Proceedings of the 4th International Conference on Historical Cryptology HistoCrypt 2021

We are very pleased to present the proceedings of the 4th International Conference on Historical Cryptology, HISTOCRYPT 2021. Due to the COVID-19 pandemic, the respective conference has been postponed to June 2022 in Amsterdam, the Netherlands. This means that all accepted papers and posters from 2021 will be presented together with the next year’s contributions in Amsterdam in 2022.

Series: Linköping Electronic Conference Proceedings 183
ISSN: 1650-3686 (print), 1650-3740 (online)

Series: NEALT Proceedings Series 48
ISSN: 1736-8197 (print), 1736-6305 (online)

Editor: Carola Dahlke
ISBN: 978-91-7929-026-9

DOI: https://doi.org/10.3384/ecp183

Published: 2021-08-09

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Proceeding (PDF)

Preface

Carola Dahlke

v-viii
- PDF
HCPortal Modules for Teaching and Promoting Cryptology

Eugen Antal, Pavol Zajac

1-11
- PDF
Solving a Mystery From the Thirty Years’War: Karel Rabenhaupt ze Such´e’s Encrypted Letter to Landgravine Amalie Elisabeth

Eugen Antal, Pavol Zajac, Jakub Mírka

12-24
- PDF
Cryptodiagnosis of “Kryptos K4”

Richard Bean

25-33
- PDF
Unsupervised Alphabet Matching in Historical Encrypted Manuscript Images

Jialuo Chen, Mohamed Ali Souibgui, Alicia Fornés, Beáta Megyesi

34-37
- PDF
The Imperial Japanese Navy IKA Cipher Machine

Chris Christensen

38-47
- PDF
Island Ramanacoil a Bridge too Far. A Dutch Ciphertext from 1674

Jörgen Dinnissen, Nils Kopal

48-57
- PDF
3D Digitalization of historical cipher machines using computed tomography

Matthias Göggerle, Carola Dahlke

58-61
- PDF
Documents of Polish-Soviet War of 1919-1920 Codebreaking

Marek Grajek

62-69
- PDF
Experimental Analysis of the Dorabella Cipher with Statistical Language Models

Bradley Hauer, Colin Choi, Anirudh S. Sundar, Abram Hindle, Scott Smallwood, Grzegorz Kondrak

70-79
- PDF
Two Encrypted Diplomatic Letters Sent by Jan Chodkiewicz to Emperor Maximilian II in 1574-1575

Nils Kopal, Michelle Waldispühl

80-89
- PDF
An alchemical cipher in a shared notebook of John and Arthur Dee (Sloane MS 1902) [Work In Progress]

Sarah Lang, Megan Piorko

90-93
- PDF
Deciphering a Letter to Louis XIV from his Ambassador to the Dutch Republic, le Comte d’Avaux, 1684

George Lasry

94-100
- PDF
Modern Cryptanalysis of Schlüsselgerät 41

George Lasry

101-110
- PDF
A Massive Machine-Learning Approach For Classical Cipher Type Detection Using Feature Engineering

Ernst Leierzopf, Nils Kopal, Bernhard Esslinger, Harald Lampesberger, Eckehard Hermann

111-120
- PDF
Key Design in the Early Modern Era in Europe

Béata Megyesi, Crina Tudor, Benedek Láng, Anna Lehofer

121-130
- PDF
Cryptographic postcards

Tobias Schrödel

131-136
- PDF
The American Army Bombe

Dermot Turing

137-142
- PDF
The Upplandic Non-Lexical Rune Stones: Ciphers or Nonsense?

Victor Wase

143-149
- PDF

Proceedings of the 4th International Conference on Historical Cryptology HistoCrypt 2021

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Contents