Captcha and Its Techniques for Providing Security in Web and Applications

K. V. Reddy, D. Shiva Rama Krishna, D.C. Janardana Reddy

Abstract


In this paper online security scheme is constructed with text and graphical passwords. Captcha and Graphical passwords are integrated and a novel family of graphical password systems built on top of Captcha technology is called as Captcha as graphical passwords (CaRP). The CaRP scheme is enhanced with more attack handling mechanisms that improves the level of security in online application system and also provides better authentication.

Keywords


CaRP; Captcha; Graphical Passwords; Accessing

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Copyright (c) 2015 K. V. Reddy, D. Shiva Rama Krishna, D.C. Janardana Reddy

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