[AnGeL25dZ]

التشفير Encode

public string EncodeHex(string stre)
        {
            cres = "";
            foreach (char t in stre)
            {
                Int32 t1 = Convert.ToInt32(t);
                string hexValue = t1.ToString("X");
                cres = cres + hexValue;

            }
                
                return cres;
        }

فك التشفير Decode:

  public string DecodeHex(string strd)
        {
            cres = "";
            string txt;
            try
            {
                for (int i = 0; i < strd.Length; i += 2)
                {
                    txt = (strd.Substring(i, 2));
                    int num = int.Parse(txt, System.Globalization.NumberStyles.HexNumber);
                    char txt1 = Convert.ToChar(num);
                    cres = cres + txt1;
                }

                
                return cres;
            }
            catch (System.Exception)
            {
                cres = "Error: txt is not in hex format";
                return cres;
            }
        }