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ZigBee is a wireless sensor network standard that defines network and application layers on top of IEEE 802.15.4's physical and medium access control layers. In the latest version of ZigBee, enhancements are prescribed for the security sublayer but we show in this paper that problems persist. In particular we show that the end-to-end application key establishment protocol is flawed and we propose...
Coordination languages for mobile, distributed systems constitute a good basis for the use of aspect-oriented features for providing a clear separation between the functionality and the security policies of programs. Allowing for a distributed definition of aspects, that jointly define a security policy, provide for a number of challenges regarding how to deal with conflicts and how to demonstrate...
Policy conformance is a security property gaining importance due to commercial interest like Digital Rights Management. It is well known that static analysis can be used to validate a number of more classical security policies, such as discretionary and mandatory access control policies, as well as communication protocols using symmetric and asymmetric cryptography. In this work we show how to develop...
In this paper we consider service oriented architectures where many components interact with one another using a wireless network. We are interested in questions like: ldr Can I be sure that I do not get unsolicited information from some service? - unless I give my permission? ldr Can I be sure that information I send to some service never is leaked to another service? - unless I give my permission?...
Recently there has been an increased research interest in applying process calculi in the verification of cryptographic protocols due to their ability to formally model protocols. This work presents LYSA with explicit confidentiality annotations for indicating the expected behavior of target protocols. A static analysis approach is developed for analyzing protocols specified in the extended LYSA....
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