<abstract xmlns="http://www.w3.org/1999/xhtml">

<p>Graphical passwords are believed to be more secure than traditional textual passwords, but the authentications are usually complex and boring for users. Furthermore, most of the existing graphical password schemes are vulnerable to spyware and shoulder surfing. A novel graphical password scheme ColorLogin is proposed in this paper. ColorLogin is implemented in an interesting game way to weaken the boring feelings of the authentication. ColorLogin uses background color, a method not previously considered, to decrease login time greatly. Multiple colors are used to confuse the peepers, while not burdening the legitimate users. Meanwhile, the scheme is resistant to shoulder surfing and intersection attack to a certain extent. Experiments illustrate the effectiveness of ColorLogin.</p>
</abstract>

Graphical passwords are believed to be more secure than traditional textual passwords, but the authentications are usually complex and boring for users. Furthermore, most of the existing graphical password schemes are vulnerable to spyware and shoulder surfing. A novel graphical password scheme ColorLogin is proposed in this paper. ColorLogin is implemented in an interesting game way to weaken the boring feelings of the authentication. ColorLogin uses background color, a method not previously considered, to decrease login time greatly. Multiple colors are used to confuse the peepers, while not burdening the legitimate users. Meanwhile, the scheme is resistant to shoulder surfing and intersection attack to a certain extent. Experiments illustrate the effectiveness of ColorLogin.

Authentication Scheme for Session Passwords Using Color and Image

International Journal on Smart Sensing and Intelligent Systems

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

{"article-title":"Authentication Scheme for Session Passwords Using Color and Image"}

Graphical passwords are believed to be more secure than traditional textual passwords, but the authentications are usually complex and boring for users....

Authentication Scheme for Session Passwords Using Color and Image

Published Online: Sep 01, 2017

Page range: 590 - 603

Received: May 27, 2017

Accepted: Jun 15, 2017

DOI: https://doi.org/10.21307/ijssis-2017-272

© 2017 P. Saranya et al., published by Sciendo

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.