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 language | English |
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Title of host publication | Information Security and Cryptology - ICISC 2009 - 12th International Conference, Revised Selected Papers |
Pages | 73-86 |
Number of pages | 14 |
DOIs | |
Publication status | Published - 2010 |
Externally published | Yes |
Event | 12th International Conference on Information Security and Cryptology, ICISC 2009 - Seoul, Korea, Republic of Duration: 2 Dec 2009 → 4 Dec 2009 |
Publication series
Name | Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) |
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Volume | 5984 LNCS |
ISSN (Print) | 0302-9743 |
ISSN (Electronic) | 1611-3349 |
Conference
Conference | 12th International Conference on Information Security and Cryptology, ICISC 2009 |
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Country/Territory | Korea, Republic of |
City | Seoul |
Period | 2/12/09 → 4/12/09 |
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Erickson, J., Ding, J., & Christensen, C. (2010). Algebraic cryptanalysis of SMS4: Gröbner basis attack and SAT attack compared. In Information Security and Cryptology - ICISC 2009 - 12th International Conference, Revised Selected Papers (pp. 73-86). (Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics); Vol. 5984 LNCS). https://doi.org/10.1007/978-3-642-14423-3_6