public override void EndCanonicalization()
{
if (as_dict_reader != null)
{
as_dict_reader.EndCanonicalization();
}
else
{
throw new NotSupportedException();
}
}
internal override SecurityTimestamp ReadTimestamp(XmlDictionaryReader reader, string digestAlgorithm, SignatureResourcePool resourcePool)
{
DateTime maxUtcDateTime;
byte[] buffer;
bool flag = (digestAlgorithm != null) && reader.CanCanonicalize;
HashStream stream = null;
reader.MoveToStartElement(System.ServiceModel.XD.UtilityDictionary.Timestamp, System.ServiceModel.XD.UtilityDictionary.Namespace);
if (flag)
{
stream = resourcePool.TakeHashStream(digestAlgorithm);
reader.StartCanonicalization(stream, false, null);
}
string attribute = reader.GetAttribute(System.ServiceModel.XD.UtilityDictionary.IdAttribute, System.ServiceModel.XD.UtilityDictionary.Namespace);
reader.ReadStartElement();
reader.ReadStartElement(System.ServiceModel.XD.UtilityDictionary.CreatedElement, System.ServiceModel.XD.UtilityDictionary.Namespace);
DateTime creationTimeUtc = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
if (reader.IsStartElement(System.ServiceModel.XD.UtilityDictionary.ExpiresElement, System.ServiceModel.XD.UtilityDictionary.Namespace))
{
reader.ReadStartElement();
maxUtcDateTime = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
}
else
{
maxUtcDateTime = System.ServiceModel.Security.SecurityUtils.MaxUtcDateTime;
}
reader.ReadEndElement();
if (flag)
{
reader.EndCanonicalization();
buffer = stream.FlushHashAndGetValue();
}
else
{
buffer = null;
}
return new SecurityTimestamp(creationTimeUtc, maxUtcDateTime, attribute, digestAlgorithm, buffer);
}
public override void ReadFrom(XmlDictionaryReader reader, TransformFactory transformFactory, DictionaryManager dictionaryManager)
{
this.SendSide = false;
if (reader.CanCanonicalize)
{
this.CanonicalStream = new MemoryStream();
reader.StartCanonicalization(this.CanonicalStream, false, null);
}
reader.MoveToStartElement(dictionaryManager.XmlSignatureDictionary.SignedInfo, dictionaryManager.XmlSignatureDictionary.Namespace);
this.prefix = reader.Prefix;
this.Id = reader.GetAttribute(dictionaryManager.UtilityDictionary.IdAttribute, null);
reader.Read();
ReadCanonicalizationMethod(reader, dictionaryManager);
ReadSignatureMethod(reader, dictionaryManager);
while (reader.IsStartElement(dictionaryManager.XmlSignatureDictionary.Reference, dictionaryManager.XmlSignatureDictionary.Namespace))
{
Reference reference = new Reference(dictionaryManager);
reference.ReadFrom(reader, transformFactory, dictionaryManager);
AddReference(reference);
}
reader.ReadEndElement(); // SignedInfo
if (reader.CanCanonicalize)
reader.EndCanonicalization();
string[] inclusivePrefixes = GetInclusivePrefixes();
if (inclusivePrefixes != null)
{
// Clear the canonicalized stream. We cannot use this while inclusive prefixes are
// specified.
this.CanonicalStream = null;
this.context = new Dictionary<string, string>(inclusivePrefixes.Length);
for (int i = 0; i < inclusivePrefixes.Length; i++)
{
this.context.Add(inclusivePrefixes[i], reader.LookupNamespace(inclusivePrefixes[i]));
}
}
}
internal override SecurityTimestamp ReadTimestamp(XmlDictionaryReader reader, string digestAlgorithm, SignatureResourcePool resourcePool)
{
bool canonicalize = digestAlgorithm != null && reader.CanCanonicalize;
HashStream hashStream = null;
reader.MoveToStartElement(XD.UtilityDictionary.Timestamp, XD.UtilityDictionary.Namespace);
if (canonicalize)
{
hashStream = resourcePool.TakeHashStream(digestAlgorithm);
reader.StartCanonicalization(hashStream, false, null);
}
string id = reader.GetAttribute(XD.UtilityDictionary.IdAttribute, XD.UtilityDictionary.Namespace);
reader.ReadStartElement();
reader.ReadStartElement(XD.UtilityDictionary.CreatedElement, XD.UtilityDictionary.Namespace);
DateTime creationTimeUtc = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
DateTime expiryTimeUtc;
if (reader.IsStartElement(XD.UtilityDictionary.ExpiresElement, XD.UtilityDictionary.Namespace))
{
reader.ReadStartElement();
expiryTimeUtc = reader.ReadContentAsDateTime().ToUniversalTime();
reader.ReadEndElement();
}
else
{
expiryTimeUtc = SecurityUtils.MaxUtcDateTime;
}
reader.ReadEndElement();
byte[] digest;
if (canonicalize)
{
reader.EndCanonicalization();
digest = hashStream.FlushHashAndGetValue();
}
else
{
digest = null;
}
return new SecurityTimestamp(creationTimeUtc, expiryTimeUtc, id, digestAlgorithm, digest);
}
