js怎么解密，js解密工具js怎么查看这些代码麻烦给解决一下

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js怎么解密，js解密工具js怎么查看这些代码麻烦给解决一下,第1张

首先你的加密后的代码有误，无法执行，应将return(c35?String.fromCharCode(c+29):

修改为return(c<a?"":e(parseInt(c/a)))+((c=c%a)>35?String.fromCharCode(c+29):

c和35之间的部分你没复制出来

这种加密的算法的解密方法很简单

<html>

<body>

<div id="test"></div>

<script type="text/javascript">

document.getElementById('test').innerHTML = 将需要破解的代码全部复制过来，注意你原来的代码不对，请通过替换先将上面说的那个错误改正

</script>

</body>

</html>

将上面的代码保存成html文件，打开此文件即可看到加密前的内容，由于你的问题解密后是广告语，所以不在此处给出，自己试一下

当你在浏览网页时，看到一个很漂亮的特效，你查看源代码时看到的是一队乱码，那多扫兴呀！根据本人的研究，总结出了三种解密方法，与大家分享！！

方法一：

有一种加密的办法是采用javascript的escape()函数，把某些符号、汉字等变成乱码，以达到迷惑人的目的。解密这种代码的办法是采用其反函数加以还原。下面是一个经过加密的例子：

<HTML>

<SCRIPT LANGUAGE="Javascript">

var Words ="%3Chtml%3E%3Cbody%20bgcolor%3D%22red%22%3E%3Cp%3E%u8FD9%u662F%u4F8B%u5B50%uFF01%uFF01%uFF1A%uFF09%3C/p%3E%3C/body%3E%3C/html%3E"

var NewWords

NewWords = unescape(Words)

document.write(NewWords)

</SCRIPT>

<BODY>

</BODY>

</HTML>

这种文件最好解密，一看就明白，关键是unescape()函数起了还原源代码的作用。要想看到加密前的代码是什么样子，可以用下面的办法：

<HTML><SCRIPT LANGUAGE="Javascript">

var Words ="%3Chtml%3E%3Cbody%20bgcolor%3D%22red%22%3E%3Cp%3E%u8FD9%u662F%u4F8B%u5B50%uFF01%uFF01%uFF1A%uFF09%3C/p%3E%3C/body%3E%3C/html%3E"

var NewWords

NewWords = unescape(Words)

NewWords=NewWords.toString()

function password(){

document.pw.txtpw.value=NewWords

}

</SCRIPT>

<BODY>

<form name=pw>

<input type=button onclick="password()" value="解密">

<br>

<textarea name="txtpw" cols="100" rows="100"></textarea>

</form>

</BODY>

</HTML>

方法二：

有一个软件叫HTMLEncrypt.exe，它就是把源代码进行加密的软件，这个软件的加密的原理是把字符转换。下面的例子是一个分帧的页面：

<html><head><script>

function Carbosoft( s ) { var sRet="" for(j=0 j< s.length j++ ){ var n= s.charCodeAt(j) if (n>=8364) {n = 128} sRet += String.fromCharCode( n - 3 ) } return( sRet ) }

var sJsCmds ="" +

"?kwpoA?khdgA?phwd#kwws0htxly@%Frqwhqw0W|sh%#frqwhqw@%wh{w2kwpo>#fkduvhw@lvr08<04%A?wlwohAZHOFRPH?2wlwohA?phwd#qdph@%JHQHUDWRU%#frqwhqw@%Plfurvriw#IurqwSdjh#613%A?phwd#qdph@%Plfurvriw#Wkhph%#frqwhqw@%qrqh/#ghidxow%A?phwd#qdph@%Plfurvriw#Erughu%#frqwhqw@%qrqh/#ghidxow%A?2khdgA?iudphvhw#erughu@%3%#iudpherughu@%3%#urzv@%-/93%A##?iudph#qdph@%pdlq%#vuf@%xs1kwp%#vfuroolqj@%dxwr%A##?iudph#qdph@%rqolqh%#vuf@%grzq1kwp%#vfuroolqj@%qr%#qruhvl}h#wdujhw@%beodqn%A##?qriudphvA##?erg|A##?sAWklv#sdjh#xvhv#iudphv/#exw#|rxu#eurzvhu#grhvq*w#vxssruw#wkhp1#?2sA##?2erg|A##?2qriudphvA?2iudphvhwA?2kwpoA?irqw#froru@%&33333%A?s#doljq@%fhqwhu%A?vpdooA?irqw#idfh@%Wdkrpd%AWklv#iloh#zdv#hqfu|swhg#xvlqj#dq#xquhjlvwhuhg#yhuvlrq#ri#?d#kuhi@%kwws=22fduer{1wkhgqv1qhw2kwpohqfu|sw1kwp%AKWPO#Hqfu|sw#y413?2dA1?2irqwA?2vpdooA?2sA" +

""

var s= Carbosoft( sJsCmds)

document.write (s)

</script>

</head><body></body></html>

从上面可以看出，浏览器解释这写代码前，进行了还原，从而可以得到破解的方法如下：

<script>

function Carbosoft( s ) { var sRet="" for(j=0 j< s.length j++ ){ var n= s.charCodeAt(j) if (n>=8364) {n = 128} sRet += String.fromCharCode( n - 3 ) } return( sRet ) }

var sJsCmds ="" +

"?kwpoA?khdgA?phwd#kwws0htxly@%Frqwhqw0W|sh%#frqwhqw@%wh{w2kwpo>#fkduvhw@lvr08<04%A?wlwohAZHOFRPH?2wlwohA?phwd#qdph@%JHQHUDWRU%#frqwhqw@%Plfurvriw#IurqwSdjh#613%A?phwd#qdph@%Plfurvriw#Wkhph%#frqwhqw@%qrqh/#ghidxow%A?phwd#qdph@%Plfurvriw#Erughu%#frqwhqw@%qrqh/#ghidxow%A?2khdgA?iudphvhw#erughu@%3%#iudpherughu@%3%#urzv@%-/93%A##?iudph#qdph@%pdlq%#vuf@%xs1kwp%#vfuroolqj@%dxwr%A##?iudph#qdph@%rqolqh%#vuf@%grzq1kwp%#vfuroolqj@%qr%#qruhvl}h#wdujhw@%beodqn%A##?qriudphvA##?erg|A##?sAWklv#sdjh#xvhv#iudphv/#exw#|rxu#eurzvhu#grhvq*w#vxssruw#wkhp1#?2sA##?2erg|A##?2qriudphvA?2iudphvhwA?2kwpoA?irqw#froru@%&33333%A?s#doljq@%fhqwhu%A?vpdooA?irqw#idfh@%Wdkrpd%AWklv#iloh#zdv#hqfu|swhg#xvlqj#dq#xquhjlvwhuhg#yhuvlrq#ri#?d#kuhi@%kwws=22fduer{1wkhgqv1qhw2kwpohqfu|sw1kwp%AKWPO#Hqfu|sw#y413?2dA1?2irqwA?2vpdooA?2sA" +

""

var s= Carbosoft( sJsCmds)

</script>

<form name=qq>

<textarea name=ww cols=100 rows=10></textarea>

<input onclick='ww.value=s' type=button value="解密">

</form>

方法三：

有一种加密方法是每行单独加密，还原起来比较复杂。看一个加密过的原文：

<HTML>

<BODY>

<SCRIPT LANGUAGE="JavaScript">

function Decode() {

d("FrfmnD")d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD")d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD")d("FfqfnuDejFIfqfnuD")d("FIruyvD")d("FxkvaD")d("FIxkvaD")d("FIrfmnD")d("W")return 0}

</SCRIPT>

<SCRIPT LANGUAGE="JavaScript">

function d (enc) {document.write(codeIt(key,enc))}

var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:<=>?@[\\]^_\t\`{}~\n"function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dvfor (var x = 0 x < eS.length x++) { wTG = mC.indexOf(eS.charAt(x))if (wTG > mcH) {dv = wTG - mcH nS = nS + mC.charAt(48 - dv)}else {dv = mcH - wTGnS = nS + mC.charAt(48 + dv)}}return nS}

</SCRIPT>

<SCRIPT LANGUAGE="JavaScript">

Decode()

</SCRIPT>

</BODY>

</HTML>

还原的时候，也必须每行单独解密，用下面的方法可以看到源代码：

<HTML>

<BODY>

<SCRIPT LANGUAGE="JavaScript">

function Decode() {

d("FrfmnD")d("FruyvDFgwhqjfWnyeseysuEXpydy%whqjf~J~XWghwEXfkjJpgXDFIgwhqjfD")d("FmufyWrffjKuieqdEX?klfulfK$ajuXWwklfulfEXfubfIrfmnGWwryhgufEsx}{~}XD")d("FfqfnuDejFIfqfnuD")d("FIruyvD")d("FxkvaD")d("FIxkvaD")d("FIrfmnD")d("W")return 0}

</SCRIPT>

<SCRIPT LANGUAGE="JavaScript">

function d (enc) {alert(codeIt(key,enc))}

var key = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz!\"\ \|#$%&\'()*+,-.\/:<=>?@[\\]^_\t\`{}~\n"function codeIt (mC, eS) {var wTG, mcH = mC.length / 2, nS = "", dvfor (var x = 0 x < eS.length x++) { wTG = mC.indexOf(eS.charAt(x))if (wTG > mcH) {dv = wTG - mcH nS = nS + mC.charAt(48 - dv)}else {dv = mcH - wTGnS = nS + mC.charAt(48 + dv)}}return nS}

</SCRIPT>

<SCRIPT LANGUAGE="JavaScript">

Decode()

</SCRIPT>

</BODY>

</HTML>

哈哈！！:=)是不是很精彩！！