UnityEngine.WWWTranscoder.Byte2Hex C# (CSharp) Method

        private static byte[] Byte2Hex(byte b, byte[] hexChars)
        {
            return new byte[] { hexChars[b >> 4], hexChars[b & 15] };
        }

 public static byte[] Encode(byte[] input, byte escapeChar, byte[] space, byte[] forbidden, bool uppercase)
 {
     byte[] result;
     using (MemoryStream memoryStream = new MemoryStream(input.Length * 2))
     {
         for (int i = 0; i < input.Length; i++)
         {
             bool flag = input[i] == 32;
             if (flag)
             {
                 memoryStream.Write(space, 0, space.Length);
             }
             else
             {
                 bool flag2 = input[i] < 32 || input[i] > 126 || WWWTranscoder.ByteArrayContains(forbidden, input[i]);
                 if (flag2)
                 {
                     memoryStream.WriteByte(escapeChar);
                     memoryStream.Write(WWWTranscoder.Byte2Hex(input[i], uppercase ? WWWTranscoder.ucHexChars : WWWTranscoder.lcHexChars), 0, 2);
                 }
                 else
                 {
                     memoryStream.WriteByte(input[i]);
                 }
             }
         }
         result = memoryStream.ToArray();
     }
     return(result);
 }