Re: [Full-disclosure] captcha

[Ryan Chapman <mrrchapman@xxxxxxxxx>]

Awesome topic, i'm looking forward to hearing alot more about this.
There is Ted talking video explaining, but not into the security end of it.

http://blog.ted.com/2011/12/06/massive-scale-online-collaboration-luis-von-ahn-on-ted-com/



On Mon, Jan 2, 2012 at 10:56, Jan van Niekerk <jvnkrk@xxxxxxxxx> wrote:

> On Sun, Jan 1, 2012 at 3:43 PM, ebhakt <ebhakt@xxxxxxxxx> wrote:
> > Hii guys,
> Hii Ebhakt
>
> > I want to know the logic behind creating a captcha imagey
> > I know how the servers are designed and what the captcha security does!!
> > but how the captcha imagae is generated
> > that's my main question !!
> The code that generates captcha imagey is top secret proprietary
> software.  Only the top software engineers of the global captcha
> security firms have access to the source code, and then only when each
> one of them provides half of the security key to decode the system.
> The code is never actually loaded in memory.  If this code ever got
> into the wrong hands then the entire captcha security system would be
> broken.
> >
> > Any ideas , guesses !!
> Maybe do a dictionary attack.
> > Just mail around !!
> >
> > Thanks
> your welcome hopes this helps
>
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-- 
Ryan Chapman
514.245.0498

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