private byte[] ProcessChallenge(byte[] cha, WaveApplication app, bool createAccount)
{
byte[] user = null;
byte[] password = null;
byte[] passwordHash = null;
byte[] encCha = (byte[])cha.Clone();
if (app.HasLogin)
{
user = StringHelper.GetBytes(app.Login);
password = (byte[])app.Password.Clone();
}
else
{
user = new byte[0];
password = new byte[4];
}
// determine if the password should be hashed
if (!createAccount && app.HasLogin && app.Login.StartsWith(GeneratedUsernamePrefix))
{
// no hashing in here
passwordHash = (byte[])password.Clone();
}
else
{
// hash it
using (SHA1Managed hasher = new SHA1Managed())
{
passwordHash = hasher.ComputeHash(password);
}
}
// encrypt the challenge
sessionHandshakeFish = new Blowfish(passwordHash);
sessionHandshakeFish.Encrypt(encCha, encCha.Length);
// assembling result
byte[] res = new byte[1 + user.Length + encCha.Length];
res[0] = (byte)user.Length;
for (int i = 0; i < user.Length; i++)
{
res[i + 1] = (byte)(user[i] ^ (i + 0xD1)); // simple XOR encryption
}
Array.Copy(encCha, 0, res, 1 + user.Length, encCha.Length);
return(res);
}
public static void Start(WaveApplication appInfo)
{
// saving application info
Application = appInfo;
// saving data from global App object
BuildID = App.Instance.Build.BuildID;
UseEncryption = !App.Instance.Build.PlatformOptions.Contains(PlatformOption.NoEncryption);
IsMetro = App.Instance.Build.ClientOptions[ClientOption.MetroOptimisations].Equals(WaveConstant.True, StringComparison.InvariantCultureIgnoreCase);
// initialising agents
Settings.Start();
Cache.Start();
Network.Start();
}
protected override void OnElementChanged(ElementChangedEventArgs <WaveEngineSurface> e)
{
base.OnElementChanged(e);
if (Control == null)
{
_gameView = new Canvas();
_swapChainPanel = new SwapChainPanel();
_gameView.Children.Add(_swapChainPanel);
Canvas.SetTop(_swapChainPanel, 0);
Canvas.SetLeft(_swapChainPanel, 0);
_gameContext = new WaveApplication(_swapChainPanel);
SetNativeControl(_gameView);
Element.InputTransparent = false;
Element.InputTransparent = false;
Element.SizeChanged += Element_SizeChanged;
}
}
public void LoadApplication(WaveApplication app)
{
HideOverlay();
ThreadHelper.Sync(() => Core.Start(app));
}
