Performance enhancement of differential power analysis attacks with signal companding methods

JeongChoon C. Ryoo, Dong Guk Han, Sung Kyoung Kim, Sangjin Lee

Research output: Contribution to journalArticle

5 Citations (Scopus)

Abstract

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.

Original languageEnglish
Pages (from-to)625-628
Number of pages4
JournalIEEE Signal Processing Letters
Volume15
DOIs
Publication statusPublished - 2008 Dec 1

Fingerprint

Differential Power Analysis
Microcontrollers
Cryptography
Electric power utilization
Enhancement
Attack
Side-channel Analysis
Microcontroller
Misalignment
Cryptosystem
Power Consumption
Frequency Domain
Time Domain
Chip
Trace
Side channel attack
Experimental Results

Keywords

  • A-law
  • Companding
  • Correlation power analysis
  • Differential power analysis
  • Side channel analysis

ASJC Scopus subject areas

  • Electrical and Electronic Engineering
  • Signal Processing
  • Applied Mathematics

Cite this

Performance enhancement of differential power analysis attacks with signal companding methods. / Ryoo, JeongChoon C.; Han, Dong Guk; Kim, Sung Kyoung; Lee, Sangjin.

In: IEEE Signal Processing Letters, Vol. 15, 01.12.2008, p. 625-628.

Research output: Contribution to journalArticle

Ryoo, JeongChoon C. ; Han, Dong Guk ; Kim, Sung Kyoung ; Lee, Sangjin. / Performance enhancement of differential power analysis attacks with signal companding methods. In: IEEE Signal Processing Letters. 2008 ; Vol. 15. pp. 625-628.
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