Re: Creating all key combinations passwords

[Stut <stuttle@xxxxxxxxx>]

Lasitha Alawatta wrote:
> I’m going to create all key combinations; simple-letter passwords and 
> store those in to MySql DB.
>
> Using = a-z (simple letters)
>
> Password length = 6
>
> Number of possibilities = 26 x 26 x 26 x 26 x 26 x 26 = 308,915,776
>
> This is my code:
>
> <?php
>       for($i=0;$i< 500000000;$i++){
>             $arrPwd[] = createPwd();
>       }
>
>       $arrUniqueData = array_unique($arrPwd);
>
>       foreach($arrUniqueData as $key=>$val){
>             // Inserting to DB
> }
>
>       function createPwd() {
>             $lower = "abcdefghijklmnopqrstuvwxyz";
>             $seed_length += 26;
>             $seed .= $lower;
>            
>             for($x=1;$x<=6;$x++){
>                   $ strPwd.= $seed{rand(0,$seed_length-1)};
>             }
>             return($strPwd);
>       }
> ?>
>
> What is the easiest way to get my output?
>
>    1. Because above code will stuck the PC (for($i=0;$i< 500000000;$i++){).
>    2. I use 500000000 instead of 308915776, because createPwd() function
>       will duplicating the password.
>
> Suggesting, comments, code samples are highly appreciate.

The only reason I can see to do such a thing is to build a brute-force 
password cracker, and seeing as you're not smart enough to realise that 
you can do so incrementally instead of randomly, I don't see much reason 
to help you.

Enjoy.

-Stut

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