private bool CanPromoteToRoot(XmlElement innerElement, WSTrustDec2005.DriverDec2005 trust13Driver, bool clientSideClaimTypeRequirementsSpecified)
{
SecurityKeyType dummyOutParamForKeyType;
int dummyOutParamForKeySize;
string dummyStringOutParam;
Collection <XmlElement> dummyOutParamForRequiredClaims = null;
// check if SecondaryParameters has claim requirements specified
if (trust13Driver.TryParseRequiredClaimsElement(innerElement, out dummyOutParamForRequiredClaims))
{
// if client has not specified any claim requirements, promote claim requirements
// in SecondaryParameters to root level (and subsequently fix up the trust namespace)
return(!clientSideClaimTypeRequirementsSpecified);
}
// KeySize, KeyType and TokenType were converted to top-level property values when the WSDL was
// imported, so drop it here. We check for EncryptWith and SignWith as these are Client specific algorithm values and we
// don't have to promote the service specified values. KeyWrapAlgorithm was never sent in the RST
// in V1 and hence we are dropping it here as well.
return(!trust13Driver.TryParseKeyTypeElement(innerElement, out dummyOutParamForKeyType) &&
!trust13Driver.TryParseKeySizeElement(innerElement, out dummyOutParamForKeySize) &&
!trust13Driver.TryParseTokenTypeElement(innerElement, out dummyStringOutParam) &&
!trust13Driver.IsSignWithElement(innerElement, out dummyStringOutParam) &&
!trust13Driver.IsEncryptWithElement(innerElement, out dummyStringOutParam) &&
!trust13Driver.IsKeyWrapAlgorithmElement(innerElement, out dummyStringOutParam));
}
private bool CanPromoteToRoot(XmlElement innerElement, WSTrustDec2005.DriverDec2005 trust13Driver, bool clientSideClaimTypeRequirementsSpecified)
{
SecurityKeyType type;
int num;
string str;
Collection <XmlElement> requiredClaims = null;
if (trust13Driver.TryParseRequiredClaimsElement(innerElement, out requiredClaims))
{
return(!clientSideClaimTypeRequirementsSpecified);
}
return((((!trust13Driver.TryParseKeyTypeElement(innerElement, out type) && !trust13Driver.TryParseKeySizeElement(innerElement, out num)) && (!trust13Driver.TryParseTokenTypeElement(innerElement, out str) && !trust13Driver.IsSignWithElement(innerElement, out str))) && !trust13Driver.IsEncryptWithElement(innerElement, out str)) && !trust13Driver.IsKeyWrapAlgorithmElement(innerElement, out str));
}
private Collection <XmlElement> NormalizeAdditionalParameters(Collection <XmlElement> additionalParameters,
TrustDriver driver,
bool clientSideClaimTypeRequirementsSpecified)
{
// Ensure STS trust version is one of the currently supported versions: Feb 05 / Trust 1.3
Fx.Assert(((driver.StandardsManager.TrustVersion == TrustVersion.WSTrustFeb2005) ||
(driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13)),
"Unsupported trust version specified for the STS.");
// We have a mismatch. Make a local copy of additionalParameters for making any potential modifications
// as part of normalization
Collection <XmlElement> tmpCollection = new Collection <XmlElement>();
foreach (XmlElement e in additionalParameters)
{
tmpCollection.Add(e);
}
// 1. For Trust 1.3 EncryptionAlgorithm, CanonicalizationAlgorithm and KeyWrapAlgorithm should not be
// specified as top-level element if "SecondaryParameters" element already specifies this.
if (driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13)
{
Fx.Assert(driver.GetType() == typeof(WSTrustDec2005.DriverDec2005), "Invalid Trust Driver specified for Trust 1.3.");
XmlElement encryptionAlgorithmElement = null;
XmlElement canonicalizationAlgorithmElement = null;
XmlElement keyWrapAlgorithmElement = null;
XmlElement secondaryParameter = null;
for (int i = 0; i < tmpCollection.Count; ++i)
{
if (driver.IsEncryptionAlgorithmElement(tmpCollection[i], out string algorithm))
{
encryptionAlgorithmElement = tmpCollection[i];
}
else if (driver.IsCanonicalizationAlgorithmElement(tmpCollection[i], out algorithm))
{
canonicalizationAlgorithmElement = tmpCollection[i];
}
else if (driver.IsKeyWrapAlgorithmElement(tmpCollection[i], out algorithm))
{
keyWrapAlgorithmElement = tmpCollection[i];
}
else if (((WSTrustDec2005.DriverDec2005)driver).IsSecondaryParametersElement(tmpCollection[i]))
{
secondaryParameter = tmpCollection[i];
}
}
if (secondaryParameter != null)
{
foreach (XmlNode node in secondaryParameter.ChildNodes)
{
if (node is XmlElement child)
{
if (driver.IsEncryptionAlgorithmElement(child, out string algorithm) && (encryptionAlgorithmElement != null))
{
tmpCollection.Remove(encryptionAlgorithmElement);
}
else if (driver.IsCanonicalizationAlgorithmElement(child, out algorithm) && (canonicalizationAlgorithmElement != null))
{
tmpCollection.Remove(canonicalizationAlgorithmElement);
}
else if (driver.IsKeyWrapAlgorithmElement(child, out algorithm) && (keyWrapAlgorithmElement != null))
{
tmpCollection.Remove(keyWrapAlgorithmElement);
}
}
}
}
}
// 2. Check for Mismatch.
// a. Trust Feb 2005 -> Trust 1.3. do the following,
// (i) Copy EncryptionAlgorithm and CanonicalizationAlgorithm as the top-level elements.
// Note, this is in contradiction to step 1. But we don't have a choice here as we cannot say from the
// Additional Parameters section in the config what came from the service and what came from the client.
// (ii) Convert SignWith and EncryptWith elements to Trust 1.3 namespace.
// b. For Trust 1.3 -> Trust Feb 2005, do the following,
// (i) Find EncryptionAlgorithm, CanonicalizationAlgorithm from inside the "SecondaryParameters" element.
// If found, then promote these as the top-level elements replacing the existing values.
// (ii) Convert the SignWith and EncryptWith elements to the Trust Feb 2005 namespace and drop the KeyWrapAlgorithm
// element.
// make an optimistic check to detect mismatched trust-versions between STS and RP
bool mismatch = (((driver.StandardsManager.TrustVersion == TrustVersion.WSTrustFeb2005) &&
!CollectionContainsElementsWithTrustNamespace(additionalParameters, TrustFeb2005Strings.Namespace)) ||
((driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13) &&
!CollectionContainsElementsWithTrustNamespace(additionalParameters, TrustDec2005Strings.Namespace)));
// if no mismatch, return unmodified collection
if (!mismatch)
{
return(tmpCollection);
}
// 2.a
// If we are talking to a Trust 1.3 STS, replace any Feb '05 algorithm parameters with their Trust 1.3 counterparts
if (driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13)
{
SecurityStandardsManager trustFeb2005StandardsManager = SecurityStandardsManager.DefaultInstance;
// the following cast is guaranteed to succeed
WSTrustFeb2005.DriverFeb2005 trustFeb2005Driver = (WSTrustFeb2005.DriverFeb2005)trustFeb2005StandardsManager.TrustDriver;
for (int i = 0; i < tmpCollection.Count; i++)
{
if (trustFeb2005Driver.IsSignWithElement(tmpCollection[i], out string algorithmParameter))
{
tmpCollection[i] = driver.CreateSignWithElement(algorithmParameter);
}
else if (trustFeb2005Driver.IsEncryptWithElement(tmpCollection[i], out algorithmParameter))
{
tmpCollection[i] = driver.CreateEncryptWithElement(algorithmParameter);
}
else if (trustFeb2005Driver.IsEncryptionAlgorithmElement(tmpCollection[i], out algorithmParameter))
{
tmpCollection[i] = driver.CreateEncryptionAlgorithmElement(algorithmParameter);
}
else if (trustFeb2005Driver.IsCanonicalizationAlgorithmElement(tmpCollection[i], out algorithmParameter))
{
tmpCollection[i] = driver.CreateCanonicalizationAlgorithmElement(algorithmParameter);
}
}
}
else
{
// 2.b
// We are talking to a Feb 05 STS. Filter out any SecondaryParameters element.
Collection <XmlElement> childrenToPromote = null;
WSSecurityTokenSerializer trust13Serializer = new WSSecurityTokenSerializer(SecurityVersion.WSSecurity11,
TrustVersion.WSTrust13,
SecureConversationVersion.WSSecureConversation13,
true, null, null, null);
SecurityStandardsManager trust13StandardsManager = new SecurityStandardsManager(MessageSecurityVersion.WSSecurity11WSTrust13WSSecureConversation13WSSecurityPolicy12, trust13Serializer);
// the following cast is guaranteed to succeed
WSTrustDec2005.DriverDec2005 trust13Driver = (WSTrustDec2005.DriverDec2005)trust13StandardsManager.TrustDriver;
foreach (XmlElement parameter in tmpCollection)
{
// check if SecondaryParameters is present
if (trust13Driver.IsSecondaryParametersElement(parameter))
{
childrenToPromote = new Collection <XmlElement>();
// walk SecondaryParameters and collect any 'non-standard' children
foreach (XmlNode innerNode in parameter.ChildNodes)
{
if ((innerNode is XmlElement innerElement) && CanPromoteToRoot(innerElement, trust13Driver, clientSideClaimTypeRequirementsSpecified))
{
childrenToPromote.Add(innerElement);
}
}
// remove SecondaryParameters element
tmpCollection.Remove(parameter);
// we are done - break out of the loop
break;
}
}
// Probe of standard Trust elements and remember them.
if ((childrenToPromote != null) && (childrenToPromote.Count > 0))
{
XmlElement encryptionElement = null;
XmlElement canonicalizationElement = null;
XmlElement requiredClaimsElement = null;
Collection <XmlElement> processedElements = new Collection <XmlElement>();
foreach (XmlElement e in childrenToPromote)
{
if ((encryptionElement == null) && trust13Driver.IsEncryptionAlgorithmElement(e, out string encryptionAlgorithm))
{
encryptionElement = driver.CreateEncryptionAlgorithmElement(encryptionAlgorithm);
processedElements.Add(e);
}
else if ((canonicalizationElement == null) && trust13Driver.IsCanonicalizationAlgorithmElement(e, out string canonicalizationAlgoritm))
{
canonicalizationElement = driver.CreateCanonicalizationAlgorithmElement(canonicalizationAlgoritm);
processedElements.Add(e);
}
else if ((requiredClaimsElement == null) && trust13Driver.TryParseRequiredClaimsElement(e, out Collection <XmlElement> requiredClaims))
{
requiredClaimsElement = driver.CreateRequiredClaimsElement(requiredClaims);
processedElements.Add(e);
}
}
for (int i = 0; i < processedElements.Count; ++i)
{
childrenToPromote.Remove(processedElements[i]);
}
XmlElement keyWrapAlgorithmElement = null;
// Replace the appropriate elements.
for (int i = 0; i < tmpCollection.Count; ++i)
{
if (trust13Driver.IsSignWithElement(tmpCollection[i], out string algorithmParameter))
{
tmpCollection[i] = driver.CreateSignWithElement(algorithmParameter);
}
else if (trust13Driver.IsEncryptWithElement(tmpCollection[i], out algorithmParameter))
{
tmpCollection[i] = driver.CreateEncryptWithElement(algorithmParameter);
}
else if (trust13Driver.IsEncryptionAlgorithmElement(tmpCollection[i], out algorithmParameter) && (encryptionElement != null))
{
tmpCollection[i] = encryptionElement;
encryptionElement = null;
}
else if (trust13Driver.IsCanonicalizationAlgorithmElement(tmpCollection[i], out algorithmParameter) && (canonicalizationElement != null))
{
tmpCollection[i] = canonicalizationElement;
canonicalizationElement = null;
}
else if (trust13Driver.IsKeyWrapAlgorithmElement(tmpCollection[i], out algorithmParameter) && (keyWrapAlgorithmElement == null))
{
keyWrapAlgorithmElement = tmpCollection[i];
}
else if (trust13Driver.TryParseRequiredClaimsElement(tmpCollection[i], out Collection <XmlElement> reqClaims) && (requiredClaimsElement != null))
{
tmpCollection[i] = requiredClaimsElement;
requiredClaimsElement = null;
}
}
if (keyWrapAlgorithmElement != null)
{
// Remove KeyWrapAlgorithmElement as this is not define in Trust Feb 2005.
tmpCollection.Remove(keyWrapAlgorithmElement);
}
// Add the remaining elements to the additionaParameters list to the end.
if (encryptionElement != null)
{
tmpCollection.Add(encryptionElement);
}
if (canonicalizationElement != null)
{
tmpCollection.Add(canonicalizationElement);
}
if (requiredClaimsElement != null)
{
tmpCollection.Add(requiredClaimsElement);
}
if (childrenToPromote.Count > 0)
{
// There are some non-standard elements. Just bump them to the top-level element.
for (int i = 0; i < childrenToPromote.Count; ++i)
{
tmpCollection.Add(childrenToPromote[i]);
}
}
}
}
return(tmpCollection);
}
private Collection <XmlElement> NormalizeAdditionalParameters(Collection <XmlElement> additionalParameters, TrustDriver driver, bool clientSideClaimTypeRequirementsSpecified)
{
Collection <XmlElement> collection1 = new Collection <XmlElement>();
foreach (XmlElement additionalParameter in additionalParameters)
{
collection1.Add(additionalParameter);
}
if (driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13)
{
XmlElement xmlElement1 = (XmlElement)null;
XmlElement xmlElement2 = (XmlElement)null;
XmlElement xmlElement3 = (XmlElement)null;
XmlElement xmlElement4 = (XmlElement)null;
for (int index = 0; index < collection1.Count; ++index)
{
string str;
if (driver.IsEncryptionAlgorithmElement(collection1[index], out str))
{
xmlElement1 = collection1[index];
}
else if (driver.IsCanonicalizationAlgorithmElement(collection1[index], out str))
{
xmlElement2 = collection1[index];
}
else if (driver.IsKeyWrapAlgorithmElement(collection1[index], out str))
{
xmlElement3 = collection1[index];
}
else if (((WSTrustDec2005.DriverDec2005)driver).IsSecondaryParametersElement(collection1[index]))
{
xmlElement4 = collection1[index];
}
}
if (xmlElement4 != null)
{
foreach (XmlNode childNode in xmlElement4.ChildNodes)
{
XmlElement element = childNode as XmlElement;
if (element != null)
{
string str = (string)null;
if (driver.IsEncryptionAlgorithmElement(element, out str) && xmlElement1 != null)
{
collection1.Remove(xmlElement1);
}
else if (driver.IsCanonicalizationAlgorithmElement(element, out str) && xmlElement2 != null)
{
collection1.Remove(xmlElement2);
}
else if (driver.IsKeyWrapAlgorithmElement(element, out str) && xmlElement3 != null)
{
collection1.Remove(xmlElement3);
}
}
}
}
}
if ((driver.StandardsManager.TrustVersion != TrustVersion.WSTrustFeb2005 || this.CollectionContainsElementsWithTrustNamespace(additionalParameters, "http://schemas.xmlsoap.org/ws/2005/02/trust")) && (driver.StandardsManager.TrustVersion != TrustVersion.WSTrust13 || this.CollectionContainsElementsWithTrustNamespace(additionalParameters, "http://docs.oasis-open.org/ws-sx/ws-trust/200512")))
{
return(collection1);
}
if (driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13)
{
WSTrustFeb2005.DriverFeb2005 trustDriver = (WSTrustFeb2005.DriverFeb2005)SecurityStandardsManager.DefaultInstance.TrustDriver;
for (int index = 0; index < collection1.Count; ++index)
{
string empty = string.Empty;
if (trustDriver.IsSignWithElement(collection1[index], out empty))
{
collection1[index] = driver.CreateSignWithElement(empty);
}
else if (trustDriver.IsEncryptWithElement(collection1[index], out empty))
{
collection1[index] = driver.CreateEncryptWithElement(empty);
}
else if (trustDriver.IsEncryptionAlgorithmElement(collection1[index], out empty))
{
collection1[index] = driver.CreateEncryptionAlgorithmElement(empty);
}
else if (trustDriver.IsCanonicalizationAlgorithmElement(collection1[index], out empty))
{
collection1[index] = driver.CreateCanonicalizationAlgorithmElement(empty);
}
}
}
else
{
Collection <XmlElement> collection2 = (Collection <XmlElement>)null;
WSTrustDec2005.DriverDec2005 trustDriver = (WSTrustDec2005.DriverDec2005) new SecurityStandardsManager(MessageSecurityVersion.WSSecurity11WSTrust13WSSecureConversation13WSSecurityPolicy12, (SecurityTokenSerializer) new WSSecurityTokenSerializer(SecurityVersion.WSSecurity11, TrustVersion.WSTrust13, SecureConversationVersion.WSSecureConversation13, true, (SamlSerializer1)null, (SecurityStateEncoder)null, (IEnumerable <System.Type>)null)).TrustDriver;
foreach (XmlElement element in collection1)
{
if (trustDriver.IsSecondaryParametersElement(element))
{
collection2 = new Collection <XmlElement>();
foreach (XmlNode childNode in element.ChildNodes)
{
XmlElement innerElement = childNode as XmlElement;
if (innerElement != null && this.CanPromoteToRoot(innerElement, trustDriver, clientSideClaimTypeRequirementsSpecified))
{
collection2.Add(innerElement);
}
}
collection1.Remove(element);
break;
}
}
if (collection2 != null && collection2.Count > 0)
{
XmlElement xmlElement1 = (XmlElement)null;
string encryptionAlgorithm = string.Empty;
XmlElement xmlElement2 = (XmlElement)null;
string canonicalizationAlgorithm = string.Empty;
XmlElement xmlElement3 = (XmlElement)null;
Collection <XmlElement> requiredClaims1 = (Collection <XmlElement>)null;
Collection <XmlElement> collection3 = new Collection <XmlElement>();
foreach (XmlElement element in collection2)
{
if (xmlElement1 == null && trustDriver.IsEncryptionAlgorithmElement(element, out encryptionAlgorithm))
{
xmlElement1 = driver.CreateEncryptionAlgorithmElement(encryptionAlgorithm);
collection3.Add(element);
}
else if (xmlElement2 == null && trustDriver.IsCanonicalizationAlgorithmElement(element, out canonicalizationAlgorithm))
{
xmlElement2 = driver.CreateCanonicalizationAlgorithmElement(canonicalizationAlgorithm);
collection3.Add(element);
}
else if (xmlElement3 == null && trustDriver.TryParseRequiredClaimsElement(element, out requiredClaims1))
{
xmlElement3 = driver.CreateRequiredClaimsElement((IEnumerable <XmlElement>)requiredClaims1);
collection3.Add(element);
}
}
for (int index = 0; index < collection3.Count; ++index)
{
collection2.Remove(collection3[index]);
}
XmlElement xmlElement4 = (XmlElement)null;
for (int index = 0; index < collection1.Count; ++index)
{
string str;
if (trustDriver.IsSignWithElement(collection1[index], out str))
{
collection1[index] = driver.CreateSignWithElement(str);
}
else if (trustDriver.IsEncryptWithElement(collection1[index], out str))
{
collection1[index] = driver.CreateEncryptWithElement(str);
}
else if (trustDriver.IsEncryptionAlgorithmElement(collection1[index], out str) && xmlElement1 != null)
{
collection1[index] = xmlElement1;
xmlElement1 = (XmlElement)null;
}
else if (trustDriver.IsCanonicalizationAlgorithmElement(collection1[index], out str) && xmlElement2 != null)
{
collection1[index] = xmlElement2;
xmlElement2 = (XmlElement)null;
}
else if (trustDriver.IsKeyWrapAlgorithmElement(collection1[index], out str) && xmlElement4 == null)
{
xmlElement4 = collection1[index];
}
else
{
Collection <XmlElement> requiredClaims2;
if (trustDriver.TryParseRequiredClaimsElement(collection1[index], out requiredClaims2) && xmlElement3 != null)
{
collection1[index] = xmlElement3;
xmlElement3 = (XmlElement)null;
}
}
}
if (xmlElement4 != null)
{
collection1.Remove(xmlElement4);
}
if (xmlElement1 != null)
{
collection1.Add(xmlElement1);
}
if (xmlElement2 != null)
{
collection1.Add(xmlElement2);
}
if (xmlElement3 != null)
{
collection1.Add(xmlElement3);
}
if (collection2.Count > 0)
{
for (int index = 0; index < collection2.Count; ++index)
{
collection1.Add(collection2[index]);
}
}
}
}
return(collection1);
}
private Collection <XmlElement> NormalizeAdditionalParameters(Collection <XmlElement> additionalParameters, TrustDriver driver, bool clientSideClaimTypeRequirementsSpecified)
{
Collection <XmlElement> collection = new Collection <XmlElement>();
foreach (XmlElement element in additionalParameters)
{
collection.Add(element);
}
if (driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13)
{
XmlElement item = null;
XmlElement element3 = null;
XmlElement element4 = null;
XmlElement element5 = null;
for (int i = 0; i < collection.Count; i++)
{
string str;
if (driver.IsEncryptionAlgorithmElement(collection[i], out str))
{
item = collection[i];
}
else if (driver.IsCanonicalizationAlgorithmElement(collection[i], out str))
{
element3 = collection[i];
}
else if (driver.IsKeyWrapAlgorithmElement(collection[i], out str))
{
element4 = collection[i];
}
else if (((WSTrustDec2005.DriverDec2005)driver).IsSecondaryParametersElement(collection[i]))
{
element5 = collection[i];
}
}
if (element5 != null)
{
foreach (System.Xml.XmlNode node in element5.ChildNodes)
{
XmlElement element6 = node as XmlElement;
if (element6 != null)
{
string encryptionAlgorithm = null;
if (driver.IsEncryptionAlgorithmElement(element6, out encryptionAlgorithm) && (item != null))
{
collection.Remove(item);
}
else if (driver.IsCanonicalizationAlgorithmElement(element6, out encryptionAlgorithm) && (element3 != null))
{
collection.Remove(element3);
}
else if (driver.IsKeyWrapAlgorithmElement(element6, out encryptionAlgorithm) && (element4 != null))
{
collection.Remove(element4);
}
}
}
}
}
if (((driver.StandardsManager.TrustVersion == TrustVersion.WSTrustFeb2005) && !this.CollectionContainsElementsWithTrustNamespace(additionalParameters, "http://schemas.xmlsoap.org/ws/2005/02/trust")) || ((driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13) && !this.CollectionContainsElementsWithTrustNamespace(additionalParameters, "http://docs.oasis-open.org/ws-sx/ws-trust/200512")))
{
if (driver.StandardsManager.TrustVersion == TrustVersion.WSTrust13)
{
WSTrustFeb2005.DriverFeb2005 feb = (WSTrustFeb2005.DriverFeb2005)SecurityStandardsManager.DefaultInstance.TrustDriver;
for (int j = 0; j < collection.Count; j++)
{
string signatureAlgorithm = string.Empty;
if (feb.IsSignWithElement(collection[j], out signatureAlgorithm))
{
collection[j] = driver.CreateSignWithElement(signatureAlgorithm);
}
else if (feb.IsEncryptWithElement(collection[j], out signatureAlgorithm))
{
collection[j] = driver.CreateEncryptWithElement(signatureAlgorithm);
}
else if (feb.IsEncryptionAlgorithmElement(collection[j], out signatureAlgorithm))
{
collection[j] = driver.CreateEncryptionAlgorithmElement(signatureAlgorithm);
}
else if (feb.IsCanonicalizationAlgorithmElement(collection[j], out signatureAlgorithm))
{
collection[j] = driver.CreateCanonicalizationAlgorithmElement(signatureAlgorithm);
}
}
return(collection);
}
Collection <XmlElement> collection2 = null;
WSSecurityTokenSerializer tokenSerializer = new WSSecurityTokenSerializer(SecurityVersion.WSSecurity11, TrustVersion.WSTrust13, SecureConversationVersion.WSSecureConversation13, true, null, null, null);
SecurityStandardsManager manager2 = new SecurityStandardsManager(MessageSecurityVersion.WSSecurity11WSTrust13WSSecureConversation13WSSecurityPolicy12, tokenSerializer);
WSTrustDec2005.DriverDec2005 trustDriver = (WSTrustDec2005.DriverDec2005)manager2.TrustDriver;
foreach (XmlElement element7 in collection)
{
if (trustDriver.IsSecondaryParametersElement(element7))
{
collection2 = new Collection <XmlElement>();
foreach (System.Xml.XmlNode node2 in element7.ChildNodes)
{
XmlElement innerElement = node2 as XmlElement;
if ((innerElement != null) && this.CanPromoteToRoot(innerElement, trustDriver, clientSideClaimTypeRequirementsSpecified))
{
collection2.Add(innerElement);
}
}
collection.Remove(element7);
break;
}
}
if ((collection2 != null) && (collection2.Count > 0))
{
XmlElement element9 = null;
string str4 = string.Empty;
XmlElement element10 = null;
string canonicalizationAlgorithm = string.Empty;
XmlElement element11 = null;
Collection <XmlElement> requiredClaims = null;
Collection <XmlElement> collection4 = new Collection <XmlElement>();
foreach (XmlElement element12 in collection2)
{
if ((element9 == null) && trustDriver.IsEncryptionAlgorithmElement(element12, out str4))
{
element9 = driver.CreateEncryptionAlgorithmElement(str4);
collection4.Add(element12);
}
else if ((element10 == null) && trustDriver.IsCanonicalizationAlgorithmElement(element12, out canonicalizationAlgorithm))
{
element10 = driver.CreateCanonicalizationAlgorithmElement(canonicalizationAlgorithm);
collection4.Add(element12);
}
else if ((element11 == null) && trustDriver.TryParseRequiredClaimsElement(element12, out requiredClaims))
{
element11 = driver.CreateRequiredClaimsElement(requiredClaims);
collection4.Add(element12);
}
}
for (int k = 0; k < collection4.Count; k++)
{
collection2.Remove(collection4[k]);
}
XmlElement element13 = null;
for (int m = 0; m < collection.Count; m++)
{
string str6;
if (trustDriver.IsSignWithElement(collection[m], out str6))
{
collection[m] = driver.CreateSignWithElement(str6);
}
else if (trustDriver.IsEncryptWithElement(collection[m], out str6))
{
collection[m] = driver.CreateEncryptWithElement(str6);
}
else if (trustDriver.IsEncryptionAlgorithmElement(collection[m], out str6) && (element9 != null))
{
collection[m] = element9;
element9 = null;
}
else if (trustDriver.IsCanonicalizationAlgorithmElement(collection[m], out str6) && (element10 != null))
{
collection[m] = element10;
element10 = null;
}
else if (trustDriver.IsKeyWrapAlgorithmElement(collection[m], out str6) && (element13 == null))
{
element13 = collection[m];
}
else
{
Collection <XmlElement> collection5;
if (trustDriver.TryParseRequiredClaimsElement(collection[m], out collection5) && (element11 != null))
{
collection[m] = element11;
element11 = null;
}
}
}
if (element13 != null)
{
collection.Remove(element13);
}
if (element9 != null)
{
collection.Add(element9);
}
if (element10 != null)
{
collection.Add(element10);
}
if (element11 != null)
{
collection.Add(element11);
}
if (collection2.Count <= 0)
{
return(collection);
}
for (int n = 0; n < collection2.Count; n++)
{
collection.Add(collection2[n]);
}
}
}
return(collection);
}
