protected override SecurityKeyIdentifier ReadKeyIdentifierCore(XmlReader reader)
{
XmlDictionaryReader localReader = XmlDictionaryReader.CreateDictionaryReader(reader);
localReader.ReadStartElement(CoreWCF.XD.XmlSignatureDictionary.KeyInfo, CoreWCF.XD.XmlSignatureDictionary.Namespace);
SecurityKeyIdentifier keyIdentifier = new SecurityKeyIdentifier();
while (localReader.IsStartElement())
{
SecurityKeyIdentifierClause clause = InnerSecurityTokenSerializer.ReadKeyIdentifierClause(localReader);
if (clause == null)
{
localReader.Skip();
}
else
{
keyIdentifier.Add(clause);
}
}
if (keyIdentifier.Count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format("ErrorDeserializingKeyIdentifierClause")));
}
localReader.ReadEndElement();
return(keyIdentifier);
}
internal EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier, string carriedKeyName, bool cloneBuffer, byte[] derivationNonce, int derivationLength)
: base("http://www.w3.org/2001/04/xmlenc#EncryptedKey", encryptedKey, cloneBuffer, derivationNonce, derivationLength)
{
CarriedKeyName = carriedKeyName;
_encryptionMethod = encryptionMethod ?? throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(encryptionMethod));
EncryptingKeyIdentifier = encryptingKeyIdentifier;
}
protected override bool CanWriteKeyIdentifierCore(SecurityKeyIdentifier keyIdentifier)
{
for (int i = 0; i < _keyIdentifierEntries.Count; ++i)
{
KeyIdentifierEntry keyIdentifierEntry = _keyIdentifierEntries[i];
if (keyIdentifierEntry.SupportsCore(keyIdentifier))
{
return(true);
}
}
return(false);
}
public override void WriteKeyIdentifierCore(XmlDictionaryWriter writer, SecurityKeyIdentifier keyIdentifier)
{
writer.WriteStartElement(CoreWCF.XD.XmlSignatureDictionary.Prefix.Value, LocalName, NamespaceUri);
bool clauseWritten = false;
foreach (SecurityKeyIdentifierClause clause in keyIdentifier)
{
_securityTokenSerializer.InnerSecurityTokenSerializer.WriteKeyIdentifierClause(writer, clause);
clauseWritten = true;
}
writer.WriteEndElement(); // KeyInfo
if (!clauseWritten)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new SecurityMessageSerializationException(SR.NoKeyInfoClausesToWrite));
}
}
/// <summary>
/// Override of the base class. Resolves the given SecurityKeyIdentifier to a
/// SecurityToken.
/// </summary>
/// <param name="keyIdentifier">The KeyIdentifier to be resolved.</param>
/// <param name="token">The resolved SecurityToken</param>
/// <returns>True if successfully resolved.</returns>
/// <exception cref="ArgumentNullException">Input argument 'keyIdentifier' is null.</exception>
protected override bool TryResolveTokenCore(SecurityKeyIdentifier keyIdentifier, out SecurityToken token)
{
if (keyIdentifier == null)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull(nameof(keyIdentifier));
}
token = null;
foreach (SecurityTokenResolver tokenResolver in _tokenResolvers)
{
if (tokenResolver.TryResolveToken(keyIdentifier, out token))
{
return true;
}
}
return false;
}
protected override void WriteKeyIdentifierCore(XmlWriter writer, SecurityKeyIdentifier keyIdentifier)
{
bool wroteKeyIdentifier = false;
XmlDictionaryWriter localWriter = XmlDictionaryWriter.CreateDictionaryWriter(writer);
for (int i = 0; i < _keyIdentifierEntries.Count; ++i)
{
KeyIdentifierEntry keyIdentifierEntry = _keyIdentifierEntries[i];
if (keyIdentifierEntry.SupportsCore(keyIdentifier))
{
try
{
keyIdentifierEntry.WriteKeyIdentifierCore(localWriter, keyIdentifier);
}
catch (Exception e)
{
if (Fx.IsFatal(e))
{
throw;
}
if (!ShouldWrapException(e))
{
throw;
}
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.Format("ErrorSerializingKeyIdentifier"), e));
}
wroteKeyIdentifier = true;
break;
}
}
if (!wroteKeyIdentifier)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.Format(SR.StandardsManagerCannotWriteObject, keyIdentifier.GetType())));
}
localWriter.Flush();
}
public override SecurityKeyIdentifier ReadKeyIdentifierCore(XmlDictionaryReader reader)
{
reader.ReadStartElement(LocalName, NamespaceUri);
SecurityKeyIdentifier keyIdentifier = new SecurityKeyIdentifier();
while (reader.IsStartElement())
{
SecurityKeyIdentifierClause clause = _securityTokenSerializer.ReadKeyIdentifierClause(reader);
if (clause == null)
{
reader.Skip();
}
else
{
keyIdentifier.Add(clause);
}
}
if (keyIdentifier.Count == 0)
{
throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new XmlException(SR.ErrorDeserializingKeyIdentifierClause));
}
reader.ReadEndElement();
return(keyIdentifier);
}
public EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier, string carriedKeyName, byte[] derivationNonce, int derivationLength)
: this(encryptedKey, encryptionMethod, encryptingKeyIdentifier, carriedKeyName, true, derivationNonce, derivationLength)
{
}
public EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier, string carriedKeyName)
: this(encryptedKey, encryptionMethod, encryptingKeyIdentifier, carriedKeyName, true, null, 0)
{
}
public EncryptedKeyIdentifierClause(byte[] encryptedKey, string encryptionMethod, SecurityKeyIdentifier encryptingKeyIdentifier)
: this(encryptedKey, encryptionMethod, encryptingKeyIdentifier, null)
{
}
public override bool SupportsCore(SecurityKeyIdentifier keyIdentifier)
{
return(true);
}