Kallel, Slim ; Charfi, Anis ; Mezini, Mira ; Jmaiel, Mohamed ; Klose, Karl (2009)
From Formal Access Control Policies to Runtime Enforcement Aspects.
In: Proceedings of the 1st International Symposium on Engineering Secure Software and Systems
doi: 10.1007/978-3-642-00199-4_2
Book Section, Bibliographie
Abstract
We present an approach that addresses both formal specification and verification as well as runtime enforcement of RBAC access control policies including application specific constraints such as separation of duties (SoD). We introduce Temporal Z, a formal language based on Z and temporal logic, which provides domain specific predicates for expressing RBAC and SoD constraints. An aspect-oriented language with domain specific concepts for RBAC and SoD constraints is used for the runtime enforcement of policies. Enforcement aspects are automatically generated from Temporal Z specifications hence avoiding the possibility of errors and inconsistencies that may be introduced when enforcement code is written manually. Furthermore, the use of aspects ensures the modularity of the enforcement code and its separation from the business logic.
| Item Type: | Book Section |
|---|---|
| Erschienen: | 2009 |
| Creators: | Kallel, Slim ; Charfi, Anis ; Mezini, Mira ; Jmaiel, Mohamed ; Klose, Karl |
| Type of entry: | Bibliographie |
| Title: | From Formal Access Control Policies to Runtime Enforcement Aspects |
| Language: | English |
| Date: | 2009 |
| Place of Publication: | Berlin/Heidelberg, Germany |
| Book Title: | Proceedings of the 1st International Symposium on Engineering Secure Software and Systems |
| Series: | Lecture Notes In Computer Science |
| Series Volume: | 5429 |
| Event Title: | 1st International Symposium on Engineering Secure Software and Systems (ESSoS '09) |
| Event Location: | Leuven, Belgium |
| DOI: | 10.1007/978-3-642-00199-4_2 |
| Abstract: | We present an approach that addresses both formal specification and verification as well as runtime enforcement of RBAC access control policies including application specific constraints such as separation of duties (SoD). We introduce Temporal Z, a formal language based on Z and temporal logic, which provides domain specific predicates for expressing RBAC and SoD constraints. An aspect-oriented language with domain specific concepts for RBAC and SoD constraints is used for the runtime enforcement of policies. Enforcement aspects are automatically generated from Temporal Z specifications hence avoiding the possibility of errors and inconsistencies that may be introduced when enforcement code is written manually. Furthermore, the use of aspects ensures the modularity of the enforcement code and its separation from the business logic. |
| Divisions: | 20 Department of Computer Science 20 Department of Computer Science > Software Technology |
| Date Deposited: | 14 Sep 2009 07:16 |
| Last Modified: | 03 Jun 2018 21:23 |
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