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The Computer Journal Advance Access originally published online on January 25, 2009
The Computer Journal 2009 52(7):824-849; doi:10.1093/comjnl/bxn065
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© The Author 2009. Published by Oxford University Press on behalf of The British Computer Society. All rights reserved. For Permissions, please email: journals.permissions@oxfordjournals.org

This article appears in the following The Computer Journal issue: Incorporating Profiling Expertise and Behaviour Special Issue [View the issue table of contents]

{lambda}_SAOP: A Security AOP Calculus1

D. Alhadidi, N. Belblidia, M. Debbabi* and P. Bhattacharya

Computer Security Laboratory (CSL), Concordia Institute for Information Systems Engineering, Concordia University, Montreal, Quebec, Canada H3G 1M8

* Corresponding author: debbabi{at}ciise.concordia.ca

Received 7 April 2008; revised 6 October 2008

This paper presents an aspect-oriented calculus for security called {lambda}_SAOP. It is based on the {lambda}_calculus and contains pointcuts that are relevant to security hardening of applications. The main contribution of the paper is a semantics for {lambda}_SAOP advice weaving in the presence of these pointcuts. We instrument the effect-based type inference system to inject advices into expressions during static typing. The proposed semantics for advice weaving is in the spirit of AspectJ, a prominent aspect-oriented programming language, where advices are injected before, after or around the join points that match their respective pointcuts. For this purpose, we accommodate the effect-based inference algorithm to take matching and weaving processes into consideration. In addition, we establish the required soundness and preservation proofs.

Key Words: Security • aspect-oriented programming • calculus

1 This research is the result of a fruitful collaboration with the Department of National Defense, Bell Canada and the DND/NSERC Research Partnership Program.

Handling editor: Chris Mitchell


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