Smartcards are trusted personal devices designed to store and process confidential data, and to act as secure tokens for providing access to applications and services. Smartcards are widely deployed and their usage spans over several application domains including banking, telecommunications, and identity. Open platform smartcards are new generation trusted personal devices with increased flexibility. Such devices, which benefit of increased connectivity and increased interoperability, can host several applets and allow new applets to be loaded post-issuance. Such an increased flexibility raises concerns about the possibility of logical attacks that could affect a very large number of devices, and requires the development of techniques and tools that can be used to increase the reliability of platforms and applications for trusted personal devices. The objective of this chapter is to describe some applications of formal methods to increase the reliability of smartcards and trusted personal devices.
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