Istituto di Informatica e Telematica     
Costa G., Matteucci I. Gate automata-driven run-time enforcement. In: Computers & Mathematics With Applications, vol. 63 (2) pp. 518 - 524. Elsevier, 2012.
Security and trust represent two different perspectives on the problem of guaranteeing the correct interaction among software components. Gate automata have been proposed as a formalism for the specification of both security and trust policies in the scope of the Security-by-Contract-with-Trust (SCT) framework. Indeed, they watch the execution of a target program, possibly modifying its behaviour, and produce a feedback for the trust management system. The level of trust changes the environment settings by dynamically activating/deactivating some of the defined gate automata. The goal of this paper is to present gate automata and to show a gate automata-driven strategy for the run-time enforcement in the SCT.
DOI: 10.1016/j.camwa.2011.08.046
Subject Security-by-Contract-with-Trust
Gate automata
Interface automata
Contract monitoring
K.6.5 Security and Protection

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