[Resource Topic] 2021/547: Cube Attack against 843-Round Trivium

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Title:
Cube Attack against 843-Round Trivium

Authors: Yao Sun

Abstract:

Cube attack has recently been proved as the most effective approach of attacking Trivium. So far, the attack against the highest round-reduced Trivium was given in EUROCRYPT 2020, where key-recovery attacks on 840-, 841-, and 842-round Trivium were presented. By revealing the relation between three-subset division property without unknown subset and the monomials of superpolys, Hu et al. obtained more attacks on 840-, 841-, and 842-round Trivium with lower complexities in ASIACRYPT 2020. In this short paper, we will present a key-recovery cube attack against 843-round Trivium.

ePrint: https://eprint.iacr.org/2021/547

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