靜態(tài)網(wǎng)頁加密

更新時(shí)間：2006年11月14日 00:00:00 作者：

前兩天看見有人問靜態(tài)網(wǎng)頁加密問題，就寫了這個(gè)代碼
稍微有些長(zhǎng)，解釋一下思路：
加密時(shí)：先把用戶的密鑰A用md5加密為B,然后用B異或源文件S0得到目標(biāo)文件S1，把S1存入js變量中。
解密時(shí)：詢問密鑰，然后操作同加密。
因?yàn)橛昧薽d5，個(gè)人認(rèn)為沒有密鑰的時(shí)候是無法破解的（暴力除外）

大家試用一下

<html>  <head>  <title>Web Encoder</title>  <style>  body {      font-size:12px;      line-height:12px;      background-Color:buttonface;      border-width:0px;      overflow:auto;      margin:0px;      padding:4px;  }  #t1, #t2 {      width:100%;      height:40%;      border-width:1px;      overflow:auto;      height:expression((document.body.clientHeight-100)/2);  }  input {      border-width:1px;      padding-left:10px;      padding-right:10px;      margin:4px;  }  </style>  <script>  function webEncode(){      strSource=escape(XOR(t1.value,STR.md5(p1.value)));      //strSource=t1.value;      strOut="<script>\r\nstrHTML=\"\";\r\n";      for(var i=0;i+70<strSource.length;i+=70){          strOut+="strHTML+=\""+addSlash(strSource.substring(i,i+70))+"\";\r\n";      }      strOut+="strHTML+=\""+addSlash(strSource.substring(i,strSource.length))+"\";\r\n";      strOut+=XOR+"\r\n";            //below code load the STR object      strOut+="var STR =\r\n{\r\n\thexcase : 0,  \/* hex output format. 0 - lowercase; 1 - ";      strOut+="uppercase        *\/\r\n\tb64pad  : \"\", \/* base-64 pad character. \"=\" for ";      strOut+="strict RFC compliance   *\/\r\n\tchrsz   : 8,  \/* bits per input character";      strOut+=". 8 - ASCII; 16 - Unicode      *\/\r\n\t\r\n\tb64_hmac_md5:\r\n\t\tfunction(key, ";      strOut+="data) { return binl2b64(core_hmac_md5(key, data)); },\r\n\t\t\r\n\tb64_md5:\r\n";      strOut+="\t\tfunction(s){ return binl2b64(core_md5(str2binl(s), s.length * this.c";      strOut+="hrsz));},\r\n\t\t\r\n\tbinl2b64:\r\n\t\tfunction(binarray){\r\n\t\t  var tab = \"ABCDE";      strOut+="FGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+\/\";\r\n\t\t  var";      strOut+=" str = \"\";\r\n\t\t  for(var i = 0; i < binarray.length * 4; i += 3)\r\n\t\t  {";      strOut+="\r\n\t\t    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) ";      strOut+="<< 16)\r\n\t\t                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & ";      strOut+="0xFF) << 8 )\r\n\t\t                |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%";      strOut+="4)) & 0xFF);\r\n\t\t    for(var j = 0; j < 4; j++)\r\n\t\t    {\r\n\t\t      if(i ";      strOut+="* 8 + j * 6 > binarray.length * 32) str += this.b64pad;\r\n\t\t      else ";      strOut+="str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);\r\n\t\t    }\r\n\t\t  }\r\n\t\t  r";      strOut+="eturn str;\r\n\t\t},\r\n\t\t\r\n\tbinl2hex:\r\n\t\tfunction(binarray){\r\n\t\t  var hex_t";      strOut+="ab = this.hexcase ? \"0123456789ABCDEF\" : \"0123456789abcdef\";\r\n\t\t  var ";      strOut+="str = \"\";\r\n\t\t  for(var i = 0; i < binarray.length * 4; i++)\r\n\t\t  {\r\n\t\t";      strOut+="    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +\r\n\t\t";      strOut+="           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);\r\n\t\t ";      strOut+=" }\r\n\t\t  return str;\r\n\t\t},\r\n\t\r\n\tbinl2str:\r\n\t\tfunction(bin){\r\n\t\t  var st";      strOut+="r = \"\";\r\n\t\t  var mask = (1 << this.chrsz) - 1;\r\n\t\t  for(var i = 0; i <";      strOut+=" bin.length * 32; i += this.chrsz)\r\n\t\t    str += String.fromCharCode((";      strOut+="bin[i>>5] >>> (i % 32)) & mask);\r\n\t\t  return str;\r\n\t\t},\r\n\t\t\r\n\tbit_rol:";      strOut+="\r\n\t\tfunction(num, cnt){return (num << cnt) | (num >>> (32 - cnt));},\r\n";      strOut+="\t\t\r\n\tcore_hmac_md5:\r\n\t\tfunction(key, data){\r\n\t\t  var bkey = str2binl(k";      strOut+="ey);\r\n\t\t  if(bkey.length > 16) bkey = core_md5(bkey, key.length * this";      strOut+=".chrsz);\r\n\t\t\r\n\t\t  var ipad = Array(16), opad = Array(16);\r\n\t\t  for(var";      strOut+=" i = 0; i < 16; i++)\r\n\t\t  {\r\n\t\t    ipad[i] = bkey[i] ^ 0x36363636;\r\n\t\t";      strOut+="    opad[i] = bkey[i] ^ 0x5C5C5C5C;\r\n\t\t  }\r\n\t\t\r\n\t\t  var hash = core_md";      strOut+="5(ipad.concat(str2binl(data)), 512 + data.length * this.chrsz);\r\n\t\t  r";      strOut+="eturn core_md5(opad.concat(hash), 512 + 128);\r\n\t\t},\r\n\t\t\r\n\tcore_md5:\r\n\t";      strOut+="\tfunction(x, len){\r\n\t\t  \/* append padding *\/\r\n\t\t  x[len >> 5] |= 0x80 ";      strOut+="<< ((len) % 32);\r\n\t\t  x[(((len + 64) >>> 9) << 4) + 14] = len;\r\n\t\t\r\n\t\t";      strOut+="  var a =  1732584193;\r\n\t\t  var b = -271733879;\r\n\t\t  var c = -17325841";      strOut+="94;\r\n\t\t  var d =  271733878;\r\n\t\t\r\n\t\t  for(var i = 0; i < x.length; i +";      strOut+="= 16)\r\n\t\t  {\r\n\t\t    var olda = a;\r\n\t\t    var oldb = b;\r\n\t\t    var oldc";      strOut+=" = c;\r\n\t\t    var oldd = d;\r\n\t\t\r\n\t\t    a = this.md5_ff(a, b, c, d, x[i+";      strOut+=" 0], 7 , -680876936);\r\n\t\t    d = this.md5_ff(d, a, b, c, x[i+ 1], 12, ";      strOut+="-389564586);\r\n\t\t    c = this.md5_ff(c, d, a, b, x[i+ 2], 17,  60610581";      strOut+="9);\r\n\t\t    b = this.md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);\r\n\t\t ";      strOut+="   a = this.md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);\r\n\t\t    d = th";      strOut+="is.md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);\r\n\t\t    c = this.md5_f";      strOut+="f(c, d, a, b, x[i+ 6], 17, -1473231341);\r\n\t\t    b = this.md5_ff(b, c, ";      strOut+="d, a, x[i+ 7], 22, -45705983);\r\n\t\t    a = this.md5_ff(a, b, c, d, x[i+";      strOut+=" 8], 7 ,  1770035416);\r\n\t\t    d = this.md5_ff(d, a, b, c, x[i+ 9], 12,";      strOut+=" -1958414417);\r\n\t\t    c = this.md5_ff(c, d, a, b, x[i+10], 17, -42063)";      strOut+=";\r\n\t\t    b = this.md5_ff(b, c, d, a, x[i+11], 22, -1990404162);\r\n\t\t   ";      strOut+=" a = this.md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);\r\n\t\t    d = thi";      strOut+="s.md5_ff(d, a, b, c, x[i+13], 12, -40341101);\r\n\t\t    c = this.md5_ff(c";      strOut+=", d, a, b, x[i+14], 17, -1502002290);\r\n\t\t    b = this.md5_ff(b, c, d, ";      strOut+="a, x[i+15], 22,  1236535329);\r\n\t\t\r\n\t\t    a = this.md5_gg(a, b, c, d, x";      strOut+="[i+ 1], 5 , -165796510);\r\n\t\t    d = this.md5_gg(d, a, b, c, x[i+ 6], 9";      strOut+=" , -1069501632);\r\n\t\t    c = this.md5_gg(c, d, a, b, x[i+11], 14,  6437";      strOut+="17713);\r\n\t\t    b = this.md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);\r\n";      strOut+="\t\t    a = this.md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);\r\n\t\t    d =";      strOut+=" this.md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);\r\n\t\t    c = this.md5_";      strOut+="gg(c, d, a, b, x[i+15], 14, -660478335);\r\n\t\t    b = this.md5_gg(b, c, ";      strOut+="d, a, x[i+ 4], 20, -405537848);\r\n\t\t    a = this.md5_gg(a, b, c, d, x[i";      strOut+="+ 9], 5 ,  568446438);\r\n\t\t    d = this.md5_gg(d, a, b, c, x[i+14], 9 ,";      strOut+=" -1019803690);\r\n\t\t    c = this.md5_gg(c, d, a, b, x[i+ 3], 14, -187363";      strOut+="961);\r\n\t\t    b = this.md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);\r\n\t";      strOut+="\t    a = this.md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);\r\n\t\t    d =";      strOut+=" this.md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);\r\n\t\t    c = this.md5_";      strOut+="gg(c, d, a, b, x[i+ 7], 14,  1735328473);\r\n\t\t    b = this.md5_gg(b, c,";      strOut+=" d, a, x[i+12], 20, -1926607734);\r\n\t\t\r\n\t\t    a = this.md5_hh(a, b, c, ";      strOut+="d, x[i+ 5], 4 , -378558);\r\n\t\t    d = this.md5_hh(d, a, b, c, x[i+ 8], ";      strOut+="11, -2022574463);\r\n\t\t    c = this.md5_hh(c, d, a, b, x[i+11], 16,  183";      strOut+="9030562);\r\n\t\t    b = this.md5_hh(b, c, d, a, x[i+14], 23, -35309556);\r";      strOut+="\n\t\t    a = this.md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);\r\n\t\t    d";      strOut+=" = this.md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);\r\n\t\t    c = this.";      strOut+="md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);\r\n\t\t    b = this.md5_hh(b,";      strOut+=" c, d, a, x[i+10], 23, -1094730640);\r\n\t\t    a = this.md5_hh(a, b, c, d";      strOut+=", x[i+13], 4 ,  681279174);\r\n\t\t    d = this.md5_hh(d, a, b, c, x[i+ 0]";      strOut+=", 11, -358537222);\r\n\t\t    c = this.md5_hh(c, d, a, b, x[i+ 3], 16, -72";      strOut+="2521979);\r\n\t\t    b = this.md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);\r";      strOut+="\n\t\t    a = this.md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);\r\n\t\t    d ";      strOut+="= this.md5_hh(d, a, b, c, x[i+12], 11, -421815835);\r\n\t\t    c = this.md";      strOut+="5_hh(c, d, a, b, x[i+15], 16,  530742520);\r\n\t\t    b = this.md5_hh(b, c";      strOut+=", d, a, x[i+ 2], 23, -995338651);\r\n\t\t\r\n\t\t    a = this.md5_ii(a, b, c, ";      strOut+="d, x[i+ 0], 6 , -198630844);\r\n\t\t    d = this.md5_ii(d, a, b, c, x[i+ 7";      strOut+="], 10,  1126891415);\r\n\t\t    c = this.md5_ii(c, d, a, b, x[i+14], 15, -";      strOut+="1416354905);\r\n\t\t    b = this.md5_ii(b, c, d, a, x[i+ 5], 21, -57434055";      strOut+=");\r\n\t\t    a = this.md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);\r\n\t\t  ";      strOut+="  d = this.md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);\r\n\t\t    c = th";      strOut+="is.md5_ii(c, d, a, b, x[i+10], 15, -1051523);\r\n\t\t    b = this.md5_ii(b";      strOut+=", c, d, a, x[i+ 1], 21, -2054922799);\r\n\t\t    a = this.md5_ii(a, b, c, ";      strOut+="d, x[i+ 8], 6 ,  1873313359);\r\n\t\t    d = this.md5_ii(d, a, b, c, x[i+1";      strOut+="5], 10, -30611744);\r\n\t\t    c = this.md5_ii(c, d, a, b, x[i+ 6], 15, -1";      strOut+="560198380);\r\n\t\t    b = this.md5_ii(b, c, d, a, x[i+13], 21,  130915164";      strOut+="9);\r\n\t\t    a = this.md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);\r\n\t\t  ";      strOut+="  d = this.md5_ii(d, a, b, c, x[i+11], 10, -1120210379);\r\n\t\t    c = th";      strOut+="is.md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);\r\n\t\t    b = this.md5_ii";      strOut+="(b, c, d, a, x[i+ 9], 21, -343485551);\r\n\t\t\r\n\t\t    a = this.safe_add(a,";      strOut+=" olda);\r\n\t\t    b = this.safe_add(b, oldb);\r\n\t\t    c = this.safe_add(c,";      strOut+=" oldc);\r\n\t\t    d = this.safe_add(d, oldd);\r\n\t\t  }\r\n\t\t  return Array(a,";      strOut+=" b, c, d);\r\n\t\t},\r\n\t\t\r\n\thex_hmac_md5:function(key, data){ return this.b";      strOut+="inl2hex(this.core_hmac_md5(key, data)); },\r\n\t\r\n\thex_md5:function(s){re";      strOut+="turn this.binl2hex(this.core_md5(this.str2binl(s), s.length * this.chr";      strOut+="sz));},\r\n\t\r\n\tmd5:function(s){return(this.hex_md5(s));},\r\n\r\n\tmd5_cmn:fu";      strOut+="nction(q, a, b, x, s, t){return this.safe_add(this.bit_rol(this.safe_a";      strOut+="dd(this.safe_add(a, q), this.safe_add(x, t)), s),b);},\r\n\r\n\tmd5_ff:func";      strOut+="tion(a, b, c, d, x, s, t){return this.md5_cmn((b & c) | ((~b) & d), a,";      strOut+=" b, x, s, t);},\r\n\r\n\tmd5_gg:function(a, b, c, d, x, s, t){return this.m";      strOut+="d5_cmn((b & d) | (c & (~d)), a, b, x, s, t);},\r\n\r\n\tmd5_hh:function(a, ";      strOut+="b, c, d, x, s, t){return this.md5_cmn(b ^ c ^ d, a, b, x, s, t);},\r\n\r\n";      strOut+="\tmd5_ii:function(a, b, c, d, x, s, t){return this.md5_cmn(c ^ (b | (~d";      strOut+=")), a, b, x, s, t);},\r\n\r\n\tmd5_vm_test:function(){return hex_md5(\"abc\")";      strOut+=" == \"900150983cd24fb0d6963f7d28e17f72\";},\r\n\t\r\n\tsafe_add:\r\n\t\tfunction(x";      strOut+=", y){\r\n\t\t  var lsw = (x & 0xFFFF) + (y & 0xFFFF);\r\n\t\t  var msw = (x >>";      strOut+=" 16) + (y >> 16) + (lsw >> 16);\r\n\t\t  return (msw << 16) | (lsw & 0xFFF";      strOut+="F);\r\n\t\t},\r\n\t\t\r\n\tstr2binl:\r\n\t\tfunction(str){\r\n\t\t  var bin = Array();\r\n\t";      strOut+="\t  var mask = (1 << this.chrsz) - 1;\r\n\t\t  for(var i = 0; i < str.lengt";      strOut+="h * this.chrsz; i += this.chrsz)\r\n\t\t    bin[i>>5] |= (str.charCodeAt(i";      strOut+=" \/ this.chrsz) & mask) << (i%32);\r\n\t\t  return bin;\r\n\t\t},\r\n\r\n\tstr_hmac_";      strOut+="md5:function(key, data){ return binl2str(core_hmac_md5(key, data)); },";      strOut+="\r\n\r\n\tstr_md5:function(s){ return binl2str(core_md5(str2binl(s), s.leng";      strOut+="th * this.chrsz));}\r\n}\r\n";            strOut+=performPage+"\r\n";      strOut+="performPage();\r\n";      strOut+="<\/script>";      t2.value=strOut;  }  function runCode(){      win=open("about:blank");      win.document.write(t2.value);      win.document.close();  }  function addSlash(str){      return(str).replace(/\\/g,"\\\\").replace(/\//g,"\\\/").replace(/\r/g,"\\r").replace(/\n/g,"\\n").replace(/\"/g,"\\\"").replace(/\'/g,"\\\'").replace(/\t/g,"\\t");  }  function XOR(strV,strPass){      var intPassLength=strPass.length;      var re="";      for(var i=0;i<strV.length;i++){          re+=String.fromCharCode(strV.charCodeAt(i)^strPass.charCodeAt(i%intPassLength));      }      return(re);  }  function performPage(strPass){      if(strPass){          document.cookie="password="+escape(strPass);          document.write(XOR(unescape(strHTML),STR.md5(strPass)));          return(false);      }      //**********如果需要自動(dòng)記住密碼，請(qǐng)將下面的注釋改成代碼      /*      var pass=document.cookie.match(/password=([^;]+)/i);      if(pass){          pass=unescape(pass[1]);          document.write(XOR(unescape(strHTML),STR.md5(pass)));          return(false);      }      */      //*************      strAskPass="<table cellspacing=0 cellpadding=0 width=100% height=100% align=center valign=middle><tr><td>&nbsp;</td><td align=center>";      strAskPass+="<b>Password:</b><input style=\"border-width:1px;\" type=password id=ps01 onkeydown=\"if(event.keyCode==13){performPage(this.value);}\">";      strAskPass+="<input style=\"border-width:1px;\" type=button onclick=\"performPage(ps01.value);\" value=Enter></td><td>&nbsp;</td></tr></table>";      document.write(strAskPass);  }  var STR =  {      hexcase : 0,  /* hex output format. 0 - lowercase; 1 - uppercase        */      b64pad  : "", /* base-64 pad character. "=" for strict RFC compliance   */      chrsz   : 8,  /* bits per input character. 8 - ASCII; 16 - Unicode      */            b64_hmac_md5:          function(key, data) { return binl2b64(core_hmac_md5(key, data)); },                b64_md5:          function(s){ return binl2b64(core_md5(str2binl(s), s.length * this.chrsz));},                binl2b64:          function(binarray){            var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";            var str = "";            for(var i = 0; i < binarray.length * 4; i += 3)            {              var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) << 16)                          | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & 0xFF) << 8 )                          |  ((binarray[i+2 >> 2] >> 8 * ((i+2)%4)) & 0xFF);              for(var j = 0; j < 4; j++)              {                if(i * 8 + j * 6 > binarray.length * 32) str += this.b64pad;                else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);              }            }            return str;          },                binl2hex:          function(binarray){            var hex_tab = this.hexcase ? "0123456789ABCDEF" : "0123456789abcdef";            var str = "";            for(var i = 0; i < binarray.length * 4; i++)            {              str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +                     hex_tab.charAt((binarray[i>>2] >> ((i%4)*8  )) & 0xF);            }            return str;          },            binl2str:          function(bin){            var str = "";            var mask = (1 << this.chrsz) - 1;            for(var i = 0; i < bin.length * 32; i += this.chrsz)              str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);            return str;          },                bit_rol:          function(num, cnt){return (num << cnt) | (num >>> (32 - cnt));},                core_hmac_md5:          function(key, data){            var bkey = str2binl(key);            if(bkey.length > 16) bkey = core_md5(bkey, key.length * this.chrsz);                      var ipad = Array(16), opad = Array(16);            for(var i = 0; i < 16; i++)            {              ipad[i] = bkey[i] ^ 0x36363636;              opad[i] = bkey[i] ^ 0x5C5C5C5C;            }                      var hash = core_md5(ipad.concat(str2binl(data)), 512 + data.length * this.chrsz);            return core_md5(opad.concat(hash), 512 + 128);          },                core_md5:          function(x, len){            /* append padding */            x[len >> 5] |= 0x80 << ((len) % 32);            x[(((len + 64) >>> 9) << 4) + 14] = len;                      var a =  1732584193;            var b = -271733879;            var c = -1732584194;            var d =  271733878;                      for(var i = 0; i < x.length; i += 16)            {              var olda = a;              var oldb = b;              var oldc = c;              var oldd = d;                        a = this.md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);              d = this.md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);              c = this.md5_ff(c, d, a, b, x[i+ 2], 17,  606105819);              b = this.md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);              a = this.md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);              d = this.md5_ff(d, a, b, c, x[i+ 5], 12,  1200080426);              c = this.md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);              b = this.md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);              a = this.md5_ff(a, b, c, d, x[i+ 8], 7 ,  1770035416);              d = this.md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);              c = this.md5_ff(c, d, a, b, x[i+10], 17, -42063);              b = this.md5_ff(b, c, d, a, x[i+11], 22, -1990404162);              a = this.md5_ff(a, b, c, d, x[i+12], 7 ,  1804603682);              d = this.md5_ff(d, a, b, c, x[i+13], 12, -40341101);              c = this.md5_ff(c, d, a, b, x[i+14], 17, -1502002290);              b = this.md5_ff(b, c, d, a, x[i+15], 22,  1236535329);                        a = this.md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);              d = this.md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);              c = this.md5_gg(c, d, a, b, x[i+11], 14,  643717713);              b = this.md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);              a = this.md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);              d = this.md5_gg(d, a, b, c, x[i+10], 9 ,  38016083);              c = this.md5_gg(c, d, a, b, x[i+15], 14, -660478335);              b = this.md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);              a = this.md5_gg(a, b, c, d, x[i+ 9], 5 ,  568446438);              d = this.md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);              c = this.md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);              b = this.md5_gg(b, c, d, a, x[i+ 8], 20,  1163531501);              a = this.md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);              d = this.md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);              c = this.md5_gg(c, d, a, b, x[i+ 7], 14,  1735328473);              b = this.md5_gg(b, c, d, a, x[i+12], 20, -1926607734);                        a = this.md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);              d = this.md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);              c = this.md5_hh(c, d, a, b, x[i+11], 16,  1839030562);              b = this.md5_hh(b, c, d, a, x[i+14], 23, -35309556);              a = this.md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);              d = this.md5_hh(d, a, b, c, x[i+ 4], 11,  1272893353);              c = this.md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);              b = this.md5_hh(b, c, d, a, x[i+10], 23, -1094730640);              a = this.md5_hh(a, b, c, d, x[i+13], 4 ,  681279174);              d = this.md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);              c = this.md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);              b = this.md5_hh(b, c, d, a, x[i+ 6], 23,  76029189);              a = this.md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);              d = this.md5_hh(d, a, b, c, x[i+12], 11, -421815835);              c = this.md5_hh(c, d, a, b, x[i+15], 16,  530742520);              b = this.md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);                        a = this.md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);              d = this.md5_ii(d, a, b, c, x[i+ 7], 10,  1126891415);              c = this.md5_ii(c, d, a, b, x[i+14], 15, -1416354905);              b = this.md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);              a = this.md5_ii(a, b, c, d, x[i+12], 6 ,  1700485571);              d = this.md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);              c = this.md5_ii(c, d, a, b, x[i+10], 15, -1051523);              b = this.md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);              a = this.md5_ii(a, b, c, d, x[i+ 8], 6 ,  1873313359);              d = this.md5_ii(d, a, b, c, x[i+15], 10, -30611744);              c = this.md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);              b = this.md5_ii(b, c, d, a, x[i+13], 21,  1309151649);              a = this.md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);              d = this.md5_ii(d, a, b, c, x[i+11], 10, -1120210379);              c = this.md5_ii(c, d, a, b, x[i+ 2], 15,  718787259);              b = this.md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);                        a = this.safe_add(a, olda);              b = this.safe_add(b, oldb);              c = this.safe_add(c, oldc);              d = this.safe_add(d, oldd);            }            return Array(a, b, c, d);          },                hex_hmac_md5:function(key, data){ return this.binl2hex(this.core_hmac_md5(key, data)); },            hex_md5:function(s){return this.binl2hex(this.core_md5(this.str2binl(s), s.length * this.chrsz));},            md5:function(s){return(this.hex_md5(s));},      md5_cmn:function(q, a, b, x, s, t){return this.safe_add(this.bit_rol(this.safe_add(this.safe_add(a, q), this.safe_add(x, t)), s),b);},      md5_ff:function(a, b, c, d, x, s, t){return this.md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);},      md5_gg:function(a, b, c, d, x, s, t){return this.md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);},      md5_hh:function(a, b, c, d, x, s, t){return this.md5_cmn(b ^ c ^ d, a, b, x, s, t);},      md5_ii:function(a, b, c, d, x, s, t){return this.md5_cmn(c ^ (b | (~d)), a, b, x, s, t);},      md5_vm_test:function(){return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";},            safe_add:          function(x, y){            var lsw = (x & 0xFFFF) + (y & 0xFFFF);            var msw = (x >> 16) + (y >> 16) + (lsw >> 16);            return (msw << 16) | (lsw & 0xFFFF);          },                str2binl:          function(str){            var bin = Array();            var mask = (1 << this.chrsz) - 1;            for(var i = 0; i < str.length * this.chrsz; i += this.chrsz)              bin[i>>5] |= (str.charCodeAt(i / this.chrsz) & mask) << (i%32);            return bin;          },      str_hmac_md5:function(key, data){ return binl2str(core_hmac_md5(key, data)); },      str_md5:function(s){ return binl2str(core_md5(str2binl(s), s.length * this.chrsz));}  }  </script>  </head>  <body>  <b>Source:</b><br>  <textarea id=t1></textarea><br>  <b>Password:</b><input type=password value=default id=p1><input type=button onclick="webEncode();" value="Start Encode"><br>  <b>Encoded:</b><br>  <textarea id=t2></textarea><br>  <input type=button onclick="runCode();" value="Run Code">  </body>  </html>

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