爱华网<head>
<title>JScript.Encode加密解密</title>
<metahttp-equiv="Content-Type"content="text/html;charset=gb2312">
<scriptlanguage="javascript">
<!--
functionscrencode(s,l)
{enc=newActiveXObject("Scripting.Encoder");
returnenc.EncodeScriptFile("."+l,s,0,l+"cript");
}
varSTATE_COPY_INPUT=100
varSTATE_READLEN=101
varSTATE_DECODE=102
varSTATE_=103
varpick_encoding=newArray(
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
)
varrawData=newArray(
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
)
vartransformed=newArray()
for(vari=0;i<3;i++)transformed[i]=newArray()
for(vari=31;i<=126;i++)for(varj=0;j<3;j++)transformed[j][rawData[(i-31)*3+j]]=(i==31)?9:i
vardigits=newArray()
for(vari=0;i<26;i++)
{
digits["A".charCodeAt(0)+i]=i
digits["a".charCodeAt(0)+i]=i+26
}
for(vari=0;i<10;i++)digits["0".charCodeAt(0)+i]=i+52
digits[0x2b]=62
digits[0x2f]=63
function(char)
{
varescapes="#&!*$"
varescaped="<>@"
if(char.charCodeAt(0)>126)returnchar
if(escapes.indexOf(char)!=-1)returnescaped.substr(escapes.indexOf(char),1)
return"?"
}
functiondecodeBase64(string)
{
varval=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)
returnval
}
functionstrdec(encodingString)
{
varmarker="#@~^"
varstringIndex=0
varscriptIndex=-1
varunEncodingIndex=0
varchar=null
varencodingLength=unEncodinglength=0
varstate=STATE_COPY_INPUT
varunEncodingString=""
varre,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_
else
{
if(char.charCodeAt(0)<0xFF)
{
unEncodingString+=String.fromCharCode(transformed[pick_encoding[unEncodingIndex%64]][char.charCodeAt(0)])
unEncodingIndex++
}
else
{
unEncodingString+=char
}
scriptIndex++
unEncodinglength--
break
}
caseSTATE_:
unEncodingString+=(encodingString.substr(++scriptIndex,1))
scriptIndex++;unEncodinglength-=2
unEncodingIndex++
state=STATE_DECODE
break
}
}
re=newRegExp("(JScript|VBscript).encode","gmi")
while(arr=re.exec(unEncodingString))unEncodingString=RegExp.leftContext+RegExp.$1+RegExp.rightContext
returnunEncodingString
}
//-->
</script>
<bodytext="#000000">
<div>
<palign="center">
<fontcolor="#000000"><fontsize="2">JScript.Encode脚本加密与解密</font>
</font>
</p>
<FORMMETHOD="post">
<palign="center">
<textareaname="codeinput"cols="55"rows="10"></textarea><br>
<inputtype="button"value="Encode加密"onclick="this.form.codeinput.value=screncode(this.form.codeinput.value,'JS')"><inputtype="button"value="Encode解密"onclick="this.form.codeinput.value=strdec(this.form.codeinput.value)"><br>
</p>
</p></form>
</div>
<palign=center>
<fontsize="2"face="宋体"><scriptlanguage="JScript.Encode"></font></p>
<palign=center>
<fontsize="2">WriteBY</font><ahref=http://www.it077.com>
<fontsize="2"color="#000080">Elan</font></a></p>
</body>
</html>
说明：加密时应只加密脚本部分，不加密脚本标记<scriptlanguage="javascript">，并且加密后脚本标记应改为：<scriptlanguage="JScript.Encode">
二：automation服务器不能创建对象:
Javascript加密脚本在IE安全更新后报错“automation服务器不能创建对象”，原因是IE安全更新后修改了IE的安全级别设置禁止了未签名的ActiveX控件，而Javascript加密脚本使用了ActiveX控件“ActiveXObject(”Scripting.Encoder”)”（解密脚本不受此设置的影响）。
