private Vector2Int InternalDecrypt()
{
if (!inited)
{
currentCryptoKey = cryptoKey;
hiddenValue = Encrypt(zero);
fakeValue = zero;
fakeValueActive = false;
inited = true;
return(zero);
}
var value = new Vector2Int
{
x = ObscuredInt.Decrypt(hiddenValue.x, currentCryptoKey),
y = ObscuredInt.Decrypt(hiddenValue.y, currentCryptoKey)
};
if (Detectors.ObscuredCheatingDetector.ExistsAndIsRunning && fakeValueActive && value != fakeValue)
{
Detectors.ObscuredCheatingDetector.Instance.OnCheatingDetected();
}
return(value);
}
/// <summary>
/// Allows to change current crypto key to the new random value and re-encrypt variable using it.
/// Use it for extra protection against 'unknown value' search.
/// Just call it sometimes when your variable doesn't change to fool the cheater.
/// </summary>
public void RandomizeCryptoKey()
{
var decrypted = InternalDecrypt();
currentCryptoKey = ThreadSafeRandom.Next();
hiddenValue = Encrypt(decrypted, currentCryptoKey);
}
/// <summary>
/// Mimics constructor of regular Vector2Int.
/// </summary>
/// <param name="x">X component of the vector</param>
/// <param name="y">Y component of the vector</param>
public ObscuredVector2Int(int x, int y)
{
currentCryptoKey = cryptoKey;
hiddenValue = Encrypt(x, y, currentCryptoKey);
inited = true;
}
public void RandomizeCryptoKey()
{
var decrypted = InternalDecrypt();
currentCryptoKey = GenerateKey();
hiddenValue = Encrypt(decrypted, currentCryptoKey);
}
private ObscuredVector2Int(Vector2Int value)
{
currentCryptoKey = cryptoKey;
hiddenValue = Encrypt(value);
inited = true;
}
/// <summary>
/// Creates and fills obscured variable with raw encrypted value previously got from GetEncrypted().
/// </summary>
/// Literally does same job as SetEncrypted() but makes new instance instead of filling existing one,
/// making it easier to initialize new variables from saved encrypted values.
///
/// Make sure this obscured type currently has same crypto key as when encrypted value was got with GetEncrypted().
/// It will be same (default) if you did not used SetNewCryptoKey().
/// <param name="encrypted">Raw encrypted value you got from GetEncrypted().</param>
/// <returns>New obscured variable initialized from specified encrypted value.</returns>
/// \sa GetEncrypted(), SetEncrypted()
public static ObscuredVector2Int FromEncrypted(RawEncryptedVector2Int encrypted)
{
var instance = new ObscuredVector2Int();
instance.SetEncrypted(encrypted);
return(instance);
}
/// <summary>
/// Use it after SetNewCryptoKey() to re-encrypt current instance using new crypto key.
/// </summary>
public void ApplyNewCryptoKey()
{
if (currentCryptoKey != cryptoKey)
{
hiddenValue = Encrypt(InternalDecrypt(), cryptoKey);
currentCryptoKey = cryptoKey;
}
}
/// <summary>
/// Decrypts passed value you got from Encrypt() using same key.
/// </summary>
/// \sa Encrypt()
public static Vector2Int Decrypt(RawEncryptedVector2Int value, int key)
{
var result = new Vector2Int
{
x = ObscuredInt.Decrypt(value.x, key),
y = ObscuredInt.Decrypt(value.y, key)
};
return(result);
}
/// <summary>
/// Allows to change current crypto key to the new random value and re-encrypt variable using it.
/// Use it for extra protection against 'unknown value' search.
/// Just call it sometimes when your variable doesn't change to fool the cheater.
/// </summary>
public void RandomizeCryptoKey()
{
var decrypted = InternalDecrypt();
do
{
currentCryptoKey = Random.Range(int.MinValue, int.MaxValue);
} while (currentCryptoKey == 0);
hiddenValue = Encrypt(decrypted, currentCryptoKey);
}
/// <summary>
/// Allows to explicitly set current obscured value.
/// </summary>
/// Use it in conjunction with GetEncrypted().<br/>
/// Useful for loading data stored in obscured state.
public void SetEncrypted(RawEncryptedVector2Int encrypted)
{
inited = true;
hiddenValue = encrypted;
if (currentCryptoKey == 0)
{
currentCryptoKey = cryptoKey;
}
}
private ObscuredVector2Int(Vector2Int value)
{
currentCryptoKey = cryptoKey;
hiddenValue = Encrypt(value);
var detectorRunning = Detectors.ObscuredCheatingDetector.ExistsAndIsRunning;
fakeValue = detectorRunning ? value : zero;
fakeValueActive = detectorRunning;
inited = true;
}
private ObscuredVector2Int(Vector2Int value)
{
currentCryptoKey = GenerateKey();
hiddenValue = Encrypt(value, currentCryptoKey);
#if UNITY_EDITOR
fakeValue = value;
fakeValueActive = true;
#else
var detectorRunning = Detectors.ObscuredCheatingDetector.ExistsAndIsRunning;
fakeValue = detectorRunning ? value : Zero;
fakeValueActive = detectorRunning;
#endif
inited = true;
}
/// <summary>
/// Allows to explicitly set current obscured value. Crypto key should be same as when encrypted value was got with GetEncrypted().
/// </summary>
/// Use it in conjunction with GetEncrypted().<br/>
/// Useful for loading data stored in obscured state.
/// \sa FromEncrypted()
public void SetEncrypted(RawEncryptedVector2Int encrypted, int key)
{
inited = true;
hiddenValue = encrypted;
currentCryptoKey = key;
if (Detectors.ObscuredCheatingDetector.ExistsAndIsRunning)
{
fakeValueActive = false;
fakeValue = InternalDecrypt();
fakeValueActive = true;
}
else
{
fakeValueActive = false;
}
}
/// <summary>
/// Mimics constructor of regular Vector2Int.
/// </summary>
/// <param name="x">X component of the vector</param>
/// <param name="y">Y component of the vector</param>
public ObscuredVector2Int(int x, int y)
{
currentCryptoKey = cryptoKey;
hiddenValue = Encrypt(x, y, currentCryptoKey);
if (Detectors.ObscuredCheatingDetector.ExistsAndIsRunning)
{
fakeValue = new Vector2Int(x, y);
fakeValueActive = true;
}
else
{
fakeValue = zero;
fakeValueActive = false;
}
inited = true;
}
private Vector2Int InternalDecrypt()
{
if (!inited)
{
currentCryptoKey = cryptoKey;
hiddenValue = Encrypt(zero);
inited = true;
return(zero);
}
var value = new Vector2Int
{
x = ObscuredInt.Decrypt(hiddenValue.x, currentCryptoKey),
y = ObscuredInt.Decrypt(hiddenValue.y, currentCryptoKey)
};
return(value);
}
private Vector2Int InternalDecrypt()
{
if (!inited)
{
currentCryptoKey = GenerateKey();
hiddenValue = Encrypt(Zero, currentCryptoKey);
fakeValue = Zero;
fakeValueActive = false;
inited = true;
return(Zero);
}
var decrypted = Decrypt(hiddenValue, currentCryptoKey);
if (Detectors.ObscuredCheatingDetector.ExistsAndIsRunning && fakeValueActive && decrypted != fakeValue)
{
Detectors.ObscuredCheatingDetector.Instance.OnCheatingDetected();
}
return(decrypted);
}
public void SetEncrypted(RawEncryptedVector2Int encrypted)
{
}
public static Vector2Int Decrypt(RawEncryptedVector2Int value)
{
throw new Exception();
}
/// <summary>
/// Use it to decrypt RawEncryptedVector2Int you got from Encrypt(), uses default crypto key.
/// </summary>
public static Vector2Int Decrypt(RawEncryptedVector2Int value)
{
return(Decrypt(value, 0));
}
