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Journal Article Efficient Key Detection Method in the Correlation Electromagnetic Analysis Using Peak Selection Algorithm
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Authors
You Sung Kang, Doo Ho Choi, Byung Ho Chung, Hyun Sook Cho, Dong-Guk Han
Issue Date
2009-12
Citation
Journal of Communications and Networks, v.11, no.6, pp.556-563
ISSN
1229-2370
Publisher
한국통신학회
Language
English
Type
Journal Article
DOI
https://dx.doi.org/10.1109/JCN.2009.6388409
Project Code
09MS5600, Development of the Technology of Side Channel Attack Countermeasure Primitives and Security Validation, Choi Doo Ho
Abstract
A side channel analysis is a very efficient attack against small devices such as smart cards and wireless sensor nodes. In this paper, we propose an efficient key detection method using a peak selection algorithm in order to find the advanced encryption standard secret key from electromagnetic signals. The proposed method is applied to a correlation electromagnetic analysis (CEMA) attack against a wireless sensor node. Our approach results in increase in the correlation coefficient in comparison with the general CEMA. The experimental results show that the proposed method can efficiently and reliably uncover the entire 128-bit key with a small number of traces, whereas some extant methods can reveal only partial subkeys by using a large number of traces in the same conditions. © 2009 KICS.
KSP Keywords
Advanced encryption standard, Correlation Coefficient, Correlation electromagnetic analysis, Detection Method, Side-channel analysis, Small devices, Smart Card, secret key, selection algorithm, wireless sensor node