We present the formalization of a recent electronic voting scheme using GSM mobile technology (GVS) in the applied pi calculus and analyze its privacy property. A refined threat model considering not only the attacks from outsiders but also from the insiders and the collusion between them, is defined to represent the hostile voting environment, in which the privacy property is analyzed.
['Xinxin Liu', 'Shaohua Tang']
Formal Privacy Analysis of an Electronic Voting Scheme