internal VendorAttributes(SmartcardReader sr) {
int ret, length = NativeMethods.SCARD_AUTOALLOCATE;
IntPtr result;
uint resultDWord;
// get the serial number
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_IFD_SERIAL_NO, out result, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS) {
m_SerialNumber = Marshal.PtrToStringAnsi(result, length);
NativeMethods.SCardFreeMemory(sr.Context, result);
}
// get the device type
length = NativeMethods.SCARD_AUTOALLOCATE;
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_IFD_TYPE, out result, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS) {
m_DeviceType = Marshal.PtrToStringAnsi(result, length);
NativeMethods.SCardFreeMemory(sr.Context, result);
}
// get the vendor name
length = NativeMethods.SCARD_AUTOALLOCATE;
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_NAME, out result, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS) {
m_VendorName = Marshal.PtrToStringAnsi(result, length);
NativeMethods.SCardFreeMemory(sr.Context, result);
}
// get the device version
length = 4;
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_IFD_VERSION, out resultDWord, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS) {
m_DeviceVersion = new Version((int)(resultDWord >> 24), (int)((resultDWord >> 16) & 0xFF), (int)(resultDWord & 0xFFFF));
}
}
/// <summary>
/// Opens a SmartcardReader.
/// </summary>
/// <returns>An instance of the SmartcardReader class -or- a null reference if no smartcard reader was found.</returns>
/// <exception cref="SmartcardException">An error occurred while communication with the smartcard reader.</exception>
public static SmartcardReader OpenReader()
{
string[] readers = SmartcardReader.GetReaders();
if (readers.Length == 0)
{
return(null);
}
return(new SmartcardReader(readers[0]));
}
/// <summary>
/// Opens a SmartcardReader that has a card inserted with a specified ATR.
/// </summary>
/// <param name="atr">The ATR to search for.</param>
/// <returns>An instance of the SmartcardReader class -or- a null reference if no smartcard reader was found.</returns>
/// <exception cref="ArgumentNullException"><i>atr</i> is a null reference.</exception>
/// <exception cref="SmartcardException">An error occurred while communication with the smartcard reader.</exception>
public static SmartcardReader OpenReader(Atr atr)
{
if (atr == null)
{
throw new ArgumentNullException("atr", ResourceController.GetString("Error_ParamNull"));
}
string[] readers = SmartcardReader.GetReaders();
SmartcardReader sr = null;
foreach (string reader in readers)
{
sr = new SmartcardReader(reader);
sr.Connect();
if (atr.IsMatch(sr.Atr.GetValue()))
{
break;
}
sr.Dispose();
sr = null;
}
return(sr);
}
internal VendorAttributes(SmartcardReader sr)
{
int ret, length = NativeMethods.SCARD_AUTOALLOCATE;
IntPtr result;
uint resultDWord;
// get the serial number
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_IFD_SERIAL_NO, out result, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS)
{
m_SerialNumber = Marshal.PtrToStringAnsi(result, length);
NativeMethods.SCardFreeMemory(sr.Context, result);
}
// get the device type
length = NativeMethods.SCARD_AUTOALLOCATE;
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_IFD_TYPE, out result, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS)
{
m_DeviceType = Marshal.PtrToStringAnsi(result, length);
NativeMethods.SCardFreeMemory(sr.Context, result);
}
// get the vendor name
length = NativeMethods.SCARD_AUTOALLOCATE;
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_NAME, out result, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS)
{
m_VendorName = Marshal.PtrToStringAnsi(result, length);
NativeMethods.SCardFreeMemory(sr.Context, result);
}
// get the device version
length = 4;
ret = NativeMethods.SCardGetAttrib(sr.Card, NativeMethods.SCARD_ATTR_VENDOR_IFD_VERSION, out resultDWord, ref length);
if (ret == NativeMethods.SCARD_S_SUCCESS)
{
m_DeviceVersion = new Version((int)(resultDWord >> 24), (int)((resultDWord >> 16) & 0xFF), (int)(resultDWord & 0xFFFF));
}
}
/// <summary>
/// Opens a SmartcardReader that has a card inserted with a specified ATR.
/// </summary>
/// <param name="atr">The ATR to search for.</param>
/// <returns>An instance of the SmartcardReader class -or- a null reference if no smartcard reader was found.</returns>
/// <exception cref="ArgumentNullException"><i>atr</i> is a null reference.</exception>
/// <exception cref="SmartcardException">An error occurred while communication with the smartcard reader.</exception>
public static SmartcardReader OpenReader(Atr atr) {
if (atr == null)
throw new ArgumentNullException("atr", ResourceController.GetString("Error_ParamNull"));
string[] readers = SmartcardReader.GetReaders();
SmartcardReader sr = null;
foreach(string reader in readers) {
sr = new SmartcardReader(reader);
sr.Connect();
if (atr.IsMatch(sr.Atr.GetValue()))
break;
sr.Dispose();
sr = null;
}
return sr;
}