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kenneygf



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encode网页加密解密

rt。。。。。。。
顶端 Posted: 2006-10-16 17:00 | [楼 主]
kenneygf



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<html>

<!-- Mirrored from 98062.com/jnskill15.htm by HTTrack Website Copier/3.x [XR&CO'2003], Fri, 14 May 2004 03:12:54 GMT -->
<head>
<title>98062--脚本天地</title>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312">
<meta name="author" content="netasp;EMAIL:netasp@sohu.com">
<link rel=stylesheet href="njs1.css" type="text/css">
<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 = 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>
</head>
<body>
<div class="div">
<span class="title">脚本加密与解密</span>
<FORM METHOD="post">
<textarea name="codeinput" cols="55" rows="10"></textarea><br><br>
<input type="button" value="Encode加密" onclick="this.form.codeinput.value=screncode(this.form.codeinput.value,'JS')"> <input type="button" value="Encode解密" onclick="this.form.codeinput.value=strdec(this.form.codeinput.value)"> <br>
<p style="width:100%;padding:0 40px;text-align:left">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：<script language="JScript.Encode"></p>
<INPUT TYPE="button" VALUE="返回" onClick="window.history.go(-1)" style="background-color: #8000FF; color: rgb(255,255,255)">
</form>
</div>
<br>
</body>

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</html>
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    • 顶端 Posted: 2006-10-16 17:00 | [1 楼]
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