NDLI: Towards a Formal Framework for Developing Secure Web Services

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Towards a Formal Framework for Developing Secure Web Services

Content Provider	IEEE Xplore Digital Library
Author	Haidar, A.N. Abdallah, A.E.
Copyright Year	2006
Description	Author affiliation: E-Security Res. Centre, London South Bank Univ. (Haidar, A.N.; Abdallah, A.E.)
Abstract	In this paper, we experiment with use of a formal framework for developing secure Web services (WSs) from components. The framework focuses on separating security requirements from the functional ones. For each component, the approach makes use of two complementary models: one is state-based, described in Z, and the other is event-based, expressed in Hoare's communicating sequential processes (CSP) process algebra. The former is particularly useful to capture persistent data and model "back-end" operations whereas the latter is particularly useful to model behaviour, and in particular, "front-end" interactions and communications. The whole system can then be seen in Z as a combination of the constituent components. In CSP the software architecture of the whole system could be viewed as a parallel composition of appropriate customization of the behaviour of relevant components. The CSP descriptions can be implemented as Web services using current technologies such as Java 2 Enterprise Edition (J2EE) and Microsoft's .NET framework. We illustrate this approach with a case study for a conference management system. With this approach, it is possible to specify the core functionalities of a system independently from the security mechanisms. Authentication and authorization are viewed as components which are carefully integrated with the global system
Sponsorship	Univ. Politecnica de Valencia Univ. di Siena
Starting Page	61
Ending Page	70
File Size	226525
Page Count	10
File Format	PDF
ISBN	0769528260
DOI	10.1109/WWV.2006.13
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-11-19
Publisher Place	Cyprus
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Authorization Web services Algebra Data security Buildings Authentication XML Simple object access protocol Proposals Business
Content Type	Text
Resource Type	Article

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