Home | History | Annotate | Download | only in hce 
      1 package com.android.cts.verifier.nfc.hce;
      2 
      3 import android.content.ComponentName;
      4 import android.content.pm.PackageManager;
      5 
      6 public final class HceUtils {
      7     public static final String ACTION_APDU_SEQUENCE_COMPLETE =
      8             "com.android.cts.verifier.nfc.hce.ACTION_APDU_SEQUENCE_COMPLETE";
      9     public static final String ACTION_APDU_SEQUENCE_ERROR =
     10             "com.android.cts.verifier.nfc.hce.ACTION_APDU_SEQUENCE_ERROR";
     11 
     12     public static final String EXTRA_COMPONENT = "component";
     13     public static final String EXTRA_DURATION = "duration";
     14 
     15     public static final String PPSE_AID = "325041592E5359532E4444463031";
     16     public static final String MC_AID = "A0000000041010";
     17     public static final String VISA_AID = "A0000000030000";
     18 
     19     public static final String TRANSPORT_AID = "F001020304";
     20     public static final String ACCESS_AID = "F005060708";
     21 
     22     public static final String TRANSPORT_PREFIX_AID = "F001020304";
     23     public static final String ACCESS_PREFIX_AID = "F005060708";
     24 
     25     public static void enableComponent(PackageManager pm, ComponentName component) {
     26         pm.setComponentEnabledSetting(
     27                 component,
     28                 PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
     29                 PackageManager.DONT_KILL_APP);
     30     }
     31 
     32     public static void disableComponent(PackageManager pm, ComponentName component) {
     33         pm.setComponentEnabledSetting(
     34                 component,
     35                 PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
     36                 PackageManager.DONT_KILL_APP);
     37     }
     38 
     39     public static String getHexBytes(String header, byte[] bytes) {
     40         StringBuilder sb = new StringBuilder();
     41         if (header != null) {
     42             sb.append(header + ": ");
     43         }
     44         for (byte b : bytes) {
     45             sb.append(String.format("%02X ", b));
     46         }
     47         return sb.toString();
     48     }
     49 
     50     public static byte[] hexStringToBytes(String s) {
     51         if (s == null || s.length() == 0) return null;
     52         int len = s.length();
     53         if (len % 2 != 0) {
     54             s = '0' + s;
     55             len++;
     56         }
     57         byte[] data = new byte[len / 2];
     58         for (int i = 0; i < len; i += 2) {
     59             data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4)
     60                                  + Character.digit(s.charAt(i+1), 16));
     61         }
     62         return data;
     63     }
     64 
     65     public static final CommandApdu buildCommandApdu(String apdu, boolean reachable) {
     66         return new CommandApdu(apdu, reachable);
     67     }
     68 
     69     public static final CommandApdu buildSelectApdu(String aid, boolean reachable) {
     70         StringBuilder sb = new StringBuilder();
     71         sb.append("00A40400");
     72         sb.append(String.format("%02X", aid.length() / 2));
     73         sb.append(aid);
     74         return new CommandApdu(sb.toString(), reachable);
     75     }
     76 }
     77