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Journal of Emerging Trends in Computing and Information Sciences >> Call for Papers Vol. 8 No. 3, March 2017

Journal of Emerging Trends in Computing and Information Sciences

Time-Variant Captcha: Generating Strong Captcha Security by Reducing Time to Automated Computer Programs

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Author Prem Shanker Yadava, Chandra Prakash Sahu , Sanjeev Kumar Shukla
ISSN 2079-8407
On Pages 701-704
Volume No. 2
Issue No. 12
Issue Date December 01, 2011
Publishing Date December 01, 2011
Keywords OCR (Optical Character Recognition), Non-OCR, Captcha2, .net


Abstract

Today, approximately all the internet users have login accounts for internet sites and these sites require only the registration by human users but unfortunately some automated computer programs to enter these sites and use their resources through false registration. This paper introduces a new TIME-VARIENT CAPTCHA. In this paper we are not focusing on the effective development of Captcha but targeting a display of Captcha over the webpage for a fixed time, Captcha replaces itself until the final Captcha is filled by user. Refresh process just work with Captcha and don’t affect the web page. So, now, automated program has to cover one more area to breach the Captcha: to determine the final entered Captcha.  

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