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Affordable Separation on Embedded Platforms: Soft Reboot Enabled Virtualization on a Dual Mode System
RISE., Swedish ICT, SICS, Security Lab.ORCID-id: 0000-0003-3434-5640
RISE., Swedish ICT, SICS, Security Lab.ORCID-id: 0000-0001-8003-200x
RISE., Swedish ICT, SICS.
2014 (engelsk)Konferansepaper, Publicerat paper (Fagfellevurdert)
Abstract [en]

While security has become important in embedded systems, commodity operating systems often fail in effectively separating processes, mainly due to a too large trusted computing base. System virtualization can establish isolation already with a small code base, but many existing embedded CPU architectures have very limited virtualization hardware support, so that the performance impact is often non-negligible. Targeting both security and performance, we investigate an approach in which a few minor hardware additions together with virtualization offer protected execution in embedded systems while still allowing non-virtualized execution when secure services are not needed. Benchmarks of a prototype implementation on an emulated ARM Cortex A8 platform confirm that switching between those two execution forms can be done efficiently.

sted, utgiver, år, opplag, sider
2014, 8. s. 37-54
Emneord [en]
Dual Mode Separation Soft Reboot Virtualization Hypervisor Embedded Systems Security
HSV kategori
Identifikatorer
URN: urn:nbn:se:ri:diva-24327DOI: 10.1007/978-3-319-08593-7_3Scopus ID: 2-s2.0-84904168680OAI: oai:DiVA.org:ri-24327DiVA, id: diva2:1043407
Konferanse
Trust & Trustworthy Computing (TRUST) 2014
Prosjekter
PROSPERNSHIELD
Merknad

This is the author version of the correspondent paper published in the proceedings of TRUST 2014 (editors: Thorsten Holz, Sotiris Ioannidis), Springer LNCS 8564. The publisher is Springer International Publishing Switzerland. The final publication is available at http://link.springer.com/10.1007/978-3-319-08593-7_3.

Tilgjengelig fra: 2016-10-31 Laget: 2016-10-31 Sist oppdatert: 2020-12-01bibliografisk kontrollert

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