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发表于 2004-5-14 12:37 | 只看该作者

ECODE加密方法

作者:边缘Monarchy
http://lbmonarchy.533.net/jm.htm
Encode，实际是一种不完全的Unicode 文本（见过Unicode 吗？汉字全是%uxxxx的），当表示英文或数字时，它与普通文本并无区别。但在表示各种控制符、特殊符号、扩展ASCII 字符（如汉字）甚至空格时，它就把它们全变成了%xx%xx的形式。

解密ENCODE有很多方法,我所提供的是一个网页的解密代码,代码如下
  1. <html>
  2. <head>
  3. <meta http-equiv="Content-Type" content="text/html; charset=gb2312">
  4. <title>网页解密</title>
  5. <style>
  6. td,select,input{font-size:10.5pt; color:#000000; height:16pt}
  7. textarea{font-size:14; color:#000000}
  8. a:link {text-decoration:none; color:#555555}
  9. a:hover {text-decoration:underline; color:#555555; background-color:ffff00}
  10. a:visited {text-decoration:none; color:#555555}
  11. </style>
  12. </head>
  13. <BODY>
  14. <script language="javascript">
  15. <!--
  16. function screncode(s,l)
  17. {enc=new ActiveXObject("Scripting.Encoder");
  18. return enc.EncodeScriptFile("."+l,s,0,l+"cript");
  19. }
  22. var STATE_COPY_INPUT  = 100
  23. var STATE_READLEN  = 101
  24. var STATE_DECODE  = 102
  25. var STATE_UNESCAPE  = 103
  27. var pick_encoding = new Array(
  28.   1, 2, 0, 1, 2, 0, 2, 0, 0, 2, 0, 2, 1, 0, 2, 0,
  29.   1, 0, 2, 0, 1, 1, 2, 0, 0, 2, 1, 0, 2, 0, 0, 2,
  30.   1, 1, 0, 2, 0, 2, 0, 1, 0, 1, 1, 2, 0, 1, 0, 2,
  31.   1, 0, 2, 0, 1, 1, 2, 0, 0, 1, 1, 2, 0, 1, 0, 2
  32. )
  34. var rawData = new Array(
  35.   0x64,0x37,0x69, 0x50,0x7E,0x2C, 0x22,0x5A,0x65, 0x4A,0x45,0x72,
  36.   0x61,0x3A,0x5B, 0x5E,0x79,0x66, 0x5D,0x59,0x75, 0x5B,0x27,0x4C,
  37.   0x42,0x76,0x45, 0x60,0x63,0x76, 0x23,0x62,0x2A, 0x65,0x4D,0x43,
  38.   0x5F,0x51,0x33, 0x7E,0x53,0x42, 0x4F,0x52,0x20, 0x52,0x20,0x63,
  39.   0x7A,0x26,0x4A, 0x21,0x54,0x5A, 0x46,0x71,0x38, 0x20,0x2B,0x79,
  40.   0x26,0x66,0x32, 0x63,0x2A,0x57, 0x2A,0x58,0x6C, 0x76,0x7F,0x2B,
  41.   0x47,0x7B,0x46, 0x25,0x30,0x52, 0x2C,0x31,0x4F, 0x29,0x6C,0x3D,
  42.   0x69,0x49,0x70, 0x3F,0x3F,0x3F, 0x27,0x78,0x7B, 0x3F,0x3F,0x3F,
  43.   0x67,0x5F,0x51, 0x3F,0x3F,0x3F, 0x62,0x29,0x7A, 0x41,0x24,0x7E,
  44.   0x5A,0x2F,0x3B, 0x66,0x39,0x47, 0x32,0x33,0x41, 0x73,0x6F,0x77,
  45.   0x4D,0x21,0x56, 0x43,0x75,0x5F, 0x71,0x28,0x26, 0x39,0x42,0x78,
  46.   0x7C,0x46,0x6E, 0x53,0x4A,0x64, 0x48,0x5C,0x74, 0x31,0x48,0x67,
  47.   0x72,0x36,0x7D, 0x6E,0x4B,0x68, 0x70,0x7D,0x35, 0x49,0x5D,0x22,
  48.   0x3F,0x6A,0x55, 0x4B,0x50,0x3A, 0x6A,0x69,0x60, 0x2E,0x23,0x6A,
  49.   0x7F,0x09,0x71, 0x28,0x70,0x6F, 0x35,0x65,0x49, 0x7D,0x74,0x5C,
  50.   0x24,0x2C,0x5D, 0x2D,0x77,0x27, 0x54,0x44,0x59, 0x37,0x3F,0x25,
  51.   0x7B,0x6D,0x7C, 0x3D,0x7C,0x23, 0x6C,0x43,0x6D, 0x34,0x38,0x28,
  52.   0x6D,0x5E,0x31, 0x4E,0x5B,0x39, 0x2B,0x6E,0x7F, 0x30,0x57,0x36,
  53.   0x6F,0x4C,0x54, 0x74,0x34,0x34, 0x6B,0x72,0x62, 0x4C,0x25,0x4E,
  54.   0x33,0x56,0x30, 0x56,0x73,0x5E, 0x3A,0x68,0x73, 0x78,0x55,0x09,
  55.   0x57,0x47,0x4B, 0x77,0x32,0x61, 0x3B,0x35,0x24, 0x44,0x2E,0x4D,
  56.   0x2F,0x64,0x6B, 0x59,0x4F,0x44, 0x45,0x3B,0x21, 0x5C,0x2D,0x37,
  57.   0x68,0x41,0x53, 0x36,0x61,0x58, 0x58,0x7A,0x48, 0x79,0x22,0x2E,
  58.   0x09,0x60,0x50, 0x75,0x6B,0x2D, 0x38,0x4E,0x29, 0x55,0x3D,0x3F
  59. )
  61. var transformed = new Array()
  62. for (var i=0; i<3; i++) transformed[i] = new Array()
  63. 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
  65. var digits = new Array()
  66. for (var i=0; i<26; i++)
  67. {
  68.   digits["A".charCodeAt(0)+i] = i
  69.   digits["a".charCodeAt(0)+i] = i+26
  70. }
  71. for (var i=0; i<10; i++) digits["0".charCodeAt(0)+i] = i+52
  72. digits[0x2b] = 62
  73. digits[0x2f] = 63
  75. function unescape(char)
  76. {
  77.   var escapes = "#&!*$"
  78.   var escaped = "\r\n<>@"
  80.   if (char.charCodeAt(0) > 126) return char
  81.   if (escapes.indexOf(char) != -1) return escaped.substr(escapes.indexOf(char), 1)
  82.   return "?"
  83. }
  85. function decodeBase64(string)
  86. {
  87.   var val = 0
  88.   val +=  (digits[string.substr(0,1).charCodeAt(0)] << 2)
  89.   val +=  (digits[string.substr(1,1).charCodeAt(0)] >> 4)
  90.   val +=  (digits[string.substr(1,1).charCodeAt(0)] & 0xf) << 12
  91.   val += ((digits[string.substr(2,1).charCodeAt(0)] >> 2) << 8)
  92.   val += ((digits[string.substr(2,1).charCodeAt(0)] & 0x3) << 22)
  93.   val +=  (digits[string.substr(3,1).charCodeAt(0)] << 16)
  94.   return val
  95. }
  97. function strdec(encodingString)
  98. {
  99.   
  100.   var marker = "#@~^"
  101.   var stringIndex = 0
  102.   var scriptIndex = -1
  103.   var unEncodingIndex = 0
  104.   var char = null
  105.   var encodingLength = unEncodinglength = 0
  106.   var state = STATE_COPY_INPUT
  107.   var unEncodingString = ""
  108.   var re, arr
  109.   
  110.   while(state)
  111.   {
  112.    switch (state)
  113.    {
  114.     case (STATE_COPY_INPUT) :
  115.      scriptIndex = encodingString.indexOf(marker, stringIndex)
  116.      if (scriptIndex != -1)
  117.      {
  118.       unEncodingString += encodingString.substring(stringIndex, scriptIndex)
  119.       scriptIndex += marker.length
  120.       state = STATE_READLEN
  121.      }
  122.      else
  123.      {
  124.       stringIndex = stringIndex==0 ? 0 : stringIndex
  125.       unEncodingString += encodingString.substr(stringIndex, encodingString.length)
  126.       state = 0
  127.      }
  128.      break
  129.    
  130.     case (STATE_READLEN) :
  131.      encodingLength = encodingString.substr(scriptIndex, 6)
  132.      unEncodinglength = decodeBase64(encodingLength)
  133.      scriptIndex += (6 + "==".length)
  134.      state = STATE_DECODE
  135.      break
  136.      
  137.     case (STATE_DECODE) :
  138.      if (!unEncodinglength)
  139.      {
  140.       stringIndex = scriptIndex + "DQgAAA==^#~@".length
  141.       unEncodingIndex = 0
  142.       state = STATE_COPY_INPUT
  143.       break
  144.      }
  145.      char = encodingString.substr(scriptIndex, 1)
  146.      if (char == "@") state = STATE_UNESCAPE
  147.      else
  148.      {
  149.       if (char.charCodeAt(0) < 0xFF)
  150.       {
  151.        unEncodingString += String.fromCharCode(transformed[pick_encoding[unEncodingIndex%64]][char.charCodeAt(0)])
  152.        unEncodingIndex++
  153.       }
  154.       else
  155.       {
  156.        unEncodingString += char
  157.       }      
  158.       scriptIndex++
  159.       unEncodinglength--
  160.       break
  161.      }
  162.      
  163.     case STATE_UNESCAPE:
  164.      unEncodingString += unescape(encodingString.substr(++scriptIndex, 1))
  165.      scriptIndex++; unEncodinglength -=2
  166.      unEncodingIndex++
  167.      state = STATE_DECODE
  168.      break
  169.    }
  170.   }
  171.   
  172.   re  = new RegExp("(JScript|VBscript).encode", "gmi")
  173.   while(arr = re.exec(unEncodingString)) unEncodingString = RegExp.leftContext + RegExp.$1 + RegExp.rightContext
  174.   return unEncodingString
  175. }
  177. //-->
  178. </script>
  180. <form name=qq>
  181. <p align="center"><b><font face="华文中宋" color="#0000FF" size="6">ENCODE加
  182. 密 解 密</font></b></p>
  183. <p>
  184. <br>
  185. 请输入要加密或解密的文本：</p>
  186. <div align=center>
  187. <table><tr align=center><td colspan=2>
  188. <textarea name=codeinput cols=100 rows="15"></textarea>
  189. </td></tr>
  190. <tr align=center><td>
  191. <input type="button" value="Encode加密" onclick="this.form.codeinput.value=screncode(this.form.codeinput.value,'JS')">
  192. </td><td>
  194. <p align="center">
  196. <input type="button" value="Encode解密" onclick="this.form.codeinput.value=strdec(this.form.codeinput.value)"> <br>
  197. </p>
  198. </td>
  199. </form></form></form></tr></table>
  200. </form>
  201. <p style="width:100%;padding:0 40px;text-align:left">说明：</p>
  203. <p style="width:100%;padding:0 40px;text-align:left">加密时应只加密脚本部分，不加密脚本标记<script language="javascript">，</p>
  205. <p style="width:100%;padding:0 40px;text-align:left">并且加密后脚本标记应改为：<script language="JScript.Encode"></p>
  207. <div align=center><br>
  208. <table width=95%><tr><td align=left>
  209. 网页解密&reg; 1.00
  210. </td></tr></table>
  211. </div><br><p>
  213. </div>
  215. </BODY>
  216. </HTML>
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                     我是一个呼吸着现在的空气而生活在过去的人
               这样的注定孤独，孤独的身处闹市却犹如置身于荒漠
                                     我已习惯了孤独，爱上孤独
                                 他让我看清了自我，还原了自我
                             让我再静静的沉思中得到快乐和满足
                                   再孤独的世界里我一遍又一遍
                                   不厌其烦的改写着自己的过去
                                             延伸到现在与未来
                                       然而那只是泡沫般的美梦
                                 产生的时刻又伴随着破灭的到来
                         在灰飞烟灭的瞬间我看到的是过程的美丽
                                      而不是结果的悲哀。。。
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