Journal article Open Access

Safe and secure software updates on high-performance mixed-criticality systems: The UP2DATE approach

Irune Agirre; Irune Yarza; Imanol Mugarza; Jacopo Binchi; Peio Onaindia; Tomaso Poggi; Francisco J. Cazorla; Leonidas Kosmidis; Kim Grüttner; Patrick Uven; Mohammed Abuteir; Jan Loewe; Juan M. Orbegozo; Stefania Botta

Over-The-Air Software Updates (OTASU) are gaining popularity on the safety-critical domain. The motivation behind this trend is twofold. On the one hand, the ability of adding new functionality and services to the system without a complete redesign makes product makers more competitive and improves user experience. On the other hand, the increasing connectivity of emerging embedded devices makes OTASU a crucial cyber-security demand to keep the system up-to-date with latest security patches. However, the application of OTASU in the safety-critical domain is not straightforward, as they are not contemplated by current functional safety standards. The UP2DATE European H2020 project, seeks to provide solutions to cope with the challenging requirements of safety and security standards with respect to software updates. This paper gives an overview of UP2DATE, its foundations and the initial description of its safe and secure architecture that builds around composability and modularity on heterogeneous high-performance platforms.

This is the author's version of the work. It is posted here for your personal use. Not for redistribution. The definitive Version of Record was published in Microprocessors and Microsystems, Volume 87, 2021, 104351, ISSN 0141-9331, https://doi.org/10.1016/j.micpro.2021.104351.
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