Simple Encryption Javascript

Javascripts > Misc Javascripts > Simple Encryption

Script Title: Simple Encryption

Description: This script will help newbies in writing there very own encryption script. It is commented to help with the code. It will encrypt and decrypt.

Example: Available

Copy the following code into your <HEAD></HEAD> tags.

<script language="JavaScript1.2">  var b = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ%@#$^&*()-_=+.:";  var c = "zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA +=_-)(*&^$#@:.";  var d; var h; var i; var j = ""; var f = a.length;  var e = 0; var g = 1; while (e != f) {  d = a.substring(e,g);  h = b.indexOf(d);  i = c.charAt(h);  e++;  g++;  j += i;  } form1.second.value = j;  } function unconvert_It(form) { var aa = form1.second.value; var bb = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ @#$^&*()-_=+.:"; var cc = "zyxwvutsrqponmlkjihgfedcbaZYXWVUTSRQPONMLKJIHGFEDCBA +=_-)(*&^$#@:."; var dd; var hh; var ii; var jj = ""; var ff = aa.length; var ee = 0; var gg = 1; while (ee != ff) { dd = aa.substring(ee,gg); hh = cc.indexOf(dd);  ii = bb.charAt(hh);  ee++; gg++; jj += ii; } form1.second.value = jj; } //--> </script>

Copy the following code between the <BODY></BODY> tags of your html page.

<form name="form1" id="form1"> <textarea cols="40" rows="20" name="first"></textarea> <input type="button" name="go" value="Convert" onClick="convert_It(this.form)"> <input type="button" name="unconvert" value="Unconvert" onClick="unconvert_It(this.form)"> <textarea cols="40" rows="20" name="second"></textarea> </form>

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