A pre-processing composition for secret key recovery on Android smartphone

Yuto Nakano, Youssef Souissi, Robert Nguyen, Laurent Sauvage, Jean Luc Danger, Sylvain Guilley, Shinsaku Kiyomoto, Yutaka Miyake

Research output: Chapter in Book/Report/Conference proceedingConference contributionpeer-review

Abstract

Simple Side-Channel Analyses (SSCA) are known as techniques to uncover a cryptographic secret from one single spied waveform. Up to now, these very powerful attacks have been illustrated on simple devices which leakage was obvious. On more advanced targets, such as high-end processors of smartphones, a simple visual analysis of the waveforms might not be sufficient to read the secret at once. In this paper, we detail and explain how a composition of time-frequency pre-processings manages to extract the relevant information from one signal capture of an asymmetric cryptographic operation (RSA and ECC) running on an Android system. The lesson is that side-channel countermeasures must be applied even on advanced platforms such as smartphones to prevent secret information theft through the electromagnetic (EM) waveforms.

Original languageEnglish
Title of host publicationInformation Security Theory and Practice
Subtitle of host publicationSecuring the Internet of Things - 8th IFIP WG 11.2 International Workshop, WISTP 2014, Proceedings
PublisherSpringer Verlag
Pages76-91
Number of pages16
ISBN (Print)9783662438251
DOIs
Publication statusPublished - 1 Jan 2014
Externally publishedYes
Event8th IFIP WG 11.2 International Workshop on Information Security Theory and Practice: Securing the Internet of Things, WISTP 2014 - Heraklion, Crete, Greece
Duration: 30 Jun 20142 Jul 2014

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume8501 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference8th IFIP WG 11.2 International Workshop on Information Security Theory and Practice: Securing the Internet of Things, WISTP 2014
Country/TerritoryGreece
CityHeraklion, Crete
Period30/06/142/07/14

Keywords

  • Android smartphone
  • Asymmetric Cryptography
  • ECC
  • RSA
  • Simple Side-channel Attack
  • Time-frequency Pre-processing

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