본문 바로가기

태그 스크립트 암호화하기

반응형

<html>
<head>
<title>예제</title>
<script>
msg = false;
dum = 1;
        //-- dum 은 1 에서 5 까지 취향에 맞게 선택하세요
        //-- 이 숫자가 0 이면 암호화가 되지 않습니다.
        //-- 1에서 5정도가 적당합니다..
              
function encode()  {
        myObj = document.myform.aaa;
        str = escape(myObj.value);
        end_num = str.length - 1;
        encode_str = '';
  
        befstr =   '<html><head><title></title><sc'
                 + 'ript>str2 = "'
        aftstr =   '";eh = "";for(k=0;k<str2.length;k++)'
                 + '{eh+=String.fromCharCode(str2.charCodeAt(k) - ' + dum + ');}'
                 + 'document.write(unescape(eh));</scr'
                 + 'ipt><body></body></html>'



        for(i=0;i<=end_num;i++)   {
           //if(str.charCodeAt(i)==9) i++;
           key = 1*str.charCodeAt(i) + dum;
           encode_str += String.fromCharCode(key);
           }
        document.myform.aaa.value = befstr + encode_str + aftstr;
        }


function getstr(value)   {

   var cs = document.myform.aaa.value;
   var str_num = cs.indexOf(value);    
   return str_num;          
   }
    

function decode()   {

   myObj = document.myform.aaa;
   str = myObj.value;
   //dum = 40000;
   //-- 위에 덤이랑 같은 숫자로...^..^
   decode_str = '';
   str_start = getstr('str2 = "') + 'str2 = "'.length;
   str_end = getstr('";eh');
  for(i=str_start;i<str_end;i++)  {
      key = 1*str.charCodeAt(i) - dum;
      decode_str += String.fromCharCode(key);
      }
  document.myform.aaa.value = unescape(decode_str);
}

function view_source()   {
  abab = prompt('페이지의 주소를 써 넣으세요','http://');
  window.location = 'view-source:' + abab;
  }
</script>


</head>
<body bgcolor=#aaaaaa>

<form name=myform>
<table border=1>
<tr><td>
<textarea name=aaa ROWS=15 COLS=50></textarea>
</td>
</tr>
<tr>
<td align=center>
<input type=button name=ccc value='인코딩' onclick='encode();'>
<input type=button          value='디코딩' onclick='decode();'>
<input type=reset name=ddd value='다시'>
<input type=button value='소스불러오기' onclick='view_source();'>
</td></tr>

</table>
</form>  
</body>
</html>

반응형

댓글


Copyright ⓒ SmartWeb All rights reserved.