Improved Preimage Attacks on 3-Round Keccak-224/256

In this paper, we provide an improved method on preimage attacks of standard 3-round Keccak-224/256. Our method is based on the work by Li and Sun. Their strategy is to find a 2-block preimage instead of a 1-block one by constructing the first and second message blocks in two stages. Under this str...

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Bibliographic Details
Main Authors: Xiaoen Lin, Le He, Hongbo Yu
Format: Article
Language:English
Published: Ruhr-Universität Bochum 2021-09-01
Series:IACR Transactions on Symmetric Cryptology
Subjects:
Online Access:https://tosc.iacr.org/index.php/ToSC/article/view/9175