package my.husm.mifare;
 
import java.nio.ByteBuffer;
import java.util.List;
import javax.smartcardio.Card;
import javax.smartcardio.CardChannel;
import javax.smartcardio.CardException;
import javax.smartcardio.CardTerminal;
import javax.smartcardio.TerminalFactory;
 
/**
*
* @author mree
*/
public class Read {
 
   public Read() {
 
       try {
 
           CardTerminal terminal = null;
 
           // show the list of available terminals
           TerminalFactory factory = TerminalFactory.getDefault();
           List<CardTerminal> terminals = factory.terminals().list();
 
           String readerName = "";
 
           for (int i = 0; i < terminals.size(); i++) {
 
               readerName = terminals.get(i).toString().substring(
                                   terminals.get(i).toString().length() - 2);
 
               if (readerName.equalsIgnoreCase("01")) {
                   terminal = terminals.get(i);
               }
           }
 
           // Establish a connection with the card
           System.out.println("Waiting for a card..");
           terminal.waitForCardPresent(0);
 
           Card card = terminal.connect("T=0");
           CardChannel channel = card.getBasicChannel();
 
           // Start with something simple, read UID, kinda like Hello World!
           byte[] baReadUID = new byte[5];
 
           baReadUID = new byte[]{(byte) 0xFF, (byte) 0xCA, (byte) 0x00,
                                  (byte) 0x00, (byte) 0x00};
 
           System.out.println("UID: " + send(baReadUID, channel));
           // If successfull, the output will end with 9000
 
           // OK, now, the real work
           // Get Serial Number
           // Load key
           byte[] baLoadKey = new byte[12];
 
           baLoadKey = new byte[]{(byte) 0xFF, (byte) 0x82, (byte) 0x20,
                                     (byte) 0x1A, (byte) 0x06, (byte) 0xFF,
                                     (byte) 0xFF, (byte) 0xFF, (byte) 0xFF,
                                     (byte) 0xFF, (byte) 0xFF};
 
           System.out.println("LOAD KEY: " + send(baLoadKey, channel));
           // If successfull, will output 9000
 
           // Authenticate
           byte[] baAuth = new byte[7];
 
           baAuth = new byte[]{(byte) 0xFF, (byte) 0x88, (byte) 0x00,
                               (byte) 0x09, (byte) 0x60, (byte) 0x00};
 
           System.out.println("AUTHENTICATE: " + send(baAuth, channel));
           // If successfull, will output 9000
 
           // Read Serial
           byte[] baRead = new byte[6];
 
           baRead = new byte[]{(byte) 0xFF, (byte) 0xB0, (byte) 0x00,
                               (byte) 0x09, (byte) 0x10};
 
           System.out.println("READ: " + send(baRead, channel));
           // If successfull, the output will end with 9000
 
       } catch (Exception ex) {
           ex.printStackTrace();
       }
   }
 
   public String send(byte[] cmd, CardChannel channel) {
 
       String res = "";
 
       byte[] baResp = new byte[258];
       ByteBuffer bufCmd = ByteBuffer.wrap(cmd);
       ByteBuffer bufResp = ByteBuffer.wrap(baResp);
 
       // output = The length of the received response APDU
       int output = 0;
 
       try {
 
           output = channel.transmit(bufCmd, bufResp);
 
       } catch (CardException ex) {
           ex.printStackTrace();
       }
 
       for (int i = 0; i < output; i++) {
           res += String.format("%02X", baResp[i]);
           // The result is formatted as a hexadecimal integer
       }
 
       return res;
   }
 
   public static void main(String[] args) {
       new Read();
   }
}

# Load Key
+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
|   FF   |   82   |   20   |   1A   |   06   |   FF   |   FF   |   FF   |   FF   |   FF   |   FF   |
+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
|   1    |   2    |   3    |   4    |   5    |   6    |   7    |   8    |   9    |   10   |   11   |
+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+--------+
 
1   = CLA : (Fixed)
2   = INS : (Fixed)
3   = P1  : (Fixed)
4   = P2  : Key type, could be 00, 1A, 1B
5   = LC  : Key length, usually 6 for 6 byte
6   = XX  : ----+
7   = XX  :     |
8   = XX  :     |__ The Key (eg. FF FF FF FF FF FF)
9   = XX  :     |
10  = XX  :     |
11  = XX  : ----+
 
# Autenthicate
+--------+--------+--------+--------+--------+--------+
|   FF   |   88   |   00   |   01   |   60   |   00   |
+--------+--------+--------+--------+--------+--------+
|   1    |   2    |   3    |   4    |   5    |   6    |
+--------+--------+--------+--------+--------+--------+
 
1   = CLA : (Fixed)
2   = INS : (Fixed)
3   = P1  : (Fixed)
4   = P2  : Block Number you want to authenticate in Hex
5   = P3  : Mifare Block Number LSB
6   = XX  : Key type, could be 00, 1A, 1B
 
# Read
+--------+--------+--------+--------+--------+
|   FF   |   B0   |   00   |   01   |   10   |
+--------+--------+--------+--------+--------+
|   1    |   2    |   3    |   4    |   5    |
+--------+--------+--------+--------+--------+
 
1   = CLA : (Fixed)
2   = INS : (Fixed)
3   = P1  : (Fixed)
4   = P2  : Block Number that you want to read in Hex
5   = Le  : (Fixed)

    public JTable autoResizeColWidth(JTable table, DefaultTableModel model) {
        table.setAutoResizeMode(JTable.AUTO_RESIZE_OFF);
        table.setModel(model);
 
        int margin = 5;
 
        for (int i = 0; i < table.getColumnCount(); i++) {
            int                     vColIndex = i;
            DefaultTableColumnModel colModel  = (DefaultTableColumnModel) table.getColumnModel();
            TableColumn             col       = colModel.getColumn(vColIndex);
            int                     width     = 0;
 
            // Get width of column header
            TableCellRenderer renderer = col.getHeaderRenderer();
 
            if (renderer == null) {
                renderer = table.getTableHeader().getDefaultRenderer();
            }
 
            Component comp = renderer.getTableCellRendererComponent(table, col.getHeaderValue(), false, false, 0, 0);
 
            width = comp.getPreferredSize().width;
 
            // Get maximum width of column data
            for (int r = 0; r < table.getRowCount(); r++) {
                renderer = table.getCellRenderer(r, vColIndex);
                comp     = renderer.getTableCellRendererComponent(table, table.getValueAt(r, vColIndex), false, false,
                        r, vColIndex);
                width = Math.max(width, comp.getPreferredSize().width);
            }
 
            // Add margin
            width += 2 * margin;
 
            // Set the width
            col.setPreferredWidth(width);
        }
 
        ((DefaultTableCellRenderer) table.getTableHeader().getDefaultRenderer()).setHorizontalAlignment(
            SwingConstants.LEFT);
 
        // table.setAutoCreateRowSorter(true);
        table.getTableHeader().setReorderingAllowed(false);
 
        return table;
    }

// Must pass the model
DefaultTableModel model = new DefaultTableModel();
jTable = autoResizeColWidth(jTable, model);