A survey of Intel SGX and its applications

doi:10.1007/s11704-019-9096-y

Front. Comput. Sci.

2021, Vol. 15

Issue (3) : 153808 https://doi.org/10.1007/s11704-019-9096-y

REVIEW ARTICLE

A survey of Intel SGX and its applications

Wei ZHENG¹(

), Ying WU¹, Xiaoxue WU¹, Chen FENG¹, Yulei SUI², Xiapu LUO³, Yajin ZHOU⁴

¹. School of Software and Microelectronics, Northwestern Polytechnical University, Xi’an 710129, China
². Faculty of Engineering and Information Technology, University of Technology Sydney, Sydney 2007, Australia
³. Department of Computing, The Hong Kong Polytechnic University, Hong Kong 999077, China
⁴. College of Computer Science and Technology, Zhejiang University, Hangzhou 310027, China

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Abstract

This paper presents a comprehensive survey on the development of Intel SGX (software guard extensions) processors and its applications. With the advent of SGX in 2013 and its subsequent development, the corresponding research works are also increasing rapidly. In order to get a more comprehensive literature review related to SGX, we have made a systematic analysis of the related papers in this area. We first search through five large-scale paper retrieval libraries by keywords (i.e., ACM Digital Library, IEEE/IET Electronic Library, SpringerLink, Web of Science, and Elsevier Science Direct). We read and analyze a total of 128 SGX-related papers. The first round of extensive study is conducted to classify them. The second round of intensive study is carried out to complete a comprehensive analysis of the paper from various aspects. We start with the working environment of SGX and make a conclusive summary of trusted execution environment (TEE).We then focus on the applications of SGX. We also review and study multifarious attack methods to SGX framework and some recent security improvementsmade on SGX. Finally, we summarize the advantages and disadvantages of SGX with some future research opportunities. We hope this review could help the existing and future research works on SGX and its application for both developers and users.

Keywords Intel SGX cloud computing trusted execution environment TrustZone AMD SEV

Corresponding Author(s): Wei ZHENG

Just Accepted Date: 11 September 2019 Issue Date: 24 December 2020

Cite this article:

Wei ZHENG,Ying WU,Xiaoxue WU, et al. A survey of Intel SGX and its applications[J]. Front. Comput. Sci., 2021, 15(3): 153808.

URL:

https://academic.hep.com.cn/fcs/EN/10.1007/s11704-019-9096-y
https://academic.hep.com.cn/fcs/EN/Y2021/V15/I3/153808

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