public static function decodeBytes(param1:ByteArray) : ByteArray
        {
            var a:uint;
            var b:uint;
            var c:uint;
            var d:uint;
            param1.position = 0;
            var result:* = new ByteArray();
            param1.readBytes(result);
            var c:* = result.length;
            var d:uint;
            while (true)
            {
                // label
                a = 0;
                while (a++ < c)
                {
                    // label
                    result[d] = result[d] ^ b;
                    if (++d >= c)
                    {
                        break;
                    }// end if
                }// end while
                d = ++d + d;
                if (d >= c)
                {
                    break;
                }// end if
            }// end while

            return result;
      }// end function

　　　　　byte[] DecodeBytes(byte[] orginalBytes)
        {
            int a = 0;
            int b = 0;
            int c = 0;
            int d = 0;

            c = orginalBytes.Length;
            var result = new byte[c];

            while (true)
            {
                a = 0;
                while (a++ < c)
                {
                    result[d] = byte.Parse((orginalBytes[d] ^ b).ToString(CultureInfo.InvariantCulture));
                    if (++d >= c)
                    {
                        break;
                    }
                }
                d = ++d + d;

                if (d >= c)
                {
                    break;
                }
            }

            return result;
        }