What is the difference between priva开发者_运维知识库te key and public key and how is it used?Public-key cryptography
This question may have been asked already - but unfortunately, I could not find any satisfactory answers. I will just ask it for my concrete case and ask the admins not to delete the question for at l
I was trying to sign-up Twitter today and I noticed that their registration form does not have a captcha. The form URL is https://twitter.com/signup. I also noticed that they used an input lik开发者_如
I do the web page for my local library, and I was thinking it might be kind of appealing to have a \"custom\" captcha based on book covers. So serve up one of several dozen book covers, and have the p
I\'m trying to interate a struts 1.3.8 app with jcaptcha-1.0; I added the jcaptcha jar to the app lib and added
I run a game website so I have many users logged in and they can do certain things once every two minutes.
How to convert text to captcha image. EDIT i looked at jcaptcha. It creates a random text for a id. But i need
$page = $curl->post($baseUrl.\'/submit.php\', array(\'url\'=>$address,\'phase\'=>\'1\',\'randkey\'=>$randKey[0],\'id\'=>\'c_1\'));
I\'m trying to show programmers that some captchas are too weak, and i\'m breaking them. Now i\'ve got something like this:
I\'m having some problems with users cheating my online game by using macros to automatically click certain spots on the screen in a certain order to automat开发者_如何转开发e various tasks without ha
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