NDLI: EM Frequency Domain Correlation Analysis on Cipher Chips

Content Provider	IEEE Xplore Digital Library
Author	Zhang Peng Deng Gaoming Zhao Qiang Chen Kaiyan
Copyright Year	2009
Abstract	Inserting random time delay into cipher device's running process is a general countermeasure against time domain correlation side channel attacks. In which way the interesting intermediate operations will occur at different time in different runs of the cipher. To break this countermeasure, based on the property that the data dependence of the electromagnetic(EM) signals emitted from the cipher chips can remain when they are transformed from time domain to frequency domain, and power spectrum density will not be affected by inserting random delays into time domain signals, this paper presents a new EM frequency domain correlation analysis. Experiments of EM frequency domain correlation analysis on a micro-controller implemented AES show that the genuine key of AES can still be revealed after inserting random delays in source code, while correlation analysis in time domain is invalid.
Starting Page	1729
Ending Page	1732
File Size	304599
Page Count	4
File Format	PDF
ISBN	9781424449095
e-ISBN	9781424457281
DOI	10.1109/ICISE.2009.542
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-12-26
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Fourier transforms Delay effects Time domain analysis Signal processing Electromagnetic modeling Information retrieval Electromagnetic analysis Signal analysis Frequency domain analysis Information analysis
Content Type	Text
Resource Type	Article

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