/**
* Return an appropriate TimeStampResponse.
* <p>
* If genTime is null a timeNotAvailable error response will be returned.
*
* @param request the request this response is for.
* @param serialNumber serial number for the response token.
* @param genTime generation time for the response token.
* @param provider provider to use for signature calculation.
* @return
* @throws NoSuchAlgorithmException
* @throws NoSuchProviderException
* @throws TSPException
* </p>
*/
public TimeStampResponse Generate(
TimeStampRequest request,
BigInteger serialNumber,
DateTimeObject genTime)
{
TimeStampResp resp;
try
{
if (genTime == null)
{
throw new TspValidationException("The time source is not available.",
PkiFailureInfo.TimeNotAvailable);
}
request.Validate(acceptedAlgorithms, acceptedPolicies, acceptedExtensions);
this.status = PkiStatus.Granted;
this.AddStatusString("Operation Okay");
PkiStatusInfo pkiStatusInfo = GetPkiStatusInfo();
ContentInfo tstTokenContentInfo;
try
{
TimeStampToken token = tokenGenerator.Generate(request, serialNumber, genTime.Value);
byte[] encoded = token.ToCmsSignedData().GetEncoded();
tstTokenContentInfo = ContentInfo.GetInstance(Asn1Object.FromByteArray(encoded));
}
catch (IOException e)
{
throw new TspException("Timestamp token received cannot be converted to ContentInfo", e);
}
resp = new TimeStampResp(pkiStatusInfo, tstTokenContentInfo);
}
catch (TspValidationException e)
{
status = PkiStatus.Rejection;
this.SetFailInfoField(e.FailureCode);
this.AddStatusString(e.Message);
PkiStatusInfo pkiStatusInfo = GetPkiStatusInfo();
resp = new TimeStampResp(pkiStatusInfo, null);
}
try
{
return(new TimeStampResponse(resp));
}
catch (IOException e)
{
throw new TspException("created badly formatted response!", e);
}
}
