期刊名称：International Journal of Computer Technology and Applications
电子版ISSN：2229-6093
出版年度：2013
卷号：4
期号：6
页码：1005-1009
出版社：Technopark Publications
摘要：In the competitive world information security is major concern. For the secure system, authentication is major concern. Although we are already using keyboard based password which uses alpha-numeric password. As these days mobile handset also contains private information which needs to be secured. Mobile devices provide us PIN based password. PINs provide a small password space size, which is vulnerable to attacks. Alternative of PIN based authentication is to authenticate user based on graphical method. Currently many graphical methods are available for android and other phone but the major problem in all these methods are it is vulnerable to crack the password and also not providing the large choice to user for selecting password. This paper proposes a new graphical-based password system for mobile devices. The graphical password enlarges the password space size and promotes the utility in touch screen mobile devices
