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학술지 Efficient Key Detection Method in the Correlation Electromagnetic Analysis Using Peak Selection Algorithm
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저자
강유성, 최두호, 정병호, 조현숙, 한동국
발행일
200912
출처
Journal of Communications and Networks, v.11 no.6, pp.556-563
ISSN
1229-2370
출판사
한국통신학회
DOI
https://dx.doi.org/10.1109/JCN.2009.6388409
협약과제
09MS5600, 부채널 공격 방지 원천 기술 및 안전성 검증 기술개발, 최두호
초록
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.
키워드
Correlation power analysis (CPA), Cryptanalysis, Electromagnetic analysis, Peak selection, Side channel attack (SCA)
KSP 제안 키워드
Advanced encryption standard, Correlation Coefficient, Correlation electromagnetic analysis, Detection Method, Side Channel Attacks, Side-channel analysis, Small devices, Smart Card, correlation power analysis(CPA), secret key, selection algorithm