private bool ProcessResponse(
ReadOnlyMemory <byte> source,
out Rfc3161TimestampToken token,
out Rfc3161RequestResponseStatus status,
out int bytesConsumed,
bool shouldThrow)
{
status = Rfc3161RequestResponseStatus.Unknown;
token = null;
Rfc3161TimeStampResp resp;
try
{
resp = AsnSerializer.Deserialize <Rfc3161TimeStampResp>(source, AsnEncodingRules.DER, out bytesConsumed);
}
catch (CryptographicException) when(!shouldThrow)
{
bytesConsumed = 0;
status = Rfc3161RequestResponseStatus.DoesNotParse;
return(false);
}
// bytesRead will be set past this point
PkiStatus pkiStatus = (PkiStatus)resp.Status.Status;
if (pkiStatus != PkiStatus.Granted &&
pkiStatus != PkiStatus.GrantedWithMods)
{
if (shouldThrow)
{
throw new CryptographicException(
SR.Format(
SR.Cryptography_TimestampReq_Failure,
pkiStatus,
resp.Status.FailInfo.GetValueOrDefault()));
}
status = Rfc3161RequestResponseStatus.RequestFailed;
return(false);
}
if (!Rfc3161TimestampToken.TryDecode(resp.TimeStampToken.GetValueOrDefault(), out token, out _))
{
if (shouldThrow)
{
throw new CryptographicException(SR.Cryptography_TimestampReq_BadResponse);
}
bytesConsumed = 0;
status = Rfc3161RequestResponseStatus.DoesNotParse;
return(false);
}
status = ValidateResponse(token, shouldThrow);
return(status == Rfc3161RequestResponseStatus.Accepted);
}
private bool ProcessResponse(
ReadOnlyMemory <byte> source,
[NotNullWhen(true)] out Rfc3161TimestampToken?token,
out Rfc3161RequestResponseStatus status,
out int bytesConsumed,
bool shouldThrow)
{
status = Rfc3161RequestResponseStatus.Unknown;
token = null;
Rfc3161TimeStampResp resp;
try
{
AsnValueReader reader = new AsnValueReader(source.Span, AsnEncodingRules.DER);
int localBytesRead = reader.PeekEncodedValue().Length;
Rfc3161TimeStampResp.Decode(ref reader, source, out resp);
bytesConsumed = localBytesRead;
}
catch (CryptographicException) when(!shouldThrow)
{
bytesConsumed = 0;
status = Rfc3161RequestResponseStatus.DoesNotParse;
return(false);
}
// bytesRead will be set past this point
PkiStatus pkiStatus = (PkiStatus)resp.Status.Status;
if (pkiStatus != PkiStatus.Granted &&
pkiStatus != PkiStatus.GrantedWithMods)
{
if (shouldThrow)
{
throw new CryptographicException(
SR.Format(
SR.Cryptography_TimestampReq_Failure,
pkiStatus,
resp.Status.FailInfo.GetValueOrDefault()));
}
status = Rfc3161RequestResponseStatus.RequestFailed;
return(false);
}
if (!Rfc3161TimestampToken.TryDecode(resp.TimeStampToken.GetValueOrDefault(), out token, out _))
{
if (shouldThrow)
{
throw new CryptographicException(SR.Cryptography_TimestampReq_BadResponse);
}
bytesConsumed = 0;
status = Rfc3161RequestResponseStatus.DoesNotParse;
return(false);
}
status = ValidateResponse(token, shouldThrow);
return(status == Rfc3161RequestResponseStatus.Accepted);
}