Knowledge is inside
As a new sequel to the Excel random password generator and the Random password generator, I’ve made a PHP random password generator service…
You can call it this way (if you hover the parameter values, you’ll get an explanation):
http://www.neoegm.com/services/random_password.php?length=8&upper=1&lower=1&numbers=1
So, for example, to generate a 10 characters numeric password you could access:
http://www.neoegm.com/services/random_password.php?length=10&upper=0&lower=0
As an easy and quick to use alternative to the Excel random password generator, I’ve made this online Javascript adaptation of the random password generation function code… You can watch its source code below…
Characters
Uppercase Lowercase Numbers
Random Password
The code is licensed under the GNU GPL v3…
Just in case you want to see the function code without looking into the source code:
/*************************************************************************************************
Random Password Generator by NeoEGM
Copyright (C) 2009 Ezequiel Gastón Miravalles
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*************************************************************************************************/
/*************************************************************************************************
Software: Random Password Generator by NeoEGM
Author: Ezequiel Gastón Miravalles
Website: http://www.neoegm.com/software/random-password-generator/
License: GNU GPL v3 (read above)
*************************************************************************************************/
function RandomPassword(Length, Upper, Numbers, Lower)
{
Upper = typeof(Upper) != 'undefined' ? Upper : true;
Numbers = typeof(Numbers) != 'undefined' ? Numbers : true;
Lower = typeof(Lower) != 'undefined' ? Lower : true;
if (!Upper && !Lower && !Numbers)
return "";
var Ret = "";
var Num;
var Repeat;
Chars = 26 * 2 + 10; //26 (a-z) + 26 (A-Z) + 10 (0-9)
//a-z = 97-122
//A-Z = 65-90
//0-9 = 48-57
for (i = 1; i <= Length; i++)
{
Repeat = false;
Num = Math.floor(Math.random()*Chars);
if (Num < 26)
if (Lower)
Ret = Ret + String.fromCharCode(Num + 97);
else
Repeat = true;
else if (Num < 52)
if (Upper)
Ret = Ret + String.fromCharCode(Num - 26 + 65);
else
Repeat = true;
else if (Num < 62)
if (Numbers)
Ret = Ret + String.fromCharCode(Num - 52 + 48);
else
Repeat = true;
if (Repeat)
i--;
}
return Ret;
}
Sometimes you may have to generate automatically different random passwords. This could be a very easy task if you just had an Excel function like “RandomPassword”, so you could write:
=RandomPassword(8)
And get something like:
e8NwB9Bi
Well, this is exactly the idea of the Add-In I’ve made…
If this isn’t what you’re looking for, as an alternative, you can visit the online random password generator.
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