当前位置: 首页 > 图文教程 > 网络编程 > Javascript > 用dhtml做了一个密码管理器

Javascript
javascript 新浪背投广告实现代码
javascript 选择文件夹对话框(web)
JS 自动完成 AutoComplete(Ajax 查询)
javascript scrollLeft,scrollWidth,clientWidth,offsetWidth 完全详解
jQuery 插件开发 其实很简单
最简单的jQuery程序 入门者学习
javascript 读取xml,写入xml 实现代码
JQuery 实现的页面滚动时浮动窗口控件
javascript 动态加载 css 方法总结
javascript 表格左右收缩
jqurey 学习笔记 传智博客佟老师附详细注释
javascript dom 操作详解 js加强
JS 动态添加列表框项效果代码
Javascript 事件流和事件绑定
Google Map Api和GOOGLE Search Api整合实现代码
9个javascript语法高亮插件 推荐
Prototype String对象 学习
javascript ImgBox透明遮罩层背景图片展示
javascript FAQ函数(提问+回复)
jQuery TextBox自动完成条

No. « 222 223 224 225 »

技术文章搜索

关键字

Javascript 中的 用dhtml做了一个密码管理器

出处:互联网   整理: 软晨网（RuanChen.com）   发布: 2009-08-10   浏览: 169 ::
收藏到网摘: n/a

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML>
<HEAD>
<TITLE> EMU'S PASSWORD MANAGER </TITLE>
<META NAME="Generator" CONTENT="EditPlus">
<META NAME="Author" CONTENT="emu(ston)">
<META NAME="Keywords" CONTENT="password">
<META NAME="Description" CONTENT="An hyper text application which can help you manage your passwords">
<SCRIPT LANGUAGE="JavaScript">
<!--
/*--------------------------------- md5 function ----------------------------------*/

function array(n) {
  for(i=0;i<n;i++) this[i]=0;
  this.length=n;
}

function integer(n) { return n%(0xffffffff+1); }

function shr(a,b) {
  a=integer(a);
  b=integer(b);
  if (a-0x80000000>=0) {
    a=a%0x80000000;
    a>>=b;
    a+=0x40000000>>(b-1);
  } else
    a>>=b;
  return a;
}

function shl1(a) {
  a=a%0x80000000;
  if (a&0x40000000==0x40000000)
  {
    a-=0x40000000; 
    a*=2;
    a+=0x80000000;
  } else
    a*=2;
  return a;
}

function shl(a,b) {
  a=integer(a);
  b=integer(b);
  for (var i=0;i<b;i++) a=shl1(a);
  return a;
}

function and(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return ((t1&t2)+0x80000000);
    else
      return (t1&b);
  else
    if (t2>=0)
      return (a&t2);
    else
      return (a&b); 
}

function or(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return ((t1|t2)+0x80000000);
    else
      return ((t1|b)+0x80000000);
  else
    if (t2>=0)
      return ((a|t2)+0x80000000);
    else
      return (a|b); 
}

function xor(a,b) {
  a=integer(a);
  b=integer(b);
  var t1=(a-0x80000000);
  var t2=(b-0x80000000);
  if (t1>=0)
    if (t2>=0)
      return (t1^t2);
    else
      return ((t1^b)+0x80000000);
  else
    if (t2>=0)
      return ((a^t2)+0x80000000);
    else
      return (a^b); 
}

function not(a) {
  a=integer(a);
  return (0xffffffff-a);
}

    var state = new array(4);
    var count = new array(2);
 count[0] = 0;
 count[1] = 0;                    
    var buffer = new array(64);
    var transformBuffer = new array(16);
    var digestBits = new array(16);

    var S11 = 7;
    var S12 = 12;
    var S13 = 17;
    var S14 = 22;
    var S21 = 5;
    var S22 = 9;
    var S23 = 14;
    var S24 = 20;
    var S31 = 4;
    var S32 = 11;
    var S33 = 16;
    var S34 = 23;
    var S41 = 6;
    var S42 = 10;
    var S43 = 15;
    var S44 = 21;

    function F(x,y,z) {
 return or(and(x,y),and(not(x),z));
    }

    function G(x,y,z) {
 return or(and(x,z),and(y,not(z)));
    }

    function H(x,y,z) {
 return xor(xor(x,y),z);
    }

    function I(x,y,z) {
 return xor(y ,or(x , not(z)));
    }

    function rotateLeft(a,n) {
 return or(shl(a, n),(shr(a,(32 - n))));
    }

    function FF(a,b,c,d,x,s,ac) {
        a = a+F(b, c, d) + x + ac;
 a = rotateLeft(a, s);
 a = a+b;
 return a;
    }

    function GG(a,b,c,d,x,s,ac) {
 a = a+G(b, c, d) +x + ac;
 a = rotateLeft(a, s);
 a = a+b;
 return a;
    }

    function HH(a,b,c,d,x,s,ac) {
 a = a+H(b, c, d) + x + ac;
 a = rotateLeft(a, s);
 a = a+b;
 return a;
    }

    function II(a,b,c,d,x,s,ac) {
 a = a+I(b, c, d) + x + ac;
 a = rotateLeft(a, s);
 a = a+b;
 return a;
    }

    function transform(buf,offset) {
 var a=0, b=0, c=0, d=0;
 var x = transformBuffer;
 
 a = state[0];
 b = state[1];
 c = state[2];
 d = state[3];
 
 for (i = 0; i < 16; i++) {
     x[i] = and(buf[i*4+offset],0xff);
     for (j = 1; j < 4; j++) {
  x[i]+=shl(and(buf[i*4+j+offset] ,0xff), j * 8);
     }
 }

 /* Round 1 */
 a = FF ( a, b, c, d, x[ 0], S11, 0xd76aa478); /* 1 */
 d = FF ( d, a, b, c, x[ 1], S12, 0xe8c7b756); /* 2 */
 c = FF ( c, d, a, b, x[ 2], S13, 0x242070db); /* 3 */
 b = FF ( b, c, d, a, x[ 3], S14, 0xc1bdceee); /* 4 */
 a = FF ( a, b, c, d, x[ 4], S11, 0xf57c0faf); /* 5 */
 d = FF ( d, a, b, c, x[ 5], S12, 0x4787c62a); /* 6 */
 c = FF ( c, d, a, b, x[ 6], S13, 0xa8304613); /* 7 */
 b = FF ( b, c, d, a, x[ 7], S14, 0xfd469501); /* 8 */
 a = FF ( a, b, c, d, x[ 8], S11, 0x698098d8); /* 9 */
 d = FF ( d, a, b, c, x[ 9], S12, 0x8b44f7af); /* 10 */
 c = FF ( c, d, a, b, x[10], S13, 0xffff5bb1); /* 11 */
 b = FF ( b, c, d, a, x[11], S14, 0x895cd7be); /* 12 */
 a = FF ( a, b, c, d, x[12], S11, 0x6b901122); /* 13 */
 d = FF ( d, a, b, c, x[13], S12, 0xfd987193); /* 14 */
 c = FF ( c, d, a, b, x[14], S13, 0xa679438e); /* 15 */
 b = FF ( b, c, d, a, x[15], S14, 0x49b40821); /* 16 */

 /* Round 2 */
 a = GG ( a, b, c, d, x[ 1], S21, 0xf61e2562); /* 17 */
 d = GG ( d, a, b, c, x[ 6], S22, 0xc040b340); /* 18 */
 c = GG ( c, d, a, b, x[11], S23, 0x265e5a51); /* 19 */
 b = GG ( b, c, d, a, x[ 0], S24, 0xe9b6c7aa); /* 20 */
 a = GG ( a, b, c, d, x[ 5], S21, 0xd62f105d); /* 21 */
 d = GG ( d, a, b, c, x[10], S22,  0x2441453); /* 22 */
 c = GG ( c, d, a, b, x[15], S23, 0xd8a1e681); /* 23 */
 b = GG ( b, c, d, a, x[ 4], S24, 0xe7d3fbc8); /* 24 */
 a = GG ( a, b, c, d, x[ 9], S21, 0x21e1cde6); /* 25 */
 d = GG ( d, a, b, c, x[14], S22, 0xc33707d6); /* 26 */
 c = GG ( c, d, a, b, x[ 3], S23, 0xf4d50d87); /* 27 */
 b = GG ( b, c, d, a, x[ 8], S24, 0x455a14ed); /* 28 */
 a = GG ( a, b, c, d, x[13], S21, 0xa9e3e905); /* 29 */
 d = GG ( d, a, b, c, x[ 2], S22, 0xfcefa3f8); /* 30 */
 c = GG ( c, d, a, b, x[ 7], S23, 0x676f02d9); /* 31 */
 b = GG ( b, c, d, a, x[12], S24, 0x8d2a4c8a); /* 32 */

 /* Round 3 */
 a = HH ( a, b, c, d, x[ 5], S31, 0xfffa3942); /* 33 */
 d = HH ( d, a, b, c, x[ 8], S32, 0x8771f681); /* 34 */
 c = HH ( c, d, a, b, x[11], S33, 0x6d9d6122); /* 35 */
 b = HH ( b, c, d, a, x[14], S34, 0xfde5380c); /* 36 */
 a = HH ( a, b, c, d, x[ 1], S31, 0xa4beea44); /* 37 */
 d = HH ( d, a, b, c, x[ 4], S32, 0x4bdecfa9); /* 38 */
 c = HH ( c, d, a, b, x[ 7], S33, 0xf6bb4b60); /* 39 */
 b = HH ( b, c, d, a, x[10], S34, 0xbebfbc70); /* 40 */
 a = HH ( a, b, c, d, x[13], S31, 0x289b7ec6); /* 41 */
 d = HH ( d, a, b, c, x[ 0], S32, 0xeaa127fa); /* 42 */
 c = HH ( c, d, a, b, x[ 3], S33, 0xd4ef3085); /* 43 */
 b = HH ( b, c, d, a, x[ 6], S34,  0x4881d05); /* 44 */
 a = HH ( a, b, c, d, x[ 9], S31, 0xd9d4d039); /* 45 */
 d = HH ( d, a, b, c, x[12], S32, 0xe6db99e5); /* 46 */
 c = HH ( c, d, a, b, x[15], S33, 0x1fa27cf8); /* 47 */
 b = HH ( b, c, d, a, x[ 2], S34, 0xc4ac5665); /* 48 */

 /* Round 4 */
 a = II ( a, b, c, d, x[ 0], S41, 0xf4292244); /* 49 */
 d = II ( d, a, b, c, x[ 7], S42, 0x432aff97); /* 50 */
 c = II ( c, d, a, b, x[14], S43, 0xab9423a7); /* 51 */
 b = II ( b, c, d, a, x[ 5], S44, 0xfc93a039); /* 52 */
 a = II ( a, b, c, d, x[12], S41, 0x655b59c3); /* 53 */
 d = II ( d, a, b, c, x[ 3], S42, 0x8f0ccc92); /* 54 */
 c = II ( c, d, a, b, x[10], S43, 0xffeff47d); /* 55 */
 b = II ( b, c, d, a, x[ 1], S44, 0x85845dd1); /* 56 */
 a = II ( a, b, c, d, x[ 8], S41, 0x6fa87e4f); /* 57 */
 d = II ( d, a, b, c, x[15], S42, 0xfe2ce6e0); /* 58 */
 c = II ( c, d, a, b, x[ 6], S43, 0xa3014314); /* 59 */
 b = II ( b, c, d, a, x[13], S44, 0x4e0811a1); /* 60 */
 a = II ( a, b, c, d, x[ 4], S41, 0xf7537e82); /* 61 */
 d = II ( d, a, b, c, x[11], S42, 0xbd3af235); /* 62 */
 c = II ( c, d, a, b, x[ 2], S43, 0x2ad7d2bb); /* 63 */
 b = II ( b, c, d, a, x[ 9], S44, 0xeb86d391); /* 64 */

 state[0] +=a;
 state[1] +=b;
 state[2] +=c;
 state[3] +=d;

    }


    function init() {
 count[0]=count[1] = 0;
 state[0] = 0x67452301;
 state[1] = 0xefcdab89;
 state[2] = 0x98badcfe;
 state[3] = 0x10325476;
 for (i = 0; i < digestBits.length; i++)
     digestBits[i] = 0;
    }

    function update(b) {
 var index,i;
 
 index = and(shr(count[0],3) , 0x3f);
 if (count[0]<0xffffffff-7)
   count[0] += 8;
        else {
   count[1]++;
   count[0]-=0xffffffff+1;
          count[0]+=8;
        }
 buffer[index] = and(b,0xff);
 if (index  >= 63) {
     transform(buffer, 0);
 }
    }

    function finish() {
 var bits = new array(8);
 var padding;
 var i=0, index=0, padLen=0;

 for (i = 0; i < 4; i++) {
     bits[i] = and(shr(count[0],(i * 8)), 0xff);
 }
        for (i = 0; i < 4; i++) {
     bits[i+4]=and(shr(count[1],(i * 8)), 0xff);
 }
 index = and(shr(count[0], 3) ,0x3f);
 padLen = (index < 56) ? (56 - index) : (120 - index);
 padding = new array(64);
 padding[0] = 0x80;
        for (i=0;i<padLen;i++)
   update(padding[i]);
        for (i=0;i<8;i++)
   update(bits[i]);

 for (i = 0; i < 4; i++) {
     for (j = 0; j < 4; j++) {
  digestBits[i*4+j] = and(shr(state[i], (j * 8)) , 0xff);
     }
 }
    }

/* End of the MD5 algorithm */

function hexa(n) {
 var hexa_h = "0123456789abcdef";
 var hexa_c="";
 var hexa_m=n;
 for (hexa_i=0;hexa_i<8;hexa_i++) {
   hexa_c=hexa_h.charAt(Math.abs(hexa_m)%16)+hexa_c;
   hexa_m=Math.floor(hexa_m/16);
 }
 return hexa_c;
}


var ascii="01234567890123456789012345678901" +
          " !\"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ"+
          "[\\]^_`abcdefghijklmnopqrstuvwxyz{|}~";

function MD5(entree)
{
 var l,s,k,ka,kb,kc,kd;

 init();
 for (k=0;k<entree.length;k++) {
   l=entree.charAt(k);
   update(ascii.lastIndexOf(l));
 }
 finish();
 ka=kb=kc=kd=0;
 for (i=0;i<4;i++) ka+=shl(digestBits[15-i], (i*8));
 for (i=4;i<8;i++) kb+=shl(digestBits[15-i], ((i-4)*8));
 for (i=8;i<12;i++) kc+=shl(digestBits[15-i], ((i-8)*8));
 for (i=12;i<16;i++) kd+=shl(digestBits[15-i], ((i-12)*8));
 s=hexa(kd)+hexa(kc)+hexa(kb)+hexa(ka);
 return s;
}

/*--------------------------------- end of md5 function ----------------------------------*/

/*------------------------------- encrypt/decrypt function -------------------------------*/
String.prototype.xor = function (key){
 if (key==null) key=window.key;
for (var i=0,result="";i<this.length;i++)
 result += String.fromCharCode(this.charCodeAt(i)^key.charCodeAt(i%key.length));
return result;
}
/*--------------------------- end of encrypt/decrypt function ----------------------------*/


var pwd=0,key=0,pwds = new Object(),fso = new ActiveXObject("Scripting.FileSystemObject"),data="",data_md5="",question1="",question2="",question3="";
var key_md5 = "de1b3bc4b324d43d8f730c7ce5884bf2",answerMD5="ba7cbf39b32eab9f5584e59952e16e3d",reminder = unescape("%u39DF%uA7BF%uF672%u87EE%uBAB4%u7920%uC826%u7432%u86CA%uEC92%u5791%u9637%uAB38%uA295%uFA63%u0593%u8D3A%u33A2%u445D%uB6A8%u101B%u4514%uBF19%u651B%u779C%u66DF%u475B%u1923%u33AC%uF171%uDB1F%u22C5");

 

window.onload=function(){
 pwd = prompt("Please enter your access password","");var i=0;
 while (pwd != null && MD5(escape(generateKeyByPwd(pwd)))!=key_md5 &&  i++<3)
  pwd = prompt("Password uncorrect , please enter your access password again","");

 if (pwd == null || MD5(escape(generateKeyByPwd(pwd)))!=key_md5) {
  if (confirm("Do you want to get back your password?")){
   var a1 = prompt("Please answer folowing question:"+question1,"");
   var a2 = prompt("Please answer folowing question:"+question2,"");
   var a3 = prompt("Please answer folowing question:"+question3,"");
   if (answerMD5 != MD5("answers:"+escape(a1+a2+a3))){
    alert("Uncorrect answers. Sorry, you cannot access this password file.");
    return;
   }else{
    key =  reminder.xor(generateKeyByPwd("answer1:"+a1)).xor(generateKeyByPwd("answer2:"+a2)).xor(generateKeyByPwd("answer3:"+a3));
   }
  }else{
   return;
  }
 }else{
  key = generateKeyByPwd(pwd);
 }

 if (data != ""){
  if (MD5(data)==data_md5){
   try{
    execScript(unescape(data).xor());
   }catch(e){
    alert("Data error! Password file maybe destoried!");
   }
  }else{
   alert("Password file maybe destoried!");
  }
 }

 showPwds();

 var btns = document.getElementsByTagName("BUTTON");
 for(var i=0;i<btns.length;i++)btns[i].disabled=false;
}

function showPwds(){
 var table = ["<table align=center width=700 bgcolor=black cellspacing=1 style=font-size:15><tr bgcolor=#CCCCFF><th>Title</th><th>Password</th><th>&nbsp;</th></tr><tbody bgcolor=#FFFFCC align=center>"];
 for (var i in pwds)
  if (pwds[i]){
   table[table.length] = "<tr><td ondblclick='modifyTitle(this)'>"
   table[table.length] = unescape(i).xor()
   table[table.length] = "</td><td ondblclick='modifyPwd(this)'>"
   table[table.length] = unescape(pwds[i]).xor();
   table[table.length] = "</td><td><button onclick=removePwd('";
   table[table.length] = i;
   table[table.length] = "')><FONT COLOR=red>Delete</FONT></button> &nbsp; <button onclick=clipboardData.setData('Text','";
   table[table.length] = unescape(pwds[i]).xor();
   table[table.length] = "');><FONT COLOR=green>Copy</FONT></button></td></tr>";
  }
 table[table.length] = "</tbody></table>"
 content.innerHTML = table.join("");
}

function addPwd(){
 var title = prompt("Please enter new password title","");
 if (!title) return;
 if (pwds[escape(title.xor())]!= null)
 if (!confirm("Title already exist. Do you really want to over write it? ")) return;
 var newPwd = prompt("Please enter new password","");
 pwds[escape(title.xor())] = escape(newPwd.xor());
 storePwds();
 showPwds();
}

function storePwds(){
 var st = [];
 for (var i in pwds)
  if (pwds[i])
   st[st.length] = 'pwds["'+i+'"]="'+pwds[i]+'";';
 st = st.join("");
 st = escape(st.xor());
 var s = fso.OpentextFile("passwordFile.js",2,true);
 s.write("data=\""+st+"\";");
 s.write("data_md5=\""+MD5(st)+"\";");
 s.write('key_md5 = "'+MD5(escape(key))+'";');
 s.write('answerMD5 = "'+answerMD5+'";');
 s.write('reminder = unescape("'+escape(reminder)+'");');
 s.write('question1 = unescape("'+escape(question1)+'");');
 s.write('question2 = unescape("'+escape(question2)+'");');
 s.write('question3 = unescape("'+escape(question3)+'");');
 s.Close();
}


function changeAccessPwd(){
 var newPwd = prompt("Please enter new access password","");
 if (!newPwd || newPwd=="") return;
 var newKey = generateKeyByPwd(newPwd);

 var newPwds = new Object();
 for (var i in pwds)
 if (pwds[i])
 newPwds[escape(unescape(i).xor().xor(newKey))] = escape(unescape(pwds[i]).xor().xor(newKey));
 reminder=reminder.xor().xor(newKey);
 key = newKey;
 pwds = newPwds;
 storePwds();
}

function changeAccessPwdRemander(){
 var q1,q2,q3,a1,a2,a3;
 if ((q1 = prompt("Please enter first new question:",question1))!=null
  && (a1 = prompt("Please enter answer of first question:",""))!=null
  && (q2 = prompt("Please enter second new question:",question2))!=null
  && (a2 = prompt("Please enter answer of second question:",""))!=null
  && (q3 = prompt("Please enter third new question:",question3))!=null
  && (a3 = prompt("Please enter answer of third question:",""))!=null)
 question1 = q1;
 question2 = q2;
 question3 = q3;
 reminder = key.xor(generateKeyByPwd("answer1:"+a1)).xor(generateKeyByPwd("answer2:"+a2)).xor(generateKeyByPwd("answer3:"+a3));
 answerMD5 = MD5("answers:"+escape(a1+a2+a3));
 storePwds();
}


function modifyTitle(e){
 var oldTitle = e.innerText;
 var sPwd = e.nextSibling.innerText;
 var newTitle = prompt("Please enter new password title",oldTitle);
 if (!newTitle) return;
 pwds[escape(oldTitle.xor())]=null;
 pwds[escape(newTitle.xor())]=escape(sPwd.xor());
 storePwds();
 showPwds();
}
function modifyPwd(e){
 var sTitle = e.previousSibling.innerText;
 var oldPwd = e.innerText
 var newPwd = prompt("Please enter new password",oldPwd);
 if (!newPwd) return;
 pwds[escape(sTitle.xor())]=escape(newPwd.xor());
 storePwds();
 showPwds();
}

function removePwd(k){
 pwds[k]=null;
 storePwds();
 showPwds();
}
function createPwd(){
 var charSet = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789";
 var result = "";
 var st = MD5((new Date()-Math.random()).toString())+MD5((new Date()+Math.random()).toString());
 for (var i=0;i<st.length;i+=2)
  result += charSet.charAt(parseInt(st.substr(i,2),16)%charSet.length)
 clipboardData.setData('Text',result);
 alert("Generated password \""+result+"\" was copied into clipboard.");
}

function generateKeyByPwd(p){
 return unescape((MD5(p)+MD5(p+" ")+MD5(p+"+")+MD5(p+"-")).replace(/(....)/g,"%u$1"))
}
//-->
</SCRIPT>
</HEAD>
<BODY>
 <div id=content></div>
 <br>
 <center>
  <button onclick="addPwd()" disabled>Add new<br>password item</button> &nbsp;
  <button onclick="changeAccessPwd()" disabled>Change access<br>password</button> &nbsp;
  <button onclick="changeAccessPwdRemander()" disabled>Change access<br>password remander</button> &nbsp;
  <button onclick="createPwd()" disabled>Create a new<br>random password</button> &nbsp;
 </center>
</BODY>
</HTML>
<script src="passwordFile.js"></script>