상세정보
학술지
Performance Enhancement of Differential Power Analysis Attacks With Signal Companding Methods
- 저자
- 류정춘, 한동국, 김성경, 이상진
- 발행일
- 200811
- 출처
- IEEE Signal Processing Letters, v.15, pp.625-628
- ISSN
- 1070-9908
- 출판사
- IEEE
- 협약과제
- 08MS2200, 안전한 RFID/USN을 위한 정보보호 기술 개발, 정교일
- 초록
- Among previous proposed side channel analysis (SCA) methods, differential power analysis (DPA) based on the statistical characteristics of collected signals has been known as an efficient attack for uncovering the secret key of cryptosystems. However, the attack performance of this method is affected very much by the temporal misalignment and noise of collected side channel signals. In this letter, we propose a new method to surmount the noise problem in DPA. The performance of the proposed method is then evaluated while analyzing the power consumption signals of microcontroller chip during a DES operation. When we compare the experimental results with respect to the needed number of traces to uncover the secret key, our proposed method shows a performance enhancement of 33% in the time domain and 50% in the frequency domain without a time burden. © 2008 IEEE.
- KSP 제안 키워드
- Companding methods, Differential power analysis attacks, Power Consumption, Side-channel analysis, Statistical characteristics, Temporal misalignment, frequency domain(FD), new method, performance enhancement, secret key, time-domain