Formal Verification of the xDAuth Protocol

Alam, Q. and Tabbasum, S. and Malik, S.U.R. and Alam, M. and Ali, T. and Akhunzada, A. and Khan, S.U. and Vasilakos, A.V. and Buyya, R. (2016) Formal Verification of the xDAuth Protocol. IEEE Transactions on Information Forensics and Security, 11 (9). pp. 1956-1969. ISSN 1556-6013

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Official URL: https://doi.org/10.1109/TIFS.2016.2561909

Abstract

Service-oriented architecture offers a flexible paradigm for information flow among collaborating organizations. As information moves out of an organization boundary, various security concerns may arise, such as confidentiality, integrity, and authenticity that needs to be addressed. Moreover, verifying the correctness of the communication protocol is also an important factor. This paper focuses on the formal verification of the xDAuth protocol, which is one of the prominent protocols for identity management in cross domain scenarios. We have modeled the information flow of xDAuth protocol using high-level Petri nets to understand the protocol information flow in a distributed environment. We analyze the rules of information flow using Z language, while Z3 SMT solver is used for the verification of the model. Our formal analysis and verification results reveal the fact that the protocol fulfills its intended purpose and provides the security for the defined protocol specific properties, e.g., secure secret key authentication, and Chinese wall security policy and secrecy specific properties, e.g., confidentiality, integrity, and authenticity.

Item Type: Article
Uncontrolled Keywords: Cross domain access control framework; Formal methods; High-level Petri nets (HLPN); Information security; Modeling; Verification; SMT; Service oriented architecture (SOA); xDAuth protocol; Z3
Subjects: Q Science > QA Mathematics > QA75 Electronic computers. Computer science
Divisions: Faculty of Computer Science & Information Technology
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 09 Nov 2017 03:28
Last Modified: 09 Nov 2017 03:28
URI: http://eprints.um.edu.my/id/eprint/18188

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