Re: ASCII Captcha
| From: | Robert Cummings | Date: | Fri, 29 Aug 2008 15:45:34 +0000 |
| Subject: | Re: ASCII Captcha | ||
| References: | 1 2 3 4 5 6 7 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-278975@lists.php.net to get a copy of this message | ||
On Fri, 2008-08-29 at 10:38 +0000, Ólafur Waage wrote:
> I just realized that i should have said ASCII Art but not just ASCII,
> it was so clear in my head but i notice now how it could have been
> misunderstood.
You do realize that the ascii rendering below is just a bitmap. Most
captcha crackers can handle bitmaps. The cracker would just need a
little tweaking to first convert to a real bitmap.
Cheers,
Rob.
>
> Ólafur Waage
> olafurw@gmail.com
>
> 2008/8/29 Ólafur Waage <olafurw@gmail.com>:
> > Thats exactly what i am talking about Richard.
> >
> > Ólafur Waage
> > olafurw@gmail.com
> >
> > 2008/8/29 Richard Heyes <richard@php.net>:
> >>> <pre>
> >>> |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
> >>> |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
> >>> ||||
||| |||
> >>> |||` `|| ||| `
> >>> ||||||
> >>> ||||| || |||| |||||| || .... |. ....
> >>> | ... |||||
> >>> ||||| | .|||| |||||| | ||||| .|||
> >>> |||.|. ``|.||||||
> >>> ||||| . ||| |||||| | ||||||||||| .. .||||.
> >>> |||||
> >>> ||||| || ||| |||| |.
> >>> |||||| ||.|
> >>> ||.. |||||
> >>> |||| .|||| ||||.
> >>> .| . ``` .|||||
> >>> |||..... S ...||||||||.. I .||||||||.. R .||||.... I .....|||.. K .||||||||
> >>> |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
> >>> |||||||||||||||||||||||||||| BUCES BBS ||||||||||||||||||||||||||||||
> >>> |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
> >>>
> >>> </pre>
> >>> (I'm not sure it was showed correct)
> >>
> >> It didn't, but pasting it into notepad made everything OK... Even
> >> after that though, it wasn't particularly readable.
> >>
> >> --
> >> Richard Heyes
> >>
> >> HTML5 Graphing:
> >> http://www.phpguru.org/RGraph
> >>
> >> --
> >> PHP General Mailing List (http://www.php.net/)
> >> To unsubscribe, visit: http://www.php.net/unsub.php
> >>
> >>
> >
>
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