Practical Attacks on the Maelstrom-0 Compression Function

Stefan Kölbl, Florian Mendel

Research output: Chapter in Book/Report/Conference proceedingArticle in proceedingsResearchpeer-review

Abstract

In this paper we present attacks on the compression function of Maelstrom-0. It is based on the Whirlpool hash function standardized by ISO and was designed to be a faster and more robust enhancement. We analyze the compression function and use differential cryptanalysis to construct collisions for reduced variants of the Maelstrom-0 compression function. The attacks presented in this paper are of practical complexity and show significant weaknesses in the construction compared to its predecessor. The methods used are based on recent results in the analysis of AES-based hash functions.
Original languageEnglish
Title of host publicationApplied Cryptography and Network Security : 9th International Conference, ACNS 2011, Nerja, Spain, June 7-10, 2011. Proceedings
PublisherSpringer
Publication date2011
Pages449-461
ISBN (Print)978-3-642-21553-7
ISBN (Electronic)978-3-642-21554-4
DOIs
Publication statusPublished - 2011
Externally publishedYes
Event9th International Conference on Applied Cryptography and Network Security (ACNS 2011) - Nerja, Spain
Duration: 7 Jun 201110 Jun 2011

Conference

Conference9th International Conference on Applied Cryptography and Network Security (ACNS 2011)
Country/TerritorySpain
CityNerja
Period07/06/201110/06/2011
SeriesLecture Notes in Computer Science
Volume6715
ISSN0302-9743

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