public virtual bool MatchData(byte[] data)
{
string hashAlgorithm = timeStamp.TimeStampInfo.HashAlgorithm.ObjectID.Id;
byte[] computedDigest = DigestUtilities.CalculateDigest
(hashAlgorithm, data);
return Arrays.Equals(computedDigest, timeStamp.TimeStampInfo.GetMessageImprintDigest
());
}