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Paper 2021/1311

Power analysis attack on Kyber

Alexandre Karlov and Natacha Linard de Guertechin

Abstract

This paper describes a practical side-channel power analysis on CRYSTALS-Kyber key-encapsulation mechanism. In particular, we analyse the polynomial multiplication in the decapsulation phase to recover the secret key in a semi-static setting. The power analysis attack was performed against the KYBER512 implementation from pqm4 running on STM32F3 M4-cortex CPU.

Metadata
Available format(s)
PDF
Category
Implementation
Publication info
Preprint. MINOR revision.
Keywords
Kyberlattice-based cryptographyside-channel attackscorrelation power analysis
Contact author(s)
alexandre karlov @ cysec com
History
2021-09-28: received
Short URL
https://ia.cr/2021/1311
License
Creative Commons Attribution
CC BY
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