ISG2014 AFERE

MainActivity.jad

// Decompiled by Jad v1.5.8g. Copyright 2001 Pavel Kouznetsov.
// Jad home page: http://www.kpdus.com/jad.html
// Decompiler options: packimports(3) 

package com.easy.crackme;

import android.app.Activity;
import android.os.Bundle;
import android.text.Editable;
import android.view.View;
import android.widget.EditText;
import android.widget.TextView;
import java.security.*;
import java.security.spec.InvalidKeySpecException;
import javax.crypto.*;
import javax.crypto.spec.DESKeySpec;

public class MainActivity extends Activity
{

    public MainActivity()
    {
    }

    public String b(byte abyte0[])
        throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeySpecException, IllegalBlockSizeException, BadPaddingException
    {
        byte abyte1[];
        int i;
        char ac[];
        int j;
        int k;
        SecureRandom securerandom = new SecureRandom();
        DESKeySpec deskeyspec = new DESKeySpec("Mem3d4Da".getBytes());
        Cipher cipher = Cipher.getInstance("DES");
        cipher.init(1, SecretKeyFactory.getInstance("DES").generateSecret(deskeyspec), securerandom);
        abyte1 = cipher.doFinal(abyte0);
        i = abyte1.length;
        ac = new char[4 * ((i + 2) / 3)];
        j = 0;
        k = 0;
_L6:
        if(j < i) goto _L2; else goto _L1
_L1:
        i % 3;
        JVM INSTR tableswitch 1 2: default 108
    //                   1 306
    //                   2 331;
           goto _L3 _L4 _L5
_L3:
        k;
_L7:
        return new String(ac);
_L2:
        int l = j + 1;
        byte byte0 = abyte1[j];
        int i1;
        byte byte1;
        int j1;
        byte byte2;
        int k1;
        int l1;
        int i2;
        if(l < i)
        {
            i1 = l + 1;
            byte1 = abyte1[l];
        } else
        {
            i1 = l;
            byte1 = 0;
        }
        if(i1 < i)
        {
            j1 = i1 + 1;
            byte2 = abyte1[i1];
        } else
        {
            j1 = i1;
            byte2 = 0;
        }
        k1 = k + 1;
        ac[k] = a[0x3f & byte0 >> 2];
        l1 = k1 + 1;
        ac[k1] = a[0x3f & (byte0 << 4 | (byte1 & 0xff) >> 4)];
        i2 = l1 + 1;
        ac[l1] = a[0x3f & (byte1 << 2 | (byte2 & 0xff) >> 6)];
        k = i2 + 1;
        ac[i2] = a[byte2 & 0x3f];
        j = j1;
          goto _L6
_L4:
        int j2;
        j2 = k - 1;
        ac[j2] = '*';
_L8:
        ac[j2 - 1] = '*';
          goto _L7
_L5:
        j2 = k;
          goto _L8
    }

    public void confirm(View view)
        throws InvalidKeyException, NoSuchAlgorithmException, NoSuchPaddingException, InvalidKeySpecException, IllegalBlockSizeException, BadPaddingException
    {
        TextView textview = (TextView)findViewById(0x7f05003d);
        if(b(((EditText)findViewById(0x7f05003c)).getText().toString().getBytes()).equals("OKBvTrSKXPK3cObqoS21IW7Dg0eZ2RTYm3UrdPaVTdY*"))
        {
            textview.setText("You find the Key");
            return;
        } else
        {
            textview.setText("Wrong");
            return;
        }
    }

    protected void onCreate(Bundle bundle)
    {
        super.onCreate(bundle);
        setContentView(0x7f030018);
    }

    private static final char a[] = "S4wp902KOV7QRogXdIUCMW1/ktz8sa5c3xePGfENuDTvBFqAmrbnLlHZYyhJij6+".toCharArray();

}