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 final String LARGE_NUM_AIDS_PREFIX = "F00102030414"; 26 public static final String LARGE_NUM_AIDS_POSTFIX ="81"; 27 enableComponent(PackageManager pm, ComponentName component)28 public static void enableComponent(PackageManager pm, ComponentName component) { 29 pm.setComponentEnabledSetting( 30 component, 31 PackageManager.COMPONENT_ENABLED_STATE_ENABLED, 32 PackageManager.DONT_KILL_APP); 33 } 34 disableComponent(PackageManager pm, ComponentName component)35 public static void disableComponent(PackageManager pm, ComponentName component) { 36 pm.setComponentEnabledSetting( 37 component, 38 PackageManager.COMPONENT_ENABLED_STATE_DISABLED, 39 PackageManager.DONT_KILL_APP); 40 } 41 getHexBytes(String header, byte[] bytes)42 public static String getHexBytes(String header, byte[] bytes) { 43 StringBuilder sb = new StringBuilder(); 44 if (header != null) { 45 sb.append(header + ": "); 46 } 47 for (byte b : bytes) { 48 sb.append(String.format("%02X ", b)); 49 } 50 return sb.toString(); 51 } 52 hexStringToBytes(String s)53 public static byte[] hexStringToBytes(String s) { 54 if (s == null || s.length() == 0) return null; 55 int len = s.length(); 56 if (len % 2 != 0) { 57 s = '0' + s; 58 len++; 59 } 60 byte[] data = new byte[len / 2]; 61 for (int i = 0; i < len; i += 2) { 62 data[i / 2] = (byte) ((Character.digit(s.charAt(i), 16) << 4) 63 + Character.digit(s.charAt(i+1), 16)); 64 } 65 return data; 66 } 67 buildCommandApdu(String apdu, boolean reachable)68 public static final CommandApdu buildCommandApdu(String apdu, boolean reachable) { 69 return new CommandApdu(apdu, reachable); 70 } 71 buildSelectApdu(String aid, boolean reachable)72 public static final CommandApdu buildSelectApdu(String aid, boolean reachable) { 73 StringBuilder sb = new StringBuilder(); 74 sb.append("00A40400"); 75 sb.append(String.format("%02X", aid.length() / 2)); 76 sb.append(aid); 77 return new CommandApdu(sb.toString(), reachable); 78 } 79 } 80