/// <summary>
///
/// </summary>
/// <param name="aSim"></param>
private void _DisposeSim(SIMAuthDaemon aSim)
{
if (aSim == null)
{
return;
}
aSim.Card.Disconnect(SCardDisposition.UnpowerCard);
aSim.Card.Dispose();
}
internal byte[] RunGsmAlgo(byte[] rand)
{
if (!aSim.SelectDFTelecom())
{
MessageBox.Show("Error reading GSM SIM card!");
_DisposeSim(aSim);
aSim = null;
return(null);
}
CardResponseAPDU sres = aSim.RunGsmAlgo(rand);
if (sres != null && sres.GetData() != null)
{
txtLog.AppendText("SRES resp " + CardHex.FromByteArray(rand) + "[" + rand.Length + "] -> " + CardHex.FromByteArray(sres.GetData()) + Environment.NewLine);
return(sres.GetData());
}
txtLog.AppendText("SRES fail " + CardHex.FromByteArray(rand) + "[" + rand.Length + "] -> <failed> " + CardHex.FromByte(sres.SW1) + " " + CardHex.FromByte(sres.SW2) + Environment.NewLine);
return(null);
}
private void btnReadDetails_Click(object sender, System.EventArgs e)
{
if (aSim == null)
{
aSim = _ObtainSim();
if (aSim == null)
{
return;
}
}
try
{
byte[] data = aSim.ReadIccIdentification();
if (data == null)
{
MessageBox.Show("Error reading GSM SIM card!");
_DisposeSim(aSim);
aSim = null;
return;
}
txtLog.AppendText("ICCID: " + CardHex.FromByteArray(data) + Environment.NewLine);
/* check access to SIM card. fails if CHV required */
if (aSim.ReadImsi() == null)
{
CardResponseAPDU aRespAPDU = aSim.VerifyChv(this, m_aCardForm,
"PIN Verification", "In order to access your SIM the PIN is required.");
if (aRespAPDU == null)
{
// The PIN entry has been cancelled by the user.
_DisposeSim(aSim);
aSim = null;
return;
}
if (!aRespAPDU.IsSuccessful)
{
string sHeading = "Failed to verify PIN!";
switch (aRespAPDU.SW)
{
case 0x9804:
m_aCardForm.Notify(this, MessageBoxIcon.Warning, sHeading,
"Wrong PIN!");
break;
case 0x9840:
m_aCardForm.Notify(this, MessageBoxIcon.Warning, sHeading,
"Wrong PIN! The SIM has been blocked.");
break;
case 0x9808:
m_aCardForm.Notify(this, MessageBoxIcon.Warning, sHeading,
"The SIM is blocked. Please use mobile phone " +
"in order to unblock the SIM with the PUK.");
break;
default:
m_aCardForm.Notify(this, MessageBoxIcon.Warning, sHeading,
"Unknown reason: (" + aRespAPDU.SW + ")");
break;
}
_DisposeSim(aSim);
aSim = null;
return;
}
}
data = aSim.ReadImsi();
if (data == null)
{
MessageBox.Show("Error reading IMSI!");
_DisposeSim(aSim);
aSim = null;
return;
}
txtLog.AppendText("IMSI: " + CardHex.FromByteArray(data) + Environment.NewLine);
if (!aSim.SelectDFTelecom())
{
MessageBox.Show("Error selecting GSM file!");
_DisposeSim(aSim);
aSim = null;
return;
}
byte[] rand = CardHex.ToByteArray(txtRand.Text);
byte[] resp = RunGsmAlgo(rand);
/**/
}
catch (Exception)
{
_DisposeSim(aSim);
aSim = null;
}
}
