NDLI: Redefining the transparency order

Content Provider	Springer Nature Link
Author	Chakraborty, Kaushik Maitra, Subhamoy Mukhopadhyay, Debdeep Prouff, Emmanuel Sarkar, Sumanta Mazumdar, Bodhisatwa
Copyright Year	2016
Abstract	In this paper, we consider the multi-bit Differential Power Analysis (DPA) in the Hamming weight model. In this regard, we revisit the definition of Transparency Order ( $$\mathsf {TO}$$ ) from the work of Prouff (FSE 2005) and find that the definition has certain limitations. Although this work has been quite well referred in the literature, surprisingly, these limitations remained unexplored for almost a decade. We analyse the definition from scratch, modify it and finally provide a definition with better insight that can theoretically capture DPA in Hamming weight model for hardware implementation with precharge logic. At the end, we confront the notion of (revised) transparency order with attack simulations in order to study to what extent the low transparency order of an s-box impacts the efficiency of a side channel attack against its processing. To the best of our knowledge, this is the first time that such a critical analysis is conducted (even considering the original notion of Prouff). It practically confirms that the transparency order is indeed related to the resistance of the s-box against side-channel attacks, but it also shows that it is not sufficient alone to directly achieve a satisfying level of security. Regarding this point, our conclusion is that the (revised) transparency order is a valuable criterion to consider when designing a cryptographic algorithm, and even if it does not preclude to also use classical countermeasures like masking or shuffling, it enables to improve their effectiveness.
Ending Page	115
Page Count	21
Starting Page	95
File Format	PDF
ISSN	09251022
e-ISSN	15737586
Journal	Designs, Codes and Cryptography
Issue Number	1-2
Volume Number	82
Language	English
Publisher	Springer US
Publisher Date	2016-07-23
Publisher Place	New York
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	PRINCE Walsh spectrum Information and Communication, Circuits Data Encryption Cross-correlation AES Data Structures, Cryptology and Information Theory Auto-correlation Discrete Mathematics in Computer Science S-box Transparency order Coding and Information Theory Cryptography Combinatorics Differential power analysis
Content Type	Text
Resource Type	Article
Subject	Applied Mathematics Discrete Mathematics and Combinatorics Theoretical Computer Science Computer Science Applications

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