internal abstract SecurityTimestamp ReadTimestamp(XmlDictionaryReader reader, string digestAlgorithm, SignatureResourcePool resourcePool);
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));
}