Secure One-Way Hash Function Using Cellular Automata for IoT

Shyi-Tsong Wu () and Jieh-Ren Chang
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Shyi-Tsong Wu: Department of Electronic Engineering, National Ilan University, Yilan City 260007, Taiwan
Jieh-Ren Chang: Department of Electronic Engineering, National Ilan University, Yilan City 260007, Taiwan

Sustainability, 2023, vol. 15, issue 4, 1-18

Abstract: In the era of the Internet of Things (IoT), security is a very important issue. Recently, some security studies have been proposed based on the applications of Cellular Automata (CA). These works have the simplicity and high speed computation of CA, and are suitable for the resource-constrained IoT. In this paper, we make use of CA and propose a sliding-window CA (SWCA)-based one-way hash function. The sliding-window captures input data randomly for operation and promotes the chaos of the hash function. The proposed one-way hash function possesses high sensitivity to the input data and the one-way feature. Its performance exhibits good collision resistance along with well cryptographic characteristics. For statistical analysis, the mean changed probability is close to 50%. It can resist differential attack under the NPCR and UACI values, which are at least 99% and 33%, respectively.

Keywords: hash function; cellular automata; sliding-window; IoT (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2023
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