/// <summary>
/// Initializes a new instance of the <see cref="Response"/> class.
/// </summary>
/// <param name="response">DER encoded time stamp response.</param>
public Response(byte[] response)
{
if (null == response)
{
throw new ArgumentNullException("response");
}
this.response = new TimeStampResponse(response);
if (null != this.response.TimeStampToken)
{
// NOTICE: this.response.TimeStampToken.GetEncoded() returns malformed byte array; therefore, we use low level interface
// this.TST = new TimeStampToken(this.response.TimeStampToken.GetEncoded());
Org.BouncyCastle.Asn1.Tsp.TimeStampResp asn1Response = Org.BouncyCastle.Asn1.Tsp.TimeStampResp.GetInstance(Org.BouncyCastle.Asn1.Asn1Sequence.FromByteArray(response));
var derTst = asn1Response.TimeStampToken.GetDerEncoded();
this.TST = new TimeStampToken(derTst);
}
}
public void explode(byte[] fileContents)
{
try
{
Asn1Sequence sequenza = Asn1Sequence.GetInstance(fileContents);
DerObjectIdentifier tsdOIDFile = sequenza[0] as DerObjectIdentifier;
if (tsdOIDFile != null)
{
if (tsdOIDFile.Id == CmsObjectIdentifiers.timestampedData.Id) //TSD
{
DerTaggedObject taggedObject = sequenza[1] as DerTaggedObject;
if (taggedObject != null)
{
Asn1Sequence asn1seq = Asn1Sequence.GetInstance(taggedObject, true);
TimeStampedData tsd = TimeStampedData.GetInstance(asn1seq);
_p7m = new CryptoFile {
Content = tsd.Content.GetOctets(), MessageFileType = fileType.Binary, Name = "default.p7m"
};
TimeStampAndCrl[] crlTS = tsd.TemporalEvidence.TstEvidence.ToTimeStampAndCrlArray();
foreach (TimeStampAndCrl tokCRL in crlTS)
{
TimeStampToken tsToken = new TimeStampToken(tokCRL.TimeStampToken);
ContentInfo o = tokCRL.TimeStampToken;
Org.BouncyCastle.Asn1.Cmp.PkiStatusInfo si = new Org.BouncyCastle.Asn1.Cmp.PkiStatusInfo(0);
Org.BouncyCastle.Asn1.Tsp.TimeStampResp re = new Org.BouncyCastle.Asn1.Tsp.TimeStampResp(si, o);
string serial = tsToken.TimeStampInfo.SerialNumber.ToString();
_tsr.Add(new CryptoFile {
Content = re.GetEncoded(), Name = String.Format("default.{0}.tsr", serial), MessageFileType = fileType.Binary
});
}
}
}
}
}
catch (Exception e)
{
throw e;
}
}
