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Title: A survey of microarchitectural side-channel vulnerabilities, attacks, and defenses in cryptography
Authors: Lou, Xiaoxuan
Zhang, Tianwei
Jiang, Jun
Zhang, Yinqian
Keywords: Engineering::Computer science and engineering::Computer systems organization::Computer system implementation
Issue Date: 2021
Source: Lou, X., Zhang, T., Jiang, J. & Zhang, Y. (2021). A survey of microarchitectural side-channel vulnerabilities, attacks, and defenses in cryptography. ACM Computing Surveys, 54(6), 122-.
Project: CHFA-GC1-AW03
Journal: ACM Computing Surveys
Abstract: Side-channel attacks have become a severe threat to the confidentiality of computer applications and systems. One popular type of such attacks is the microarchitectural attack, where the adversary exploits the hardware features to break the protection enforced by the operating system and steal the secrets from the program. In this article, we systematize microarchitectural side channels with a focus on attacks and defenses in cryptographic applications. We make three contributions. (1) We survey past research literature to categorize microarchitectural side-channel attacks. Since these are hardware attacks targeting software, we summarize the vulnerable implementations in software, as well as flawed designs in hardware. (2) We identify common strategies to mitigate microarchitectural attacks, from the application, OS, and hardware levels. (3) We conduct a large-scale evaluation on popular cryptographic applications in the real world and analyze the severity, practicality, and impact of side-channel vulnerabilities. This survey is expected to inspire sidechannel research community to discover new attacks, and more importantly, propose new defense solutions against them.
ISSN: 0360-0300
DOI: 10.1145/3456629
Rights: © 2021 Association for Computing Machinery. All rights reserved. This paper was published in ACM Computing Surveys and is made available with permission of Association for Computing Machinery.
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:SCSE Journal Articles

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