JS代码ASCII码加密解密

小*** · 发表于 2018-1-16 12:33:21

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<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<title>JS代码ASCII码加密解密-爱发科技论坛[url=http://www.a8tg.com]www.a8tg.com[/url]-扎兰屯市爱发网络科技有限公司提供</title>
<style type="text/css">
.test{margin:0px;padding:0px;}
body{font:normal normal 400 10pt "宋体,Century Gothic,Arial,Helvetica";word-wrap:break-word;word-break:break-all;}
input{text-align:center;font-size:10pt;}
</style>
<script>
String.prototype.trim=function(){return this.replace(/(^\s+)|\s+$/g, "")};
function ASCII(){S1.value=SET_ASCII(S1.value,parseInt(Tx.value),parseInt(Ty.value))};
//ASCII码加密
function SET_ASCII(code,x,y){
if(code.trim()=="") return;
var data=[], O=[];
for(var i=0;i < code.length;i++){data.push('O('+(code.charCodeAt(i)*x*y+Math.floor(Math.random()*y))+')')};
var l="OlOlll="(x)";";
l+="OllOlO=" String";";
l+="OlllOO="tion";";
l+="OlOllO="Code(x)}";";
l+="OllOOO="Char";";
l+="OlllOl="func";";
l+="OllllO=" l = ";";
l+="OllOOl=".from";";
l+="OllOll="{return";";
l+="Olllll="var";";
l+="eval(Olllll+OllllO+OlllOl+OlllOO+OlOlll+OllOll+OllOlO+OllOOl+OllOOO+OlOllO);";
var O_txt="var O=function(m){return String.fromCharCode(Math.floor(m/"+y+")/"+x+")};";
for(var i=0;i < O_txt.length;i++){O.push('l('+O_txt.charCodeAt(i)+')')};
O="eval("+O.join("+")+");";
return l+O+"eval("+data.join("+")+");";
}
//解码
function jm1(text){
if(S1.value.trim()=="") return;
try{
var l=function(x){return String.fromCharCode(x)};
var data=text.match(/eval$([^;]*)$;/ig);
var id=eval(data[data.length-2].replace(/eval/,"String")).match(/\/([0-9]+)/ig);
var x=Tx.value=id[1].substr(1),y=Ty.value=id[0].substr(1);
var O=function(m){return String.fromCharCode(Math.floor(m/parseInt(y))/parseInt(x))};
eval(data[data.length-2].replace(/eval/,"String"));
return eval(data[data.length-1].replace(/eval/,"String"));
}catch(exception){
alert(exception.message);
return text;
}
}
function shell(){
var text=document.getElementById("S1");
if(text.value.trim()=='') return;
if(text.value.trim().charAt(0)!='<'){
try{eval(document.getElementById("S1").value)}catch(e){alert(e.description)}
}
};
</script>
</head>
<body bgcolor="#DDDDDD">
<table border="0" width="100%" cellspacing="0" cellpadding="0" id="table1">
<tr>
<td align="center"><h3>JS代码ASCII码加密解密</h3></td>
</tr>
<tr>
<td align="center" style="font-size:11pt;">
<p><textarea rows="30" name="S1" cols="100"></textarea></p>
<p>补位随机数<input type="text" id="Ty" name="Ty" value="10000" size="8" title="必需是一个1和N个0的组合">
加密换算<input type="text" id="Tx" name="Tx" value="99" size="8" title="1-100之间的任意整数">
<input type="button" value="字符加密">
<input type="button" value="代码解密">
<input type="button" value="动态测试"></p>
</td>
</tr>
</table>
</body>
</html>

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