Research In Motion
Mobile devices equipped with touch screens dominate the current mobile market because of high flexibility and good usability. Many privacy sensitive applications run on such devices. For authentication typing a text password is challenging task in touch screen based devices. A graphical based password is one of the most promising and upcoming alternative for textual based passwords. According to psychology, human's can remember pictures more easily than text. In this paper, the authors present a novel graphical password authentication system which is a combination of both recall and recognition based techniques specifically for touch screen based mobile and handheld devices.