private byte[] aesCounterCrypt(byte[] input, byte[] iv)
        {
            byte[] key = new byte[]{
                0xF1, 0x7D, 0x65, 0xA8, 0x2C, 0xC5, 0x32, 0x93, 0xFC, 0x44, 0xC9,
                0x36, 0xC7, 0x03, 0xD4, 0x4F, 0xCD, 0x18, 0x68, 0x81, 0x7E, 0xD4,
                0xB4, 0xA3, 0xC0, 0x65, 0x87, 0xF3, 0x71, 0x1D, 0xD5, 0xB6
            };

            byte[] output = new byte[input.Length];

            var aes = new AesCryptoServiceProvider();
            aes.Mode = CipherMode.ECB; //The mode is actually counter, but .net doesn't have a imp for that. This'll do.
            aes.Padding = PaddingMode.None;

            var icpt = aes.CreateDecryptor(key, iv);

            for (int i = 0; i < (input.Length / 16); i++)
            {
                icpt.TransformBlock(input, i * 16, 16, output, i * 16);

                //XOR the output with the plaintext producing the cipher text
                for (int j = 0; j < output.Length; j++)
                    output[(i * 16) + j] = (byte)(output[j] ^ input[(i * 16) + i]);

                for (int x = 0; x < 0x1f; x++)
                {
                    iv[x] = (byte)((iv[x] + 1) & 0xff);

                    if (iv[x] != 0) break;
                }

                //Update with new iv
                icpt = aes.CreateDecryptor(key, iv);
            }

            return output;
        }