Extending statecharts with process algebra operators

Frappier, Marc; Gervais, Frédéríc; Laleau, Régine; Fraikin, Benoît; St-Denis, Richard

doi:10.1007/s11334-008-0064-1

Cited by 24 publications

(16 citation statements)

References 19 publications

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“…In our methodology we propose to use SecureUML [19] to model static access control, and astd [8] diagrams for dynamic access control. Static access control is based on RBAC (Role-Based Access Control) [24], which describes authorizations granted to users on resources.…”

Section: Graphical Models For Access Controlmentioning

confidence: 99%

“…astd was introduced as an extension of Harel's Statecharts [11] and is based on operators from eb 3 [9] (a process algebra dedicated to IS specifications). Readers are invited to consult a formal and mathematical description of the astd notation in [8].…”

Section: The Astd Notationmentioning

confidence: 99%

“…In our approach, we have chosen to use SecureUML [19] to express static rules and the astd notation [8] for dynamic rules. These notations are presented in Sect.…”

Section: Introductionmentioning

confidence: 99%

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Combining UML, ASTD and B for the formal specification of an access control filter

Milhau¹,

Idani²,

Laleau³

et al. 2011

Innovations Syst Softw Eng

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International audienceCombination of formal and semi-formal methods is more and more required to produce specifications that can be, on the one hand, understood and thus validated by both designers and users and, on the other hand, precise enough to be verified by formal methods. This motivates our aim to use these complementary paradigms in order to deal with security aspects of information systems. This paper presents a methodology to specify access control policies starting with a set of graphical diagrams: UML for the functional model, SecureUML for static access control and ASTD for dynamic access control. These diagrams are then translated into a set of B machines. Finally, we present the formal specification of an access control filter that coordinates the different kinds of access control rules and the specification of functional operations. The goal of such B specifications is to rigorously check the access control policy of an information system taking advantage of tools from the B method

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Section: Graphical Models For Access Controlmentioning

confidence: 99%

Section: The Astd Notationmentioning

confidence: 99%

See 1 more Smart Citation

Combining UML, ASTD and B for the formal specification of an access control filter

Milhau¹,

Idani²,

Laleau³

et al. 2011

Innovations Syst Softw Eng

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show abstract

“…However, process algebra, despite their formal aspect, are not as easily understandable as semi-formal graphical notations, such as UML [13]. In order to address this issue, a formal notation combining graphical elements and process algebra was introduced: Algebraic State Transition Diagrams (astd) [8]. Using astd, one can specify the behavior of an IS.…”

Section: Introductionmentioning

confidence: 99%

Systematic Translation Rules from astd to Event-B

Milhau

Frappier

Gervais

et al. 2010

Lecture Notes in Computer Science

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Abstract. This article presents a set of translation rules to generate Event-B machines from process-algebra based specification languages such as astd. Illustrated by a case study, it details the rules and the process of the translation. The ultimate goal of this systematic translation is to take advantage of Rodin, the Event-B platform to perform proofs, animation and model-checking over the translated specification.

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“…In the third kind, the semantics resides in annotations (stereotypes). For instance, the semantics of Concurrent Sequential Processes [16] can be given to a uml state machine provided that a uml profile for Concurrent Sequential Processes [13] is defined. 4.…”

Section: Introductionmentioning

confidence: 99%

The clock constraint specification language for building timed causality models

Mallet

Deantoni

André

et al. 2009

Innovations Syst Softw Eng

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The uml Profile for Modeling and Analysis of Real-Time and Embedded (RTE) systems has recently been adopted by the OMG. Its Time Model extends the informal and simplistic Simple Time package proposed by Unified Modeling Language (UML2) and offers a broad range of capabilities required to model RTE systems including discrete/dense and chronometric/logical time. The Marte specification introduces a Time Structure inspired from several time models of the concurrency theory and proposes a new clock constraint specification language (ccsl) to specify, within the context of the uml, logical and chronometric time constraints. A semantic model in ccsl is attached to a (uml) model to give its timed causality semantics. In that sense, ccsl is comparable to the Ptolemy environment, in which directors give the semantics to models according to predefined models of computation and communication. This paper focuses on one historical model of computation of Ptolemy [Synchronous Data Flow (SDF)] and shows how to build SDF graphs by combining uml models and ccsl.

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Extending statecharts with process algebra operators

Cited by 24 publications

References 19 publications

Combining UML, ASTD and B for the formal specification of an access control filter

Combining UML, ASTD and B for the formal specification of an access control filter

Systematic Translation Rules from astd to Event-B

The clock constraint specification language for building timed causality models

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