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Masks will fall off higher-order optimal distinguishers

  • CNRS LTCI
  • STMicroelectronics SA, France
  • Secure-IC SAS

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41 Citations (Scopus)

Résumé

Higher-order side-channel attacks are able to break the security of cryptographic implementations even if they are protected with masking countermeasures. In this paper, we derive the best possible distinguishers (High-Order Optimal Distinguishers or HOOD) against masking schemes under the assumption that the attacker can profile. Our exact derivation admits simple approximate expressions for high and low noise and shows to which extent the optimal distinguishers reduce to known attacks in the case where no profiling is possible. From these results, we can explain theoretically the empirical outcome of recent works on second-order distinguishers. In addition, we extend our analysis to any order and to the application to masked tables precomputation. Our results give some insight on which distinguishers have to be considered in the security analysis of cryptographic devices.

langue originaleAnglais
titreAdvances in Cryptology - ASIACRYPT 2014 - 20th International Conference on the Theory and Application of Cryptology and Information Security, Proceedings, Part II
rédacteurs en chefPalash Sarkar, Tetsu Iwata
EditeurSpringer Verlag
Pages344-365
Nombre de pages22
ISBN (Electronique)9783662456071
Les DOIs
étatPublié - 1 janv. 2014
Modification externeOui
Evénement20th International Conference on the Theory and Application of Cryptology and Information Security, ASIACRYPT 2014 - Kaoshiung, Taiwan
Durée: 7 déc. 201411 déc. 2014

Série de publications

NomLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume8874
ISSN (imprimé)0302-9743
ISSN (Electronique)1611-3349

Une conférence

Une conférence20th International Conference on the Theory and Application of Cryptology and Information Security, ASIACRYPT 2014
Pays/TerritoireTaiwan
La villeKaoshiung
période7/12/1411/12/14

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