add macFull3des method to Crypto

app/src/main/java/im/status/applet_installer_test/appletinstaller/Crypto.java

@@ -76,6 +76,31 @@ public class Crypto {
         }
     }
 
+    public static  byte[] macFull3des(byte[] keyData, byte[] data, byte[] iv) {
+        try {
+            SecretKeySpec keyDes = new SecretKeySpec(resizeKey8(keyData), "DES");
+            Cipher cipherDes = Cipher.getInstance("DES/CBC/NoPadding");
+            cipherDes.init(Cipher.ENCRYPT_MODE, keyDes, new IvParameterSpec(iv));
+
+            SecretKeySpec keyDes3 = new SecretKeySpec(resizeKey24(keyData), "DESede");
+            Cipher cipherDes3 = Cipher.getInstance("DESede/CBC/NoPadding");
+            byte[] des3Iv = iv;
+
+            if (data.length > 8) {
+                byte[] tmp = cipherDes.doFinal(data, 0, data.length - 8);
+                System.arraycopy(tmp, tmp.length - 8, des3Iv, 0, 8);
+            }
+
+            cipherDes3.init(Cipher.ENCRYPT_MODE, keyDes3, new IvParameterSpec(des3Iv));
+            byte[] result = cipherDes3.doFinal(data, data.length - 8, 8);
+            byte[] tail = new byte[8];
+            System.arraycopy(result, result.length - 8, tail, 0, 8);
+            return tail;
+        } catch (GeneralSecurityException e) {
+            throw new RuntimeException("error generating full triple DES MAC.", e);
+        }
+    }
+
     public static byte[] resizeKey24(byte[] keyData) {
         byte[] key = new byte[24];
         System.arraycopy(keyData, 0, key, 0, 16);

app/src/test/java/im/status/applet_installer_test/appletinstaller/APDUResponseTest.java

@@ -2,8 +2,6 @@ package im.status.applet_installer_test.appletinstaller;
 
 import org.junit.Test;
 
-import java.io.IOException;
-
 import static org.junit.Assert.*;
 
 public class APDUResponseTest {

app/src/test/java/im/status/applet_installer_test/appletinstaller/CryptoTest.java

@@ -40,4 +40,14 @@ public class CryptoTest {
         byte[] cardCryptogram = HexUtils.hexStringToByteArray("05c4bb8a86014e22");
         assertTrue(Crypto.verifyCryptogram(encKey, hostChallenge, cardChallenge, cardCryptogram));
     }
+
+    @Test
+    public void macFull3des() {
+        byte[] key = HexUtils.hexStringToByteArray("5b02e75ad63190aece0622936f11abab");
+        byte[] data = HexUtils.hexStringToByteArray("8482010010810b098a8fbb88da800000");
+        String expected = "5271D7174A5A166A";
+
+        byte[] result = Crypto.macFull3des(key, data, Crypto.NullBytes8);
+        assertEquals(expected, HexUtils.byteArrayToHexString(result));
+    }
 }

app/src/test/java/im/status/applet_installer_test/appletinstaller/ExampleUnitTest.java

@@ -1,17 +0,0 @@
-package im.status.applet_installer_test.appletinstaller;
-
-import org.junit.Test;
-
-import static org.junit.Assert.*;
-
-/**
- * Example local unit test, which will execute on the development machine (host).
- *
- * @see <a href="http://d.android.com/tools/testing">Testing documentation</a>
- */
-public class ExampleUnitTest {
-    @Test
-    public void addition_isCorrect() {
-        assertEquals(4, 2 + 2);
-    }
-}