On the Effect of the Key-Expansion Algorithm in Simon-like Ciphers-Reference-Cited by-同舟云学术

On the Effect of the Key-Expansion Algorithm in Simon-like Ciphers

Published:2021-07-05 Issue: Volume: Page:
ISSN:0010-4620
Container-title:The Computer Journal
language:en
Short-container-title:

Author:

Lu Jinyu¹,Liu Yunwen¹,Ashur Tomer²,Li Chao¹

Affiliation:

1. College of Liberal Arts and Sciences, National University of Defense Technology, Hunan, Changsha 410073, P. R. China

2. imec-COSIC KU Leuven, Leuven-Heverlee 3001, Belgium TU Eindhoven, Eindhoven 5600 MB, the Netherlands

Abstract

Abstract In this work, we investigate how the choice of the key-expansion algorithm and its interaction with the round function affect the resistance of Simon-like ciphers against rotational-XOR cryptanalysis. We observe that, among the key-expansion algorithms we consider, Simon is most resistant, while Simeck is much less so. Implications on lightweight ciphers design are discussed and open questions are proposed.

Funder

National Natural Science Foundation of China

Natural Science Foundation of Hunan Province

Fonds Wetenschappelijk Onderzoek

Publisher

Oxford University Press (OUP)

Subject

General Computer Science

Link

http://academic.oup.com/comjnl/advance-article-pdf/doi/10.1093/comjnl/bxab082/38864690/bxab082.pdf

Reference37 articles.

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2. A block cipher for low energy;Banik,2015

3. The SIMON and SPECK families of lightweight block ciphers;Beaulieu;IACR Cryptol. ePrint Arch.,2013

4. Notes on the design and analysis of SIMON and SPECK;Beaulieu;IACR Cryptol. ePrint Arch.,2017

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