静态网页加密

日期：03-10 来源：blueidea| 作者：

前两天看见有人问静态网页加密问题，就写了这个代码

思路：

加密时：先把用户的密钥A用md5加密为B,然后用B异或源文件S0得到目标文件S1,把S1存入js变量中。

解密时：询问密钥，然后操作同加密。

因为用了md5，个人认为没有密钥的时候是无法破解的（暴力除外）

大家试用一下哈哈：

<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>rnstrHTML="";rn";
for(var i=0;i+70<strSource.length;i+=70){
  strOut+="strHTML+=""+addSlash(strSource.substring(i,i+70))+"";rn";
}
strOut+="strHTML+=""+addSlash(strSource.substring(i,strSource.length))+"";rn";
strOut+=XOR+"rn";

//below code load the STR object
strOut+="var STR =rn{rnthexcase : 0, /* hex output format. 0 - lowercase; 1 - ";
strOut+="uppercase        */rntb64pad : "", /* base-64 pad character. "=" for ";
strOut+="strict RFC compliance   */rntchrsz   : 8, /* bits per input character";
strOut+=". 8 - ASCII; 16 - Unicode      */rntrntb64_hmac_md5:rnttfunction(key, ";
strOut+="data) { return binl2b64(core_hmac_md5(key, data)); },rnttrntb64_md5:rn";
strOut+="ttfunction(s){ return binl2b64(core_md5(str2binl(s), s.length * this.c";
strOut+="hrsz));},rnttrntbinl2b64:rnttfunction(binarray){rntt var tab = "ABCDE";
strOut+="FGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";rntt var";
strOut+=" str = "";rntt for(var i = 0; i < binarray.length * 4; i += 3)rntt {";
strOut+="rntt    var triplet = (((binarray[i   >> 2] >> 8 * ( i   %4)) & 0xFF) ";
strOut+="<< 16)rntt                | (((binarray[i+1 >> 2] >> 8 * ((i+1)%4)) & ";
strOut+="0xFF) << 8 )rntt                | ((binarray[i+2 >> 2] >> 8 * ((i+2)%";
strOut+="4)) & 0xFF);rntt    for(var j = 0; j < 4; j++)rntt    {rntt      if(i ";
strOut+="* 8 + j * 6 > binarray.length * 32) str += this.b64pad;rntt      else ";
strOut+="str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);rntt    }rntt }rntt r";
strOut+="eturn str;rntt},rnttrntbinl2hex:rnttfunction(binarray){rntt var hex_t";
strOut+="ab = this.hexcase ? "0123456789ABCDEF" : "0123456789abcdef";rntt var ";
strOut+="str = "";rntt for(var i = 0; i < binarray.length * 4; i++)rntt {rntt";
strOut+="    str += hex_tab.charAt((binarray[i>>2] >> ((i%4)*8+4)) & 0xF) +rntt";
strOut+="           hex_tab.charAt((binarray[i>>2] >> ((i%4)*8 )) & 0xF);rntt ";
strOut+=" }rntt return str;rntt},rntrntbinl2str:rnttfunction(bin){rntt var st";
strOut+="r = "";rntt var mask = (1 << this.chrsz) - 1;rntt for(var i = 0; i <";
strOut+=" bin.length * 32; i += this.chrsz)rntt    str += String.fromCharCode((";
strOut+="bin[i>>5] >>> (i % 32)) & mask);rntt return str;rntt},rnttrntbit_rol:";
strOut+="rnttfunction(num, cnt){return (num << cnt) | (num >>> (32 - cnt));},rn";
strOut+="ttrntcore_hmac_md5:rnttfunction(key, data){rntt var bkey = str2binl(k";
strOut+="ey);rntt if(bkey.length > 16) bkey = core_md5(bkey, key.length * this";
strOut+=".chrsz);rnttrntt var ipad = Array(16), opad = Array(16);rntt for(var";
strOut+=" i = 0; i < 16; i++)rntt {rntt    ipad[i] = bkey[i] ^ 0x36363636;rntt";
strOut+="    opad[i] = bkey[i] ^ 0x5C5C5C5C;rntt }rnttrntt var hash = core_md";
strOut+="5(ipad.concat(str2binl(data)), 512 + data.length * this.chrsz);rntt r";
strOut+="eturn core_md5(opad.concat(hash), 512 + 128);rntt},rnttrntcore_md5:rnt";
strOut+="tfunction(x, len){rntt /* append padding */rntt x[len >> 5] |= 0x80 ";
strOut+="<< ((len) % 32);rntt x[(((len + 64) >>> 9) << 4) + 14] = len;rnttrntt";
strOut+=" var a = 1732584193;rntt var b = -271733879;rntt var c = -17325841";
strOut+="94;rntt var d = 271733878;rnttrntt for(var i = 0; i < x.length; i +";
strOut+="= 16)rntt {rntt    var olda = a;rntt    var oldb = b;rntt    var oldc";
strOut+=" = c;rntt    var oldd = d;rnttrntt    a = this.md5_ff(a, b, c, d, x[i+";
strOut+=" 0], 7 , -680876936);rntt    d = this.md5_ff(d, a, b, c, x[i+ 1], 12, ";
strOut+="-389564586);rntt    c = this.md5_ff(c, d, a, b, x[i+ 2], 17, 60610581";
strOut+="9);rntt    b = this.md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);rntt ";
strOut+="   a = this.md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);rntt    d = th";
strOut+="is.md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);rntt    c = this.md5_f";
strOut+="f(c, d, a, b, x[i+ 6], 17, -1473231341);rntt    b = this.md5_ff(b, c, ";
strOut+="d, a, x[i+ 7], 22, -45705983);rntt    a = this.md5_ff(a, b, c, d, x[i+";
strOut+=" 8], 7 , 1770035416);rntt    d = this.md5_ff(d, a, b, c, x[i+ 9], 12,";
strOut+=" -1958414417);rntt    c = this.md5_ff(c, d, a, b, x[i+10], 17, -42063)";
strOut+=";rntt    b = this.md5_ff(b, c, d, a, x[i+11], 22, -1990404162);rntt   ";
strOut+=" a = this.md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);rntt    d = thi";
strOut+="s.md5_ff(d, a, b, c, x[i+13], 12, -40341101);rntt    c = this.md5_ff(c";
strOut+=", d, a, b, x[i+14], 17, -1502002290);rntt    b = this.md5_ff(b, c, d, ";
strOut+="a, x[i+15], 22, 1236535329);rnttrntt    a = this.md5_gg(a, b, c, d, x";
strOut+="[i+ 1], 5 , -165796510);rntt    d = this.md5_gg(d, a, b, c, x[i+ 6], 9";
strOut+=" , -1069501632);rntt    c = this.md5_gg(c, d, a, b, x[i+11], 14, 6437";
strOut+="17713);rntt    b = this.md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);rn";
strOut+="tt    a = this.md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);rntt    d =";
strOut+=" this.md5_gg(d, a, b, c, x[i+10], 9 , 38016083);rntt    c = this.md5_";
strOut+="gg(c, d, a, b, x[i+15], 14, -660478335);rntt    b = this.md5_gg(b, c, ";
strOut+="d, a, x[i+ 4], 20, -405537848);rntt    a = this.md5_gg(a, b, c, d, x[i";
strOut+="+ 9], 5 , 568446438);rntt    d = this.md5_gg(d, a, b, c, x[i+14], 9 ,";
strOut+=" -1019803690);rntt    c = this.md5_gg(c, d, a, b, x[i+ 3], 14, -187363";
strOut+="961);rntt    b = this.md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);rnt";
strOut+="t    a = this.md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);rntt    d =";
strOut+=" this.md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);rntt    c = this.md5_";
strOut+="gg(c, d, a, b, x[i+ 7], 14, 1735328473);rntt    b = this.md5_gg(b, c,";
strOut+=" d, a, x[i+12], 20, -1926607734);rnttrntt    a = this.md5_hh(a, b, c, ";
strOut+="d, x[i+ 5], 4 , -378558);rntt    d = this.md5_hh(d, a, b, c, x[i+ 8], ";
strOut+="11, -2022574463);rntt    c = this.md5_hh(c, d, a, b, x[i+11], 16, 183";
strOut+="9030562);rntt    b = this.md5_hh(b, c, d, a, x[i+14], 23, -35309556);r";
strOut+="ntt    a = this.md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);rntt    d";
strOut+=" = this.md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);rntt    c = this.";
strOut+="md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);rntt    b = this.md5_hh(b,";
strOut+=" c, d, a, x[i+10], 23, -1094730640);rntt    a = this.md5_hh(a, b, c, d";
strOut+=", x[i+13], 4 , 681279174);rntt    d = this.md5_hh(d, a, b, c, x[i+ 0]";
strOut+=", 11, -358537222);rntt    c = this.md5_hh(c, d, a, b, x[i+ 3], 16, -72";
strOut+="2521979);rntt    b = this.md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);r";
strOut+="ntt    a = this.md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);rntt    d ";
strOut+="= this.md5_hh(d, a, b, c, x[i+12], 11, -421815835);rntt    c = this.md";
strOut+="5_hh(c, d, a, b, x[i+15], 16, 530742520);rntt    b = this.md5_hh(b, c";
strOut+=", d, a, x[i+ 2], 23, -995338651);rnttrntt    a = this.md5_ii(a, b, c, ";
strOut+="d, x[i+ 0], 6 , -198630844);rntt    d = this.md5_ii(d, a, b, c, x[i+ 7";
strOut+="], 10, 1126891415);rntt    c = this.md5_ii(c, d, a, b, x[i+14], 15, -";
strOut+="1416354905);rntt    b = this.md5_ii(b, c, d, a, x[i+ 5], 21, -57434055";
strOut+=");rntt    a = this.md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);rntt ";
strOut+=" d = this.md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);rntt    c = th";
strOut+="is.md5_ii(c, d, a, b, x[i+10], 15, -1051523);rntt    b = this.md5_ii(b";
strOut+=", c, d, a, x[i+ 1], 21, -2054922799);rntt    a = this.md5_ii(a, b, c, ";
strOut+="d, x[i+ 8], 6 , 1873313359);rntt    d = this.md5_ii(d, a, b, c, x[i+1";
strOut+="5], 10, -30611744);rntt    c = this.md5_ii(c, d, a, b, x[i+ 6], 15, -1";
strOut+="560198380);rntt    b = this.md5_ii(b, c, d, a, x[i+13], 21, 130915164";
strOut+="9);rntt    a = this.md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);rntt ";
strOut+=" d = this.md5_ii(d, a, b, c, x[i+11], 10, -1120210379);rntt    c = th";
strOut+="is.md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);rntt    b = this.md5_ii";
strOut+="(b, c, d, a, x[i+ 9], 21, -343485551);rnttrntt    a = this.safe_add(a,";
strOut+=" olda);rntt    b = this.safe_add(b, oldb);rntt    c = this.safe_add(c,";
strOut+=" oldc);rntt    d = this.safe_add(d, oldd);rntt }rntt return Array(a,";
strOut+=" b, c, d);rntt},rnttrnthex_hmac_md5:function(key, data){ return this.b";
strOut+="inl2hex(this.core_hmac_md5(key, data)); },rntrnthex_md5:function(s){re";
strOut+="turn this.binl2hex(this.core_md5(this.str2binl(s), s.length * this.chr";
strOut+="sz));},rntrntmd5:function(s){return(this.hex_md5(s));},rnrntmd5_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);},rnrntmd5_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);},rnrntmd5_gg:function(a, b, c, d, x, s, t){return this.m";
strOut+="d5_cmn((b & d) | (c & (~d)), a, b, x, s, t);},rnrntmd5_hh:function(a, ";
strOut+="b, c, d, x, s, t){return this.md5_cmn(b ^ c ^ d, a, b, x, s, t);},rnrn";
strOut+="tmd5_ii:function(a, b, c, d, x, s, t){return this.md5_cmn(c ^ (b | (~d";
strOut+=")), a, b, x, s, t);},rnrntmd5_vm_test:function(){return hex_md5("abc")";
strOut+=" == "900150983cd24fb0d6963f7d28e17f72";},rntrntsafe_add:rnttfunction(x";
strOut+=", y){rntt var lsw = (x & 0xFFFF) + (y & 0xFFFF);rntt var msw = (x >>";
strOut+=" 16) + (y >> 16) + (lsw >> 16);rntt return (msw << 16) | (lsw & 0xFFF";
strOut+="F);rntt},rnttrntstr2binl:rnttfunction(str){rntt var bin = Array();rnt";
strOut+="t var mask = (1 << this.chrsz) - 1;rntt for(var i = 0; i < str.lengt";
strOut+="h * this.chrsz; i += this.chrsz)rntt    bin[i>>5] |= (str.charCodeAt(i";
strOut+=" / this.chrsz) & mask) << (i%32);rntt return bin;rntt},rnrntstr_hmac_";
strOut+="md5:function(key, data){ return binl2str(core_hmac_md5(key, data)); },";
strOut+="rnrntstr_md5:function(s){ return binl2str(core_md5(str2binl(s), s.leng";
strOut+="th * this.chrsz));}rn}rn";

strOut+=performPage+"rn";
strOut+="performPage();rn";
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);
}
//**********如果需要自动记住密码，请将下面的注释改成代码
/*
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> </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> </td></tr></table>";
document.write(strAskPass);
}

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>

提示：你可先修改部分代码，再按运行

本文引用地址：http://www.cnwebshow.com//edu/article_7182.html

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