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);
}
/// <summary>
///
/// </summary>
/// <param name="aCardSlot"></param>
public void AnalyzeCard(CardTerminalSlot aCardSlot)
{
// Acquire any processor card (T=0 or T=1) that may be present in the given card
// terminal slot
string readerName = aCardSlot.CardTerminalName;
CardActivationResult nActivationResult;
DisplayText("Reader Name: " + readerName);
//aCardSlot.CardTerminal.Config
CardHandle aCard = aCardSlot.AcquireCard((CardTypes.T0 | CardTypes.T1), out nActivationResult);
if (nActivationResult != CardActivationResult.Success)
{
Debug.Assert(aCard == null);
switch (nActivationResult)
{
case CardActivationResult.NoCard:
m_aPromptLabel.Text = readerName + ": Please insert card ...";
break;
case CardActivationResult.UnresponsiveCard:
m_aPromptLabel.Text = readerName + ": Unresponsive card.";
break;
case CardActivationResult.InUse:
m_aPromptLabel.Text = readerName + ": Card in use";
break;
default:
m_aPromptLabel.Text = readerName + ": Can't power up card!";
break;
}
return;
}
m_aPromptLabel.Text = aCardSlot.CardTerminalName + ": Found card";
DisplayText("Found card in reader " + aCardSlot.CardTerminalName);
DisplayReaderProperties(aCardSlot);
aCardSlot.BeginTransaction();
try
// We are doing a few things here that any card system should support.
// Note that the CardHandle represents the combination of card terminal and
// powered-up card.
{
// =========================== ATR DETECTION ======================================
// Every card accessed through PC/SC must return an Answer To Reset (ATR).
// So let's see what we've got here.
byte[] atr = aCard.GetATR();
if (atr.Length == 0)
{
throw new Exception("Invalid ATR");
}
DisplayText("ATR: " + CardHex.FromByteArray(atr, 0, atr.Length));
// ================================================================================
// Go a little deeper: is this a contact or contactless card system we are dealing with?
CardHelper cardHelper = new CardHelper(aCard);
DisplayText(cardHelper.cardInfo);
if (cardHelper.isContactless)
{
// =========================== APDU EXCHANGE ==================================
// Now we can try to get a unique identifier (UID). Any contactless card with a
// PC/C 2.01 compliant card reader should be able to generate a UID. But never mind,
// even if this fails it still shows how to create a command APDU with our SmartCardAPI
// frameqwork and get a response APDU back from a card.
//
// Known issues:
// SendCommand with CLA=0xFF can cause an exception with some smart card systems,
// triggered by an "Unknown Error" (-2146435025) on PC/SC level.
// Therefore this code should only be run if we are accessing a contactless reader
// interface that is PC/SC 2.01 compliant
// ============================================================================
byte CL_CLA = 0xFF;
byte CL_INS_GET_UID = 0xCA;
byte P1 = 0;
byte P2 = 0;
CardCommandAPDU aCmdAPDU = new CardCommandAPDU(CL_CLA, CL_INS_GET_UID, P1, P2, 256);
CardResponseAPDU aRespAPDU;
aRespAPDU = aCard.SendCommand(aCmdAPDU);
if (!aRespAPDU.IsSuccessful)
{
DisplayText("WARNING: can't get a UID - this might be a contact card.");
}
else
{
byte[] uidWithSw12 = aRespAPDU.GenerateBytes();
if (uidWithSw12.Length < 2)
{
throw new Exception("Invalid UID");
}
var uid = CardHex.FromByteArray(uidWithSw12, 0, uidWithSw12.Length - 2);
DisplayText("UID: " + uid);
if (uid.Length > 0)
{
_reader.SendRFID(uid);
}
}
}
aCardSlot.EndTransaction();
}
catch (Exception x)
{
Trace.WriteLine(x.ToString());
DisplayText(x.ToString());
m_aPromptLabel.Text = "Card access error";
}
finally
{
aCard.Dispose(); // release card handle
}
}
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;
}
}