreeViewItem parent = (TreeViewItem)itemToEncrypt.Parent;
index = parent.Items.IndexOf(itemToEncrypt);
TreeViewItem parent1 = (TreeViewItem)actEncDataItem.Parent;
parent1.Items.Remove(actEncDataItem);
parent.Items.RemoveAt(index);
parent.Items.RemoveAt(index);
presentation.AddTextToInformationBox("Replase the the " + actElementToEncrypt.Name + " Element");
parent.Items.Insert(index, actEncDataItem);
TextBlock tb = new TextBlock();
TextBlock tb1 = new TextBlock();
TextBlock tb2 = new TextBlock();
tb.Name = "tbNameClose";
tb.Text = "/xenc:EncryptedData";
tb1.Text = "<";
tb2.Text = ">";
StackPanel panel1 = new StackPanel();
panel1.Orientation = System.Windows.Controls.Orientation.Horizontal;
panel1.Children.Add(tb1);
panel1.Children.Add(tb);
panel1.Children.Add(tb2);
tb.Foreground = elemBrush;
tb1.Foreground = elemBrush;
tb2.Foreground = elemBrush;
TreeViewItem closeItem = new TreeViewItem();
closeItem.Header = panel1;
parent.Items.Insert(index + 1, closeItem);
}
status = 13;
break;
case 13:
presentation.AddTextToInformationBox("Check for Header");
if (!soap.HadHeader)
{
this.secHeader = false;
status = 14;
}
else
{
this.secHeader = true; status = 15;
}
break;
case 14:
presentation.AddTextToInformationBox("No Header found. Create SOAP and Security Header");
addChildElement("s:Envelope", soap.SecuredSoap.GetElementsByTagName("s:Header")[0], true);
addChildElement("s:Header", soap.SecuredSoap.GetElementsByTagName("wsse:Security")[0], true);
status = 15;
break;
case 15:
presentation.AddTextToInformationBox("Create Encrypted Key");
actEncKey = addChildElement("wsse:Security", soap.SecuredSoap.GetElementsByTagName("xenc:EncryptedKey")[0], true);
status = 16;
break;
case 16:
presentation.AddTextToInformationBox("Create Encryption Method Element");
addChildElement(actEncKey, soap.SecuredSoap.GetElementsByTagName("xenc:EncryptionMethod")[0], true);
status = 17;
break;
case 17:
presentation.AddTextToInformationBox("Add Key Info Element");
TreeViewItem keyInfo = addChildElement(actEncKey, soap.SecuredSoap.GetElementsByTagName("ds:KeyInfo")[0], true);
keyInfo.IsExpanded = true;
presentation.CopyXmlToTreeView(soap.SecuredSoap.GetElementsByTagName("ds:KeyInfo")[0].FirstChild, keyInfo);
status = 18;
break;
case 18:
presentation.AddTextToInformationBox("Create CipherData Element");
actcipherdataitem = addChildElement(actEncKey, soap.SecuredSoap.GetElementsByTagName("xenc:CipherData")[0], false);
status = 19;
break;
case 19:
presentation.AddTextToInformationBox("Create CipherValue Element");
actciphervalueitem = addChildElement(actcipherdataitem, soap.SecuredSoap.GetElementsByTagName("xenc:CipherValue")[0], false);
status = 20;
break;
case 20:
presentation.AddTextToInformationBox("Create CipherValue Element by encrypting the session key with the public key of the web service");
status = 21;
break;
case 21:
presentation.AddTextToInformationBox("Cipher Value is: " + soap.SecuredSoap.GetElementsByTagName("xenc:CipherValue")[0].InnerText);
status = 22;
break;
case 22:
presentation.AddTextToInformationBox("Insert Cipher Value");
createValue(actciphervalueitem, soap.SecuredSoap.GetElementsByTagName("xenc:CipherValue")[0].InnerText);
status = 23;
break;
case 23:
presentation.AddTextToInformationBox("Create Reference List");
actRefList = addChildElement(actEncKey, soap.SecuredSoap.GetElementsByTagName("xenc:ReferenceList")[0], false);
status = 24;
break;
case 24:
status = 25;
presentation.AddTextToInformationBox("Insert Data Reference");
addChildElement(actRefList, soap.SecuredSoap.GetElementsByTagName("xenc:ReferenceList")[0], false);
status = 25;
break;
case 25:
dispatcherTimer.Stop();
presentation._namespacesTable.Clear();
presentation.animationRunning = false;
status = 0;
soap.ShowSecuredSoap();
break;
}
}
private void referenceElementsTimer_Tick(object sender, EventArgs e)
{
switch (referencesSteps)
{
case 0:
TreeViewItem element = findItem(presentation.SecuredSoapItem, actElementToReference.Name);
element.BringIntoView();
actElementToReferenceTVI = element;
if (!soap.GetXPathTransForm())
{
actElementToReference = elementsToSign[referencesCounter];
presentation.AddTextToInformationBox("Check if the " + actElementToReference.Name + "-Element has an ID");
string id = checkForID(element);
if (id != null)
{
presentation.AddTextToInformationBox("The Element already has an ID: " + id);
animateElement(actElementToReference.Name);
referencesSteps = 2;
}
else
{
presentation.AddTextToInformationBox("The Element has no ID");
referencesSteps = 1;
}
}
else
{
presentation.AddTextToInformationBox("The " + actElementToReference.Name + " Element is referenced by a xPath transform");
referencesSteps = 3;
}
break;
case 1:
//Generate ID for Act Element
presentation.AddTextToInformationBox("Create Id for the Element");
TreeViewItem element1 = findItem(presentation.SecuredSoapItem, actElementToReference.Name);
createAttributeForElement(actElementToReference.Name, "Id", soap.GetIdToElement(actElementToReference.Name));
referencesSteps = 2;
break;
case 2:
presentation.AddTextToInformationBox("Create Reference Element for " + actElementToReference.Name + " Element");
actReferenceElementTVI = addChildElement("ds:SignedInfo", soap.SecuredSoap.GetElementsByTagName("ds:Reference")[referencesCounter], false);
actReferenceElement = (XmlElement)soap.SecuredSoap.GetElementsByTagName("ds:Reference")[referencesCounter];
referencesSteps = 5;
break;
case 3:
//XPAth Reference Element
presentation.AddTextToInformationBox("Create Reference Element for " + actElementToReference.Name + " Element");
actReferenceElementTVI = addChildElement("ds:SignedInfo", soap.SecuredSoap.GetElementsByTagName("ds:Reference")[referencesCounter], false);
actReferenceElement = (XmlElement)soap.SecuredSoap.GetElementsByTagName("ds:Reference")[referencesCounter];
referencesSteps = 4;
break;
case 4:
presentation.AddTextToInformationBox("The Reference Element needs no URI cause of the XPath Transform");
referencesSteps = 5;
break;
case 5:
presentation.AddTextToInformationBox("Create a Transforms Element");
useactSigItem = true;
actTransformsElementTVI = addChildElement("ds:Reference", soap.SecuredSoap.GetElementsByTagName("ds:Transforms")[referencesCounter], false);
referencesSteps = 6;
break;
case 6:
transformsCounter = actReferenceElement.FirstChild.ChildNodes.Count;
actTransformsElementTVI.BringIntoView();
referencesSteps = 7;
TransformsTimer.Start();
actTimer = TransformsTimer;
referenceElementsTimer.Stop();
break;
case 7:
presentation.AddTextToInformationBox("Create the DigestMethod-Element");
addChildElement("ds:Reference", soap.SecuredSoap.GetElementsByTagName("ds:DigestMethod")[referencesCounter], false);
referencesSteps = 8;
break;
case 8:
presentation.AddTextToInformationBox("Calculate the DigestValue for the Referenced Element");
referencesSteps = 9;
break;
case 9:
presentation.AddTextToInformationBox("Find the referenced element");
referencesSteps = 10;
break;
case 10:
if (soap.GetXPathTransForm())
{
presentation.AddTextToInformationBox("URI is empty, so the complete document is referenced");
TreeViewItem temp = (TreeViewItem)presentation.treeView.Items[0];
temp.BringIntoView();
animateElement(temp);
referencesSteps = 11;
}
else
{
presentation.AddTextToInformationBox("The referenced element is: " + actElementToReference.Name);
actElementToReferenceTVI.BringIntoView();
animateElement(actElementToReferenceTVI);
referencesSteps = 13;
}
break;
case 11:
presentation.AddTextToInformationBox("Do the XPath Transform on the referenced element");
xPathSteps = xPath.Split(new char[] { '/' });
xPathArrayCounter = 1;
referencesSteps = 12;
break;
case 12:
if (xPathArrayCounter <= xPathSteps.Length - 1)
{
presentation.AddTextToInformationBox("Actual element: " + xPathSteps[xPathArrayCounter]);
animateItemInclChilds(xPathSteps[xPathArrayCounter]);
xPathArrayCounter++;
}
else
{
referencesSteps = 13;
}
break;
case 13:
presentation.AddTextToInformationBox("Canonicalize the actual Element");
referencesSteps = 14;
break;
case 14:
presentation.AddTextToInformationBox("The canonicalized element is:");
rootItem = (TreeViewItem)presentation.treeView.Items[0];
TreeViewItem canon = new TreeViewItem();
StreamReader sreader = new StreamReader(soap.CanonicalizeNodeWithExcC14n(actElementToReference));
string canonString = sreader.ReadToEnd();
XmlDocument doc = new XmlDocument();
XmlElement elem = doc.CreateElement("temp");
elem.InnerXml = canonString;
TextBlock tb = new TextBlock();
tb.FontSize = 14;
tb.Text = "Canonicalized Element";
XmlNode node = (XmlNode)elem.ChildNodes[0];
presentation.CopyXmlToTreeView(node, canon);
presentation.treeView.Items.Clear();
canon.IsExpanded = true;
presentation.treeView.Items.Add(canon);
referencesSteps = 15;
break;
case 15:
referencesSteps = 16;
break;
case 16:
presentation.AddTextToInformationBox("Calculate SHA-1 Hash of this Element:");
referencesSteps = 17;
break;
case 17:
XmlNode digest = soap.SecuredSoap.GetElementsByTagName("ds:DigestValue")[referencesCounter];
presentation.AddTextToInformationBox("SHA-1 Value:" + digest.InnerText);
referencesSteps = 18;
break;
case 18:
presentation.treeView.Items.Clear();
presentation.treeView.Items.Add(rootItem);
presentation.AddTextToInformationBox("Create Digest Value Element");
actDigestValue = addChildElement(actReferenceElementTVI, soap.SecuredSoap.GetElementsByTagName("ds:DigestValue")[referencesCounter], false);
referencesSteps = 19;
break;
case 19:
presentation.AddTextToInformationBox("Add Digest Value to Digest Value Element");
createValue(actDigestValue, soap.SecuredSoap.GetElementsByTagName("ds:DigestValue")[referencesCounter].InnerText);
referencesSteps = 20;
break;
case 20:
referencesSteps = 0;
referencesCounter++;
referenceElementsTimer.Stop();
referencesTimer.Start();
actTimer = referencesTimer;
break;
}
}