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createpassword.js
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createpassword.js
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javascript:
/* copyright Hugh Perkins 2013, and all the contributors listed below
You can use this code under the BSD license
This is derived from Nic Wolff's original password generator at
http://angel.net/~nic/passwd.current.html , which was public domain at time
of derivation
Contains sha1 implementation with following header:
A JavaScript implementation of the Secure Hash Algorithm, SHA-1, as defined
in FIPS PUB 180-1
Version 2.1 Copyright Paul Johnston 2000 - 2002.
Other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet
Distributed under the BSD License
See http://pajhome.org.uk/crypt/md5 for details.
Modifications by Hugh Perkins:
- use an additional div popup, with a password field input, so people can't
read your password over your shoulder
- changed password length to 16 + the '1a' suffix, which should be secure
for my lifetime...
*/
var b64pad = "";
var chrsz = 8;
function core_sha1(x, len)
{
x[len >> 5] |= 0x80 << (24 - len % 32);
x[((len + 64 >> 9) << 4) + 15] = len;
var w = Array(80);
var a = 1732584193;
var b = -271733879;
var c = -1732584194;
var d = 271733878;
var e = -1009589776;
for(var i = 0; i < x.length; i += 16) {
var olda = a;
var oldb = b;
var oldc = c;
var oldd = d;
var olde = e;
for(var j = 0; j < 80; j++) {
if(j < 16) w[j] = x[i + j];
else w[j] = rol(w[j-3] ^ w[j-8] ^ w[j-14] ^ w[j-16], 1);
var t = safe_add(safe_add(rol(a, 5), sha1_ft(j, b, c, d)),
safe_add(safe_add(e, w[j]), sha1_kt(j)));
e = d;
d = c;
c = rol(b, 30);
b = a;
a = t;
}
a = safe_add(a, olda);
b = safe_add(b, oldb);
c = safe_add(c, oldc);
d = safe_add(d, oldd);
e = safe_add(e, olde);
}
return Array(a, b, c, d, e);
}
function sha1_ft(t, b, c, d)
{
if(t < 20) return (b & c) | ((~b) & d);
if(t < 40) return b ^ c ^ d;
if(t < 60) return (b & c) | (b & d) | (c & d);
return b ^ c ^ d;
}
function sha1_kt(t)
{
return (t < 20) ? 1518500249 : (t < 40) ? 1859775393 :
(t < 60) ? -1894007588 : -899497514;
}
function safe_add(x, y)
{
var lsw = (x & 0xFFFF) + (y & 0xFFFF);
var msw = (x >> 16) + (y >> 16) + (lsw >> 16);
return (msw << 16) | (lsw & 0xFFFF);
}
function rol(num, cnt)
{
return (num << cnt) | (num >>> (32 - cnt));
}
function str2binb(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) << (24 - i % 32);
return bin;
}
function binb2b64(binarray)
{
var tab = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/";
var str = "";
for(var i = 0; i < binarray.length * 4; i += 3)
{
var triplet = (((binarray[i >> 2] >> 8 * (3 - i %4)) & 0xFF) << 16)
| (((binarray[i+1 >> 2] >> 8 * (3 - (i+1)%4)) & 0xFF) << 8 )
| ((binarray[i+2 >> 2] >> 8 * (3 - (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;
}
function b64_sha1(s){
var bin = str2binb(s);
var sha1 = core_sha1(bin,s.length * chrsz);
var result = binb2b64(sha1);
return result;
}
var ourdivnameasdf = "ourpwdivfjg";
var ourpwinputnameasdf = "ourpwinputadfef";
var ourformidasdf = "ourpwformawrgwg";
function processPassasdf(){
var passwordinput = document.getElementById(ourpwinputnameasdf);
var master = passwordinput.value;
confirminput = document.getElementById(ourpwinputnameasdf + 'confirm');
var masterconfirm = confirminput.value;
document.getElementById(ourdivnameasdf).setAttribute('style','display: none');
if( master != masterconfirm ) {
alert("Your passwords did not match, please try again");
return;
}
if(master!=''&&master!=null){
var host=document.location.href.match(/http(s*):\/\/([^/]+)/)[2];
if(sld=host.match(/([^.]+\.([a-z][a-z][a-z]+|a(m|s|x)|bg|c(f|l|z)|d(e|j|k)|eu|fm|fo|gl|gm|hm|io|km|la|ly|m(d|e|n|p|q|r)|nc|nu|s(i|m|n|r|t|u|z)|td|tk|uz|vc|vu|ws))$/i)){
var domain=sld[0];
}
}else{
var domain=host.match(/([^.]+\.[^.]+\.[a-z][a-z])$/i)[0];
}
var i=0;
var j=0;
var p=b64_sha1(master+':'+domain).substr(0,16)+'1a';
var F=document.forms;
var g=false;
for(i=0;i<F.length;i++){
var E=F[i].elements;
if(E.id == ourformidasdf) continue;
for(j=0;j<E.length;j++){
var D=E[j];
if(D.type=='password' && D.id != ourpwinputnameasdf && D.id != ourpwinputnameasdf + 'confirm' ){
D.value=p;
D.focus();
g=true;
}
if(D.type=='text' && D.id != ourpwinputnameasdf && D.id != ourpwinputnameasdf + 'confirm'){
if(D.name.toUpperCase().indexOf('PASSWORD')!=-1||D.name.toUpperCase().indexOf('PASSWD')!=-1){
D.value=p;
D.focus();
g=true;
}
}
}
}
if(!g){
window.prompt('Your password for '+domain+' is',p)
}
}
function pwinitasdf(){
/* var master=window.prompt('Enter your master password');*/
var ourdiv = document.getElementById(ourdivnameasdf);
var newdivhtml = '<div style="z-index: 100; position: absolute; left: 100px; top: 100px; background-color: #ecc; border: 1px solid black" id="' + ourdivnameasdf + '" ><form onsubmit="processPassasdf();return false;" id="' + ourformidasdf + '">Master password: <input type="password" id="' + ourpwinputnameasdf + '"/><br />Confirm password:<input type="password" id="' + ourpwinputnameasdf + 'confirm"/><br /><input type="submit" value="Get password" /></form></div>';
if( ourdiv == null ) {
document.body.innerHTML = newdivhtml + document.body.innerHTML;
document.getElementById(ourpwinputnameasdf).focus();
} else {
/*document.getElementById(ourdivnameasdf).setAttribute('style','z-index: 100; position: absolute; left: 100px; top: 100px; background-color: #ecc; border: 1px solid black');*/
/*document.getElementById(ourpwinputnameasdf).value = '';*/
/*document.getElementById(ourpwinputnameasdf+confirm).value = '';*/
document.getElementById(ourdivnameasdf).outerHTML = newdivhtml;
document.getElementById(ourpwinputnameasdf).focus();
}
}
pwinitasdf();void(null);