期刊名称：International Journal of Electronics, Communication and Soft Computing Science and Engineering
印刷版ISSN：2277-9477
出版年度：2015
卷号：4
期号：Special 3
出版社：IJECSCSE
摘要：Graphical passwords are most preferable authentication system where users click on images to authenticate themselves because most of the existing authentication system has certain drawbacks. To support users for selecting the better password is an important usability goal of an authentication system. User creates memorable password which is easy to guess by an attacker and strong system ass igned passwords are difficult to memorize. According to the researchers of modern days they concluded that graphical passwords are most preferable authentication system as they have gone through different alternative methods. The proposed approach combines the persuasive cued click point technique and click based graphical password scheme (C - GPS) with the purpose of improving the image - based authentication in terms of both security and usability. Also it encourages user to select more random click point whi ch is difficult to guess. Specifically, the scheme mainly contains two operational steps: image selection and sound signature. That is, users first choose an ordered sequence of images and then select sound
