/// <exception cref="System.IO.IOException"></exception>
public virtual byte[] GetArchiveTimestampData(int index, Document originalDocument
)
{
ByteArrayOutputStream toTimestamp = new ByteArrayOutputStream();
BcCms.ContentInfo contentInfo = cmsSignedData.ContentInfo;
BcCms.SignedData signedData = BcCms.SignedData.GetInstance(contentInfo.Content);
// 5.4.1
if (signedData.EncapContentInfo == null || signedData.EncapContentInfo.
Content == null)
{
if (originalDocument != null)
{
//jbonilla Hack para leer un InputStream en su totalidad.
toTimestamp.Write(Streams.ReadAll(
originalDocument.OpenStream()));
}
else
{
throw new RuntimeException("Signature is detached and no original data provided."
);
}
}
else
{
BcCms.ContentInfo content = signedData.EncapContentInfo;
DerOctetString octet = (DerOctetString)content.Content;
BcCms.ContentInfo info2 = new BcCms.ContentInfo(new DerObjectIdentifier("1.2.840.113549.1.7.1"
), new BerOctetString(octet.GetOctets()));
toTimestamp.Write(info2.GetEncoded());
}
if (signedData.Certificates != null)
{
DerOutputStream output = new DerOutputStream(toTimestamp);
output.WriteObject(signedData.Certificates);
output.Close();
}
if (signedData.CRLs != null)
{
toTimestamp.Write(signedData.CRLs.GetEncoded());
}
if (signerInformation.UnsignedAttributes != null)
{
Asn1EncodableVector original = signerInformation.UnsignedAttributes.ToAsn1EncodableVector();
IList <BcCms.Attribute> timeStampToRemove = GetTimeStampToRemove(index);
Asn1EncodableVector filtered = new Asn1EncodableVector();
for (int i = 0; i < original.Count; i++)
{
Asn1Encodable enc = original[i];
if (!timeStampToRemove.Contains(enc))
{
filtered.Add(original[i]);
}
}
SignerInformation filteredInfo = SignerInformation.ReplaceUnsignedAttributes(signerInformation
, new BcCms.AttributeTable(filtered));
toTimestamp.Write(filteredInfo.ToSignerInfo().GetEncoded());
}
return(toTimestamp.ToByteArray());
}