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Analysing security protocols using refinement in iUML-B

Record type: Conference or Workshop Item (Paper)

We propose a general approach based on abstraction and refinement for constructing and analysing security protocols using formal specification and verification. We use class diagrams to specify conceptual system entities and their relationships. We use state-machines to model the protocol execution involving the entities' interactions. Features of our approach include specifying security principles as invariants of some abstract model of the overall system. The specification is then refined to introduce implementable mechanisms for the protocol. A gluing invariant specifies why the protocol achieves the security principle. Security breaches arise as violations of the gluing invariant. We make use of both theorem proving and model checking techniques to analyse our formal model, in particular, to explore the source and consequence of the security attack. To demonstrate the use of our approach we explore the mechanism of a security attack in a network protocol.

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Citation

Snook, Colin, Hoang, Thai Son and Butler, Michael (2017) Analysing security protocols using refinement in iUML-B At 9th NASA Formal Methods Symposium, Moffett Field, CA, United States. 16 - 18 May 2017. 15 pp, pp. 84-98.

More information

Accepted/In Press date: 4 February 2017
Published date: 16 May 2017
Venue - Dates: 9th NASA Formal Methods Symposium, Moffett Field, CA, United States, 2017-05-16 - 2017-05-18
Keywords: Virtual LAN, Security, Event-B, iUML-B
Organisations: Faculty of Physical Sciences and Engineering, Electronic & Software Systems

Identifiers

Local EPrints ID: 406508
URI: http://eprints.soton.ac.uk/id/eprint/406508
PURE UUID: 2dfb641f-61d1-4537-b7e2-8133af981d30
ORCID for Colin Snook: ORCID iD orcid.org/0000-0002-0210-0983
ORCID for Thai Son Hoang: ORCID iD orcid.org/0000-0003-4095-0732
ORCID for Michael Butler: ORCID iD orcid.org/0000-0003-4642-5373

Catalogue record

Date deposited: 18 Mar 2017 02:21
Last modified: 11 Aug 2017 16:31

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Contributors

Author: Colin Snook ORCID iD
Author: Thai Son Hoang ORCID iD
Author: Michael Butler ORCID iD

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