Posted by Hans Worst on 10/02/06 03:07

"Bob Stearns" <rstearns1241@charter.net> schreef in bericht
news:PU3Ug.2834$xt3.194@newsfe07.lga...
> Hans Worst wrote:
>
>> You know them brute force password crackers... Just give the min/max
>> passwordlength and the character scope in which they have to search.
>>
>> min length: 1
>> max length: 7
>> scope:abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ01234567890!@#$%^&*()_
>>
>> Can anybody help me with a compact code for generating all possibilities?
> You do realize that at the maxlength there are 10,030,613,004,288
> combinations, at that a generation and test rate of 1,000,000 per second,
> it would take over 100 days to test them all?
>
> There is a more complicated way, which lets max length be a variable, but
> this is short and easy:
>
> for($i1=0; $i1<strlen($scope); $i1++) {
> $key = substr($scope, $i1, 1);
> print $key;
> for($i2=0; $i2<strlen($scope); $i2++) {
> $key = substr($key,0,1) . substr($scope, $i2, 1);
> print $key;
> for($i3=0; $i3<strlen(scope); $i++) {
> $key = substr($key,0,2) . substr($scope, $i3, 1);
> print $key;
> }
> }
> }
>
> Make further loops inside the ones already present to increase the key
> length beyond 3. Note that each loop increases the run time and output
> lines by a factor of 72
Bob,

Thanks for the example but there is something wrong - I cannot find what
though...

I put $scope = "abcdefghijklmnopqrstuvwxyz";
and I put <BR>'s after every print
The script outputs a aa aaa aaa aaa aaa aaa aaa

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