InforLorV4, Hal, Corpus, bibRecord, 004A12

Task Delegation Based Access Control Models for Workflow Systems

Identifieur interne : 004A12 ( Hal/Corpus ); précédent : 004A11; suivant : 004A13

Task Delegation Based Access Control Models for Workflow Systems

Auteurs : Khaled Gaaloul ; François Charoy

Source :

RBID : Hal:inria-00431498

Abstract

e-Government organisations are facilitated and conducted using workflow management systems. Role-based access control (RBAC) is recognised as an efficient access control model for large organisations. The application of RBAC in workflow systems cannot, however, grant permissions to users dynamically while business processes are being executed. We currently observe a move away from predefined strict workflow modelling towards approaches supporting flexibility on the organisational level. One specific approach is that of task delegation. Task delegation is a mechanism that supports organisational flexibility, and ensures delegation of authority in access control systems. In this paper, we propose a Task-oriented Access Control (TAC) model based on RBAC to address these requirements. We aim to reason about task from organisational perspectives and resources perspectives to analyse and specify authorisation constraints. Moreover, we present a fine grained access control protocol to support delegation based on the TAC model.

Url:

https://hal.inria.fr/inria-00431498

Links to Exploration step

Hal:inria-00431498

Le document en format XML

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<front><div type="abstract" xml:lang="en">e-Government organisations are facilitated and conducted using workflow management systems. Role-based access control (RBAC) is recognised as an efficient access control model for large organisations. The application of RBAC in workflow systems cannot, however, grant permissions to users dynamically while business processes are being executed. We currently observe a move away from predefined strict workflow modelling towards approaches supporting flexibility on the organisational level. One specific approach is that of task delegation. Task delegation is a mechanism that supports organisational flexibility, and ensures delegation of authority in access control systems. In this paper, we propose a Task-oriented Access Control (TAC) model based on RBAC to address these requirements. We aim to reason about task from organisational perspectives and resources perspectives to analyse and specify authorisation constraints. Moreover, we present a fine grained access control protocol to support delegation based on the TAC model.</div>
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<sourceDesc><biblStruct><analytic><title xml:lang="en">Task Delegation Based Access Control Models for Workflow Systems</title>
<author role="aut"><persName><forename type="first">Khaled</forename>
<surname>Gaaloul</surname>
</persName>
<email>khaled.gaaloul@gmail.com</email>
<idno type="halAuthorId">446543</idno>
<affiliation ref="#struct-2349"></affiliation>
<affiliation ref="#struct-47391"></affiliation>
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<author role="aut"><persName><forename type="first">François</forename>
<surname>Charoy</surname>
</persName>
<email>Francois.Charoy@loria.fr</email>
<idno type="idHal">francois-charoy</idno>
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<monogr><meeting><title>The 9th IFIP Conference on e-Business, e-Services, and e-Society, I3E 2009</title>
<date type="start">2009-09-23</date>
<date type="end">2009-09-25</date>
<settlement>Nancy</settlement>
<country key="FR">France</country>
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<imprint><date type="datePub">2009-09-23</date>
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<abstract xml:lang="en">e-Government organisations are facilitated and conducted using workflow management systems. Role-based access control (RBAC) is recognised as an efficient access control model for large organisations. The application of RBAC in workflow systems cannot, however, grant permissions to users dynamically while business processes are being executed. We currently observe a move away from predefined strict workflow modelling towards approaches supporting flexibility on the organisational level. One specific approach is that of task delegation. Task delegation is a mechanism that supports organisational flexibility, and ensures delegation of authority in access control systems. In this paper, we propose a Task-oriented Access Control (TAC) model based on RBAC to address these requirements. We aim to reason about task from organisational perspectives and resources perspectives to analyse and specify authorisation constraints. Moreover, we present a fine grained access control protocol to support delegation based on the TAC model.</abstract>
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Task Delegation Based Access Control Models for Workflow Systems

Task Delegation Based Access Control Models for Workflow Systems

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