Re: Going from simple to super CAPTCHA
| From: | Richard Lynch | Date: | Tue, 12 Jun 2007 20:59:10 +0000 |
| Subject: | Re: Going from simple to super CAPTCHA | ||
| References: | 1 2 3 4 5 6 7 8 9 10 11 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-256784@lists.php.net to get a copy of this message | ||
On Tue, June 12, 2007 3:40 pm, Tijnema wrote:
> A PFP (Pixel-For-Pixel) Approach would do the job, but I don't think
> there exists software yet for it. I would have to get the file format
> of the bitmap you're using (PNG I Guess), and then parse it PFP.
Oh, the software exists.
http://php.net/imagecolorat
And I don't really care if it's PNG, GIF or JPEG, really, since GD
handles all of those.
Yes, I have actually *DONE* this to crack a CAPTCHA in php, and yes,
it does actually work.
Last I checked, I was cracking the CAPTCHA with a 97% success ratio --
which is pretty dang close to human error margins on the silly things.
This is not rocket science.
It barely even qualifies as AI Research any more. :-v
--
Some people have a "gift" link here.
Know what I want?
I want you to buy a CD from some indie artist.
http://cdbaby.com/browse/from/lynch
Yeah, I get a buck. So?