Abstract
CAPTCHA is an acronym of the Completely Automated Public Turing test to tell Computers and Humans Apart. CAPTCHA is a technique of testing for ensures that only those people just passing the test and not the system computer generated (bots). The development of CAPTCHA system is to providing creative and validation tests can be easily solved by humans and difficult for bots. There are four types of methods in development CAPTCHA which is the text-based CAPTCHA, CAPTCHA based on image, CAPTCHA based audio and videobased CAPTCHA. CAPTCHA system based on puzzle is developed by using a technique based on an image CAPTCHA. Then, this type of CAPTCHA had developed by using HTML, JavaScript / JQuery and Cascading Style Sheets (CSS). The CAPTCHA system is developed using a sequence of phases of development that are in the methodology of evolutionary prototyping model. Applications certification is expected a confirmatory test that is easily solved by the user and then be interactive authentication applications.
Published Version
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