Comparison of Graphical Passwords Using ISO 9126

Abstract

This article is to learn the characteristics of graphical passwords by comparing different categories of graphical passwords with the ISO 9126 model. The ISO 9126 model is divided into six parts, which are usability, reliability, functionality, maintainability, efficiency, and portability. Each part listed is sub-categorised by the standard and is used to evaluate the quality of a product. Multiple graphical passwords are chosen from different classification of graphical passwords for thirty users to test and fill in the survey. Then a survey was conducted to compare each of these five categories of graphical passwords based on the ISO 9126 model. Thirty users of different ages and gender were invited to the booth to test the graphical password systems and fill in survey. The survey results as described in the article show us which category of graphical passwords contains more of the ISO 9126 characteristics