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
用Javascript实现锚点(Anchor)间平滑跳转
实现png图片和png背景透明（支持多浏览器）的方法
一个用javascript写的select支持上下键、首字母筛选以及回车取值的功能
用DIV完美模拟createPopup 弹出窗口(修正版)，支持Firefox,ie,chrome
JavaScript 中级笔记 第一章
IE与Firefox在JavaScript上的7个不同写法小结
MooTools 1.2介绍
Mootools 1.2教程(2) DOM选择器
Mootools 1.2教程(3) 数组使用简介
在IE下获取object（ActiveX）的Param的代码
ExtJS 配置和表格控件使用
javascript 缓冲效果实现代码 推荐
html数组字符串拼接的最快方法
JavaScript 浮动定位提示效果实现代码
类似CSDN图片切换效果脚本
javascript 面向对象编程 function也是类
javascript 面向对象编程 聊聊对象的事
javascript 面向对象编程 function是方法(函数)
[原创]基于innerHTML中的script广告实现代码[广告全部放在一个js里面]
jQuery slider Content(左右控制移动)

No. « 226 227 228 229 »

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: 168 ::
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>