Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/88109
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Title: Minitee-a lightweight trustzone-assisted TEE for real-time systems
Authors: Liu, SR 
Guan, N 
Guo, ZS
Yi, W
Issue Date: Jul-2020
Source: Electronics (Switzerland), July 2020, v. 9, no. 7, 1130, p. 1-18
Abstract: While trusted execution environments (TEEs) provide industry standard security and isolation, TEE requests through secure monitor calls (SMCs) attribute to large time overhead and weakened temporal predictability. Moreover, as current available TEE solutions are designed for Linux and/or Android initially, it will encounter many constraints (e.g., driver libraries incompatible, large memory footprint, etc.) when integrating with low-end Real-Time Operating Systems, RTOSs. In this paper, we present MiniTEE to understand, evaluate and discuss the benefits and limitations when integrating TrustZone-assisted TEEs with RTOSs. We demonstrate how MiniTEE can be adequately exploited for meeting the real-time needs, while presenting a low performance overhead to the rich OSs (i.e., low-end RTOSs).
Keywords: Real-time system
ARM TrustZone
Trusted execution environment
Publisher: MDPI
Journal: Electronics (Switzerland) 
EISSN: 2079-9292
DOI: 10.3390/electronics9071130
Rights: © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
The following publication Liu, S.; Guan, N.; Guo, Z.; Yi, W. MiniTEE—A Lightweight TrustZone-Assisted TEE for Real-Time Systems. Electronics 2020, 9, 1130 is available at https://dx.doi.org/10.3390/electronics9071130
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