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JScript.Encode在线加密解密

JavaScript脚本VBScriptIEJ# 
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<HTML><HEAD><TITLE>JScript.Encode在线加密解密</TITLE>
<META http-equiv="Content-Type" content="text/html; charset=gb2312">
<SCRIPT language=javascript>
<!--
function screncode(s,l)
{
enc=new ActiveXObject("Scripting.Encoder");
return enc.EncodeScriptFile("."+l,s,0,l+"cript");
}
var STATE_COPY_INPUT = 100
var STATE_READLEN = 101
var STATE_DECODE = 102
var STATE_UNESCAPE = 103

var pick_encoding = new Array(
1, 2, 0, 1, 2, 0, 2, 0, 0, 2, 0, 2, 1, 0, 2, 0,
1, 0, 2, 0, 1, 1, 2, 0, 0, 2, 1, 0, 2, 0, 0, 2,
1, 1, 0, 2, 0, 2, 0, 1, 0, 1, 1, 2, 0, 1, 0, 2,
1, 0, 2, 0, 1, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 2
)

var rawData = new Array(
0x64,0x37,0x69, 0x50,0x7E,0x2C, 0x22,0x5A,0x65, 0x4A,0x45,0x72,
0x61,0x3A,0x5B, 0x5E,0x79,0x66, 0x5D,0x59,0x75, 0x5B,0x27,0x4C,
0x42,0x76,0x45, 0x60,0x63,0x76, 0x23,0x62,0x2A, 0x65,0x4D,0x43,
0x5F,0x51,0x33, 0x7E,0x53,0x42, 0x4F,0x52,0x20, 0x52,0x20,0x63,
0x7A,0x26,0x4A, 0x21,0x54,0x5A, 0x46,0x71,0x38, 0x20,0x2B,0x79,
0x26,0x66,0x32, 0x63,0x2A,0x57, 0x2A,0x58,0x6C, 0x76,0x7F,0x2B,
0x47,0x7B,0x46, 0x25,0x30,0x52, 0x2C,0x31,0x4F, 0x29,0x6C,0x3D,
0x69,0x49,0x70, 0x3F,0x3F,0x3F, 0x27,0x78,0x7B, 0x3F,0x3F,0x3F,
0x67,0x5F,0x51, 0x3F,0x3F,0x3F, 0x62,0x29,0x7A, 0x41,0x24,0x7E,
0x5A,0x2F,0x3B, 0x66,0x39,0x47, 0x32,0x33,0x41, 0x73,0x6F,0x77,
0x4D,0x21,0x56, 0x43,0x75,0x5F, 0x71,0x28,0x26, 0x39,0x42,0x78,
0x7C,0x46,0x6E, 0x53,0x4A,0x64, 0x48,0x5C,0x74, 0x31,0x48,0x67,
0x72,0x36,0x7D, 0x6E,0x4B,0x68, 0x70,0x7D,0x35, 0x49,0x5D,0x22,
0x3F,0x6A,0x55, 0x4B,0x50,0x3A, 0x6A,0x69,0x60, 0x2E,0x23,0x6A,
0x7F,0x09,0x71, 0x28,0x70,0x6F, 0x35,0x65,0x49, 0x7D,0x74,0x5C,
0x24,0x2C,0x5D, 0x2D,0x77,0x27, 0x54,0x44,0x59, 0x37,0x3F,0x25,
0x7B,0x6D,0x7C, 0x3D,0x7C,0x23, 0x6C,0x43,0x6D, 0x34,0x38,0x28,
0x6D,0x5E,0x31, 0x4E,0x5B,0x39, 0x2B,0x6E,0x7F, 0x30,0x57,0x36,
0x6F,0x4C,0x54, 0x74,0x34,0x34, 0x6B,0x72,0x62, 0x4C,0x25,0x4E,
0x33,0x56,0x30, 0x56,0x73,0x5E, 0x3A,0x68,0x73, 0x78,0x55,0x09,
0x57,0x47,0x4B, 0x77,0x32,0x61, 0x3B,0x35,0x24, 0x44,0x2E,0x4D,
0x2F,0x64,0x6B, 0x59,0x4F,0x44, 0x45,0x3B,0x21, 0x5C,0x2D,0x37,
0x68,0x41,0x53, 0x36,0x61,0x58, 0x58,0x7A,0x48, 0x79,0x22,0x2E,
0x09,0x60,0x50, 0x75,0x6B,0x2D, 0x38,0x4E,0x29, 0x55,0x3D,0x3F
)

var transformed = new Array()
for (var i=0; i<3; i++) transformed[i] = new Array()
for (var i=31; i<=126; i++) for (var j=0; j<3; j++) transformed[j][rawData[(i-31) * 3 + j]] = (i==31) ? 9 : i

var digits = new Array()
for (var i=0; i<26; i++)
{
digits["A".charCodeAt(0)+i] = i
digits["a".charCodeAt(0)+i] = i+26
}
for (var i=0; i<10; i++) digits["0".charCodeAt(0)+i] = i+52
digits[0x2b] = 62
digits[0x2f] = 63

function unescape(char)
{
var escapes = "#&!*$"
var escaped = "\r\n<>@"

if (char.charCodeAt(0) > 126) return char
if (escapes.indexOf(char) != -1) return escaped.substr(escapes.indexOf(char), 1)
return "?"
}

function decodeBase64(string)
{
var val = 0
val += (digits[string.substr(0,1).charCodeAt(0)] << 2)
val += (digits[string.substr(1,1).charCodeAt(0)] >> 4)
val += (digits[string.substr(1,1).charCodeAt(0)] & 0xf) << 12
val += ((digits[string.substr(2,1).charCodeAt(0)] >> 2) << 8)
val += ((digits[string.substr(2,1).charCodeAt(0)] & 0x3) << 22)
val += (digits[string.substr(3,1).charCodeAt(0)] << 16)
return val
}

function strdec(encodingString)
{

var marker = "#@~^"
var stringIndex = 0
var scriptIndex = -1
var unEncodingIndex = 0
var char = null
var encodingLength = unEncodinglength = 0
var state = STATE_COPY_INPUT
var unEncodingString = ""
var re, arr

while(state)
{
switch (state)
{
case (STATE_COPY_INPUT) :
scriptIndex = encodingString.indexOf(marker, stringIndex)
if (scriptIndex != -1)
{
unEncodingString += encodingString.substring(stringIndex, scriptIndex)
scriptIndex += marker.length
state = STATE_READLEN
}
else
{
stringIndex = stringIndex==0 ? 0 : stringIndex
unEncodingString += encodingString.substr(stringIndex, encodingString.length)
state = 0
}
break

case (STATE_READLEN) :
encodingLength = encodingString.substr(scriptIndex, 6)
unEncodinglength = decodeBase64(encodingLength)
scriptIndex += (6 + "==".length)
state = STATE_DECODE
break

case (STATE_DECODE) :
if (!unEncodinglength)
{
stringIndex = scriptIndex + "DQgAAA==^#~@".length
unEncodingIndex = 0
state = STATE_COPY_INPUT
break
}
char = encodingString.substr(scriptIndex, 1)
if (char == "@") state = STATE_UNESCAPE
else
{
if (char.charCodeAt(0) < 0xFF)
{
unEncodingString += String.fromCharCode(transformed[pick_encoding[unEncodingIndex%64]][char.charCodeAt(0)])
unEncodingIndex++
}
else
{
unEncodingString += char
} 
scriptIndex++
unEncodinglength--
break
}

case STATE_UNESCAPE:
unEncodingString += unescape(encodingString.substr(++scriptIndex, 1))
scriptIndex++; unEncodinglength -=2
unEncodingIndex++
state = STATE_DECODE
break
}
}

re = new RegExp("(JScript|VBscript).encode", "gmi")
while(arr = re.exec(unEncodingString)) unEncodingString = RegExp.leftContext + RegExp.$1 + RegExp.rightContext
return unEncodingString
}

//-->
</SCRIPT>
<body style="font:14px;text-align:center">
<div style="text-align:left;width:666px;margin:auto"> 
<h1 style="color:#123;font-size:16px;text-align:center">JScript.Encode脚本在线加密和解密</h1>
使用本页面可以加密javascript函数，将script标记中的内容复制后进行加密(可多次加密),然后将标记修改为<script language="JScript.Encode">即可。<br />
                    <BR>
                    使用方法：<BR>
                        <FONT color=#ff0000>加密</FONT>：源代码粘贴在下面的框内,注意：<FONT 
color=#ff0000>请在加密前先备份您的网页</FONT><BR>
                        <FONT 
color=#ff0000>解密方法</FONT>：将引号内的乱码贴入按解密即可</P>
               
                <form>
                <center>
                    <textarea style="" name="codeinput" rows="20" cols="65"></TEXTAREA>
                    <BR />                   
                    <input  type="button" onclick="this.form.codeinput.value=screncode(this.form.codeinput.value,'JS')" value="加密">
                    <input type="button" onclick="this.form.codeinput.value=strdec(this.form.codeinput.value)" value="解密" />
  </form>
                    <br />
                  </center>
                  <P >说明：加密时应只加密脚本部分，不加密脚本标记<script 
                    language="javascript">，并且加密后脚本标记应改为：<BR>
                    <script language="JScript.Encode"></P>
                  <P>特别注意：本页面以及您加密后的jscript一般只可以在ie中进行。</P> 
              
</DIV>
</BODY></HTML>

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