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Bibliographic record number: 685419

Journal

Authors: Picek, Stjepan; Ege, Baris; Batina, Lejla; Jakobović, Domagoj; Chmielewski, Lukasz; Golub, Marin
Title: On Using Genetic Algorithms for Intrinsic Side-channel Resistance: The Case of AES S-box
( On Using Genetic Algorithms for Intrinsic Side-channel Resistance: The Case of AES S-box )
Source: Proceedings of the First Workshop on Cryptography and Security in Computing SystemsACM , 2014. 13-18 (ISBN: 978-1-4503-2484-7).
Meeting: First Workshop on Cryptography and Security in Computing Systems
Location and date: Austrija, 20-21.01.2014.
Keywords: S-box ; block ciphers ; genetic algorithms ; side-channel analysis ; transparency order
( S-box ; block ciphers ; genetic algorithms ; side-channel analysis ; transparency order )
Abstract:
Finding balanced S-boxes with high nonlinearity and low transparency order is a difficult problem. The property of transparency order is important since it specifies the resilience of an S-box against differential power analysis. Better values for transparency order and hence improved side-channel security often imply less in terms of nonlinearity. Therefore, it is impossible to find an S-box with all optimal values. Currently, there are no algebraic procedures that can give the preferred and complete set of properties for an S-box. In this paper, we employ evolutionary algorithms to find S-boxes with desired cryptographic properties. Specifically, we conduct experiments for the 8×8 S-box case as used in the AES standard. The results of our experiments proved the feasibility of finding S-boxes with the desired properties in the case of AES. In addition, we show preliminary results of side-channel experiments on different versions of "improved" S-boxes.
Type of meeting: Predavanje
Type of presentation in a journal: Full-text (1500 words and more)
Type of peer-review: International peer-review
Project / theme: 036-0362980-1921
Original language: eng
Category: Znanstveni
Research fields:
Computer science
Full paper text: 685419.CTRSA.pdf (tekst priložen 24. Sij. 2014. u 09:38 sati)
Contrib. to CROSBI by: Domagoj Jakobović (domagoj.jakobovic@fer.hr), 24. Sij. 2014. u 09:38 sati



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