Welcome to the resource topic for 2020/727
Title:
An Easy-to-Use Tool for Rotational-XOR Cryptanalysis of ARX Block Ciphers
Authors: Adrian Ranea, Yunwen Liu, Tomer Ashur
Abstract:An increasing number of lightweight cryptographic primitives have been published recently. Some of these proposals are ARX primitives, which have shown a great performance in software. Rotational-XOR cryptanalysis is a statistical technique to attack ARX primitives. In this paper, a computer tool to speed up and make easier the security evaluation of ARX block ciphers against rotational-XOR cryptanalysis is shown. Our tool takes a Python implementation of an ARX block cipher and automatically finds an optimal rotational-XOR characteristic. Compared to most of the automated tools, which only support a small set of primitives, our tool supports any ARX block cipher and it is executed with a simple shell command.
ePrint: https://eprint.iacr.org/2020/727
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