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Title: On comparing side-channel properties of AES and ChaCha20 on microcontrollers
Authors: Najm, Zakaria
Jap, Dirmanto
Jungk, Bernhard
Picek, Stjepan
Bhasin, Shivam
Keywords: Side-Channel Attacks
Machine Learning
Engineering::Electrical and electronic engineering
Issue Date: 2018
Source: Najm, Z., Jap, D., Jungk, B., Picek, S., & Bhasin, S. (2018). On comparing side-channel properties of AES and ChaCha20 on microcontrollers. 2018 IEEE Asia Pacific Conference on Circuits and Systems (APCCAS). doi:10.1109/APCCAS.2018.8605653
Abstract: Side-channel attacks are a real threat to many secure systems. In this paper, we consider two ciphers used in the automotive industry - AES and ChaCha20 and we evaluate their resistance against side-channel attacks. In particular, the focus is laid upon the main non-linear component in these ciphers. Owing to the design of ChaCha20, it offers natural timing side-channel resistance and thus is suitable for affected applications. However, attacks exploiting the power side-channel are somewhat more difficult on ChaCha20 as compared to AES, but the overhead to protect ChaCha20 against such attack is considerably higher.
DOI: 10.1109/APCCAS.2018.8605653
Rights: © 2018 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other uses, in any current or future media, including reprinting/republishing this material for advertising or promotional purposes, creating new collective works, for resale or redistribution to servers or lists, or reuse of any copyrighted component of this work in other works. The published version is available at:
Fulltext Permission: open
Fulltext Availability: With Fulltext
Appears in Collections:TL Conference Papers

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