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@peter50216
Created Sep 29, 2014
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ISG2014 AFERE
// 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();
}
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