Article | Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020 | Cracking Matrix Modes of Operation with Goodness-of-Fit Statistics Linköping University Electronic Press Conference Proceedings
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Title:
Cracking Matrix Modes of Operation with Goodness-of-Fit Statistics
Author:
George Teseleanu: Advanced Technologies Institute, Bucharest, Romania and Simion Stoilow Institute of Mathematics of the Romanian Academy, Bucharest, Romania
DOI:
https://doi.org/10.3384/ecp2020171017
Download:
Full text (pdf)
Year:
2020
Conference:
Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020
Issue:
171
Article no.:
017
Pages:
135-145
No. of pages:
11
Publication type:
Abstract and Fulltext
Published:
2020-05-19
ISBN:
978-91-7929-827-2
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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The Hill cipher is a classical poly-alphabetical cipher based on matrices. Although known plaintext attacks for the Hill cipher have been known for almost a century, feasible ciphertext only attacks have been developed only about ten years ago and for small matrix dimensions. In this paper, we extend the ciphertext only attacks against the Hill cipher in two ways. First, we describe an attack against the affine version of the Hill cipher. Secondly, we show how to extend the (affine) Hill attack to several modes of operations. We also provide the reader with several experimental results and show how the message’s language can in?uence the presented attacks.

Keywords: cryptanalysis; Hill cipher; matrix encryption; modes of operation

Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020

Author:
George Teseleanu
Title:
Cracking Matrix Modes of Operation with Goodness-of-Fit Statistics
DOI:
10.3384/ecp2020171017
References:
No references available

Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020

Author:
George Teseleanu
Title:
Cracking Matrix Modes of Operation with Goodness-of-Fit Statistics
DOI:
https://doi.org10.3384/ecp2020171017
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Last updated: 2019-11-06