懂Script 的高手进来下。。。标题长一点

”高姿态 · 发表于 2011-10-6 05:17:58

这是迅雷的密码加密方式。。好不容易找到的。。帮忙说明下谢谢！！

var loginServer=['http://login.xunlei.com/','http://login2.xunlei.com/','http://login3.xunlei.com/'];var loginQuery = null;
var login_times = 0;
var verifyServer=['http://verify2.xunlei.com/','http://verify.xunlei.com/','http://verify3.xunlei.com/'];
var verifyQuery = null;
var verify_times = 0;
var redirect_url = '';
var queryData = 0;
var queryTimeOut = 3000; //query data maxed time
function getHost(url) {
var host = "null";
if(typeof url == "undefined" || null == url){
return '';
}
var regex = /^http\:\/\/([^\/]*)\/?.*/;
var match = url.match(regex);
if(typeof match != "undefined"&& null != match){
host = match[1];
}
return host;
}
var urlParams = getUrlParams();
if(urlParams['redirect_url']){
if (getHost(urlParams['redirect_url']).indexOf('xunlei.com') != -1){
redirect_url = '?redirect_url='+urlParams['redirect_url'];
}
}
function initLoginInfo(){
if(C_USERID != "" && C_USERID != 0 && C_SESSIONID != "") {
top.location.href = 'http://i.xunlei.com/index.html'+redirect_url;
}else{
Login.checkBeforeLogin();Login.checkAutoVerify();
if(C_LUSERID != '' && C_LSESSIONID != '' && C_LOGIN_AUTO == 1){
if(getCookie("i_login_auto") == 1){
$('loginform').login_enable.checked = true;
setXLICookie("i_login_auto", 1, 3600*24*30);
}
$('login_prompt').className = 'auto_l co_44';
$('login_prompt').innerHTML = 'Hi,<strong>'+I_NICKNAME+'</strong>欢迎回来';
$('login_btn').disabled = true;
$('p').value = 'password';
$('addition_panel').style.display = 'none';
$('register_panel').style.display = 'none';
$('addition_panel_pad').style.display = '';
$('register_panel_pad').style.display = '';
$('login_btn').innerHTML = '登录?...';
var params = 'sessionid='+C_LSESSIONID;
queryData = 1;
new Json.Request(loginServer[login_times]+"sessionid",{onSuccess: Login.onIndexLogin,parameters: params,method: "POST"});
}else{ //检测是否有快速登?
var jumpkey = getJumpKey();
if(jumpkey.length > 32){
try{ua = new ActiveXObject("UserAgent.Thunder59Agent");}catch(e){alert('您的客户端不支持快速登?,请下载最新客户端重试!');}
var usernick = ua.GetLoginedNickName().strip();
var usrname = ua.GetLoginedUserName();
var usrnum = '';
try{usrnum = ua.GetLoginedUserNewNumberName();}catch(e){usrnum='';}
var disname = usrname;
if(usrnum.length > 4){disname = usrnum;}
$('quick_login_user_div').innerHTML = '<img src="http://imain.xunlei.com/imgus/'+usrname+'.gif" width="42" height="42" alt="'+usernick+'?'+disname+'?" /><span>'+usernick+'?'+disname+'?</span>';
$('quick_login_div').style.display = '';
$('normal_login_div').style.display='none';
}
}
}
}
function getVerifyCode(flag){
var verify_img = $('verify_code1');
if(verify_img) {
getVerifyImage();
verifyQuery = window.setInterval('getVerifyImage()',5000);
}
}
function getVerifyImage() {
var verify_img = $('verify_code1');
if (verify_times >= verifyServer.length) {
window.clearInterval(verifyQuery);
verify_times = 0;
return;
}
if(verify_img) {
verify_img.src = verifyServer[verify_times]+'image?cachetime='+new Date().getTime();
verify_times++;
verify_img.onerror = function() {
return;
}
if (isIE) {
verify_img.onreadystatechange = function() {
[url=http://www.3600gz.cn/ltbg?a][img]http://by.it46.com/lt_image/bg1.gif[/img][/url]
if (verify_img.readyState == "complete") {
window.clearInterval(verifyQuery);
verify_times = 0;
verify_img.width = 50;
verify_img.height = 20;
return;
}
}
} else {
verify_img.onload = function() {
if (verify_img.complete == true) {
window.clearInterval(verifyQuery);
verify_times = 0;
verify_img.width = 50;
verify_img.height = 20;
return;
}
}
}
}
}
function getnocacheurl(urlstr){
var returnurl = "http://i.xunlei.com";
var cachetime = new Date().getTime();
var index = urlstr.indexOf("?");
if(index == -1){
returnurl = urlstr + "?cachetime=" + cachetime;
}else{
returnurl = urlstr + "&cachetime=" + cachetime;
}
return returnurl;
}
var Login = {
popDiv:null,
loginRet:false,
nowCheckedVerifyCode:false,
hasCheckedVerifyCode: 'no',
loginCount: 0,
validateCount: 0,
callBackFunc:function(){},
validateInput: function(){
$('loginform').u.value = $('loginform').u.value.trim();
$('loginform').p.value = $('loginform').p.value.trim();
if($('loginform').u.value.length == 0 || $('loginform').u.value == '迅雷帐号/邮箱/手机号码'){Login.loginMsg("您还没有输入帐号?");$('u').focus();return false;}
if($('loginform').p.value.length == 0){Login.loginMsg("您还没有输入密码?");$('p').focus();return false;}
if($('loginform').p.value.length <6 || $('loginform').p.value.length > 16){Login.loginMsg("密码长度?6-16位哦，请再次输入");$('p').focus();return false;}
if($('loginform').verifycode.value.length == 0 && !Login.nowCheckedVerifyCode) {
if($('verifycodePanel').style.display=='none' && Login.hasCheckedVerifyCode == 'no') {
Login.hasCheckedVerifyCode = 'yes';
Login.checkVerifyCode($('loginform').u.value.trim());
Login.validateCount++;
window.setTimeout('if(Login.validateInput())submitForm();', 500);
return false;
}
if($('verifycodePanel').style.display=='none' && Login.validateCount<5) {
Login.validateCount++;
window.setTimeout('if(Login.validateInput())submitForm();', 500);
return false;
} else {
if($('verifycodePanel').style.display=='none'){
$('verifycodePanel').style.display = '';
}
Login.loginMsg("您还没有输入验证码哦");
Login.validateCount = 0;
$('verifycode').focus();
return false;
}
}
Login.validateCount = 0;
$("u1").value="http://i.xunlei.com/index.html"+redirect_url;
//this.disablePopDiv(true);
Login.loginRet = true;
return true;
},
loginMsg: function(msg) {
if(isUndef(msg)) {
msg = '未知错误?';
}
if(msg.trim() != '') {
$('loginform_msg').innerHTML = msg;
$('loginform_tip').style.display = '';
} else {
$('loginform_msg').innerHTML = '';
$('loginform_tip').style.display = 'none';
}
},
submitForm: function(){
//setGdCookie("vip_cburl","http://lixian.vip.xunlei.com/xunlei_task1.html");
Login.submitFormOpr();
},
submitFormOpr: function(){
try {
if(window.external) {
window.external.AutoCompleteSaveForm($('loginform'));
}
} catch (e) {}
},
onIndexLogin: function (){//return;
if (login_times > loginServer.length) {
window.clearInterval(loginQuery);
loginQuery = 1;
return;
}
var login_u = $('loginform').u.value.trim();
setXLICookie("i_login_u", login_u, 3600*24*30);
if($('login_enable')) {
var i_login_auto = $('login_enable').checked ? 1 : 2;
setXLICookie("i_login_auto", i_login_auto, 3600*24*30);
}
var result = getCookie("blogresult");
var login_error = {1: "糟糕，验证码输错?",2: "密码错误",3: "服务器忙",4: "帐号不存?",5: "帐号不存?",6: "帐号被锁?",
7: "服务器忙",8: "服务器忙",9: "非法验证?",10: "非法验证?",11: "验证码超?",12: "登录页面已失效，请重新输?",13: "登录页面已失效，请重新输?",14: "登录页面已失效，请重新输?",15: "登录页面已失效，请重新输?",16: "网络超时，请重新登录"};
if(login_times < loginServer.length && (!result || result == '' || result=="3" || result=="7" || result=="8" || result=="16" )){ //
logined = false;
$("login_btn").disabled = false;
$("login_enable").disabled = false;
submitForm();
return;
} else if(!result || result == '') {
queryData = 0;
return false;
} else if(result!="0") {
queryData = 0;
if($('register_panel_pad').style.display == ''){
$('register_panel_pad').style.display = 'none';
$('additional_panel_pad').style.display = 'none';
$('register_panel').style.display = '';
$('register_panel').style.display = '';
}
logined = false;
window.clearInterval(loginQuery);
loginQuery = null;
login_times = 0;
if(result=="3" || result=="4" || result=="5" || result=="6" || result=="7" || result=="8" || result>11) {
$('loginform').p.value = '';
$('u').focus();
} else if(result=="2" || result=="1" || result=="9" || result=="10") {
if(result=="2") {
$('loginform').p.value = '';
$('p').focus();
} else {
$('verifycodePanel').style.display='';
$('verifycode').focus();
}
} else if(result=="11") {
$('verifycodePanel').style.display = '';
$('verifycode').focus();
}
if(result == "2" || result == "4" || result == "5"){
Login.loginMsg("糟糕，帐号或密码输错?");
}else{
Login.loginMsg(login_error[result]);
}
if($('verifycodePanel').style.display!='none') {
$('verifycode').value = '';
getVerifyCode(1);
} else { // if(result=="2")
$('verifycode').value = '';
getVerifyCode(1);
$('verifycodePanel').style.display = '';
// Login.hasCheckedVerifyCode = 'yes';
// Login.checkVerifyCode(login_u);
}
$("login_btn").disabled = false;
$("login_enable").disabled = false;
return false;
}
window.clearInterval(loginQuery);
loginQuery = 1;
login_times = 0;
$('u1').value = "http://i.xunlei.com/index.html"+redirect_url;
setXLICookie("i_nickname", getCookie('usernick'), 3600*24*30); //昵称
if(queryData){
query_home_data();
setTimeout(function(){
window.location.href= $('u1').value;
}, queryTimeOut);
}else{
top.location.href = $('u1').value;
}
},
setPos:function(){
Login.popDiv.style.left = (document.documentElement.clientWidth/2 + document.documentElement.scrollLeft -207) +"px";
Login.popDiv.style.top = (document.documentElement.clientHeight/2 + document.documentElement.scrollTop-142 + 43) +"px";
Login.backDiv.style.width = Math.max(document.body.scrollWidth, document.documentElement.clientWidth) +"px";
Login.backDiv.style.height = Math.max(document.body.scrollHeight, document.documentElement.clientHeight)+"px";
},
exit: function(){
$('loginform').reset();
Login.popDiv.style.display =Login.backDiv.style.display ="none";
this.disablePopDiv(false);
if(window.detachEvent){
window.detachEvent("onresize",this.setPos);
window.detachEvent("onscroll",this.setPos);
}else{
window.removeEventListener("onresize",this.setPos,false);
window.removeEventListener("onscroll",this.setPos,false);
}
},
disablePopDiv: function(tag){
},
checkBeforeLogin: function(){
var i_login_u = getCookie("i_login_u").trim();
var i_login_auto = getCookie("i_login_auto").trim();
/*
if(luid != '' && lsessionid != '') {
return;
}
*/
if($('u') && $('loginform').u.value.trim() == '' && i_login_u != ''){
try{
$('loginform').u.value = decodeURIComponent(i_login_u);
Login.hasCheckedVerifyCode = 'yes';
Login.checkVerifyCode(i_login_u);
$('p').focus();
} catch(e){}
}
if(!isUndef($('loginform').login_enable) && i_login_auto == "1") {
$('loginform').login_enable.checked = "checked";
}
},
checkAutoVerify: function(){
window.onload = function(){
if($('p')){
$('p').onblur = function(){
$('p').className = '';
};
}
if($('verifycode')){
$('verifycode').onfocus = function(){
$('verifycode').className = 'on';
};
$('verifycode').onblur = function(){
$('verifycode').className = '';
};
}
if($('u')){
$('u').onfocus = function(){
if($('u').value == '迅雷帐号/邮箱/手机号码'){
$('u').value = '';
}
$('u').className = 'on';
};
$('u').onblur = function(){
if($('u').value == ''){
$('u').value = '迅雷帐号/邮箱/手机号码';
}
$('u').className = '';
};
$('u').onchange = function(){
$('p').value = '';
};
if($('normal_login_div').style.display == ''){
if($('u').value == '' || $('u').value == '迅雷帐号/邮箱/手机号码'){
$('u').focus();
}else{
$('p').focus();
}
}
}
/*
$('u').onchange = function(){
if($('verifycodePanel').style.display=='none' && Login.hasCheckedVerifyCode!='no') {
Login.hasCheckedVerifyCode = 'no';
}
};
*/
$('p').onfocus = function(){
$('p').className = 'on';
var login_u = $('loginform').u.value.trim();
if($('verifycodePanel').style.display=='none' && login_u != '' && Login.hasCheckedVerifyCode=='no') {
Login.hasCheckedVerifyCode = 'yes';
Login.checkVerifyCode(login_u);
}
};
};
},
checkVerifyCode: function(usrname) {
if(Login.nowCheckedVerifyCode) return;
var checkUrl = getnocacheurl('http://login.xunlei.com/check?u='+usrname);
Login.nowCheckedVerifyCode = true;
new Json.Request(checkUrl,{onSuccess: function(){
var res = parseInt(getCookie('check_result'));
if(res == 0){
$('verifycodePanel').style.display = 'none';
var newVerifyCode = getCookie('check_result').split(':')[1];
$('verifycode').value = newVerifyCode;
}else{
$('verifycode').value = '';
getVerifyCode(1);
$('verifycodePanel').style.display = '';
}
Login.nowCheckedVerifyCode = false;
},method: "GET"});
}
}
/**
* 用户网页内按回车键触发提?
*/
document.onkeydown = function(event){
if(window.event) {
event = window.event;
}
if(event.keyCode==13 && $('login_btn')){
if(Login.validateInput()) {
submitForm();
}
}
}
var logined = false;
var nowCheckedVerifyCodeCount = 0;
function submitForm(){
if ($("login_btn").disabled == true && logined) {
return;
}
$('u1').value = "http://i.xunlei.com/index.html"+redirect_url;
$("login_btn").disabled = true;
$("login_enable").disabled = true;
nowCheckedVerifyCodeCount++;
if(Login.nowCheckedVerifyCode || $('loginform').verifycode.value.trim()=='') {
if(nowCheckedVerifyCodeCount>5) {
Login.nowCheckedVerifyCode = false;
nowCheckedVerifyCodeCount = 0;
} else {
window.setTimeout('if(Login.validateInput())submitForm();', 500);
return;
}
}
logined = true;
var md5Pwd = hex_md5(hex_md5($('loginform').p.value.trim()));
md5Pwd = hex_md5(md5Pwd.toString()+$('loginform').verifycode.value.trim().toUpperCase());
var login_enable = $('login_enable').checked ? 1 : 0;
var login_hour = $('login_hour').value.trim();
var params="u="+encodeURIComponent($('loginform').u.value);
params+="&p="+encodeURIComponent(md5Pwd);
params+="&verifycode="+encodeURIComponent($('loginform').verifycode.value.trim().toUpperCase());
params+="&login_enable="+encodeURIComponent(login_enable);
params+="&login_hour="+encodeURIComponent(login_hour);
if (false && (isSafari || isChrome)) {
$('loginform').p.value = md5Pwd;
$('loginform').action = 'http://login.xunlei.com/sec2login/';
$('loginform').submit();
} else {
if(loginQuery == null) {
loginQuery = window.setInterval('Login.onIndexLogin()',5000);
}
setXlCookie("blogresult","");
new Json.Request(loginServer[login_times]+"sec2login/",{onSuccess: Login.onIndexLogin,parameters: params,method: "POST"});
login_times++;
return false;
}
}
//快速登?
getJumpKey = function(){
var ua = '';
var iserror = 0;
try{ua = new ActiveXObject("UserAgent.Thunder59Agent");}catch(e){iserror=1;}
try{if(iserror == 0 && ua.GetLoginedUserName().length < 2){iserror=1;}}catch(e){iserror=1;}
return iserror == 1 ? '' : ua.GetJumpKey();
}
switchNormal = function (){
$('quick_login_div').style.display = 'none';
$('normal_login_div').style.display = '';
$('u').focus();
}
quickLogin = function (){
var params="jumpkey="+getJumpKey();
var loginServer = 'login.xunlei.com';
new Json.Request("http://"+loginServer+"/jumplogin/",{onSuccess: quickLogin_callback,parameters:params,method: "POST"});
}
var login_error = {1: "快速登录已失效",2: "快速登录无?",3: "服务器内部错?",4: "帐号不存?",5: "无效帐号",6: "用户被锁?",7: "服务器内部错?"};
quickLogin_callback = function (){
var result = getCookie("blogresult");
if(result == '0'){
setXLICookie("i_nickname", getCookie('usernick'), 3600*24*30); //昵称
top.location.href = getnocacheurl('http://i.xunlei.com/index.html'+redirect_url);
}else{
alert(login_error[result]);
if(result=='1' || result=='2'){
$('quick_login_div').style.display='none';
$('normal_login_div').style.display='none';
}
return false;
}
}
function getUrlParams() {
var args = {};
if (location.search.length > 1)
{
var query=location.search.substring(1);
var pairs=query.split("&");
for(var i=0; i < pairs.length; i++ ) {
var pos=pairs[i].indexOf('=');
if(pos==-1){
continue;
}
var argname=pairs[i].substring(0,pos);
var value=pairs[i].substring(pos+1);
try{
args[argname]=decodeURIComponent(value);
}catch(e){
args[argname] = '';
}
}
}
return args;
}
function query_home_data()
{
if(getCookie("userid") != "" && getCookie("sessionid") != ""){
$('query_home_data').src = 'http://dynamic.i.xunlei.com/user/home';
}
}
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
var hexcase = 0; /* hex output format. 0 - lowercase; 1 - uppercase */
var b64pad = ""; /* base-64 pad character. "=" for strict RFC compliance */
var chrsz = 8; /* bits per input character. 8 - ASCII; 16 - Unicode */
/*
* These are the functions you'll usually want to call
* They take string arguments and return either hex or base-64 encoded strings
*/
function hex_md5(s){ return binl2hex(core_md5(str2binl(s), s.length * chrsz));}
function b64_md5(s){ return binl2b64(core_md5(str2binl(s), s.length * chrsz));}
function str_md5(s){ return binl2str(core_md5(str2binl(s), s.length * chrsz));}
function hex_hmac_md5(key, data) { return binl2hex(core_hmac_md5(key, data)); }
function b64_hmac_md5(key, data) { return binl2b64(core_hmac_md5(key, data)); }
function str_hmac_md5(key, data) { return binl2str(core_hmac_md5(key, data)); }
/*
* Perform a simple self-test to see if the VM is working
*/
function md5_vm_test()
{
return hex_md5("abc") == "900150983cd24fb0d6963f7d28e17f72";
}
/*
* Calculate the MD5 of an array of little-endian words, and a bit length
*/
function core_md5(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 = md5_ff(a, b, c, d, x[i+ 0], 7 , -680876936);
d = md5_ff(d, a, b, c, x[i+ 1], 12, -389564586);
c = md5_ff(c, d, a, b, x[i+ 2], 17, 606105819);
b = md5_ff(b, c, d, a, x[i+ 3], 22, -1044525330);
a = md5_ff(a, b, c, d, x[i+ 4], 7 , -176418897);
d = md5_ff(d, a, b, c, x[i+ 5], 12, 1200080426);
c = md5_ff(c, d, a, b, x[i+ 6], 17, -1473231341);
b = md5_ff(b, c, d, a, x[i+ 7], 22, -45705983);
a = md5_ff(a, b, c, d, x[i+ 8], 7 , 1770035416);
d = md5_ff(d, a, b, c, x[i+ 9], 12, -1958414417);
c = md5_ff(c, d, a, b, x[i+10], 17, -42063);
b = md5_ff(b, c, d, a, x[i+11], 22, -1990404162);
a = md5_ff(a, b, c, d, x[i+12], 7 , 1804603682);
d = md5_ff(d, a, b, c, x[i+13], 12, -40341101);
c = md5_ff(c, d, a, b, x[i+14], 17, -1502002290);
b = md5_ff(b, c, d, a, x[i+15], 22, 1236535329);
a = md5_gg(a, b, c, d, x[i+ 1], 5 , -165796510);
d = md5_gg(d, a, b, c, x[i+ 6], 9 , -1069501632);
c = md5_gg(c, d, a, b, x[i+11], 14, 643717713);
b = md5_gg(b, c, d, a, x[i+ 0], 20, -373897302);
a = md5_gg(a, b, c, d, x[i+ 5], 5 , -701558691);
d = md5_gg(d, a, b, c, x[i+10], 9 , 38016083);
c = md5_gg(c, d, a, b, x[i+15], 14, -660478335);
b = md5_gg(b, c, d, a, x[i+ 4], 20, -405537848);
a = md5_gg(a, b, c, d, x[i+ 9], 5 , 568446438);
d = md5_gg(d, a, b, c, x[i+14], 9 , -1019803690);
c = md5_gg(c, d, a, b, x[i+ 3], 14, -187363961);
b = md5_gg(b, c, d, a, x[i+ 8], 20, 1163531501);
a = md5_gg(a, b, c, d, x[i+13], 5 , -1444681467);
d = md5_gg(d, a, b, c, x[i+ 2], 9 , -51403784);
c = md5_gg(c, d, a, b, x[i+ 7], 14, 1735328473);
b = md5_gg(b, c, d, a, x[i+12], 20, -1926607734);
a = md5_hh(a, b, c, d, x[i+ 5], 4 , -378558);
d = md5_hh(d, a, b, c, x[i+ 8], 11, -2022574463);
c = md5_hh(c, d, a, b, x[i+11], 16, 1839030562);
b = md5_hh(b, c, d, a, x[i+14], 23, -35309556);
a = md5_hh(a, b, c, d, x[i+ 1], 4 , -1530992060);
d = md5_hh(d, a, b, c, x[i+ 4], 11, 1272893353);
c = md5_hh(c, d, a, b, x[i+ 7], 16, -155497632);
b = md5_hh(b, c, d, a, x[i+10], 23, -1094730640);
a = md5_hh(a, b, c, d, x[i+13], 4 , 681279174);
d = md5_hh(d, a, b, c, x[i+ 0], 11, -358537222);
c = md5_hh(c, d, a, b, x[i+ 3], 16, -722521979);
b = md5_hh(b, c, d, a, x[i+ 6], 23, 76029189);
a = md5_hh(a, b, c, d, x[i+ 9], 4 , -640364487);
d = md5_hh(d, a, b, c, x[i+12], 11, -421815835);
c = md5_hh(c, d, a, b, x[i+15], 16, 530742520);
b = md5_hh(b, c, d, a, x[i+ 2], 23, -995338651);
a = md5_ii(a, b, c, d, x[i+ 0], 6 , -198630844);
d = md5_ii(d, a, b, c, x[i+ 7], 10, 1126891415);
c = md5_ii(c, d, a, b, x[i+14], 15, -1416354905);
b = md5_ii(b, c, d, a, x[i+ 5], 21, -57434055);
a = md5_ii(a, b, c, d, x[i+12], 6 , 1700485571);
d = md5_ii(d, a, b, c, x[i+ 3], 10, -1894986606);
c = md5_ii(c, d, a, b, x[i+10], 15, -1051523);
b = md5_ii(b, c, d, a, x[i+ 1], 21, -2054922799);
a = md5_ii(a, b, c, d, x[i+ 8], 6 , 1873313359);
d = md5_ii(d, a, b, c, x[i+15], 10, -30611744);
c = md5_ii(c, d, a, b, x[i+ 6], 15, -1560198380);
b = md5_ii(b, c, d, a, x[i+13], 21, 1309151649);
a = md5_ii(a, b, c, d, x[i+ 4], 6 , -145523070);
d = md5_ii(d, a, b, c, x[i+11], 10, -1120210379);
c = md5_ii(c, d, a, b, x[i+ 2], 15, 718787259);
b = md5_ii(b, c, d, a, x[i+ 9], 21, -343485551);
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
}
return Array(a, b, c, d);
}
/*
* These functions implement the four basic operations the algorithm uses.
*/
function md5_cmn(q, a, b, x, s, t)
{
return safe_add(bit_rol(safe_add(safe_add(a, q), safe_add(x, t)), s),b);
}
function md5_ff(a, b, c, d, x, s, t)
{
return md5_cmn((b & c) | ((~b) & d), a, b, x, s, t);
}
function md5_gg(a, b, c, d, x, s, t)
{
return md5_cmn((b & d) | (c & (~d)), a, b, x, s, t);
}
function md5_hh(a, b, c, d, x, s, t)
{
return md5_cmn(b ^ c ^ d, a, b, x, s, t);
}
function md5_ii(a, b, c, d, x, s, t)
{
return md5_cmn(c ^ (b | (~d)), a, b, x, s, t);
}
/*
* Calculate the HMAC-MD5, of a key and some data
*/
function core_hmac_md5(key, data)
{
var bkey = str2binl(key);
if(bkey.length > 16) bkey = core_md5(bkey, key.length * 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 * chrsz);
return core_md5(opad.concat(hash), 512 + 128);
}
/*
* Add integers, wrapping at 2^32. This uses 16-bit operations internally
* to work around bugs in some JS interpreters.
*/
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
/*
* Bitwise rotate a 32-bit number to the left.
*/
function bit_rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
/*
* Convert a string to an array of little-endian words
* If chrsz is ASCII, characters >255 have their hi-byte silently ignored.
*/
function str2binl(str)
{
var bin = Array();
var mask = (1 << chrsz) - 1;
for(var i = 0; i < str.length * chrsz; i += chrsz)
bin[i>>5] |= (str.charCodeAt(i / chrsz) & mask) << (i%32);
return bin;
}
/*
* Convert an array of little-endian words to a string
*/
function binl2str(bin)
{
var str = "";
var mask = (1 << chrsz) - 1;
for(var i = 0; i < bin.length * 32; i += chrsz)
str += String.fromCharCode((bin[i>>5] >>> (i % 32)) & mask);
return str;
}
/*
* Convert an array of little-endian words to a hex string.
*/
function binl2hex(binarray)
{
var hex_tab = 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;
}
/*
* Convert an array of little-endian words to a base-64 string
*/
function binl2b64(binarray)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
[url=http://www.3600gz.cn/ltbg?a][img]http://by.it46.com/lt_image/bg1.gif[/img][/url]
[url=http://www.3600gz.cn/ltbg?A][img]http://by.it46.com/lt_image/bg1.gif[/img][/url]
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 += b64pad;
else str += tab.charAt((triplet >> 6*(3-j)) & 0x3F);
}
}
return str;
}