public static IntPtr GetGlobalPci(SCardProtocol protocol)
{
string globalPath = @"";
switch (protocol)
{
case SCardProtocol.T0:
globalPath = "g_rgSCardT0Pci";
break;
case SCardProtocol.T1:
globalPath = "g_rgSCardT1Pci";
break;
case SCardProtocol.Raw:
globalPath = "g_rgSCardRawPci";
break;
default:
throw PCSCException.ThrowByResult(PCSCResult.ProtocolMismatch);
}
IntPtr handle = NativeMethods.LoadLibrary("Winscard.dll");
IntPtr pci = NativeMethods.GetProcAddress(handle, globalPath);
NativeMethods.FreeLibrary(handle);
return(pci);
}
public void Reconnect(SCardDisposition initialisation)
{
PCSCResult result = NativeMethods.SCardReconnect(myHandle, DefaultShareMode, DefaultRequestedProtocols, initialisation, ref myCommsProtocol);
if (result != PCSCResult.None)
{
// Disconnect from the card
Disconnect();
throw PCSCException.ThrowByResult(result);
}
}
internal byte[] GetAttribute(uint attribute)
{
PCSCResult result = 0;
IntPtr len = IntPtr.Zero;
// Get the length required
result = NativeMethods.SCardGetAttrib(myCard.Handle, attribute, null, ref len);
if (result != PCSCResult.None)
{
throw PCSCException.ThrowByResult(result);
}
// Get the value
byte[] buffer = new byte[len.ToInt32()];
result = NativeMethods.SCardGetAttrib(myCard.Handle, attribute, buffer, ref len);
if (result != PCSCResult.None)
{
throw PCSCException.ThrowByResult(result);
}
return(buffer);
}
public void Connect(SCardShareMode shareMode = SCardShareMode.Shared)
{
PCSCResult result;
// Are we already connected?
if (myHandle != IntPtr.Zero)
{
return;
}
// Establish a new session context for this card
result = NativeMethods.SCardEstablishContext(SCardScope.User, IntPtr.Zero, IntPtr.Zero, out myContext);
if (PCSCResult.None != result)
{
throw PCSCException.ThrowByResult(result);
}
// Connect to the card
result = NativeMethods.SCardConnect(myContext, myReaderName, shareMode, DefaultRequestedProtocols, ref myHandle, ref myCommsProtocol);
if (PCSCResult.None != result)
{
// Disconnect (this will gracefully handle the context release)
Disconnect();
throw PCSCException.ThrowByResult(result);
}
// Retrieve our ATR
byte[] readerName = new byte[255];
uint readerLen = 255;
SCardState state = 0;
SCardProtocol cardProtocol = 0;
uint atrLen = NativeMethods.SCARD_ATR_LENGTH;
byte[] atr = new byte[atrLen];
result = NativeMethods.SCardStatus(myHandle, readerName, ref readerLen, out state, out cardProtocol, atr, ref atrLen);
if (result != PCSCResult.None)
{
// Disconnect from the card
Disconnect();
throw PCSCException.ThrowByResult(result);
}
//
// Protocol Enumeration
//
try
{
// Add the default 7816 protocol
Protocols.Add(new PCSCIso7816Protocol(atr, this));
// Determine whether this card is contactless or not
if (SupportsIso14443)
{
// Replace the 7816 protocol with 14443
Protocols.Clear();
var protocol = new PCSCIso14443AProtocol(atr, this);
Protocols.Add(protocol);
// Create our OptionalCommands object
OptionalCommands = new PCSCOptionalCommands(protocol);
//
// HACK: Adding a PCSCMifareProtocol to all ISO14443 cards, what
// we should be doing is somehow determining if this card
// supports Mifare or Mifare emulation
//
Protocols.Add(new PCSCMifareProtocol(this));
}
}
catch (Exception)
{
// Disconnect from the card
Disconnect();
throw PCSCException.ThrowUnsupportedProtocol();
}
}