Integrating hardware and software information flow analyses

Fidge, Colin J. & Corney, Diane (2009) Integrating hardware and software information flow analyses. In ACM SIGPLAN/SIGBED 2009 Conference on Languages, Compilers, and Tools for Embedded Systems (LCTES 2009), 19-20 June 2009, Trinity College, Dublin.

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Security-critical communications devices must be evaluated to the highest possible standards before they can be deployed. This process includes tracing potential information flow through the device's electronic circuitry, for each of the device's operating modes. Increasingly, however, security functionality is being entrusted to embedded software running on microprocessors within such devices, so new strategies are needed for integrating information flow analyses of embedded program code with hardware analyses. Here we show how standard compiler principles can augment high-integrity security evaluations to allow seamless tracing of information flow through both the hardware and software of embedded systems. This is done by unifying input/output statements in embedded program execution paths with the hardware pins they access, and by associating significant software states with corresponding operating modes of the surrounding electronic circuitry.

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ID Code: 27650
Item Type: Conference Paper
Refereed: Yes
Keywords: Information security, Computer program analysis, Embedded systems
ISBN: 9781605583563
Subjects: Australian and New Zealand Standard Research Classification > INFORMATION AND COMPUTING SCIENCES (080000) > COMPUTER SOFTWARE (080300) > Computer System Security (080303)
Divisions: Past > QUT Faculties & Divisions > Faculty of Science and Technology
Past > Institutes > Information Security Institute
Copyright Owner: Copyright 2009 Association for Computing Machinery
Copyright Statement: "© ACM, 2009. This is the author's version of the work. It is posted here by permission of ACM for your personal use. Not for redistribution.
Deposited On: 30 Sep 2009 22:28
Last Modified: 22 Jul 2014 05:14

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