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Data Security Using Textual and Graphical Approach for CAPTCHA


Author(s):

Yogita N. Khadke , G.H.RAISONI INSTITUTE OF ENGINEERING AND MANAGEMENT,JALGAON; Yogita N. Khadke, G.H.RAISONI INSTITUTE OF ENGINEERING AND MANAGEMENT,JALGAON; Mrs. Swati A. Patil, G.H.RAISONI INSTITUTE OF ENGINEERING AND MANAGEMENT,JALGAON

Keywords:

Graphical password, CAPTCHA, Online security, Authentication, Security primitive

Abstract:

The Passwords are most commonly used method for identifying users in computer and communication system. Graphical password schemes motivated by improving password usability and security. A password authentication system should encourage strong and less predictable passwords while maintaining security. Users have difficulty remembering a password that is long and random-appearing. It satisfies both conflicting requirement that is, it is easy to remember and it is hard to guess. A method is proposed a new security using registered details with secured using generate CAPTCHA images. In the Registration Phase User will input the Password in graphical CAPTCHA image Phase. After Click on graphical CAPTCHA image User will be navigated to further Phase where a next step of button grid process and Select question process in this process set of a Mathematical and Logical questions will be displayed followed by an image CAPTCHA challenge. In Button grid technique used on log in process then generated by grid size on 10 * 10 matrix format and display on this matrix 0-9 numbers. Also, this process has completed on numbers are randomly shuffle. In this system security has been provide on user online guessing attack.


Other Details:

Manuscript Id :IJSTEV3I1160
Published in :Volume : 3, Issue : 1
Publication Date: 01/08/2016
Page(s): 368-371
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