Call For Paper Volume:4 Issue:10 Oct'2017 |

Optimized Face Image CAPTCHA as Graphical Password

Publication Date : 30/09/2015

Author(s) :

Shahana. AR , Elizabeth Jacob.

Volume/Issue :
Volume 2
Issue 9
(09 - 2015)

Abstract :

Most of the existing security primitives are based on hard AI problems. But these have been underexplored. This paper introduce a novel family of graphical password build on top of CAPTCHA technology. It is a combination of both CAPTCHA and a graphical password scheme. Many online security problems like online dictionary attack, relay attacks, brute force attacks can be overcomed by this scheme. Password can be found only probablistically in guessing attacks. The system uses a novel face image CAPTCHA which are optimized using genetic learning algorithm. The CAPTCHA combines touch based input methods favoured by mobile devices. They provide a high level security toward automated computer attacks.

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Optimized Face Image CAPTCHA as Graphical Password

September 29, 2015