Algebraic cryptanalysis of SMS4: Gröbner basis attack and SAT attack compared

Jeremy Erickson*, Jintai Ding, Chris Christensen

*Corresponding author for this work

Research output: Chapter in Book or Report/Conference proceedingConference Proceedingpeer-review

16 Citations (Scopus)

Abstract

The SMS4 block cipher is part of the Chinese WAPI wireless standard. This paper describes the specification and offers a specification for a toy version called simplified SMS4 (S-SMS4). We explore algebraic attacks on SMS4 and S-SMS4 using Gröbner basis attacks on equation systems over GF(2) and GF(2 8), as well as attacks using a SAT solver derived from the GF(2) model. A comparison of SAT and Gröbner basis attacks is provided.

Original languageEnglish
Title of host publicationInformation Security and Cryptology - ICISC 2009 - 12th International Conference, Revised Selected Papers
Pages73-86
Number of pages14
DOIs
Publication statusPublished - 2010
Externally publishedYes
Event12th International Conference on Information Security and Cryptology, ICISC 2009 - Seoul, Korea, Republic of
Duration: 2 Dec 20094 Dec 2009

Publication series

NameLecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Volume5984 LNCS
ISSN (Print)0302-9743
ISSN (Electronic)1611-3349

Conference

Conference12th International Conference on Information Security and Cryptology, ICISC 2009
Country/TerritoryKorea, Republic of
CitySeoul
Period2/12/094/12/09

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