The security protocols analyzer using extensions of SPi-calculus

This paper is about the tool called Janus for automated analysis of security protocol models. The type checking method that is a modern extension of SPi-calculus was implemented in Janus. The tool is based on windows GUI application. It provides graphical schema of analysis process and textual reports. This paper contains brief description of type checking, sample of protocol modeling and analysis, tool"s design and description. We also tried to compare Janus with some analogues.