On Sunday 16 November 2008 05:14, [EMAIL PROTECTED] wrote:
> Author: xor
> Date: 2008-11-16 05:14:40 +0000 (Sun, 16 Nov 2008)
> New Revision: 23638
> 
> Modified:
>    trunk/plugins/WoT/introduction/captcha/ReCaptchaFactory.java
> Log:
> More ideas.
> 
> Modified: trunk/plugins/WoT/introduction/captcha/ReCaptchaFactory.java
> ===================================================================
> --- trunk/plugins/WoT/introduction/captcha/ReCaptchaFactory.java      
> 2008-11-16 
04:51:58 UTC (rev 23637)
> +++ trunk/plugins/WoT/introduction/captcha/ReCaptchaFactory.java      
> 2008-11-16 
05:14:40 UTC (rev 23638)
> @@ -17,6 +17,9 @@
>   * We could also ask the recaptcha people to run their own seed identity 
for us which provides insane amounts of captchas per day.
>   * 
>   * First thing we could do: Just implement the ReCaptchaFactory without 
anonymization and make our seed identity only insert recaptchas.
> + * We would have to change the KSK at which to insert captcha solutions to 
include the hash of the solution an not the solution itself because
> + * ReCaptcha cannot give away the solution as they only check one of the 
two words in the captcha. This could be done by extending the 
> + * class IntroductionPuzzle.

How would hashing help? It's a dictionary attack, versus ... a dictionary 
attack?
>   * 
>   * Description:
>   *  reCAPTCHA improves the process of digitizing books by sending words 
that cannot be read by computers to the Web in the form of CAPTCHAs

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