app/src/main/java/de/dhbwloe/campusapp/nfcreader/MifareDESFire/DesfireManufacturingData.java

   1 package de.dhbwloe.campusapp.nfcreader.MifareDESFire;
   2
   3 import java.io.ByteArrayInputStream;
   4
   5 import de.dhbwloe.campusapp.nfcreader.Hex;
   6
   7 /**
   8  * Created by pk910 on 27.01.2016.
   9  */
  10 public class DesfireManufacturingData {
  11     public final int hwVendorID;
  12     public final int hwType;
  13     public final int hwSubType;
  14     public final int hwMajorVersion;
  15     public final int hwMinorVersion;
  16     public final int hwStorageSize;
  17     public final int hwProtocol;
  18
  19     public final int swVendorID;
  20     public final int swType;
  21     public final int swSubType;
  22     public final int swMajorVersion;
  23     public final int swMinorVersion;
  24     public final int swStorageSize;
  25     public final int swProtocol;
  26
  27     public final int uid;
  28     public final int batchNo;
  29     public final int weekProd;
  30     public final int yearProd;
  31
  32     public DesfireManufacturingData (byte[] data) {
  33         ByteArrayInputStream stream = new ByteArrayInputStream(data);
  34         hwVendorID     = stream.read();
  35         hwType         = stream.read();
  36         hwSubType      = stream.read();
  37         hwMajorVersion = stream.read();
  38         hwMinorVersion = stream.read();
  39         hwStorageSize  = stream.read();
  40         hwProtocol     = stream.read();
  41
  42         swVendorID     = stream.read();
  43         swType         = stream.read();
  44         swSubType      = stream.read();
  45         swMajorVersion = stream.read();
  46         swMinorVersion = stream.read();
  47         swStorageSize  = stream.read();
  48         swProtocol     = stream.read();
  49
  50         // FIXME: This has fewer digits than what's contained in EXTRA_ID, why?
  51         byte[] buf = new byte[7];
  52         stream.read(buf, 0, buf.length);
  53         uid = Hex.byteArrayToInt(buf);
  54
  55         // FIXME: This is returning a negative number. Probably is unsigned.
  56         buf = new byte[5];
  57         stream.read(buf, 0, buf.length);
  58         batchNo = Hex.byteArrayToInt(buf);
  59
  60         // FIXME: These numbers aren't making sense.
  61         weekProd = stream.read();
  62         yearProd = stream.read();
  63     }
  64
  65 }