Article | Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020 | The Use of Project Gutenberg and Hexagram Statistics to Help Solve Famous Unsolved Ciphers Linköping University Electronic Press Conference Proceedings
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Title:
The Use of Project Gutenberg and Hexagram Statistics to Help Solve Famous Unsolved Ciphers
Author:
Richard Bean: School of Information Technology and Electrical Engineering, University of Queensland, Australia
DOI:
https://doi.org/10.3384/ecp2020171005
Download:
Full text (pdf)
Year:
2020
Conference:
Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020
Issue:
171
Article no.:
005
Pages:
31-35
No. of pages:
5
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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Project Gutenberg, begun by Michael Hart in 1971, is an attempt to make public do-main electronic texts available to the public in an easily available and useable form. The number of available texts reached 60,000 by 2019. Classical cryptanalysis methods rely on the development and use of high-quality frequency tables of letter arrangements from a variety of sources. As the amount of text grows, frequency tables of higher orders can be developed and may provide more solving power for classical cryptographic algorithms. As a side-effect of the availability of a wide range of public domain texts, we were able to develop hexagram frequency tables of letters in the English language which were then a crucial factor to solving an unsolved transposition cipher of Mahon and Gillogly (2008). The texts themselves were then used as input to solve a book cipher of Thouless (1948) using the same scoring method.

Keywords: cryptanalysis; frequency tables; hill climbing; book ciphers

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

Author:
Richard Bean
Title:
The Use of Project Gutenberg and Hexagram Statistics to Help Solve Famous Unsolved Ciphers
DOI:
10.3384/ecp2020171005
References:
No references available

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

Author:
Richard Bean
Title:
The Use of Project Gutenberg and Hexagram Statistics to Help Solve Famous Unsolved Ciphers
DOI:
https://doi.org10.3384/ecp2020171005
Note: the following are taken directly from CrossRef
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Last updated: 2019-11-06