DECRYPT Publications

2021

Láng, B. (forthc.a) The Rohonc code: tracing a historical riddle. 161 pages, accepted for publication by Penn State University Press: April, 2021.

Láng, B. (forthc.b) Transfer of knowledge in the field of universal language schemes 18th-19th centuries. In Lilla Krász, ed. Science between tradition and innovation, 2021. (accepted)

Waldispühl, M. (2021) Variation and Change. In Condorelli, M. & Rutkowska, H., The Cambridge Handbook of Historical Orthography. Cambridge: University Press. (accepted).

2020

Chen, J., Souibgui, M. A., Fornés, A., and Megyesi, B. (2020) A Web-based Interactive Transcription Tool for Encrypted Manuscripts. In Proceedings of the 3rd International Conference on Historical Cryptology. HistoCrypt 2020. pp. 52-59. Linköping Electronic Press. [https://ep.liu.se/ecp/article.aspissue=171&article=08&volume=0

Kopal N. (2020) Of Ciphers and Neurons – Detecting the Type of Ciphers Using Artificial Neural Networks. In Proceedings of the 3rd International Conference on Historical Cryptology. HistoCrypt 2020. pp. 77-86. Linköping Electronic Press. [https://ep.liu.se/ecp/article.asp?issue=171&article=011&volume=0]

Kopal N. and Waldispühl M. (2020) Deciphering Three Diplomatic Letters Sent by Maximilian II in 1575. Cryptologia. (accepted).

Láng, B. (2020) “Was it a Sudden Shift in Professionalization? Austrian Cryptology and a Description of the Staatskanzlei Key Collection in the Haus-, Hof- und Staatsarchiv of Vienna" In: Beata, Megyesi (ed.) In Proceedings of the 3rd International Conference on Historical Cryptology HistoCrypt 2020. Linköping University Electronic Press, Linköpings universitet, (2020) p. 87 [https://ep.liu.se/ecp/article.asp?issue=171&article=012&volume=0

Lasry, G. (2020) Solving a Tunny Challenge with Computerized Testery Methods. In Proceedings of the 3rd International Conference on Historical Cryptology. HistoCrypt 2020. [https://ep.liu.se/ecp/article.asp?issue=171&article=013&volume=0]

Lasry, G., Megyesi, B., and Kopal, N. (2020) Deciphering Papal Ciphers from the 16th to the 18th Century. Cryptologia [https://www.tandfonline.com/doi/full/10.1080/01611194.2020.1755915].

Lasry, G., Niebel, I., and Andersson, T. (2020) Deciphering German Diplomatic and Naval Attaché Messages from 1900-1915. Cryptologia. [https://www.tandfonline.com/doi/pdf/10.1080/01611194.2020.1755914?needAccess=true]

Lehofer, A. (2020) Decrypting Historical Ciphers - A Way of Mathematical Competence Development. Opus et Educatio. [http://opuseteducatio.hu/index.php/opusHU/article/view/381/665]

Megyesi, B. (2020a) Transcription of Ciphers and Keys. In Proceedings of the 3rd International Conference on Historical Cryptology. HistoCrypt 2020. pp. 106-115. Linköping Electronic Press. [https://ep.liu.se/ecp/article.asp?issue=171&article=014&volume=0]

Megyesi, B. (2020b) Transcription of Ciphers and Keys: Guidelines. Uppsala University. Sweden. [https://cl.lingfil.uu.se/~bea/publ/transcription-guidelines200221.pdf]

Megyesi, B., Esslinger, B., Fornés, A., Kopal, N., Láng, B., Lasry, G., de Leeuw, K., Pettersson, E., Wacker, A., and Waldispühl, M. (2020) Decryption of historical manuscripts: the DECRYPT project. Cryptologia. DOI: 10.1080/01611194.2020.1716410 [https://www.tandfonline.com/doi/full/10.1080/01611194.2020.1716410?scroll=top&needAccess=true]

Souibgui, M. A. and Kessentini Y. (2020) DE-GAN: A Conditional Generative Adversarial Network for Document Enhancement. IEEE Transactions on Pattern Analysis and Machine Intelligence (TPAMI) DOI: 10.1109/TPAMI.2020.3022406 [https://arxiv.org/pdf/2010.08764.pdf].

Souibgui, M. A., Kessentini, Y., and Fornés, A. (2020) A conditional GAN based approach for distorted camera captured documents recovery. In Proceedings of the 4th Mediterranean Conference on Pattern Recognition and Artificial Intelligence (MedPRAI2020) (accepted) [http://www.cvc.uab.es/people/afornes/publi/conferences/2020_MedPRAI_MSouibgui.pdf].

Souibgui, M. A., Fornés, A., Kessentini, Y., and Tudor, C. (2020) A Few-shot Learning Approach for Historical Ciphered Manuscript Recognition. In Proceedings of the 25th International Conference on Pattern Recognition (ICPR2020) (accepted) [http://www.cvc.uab.es/people/afornes/publi/conferences/2020_ICPR_MSouibgui.pdf].

Tudor, C, Megyesi, B, and Láng, B. (2020) Automatic Key Structure Extraction. In Proceedings of the 3rd International Conference on Historical Cryptology. HistoCrypt 2020. pp. 146-152. Linköping Electronic Press. [https://ep.liu.se/ecp/article.asp?issue=171&article=018&volume=0]

2019

Baró A., Chen, J., Fornés, A., and Megyesi, B. (2019) Towards a Generic Unsupervised Method for Transcription of Encoded Manuscripts. In Proceedings of the 3rd International Conference on Digital Access to Textual Cultural Heritage (DATeCH2019), May 2019 Brussels, Belgium. https://cl.lingfil.uu.se/~bea/publ/datech19.pdf

Kopal, N. (2019) Cryptanalysis of Homophonic Substitution Ciphers Using Simulated Annealing with Fixed Temperature. In Proceedings of the 2nd International Conference on Historical Cryptology, HistoCrypt 2019, June 23-25, 2019, Mons, Belgium. NEALT Proceedings Series 37, Linköping Electronic Press. [http://www.ep.liu.se/ecp/158/012/ecp19158012.pdf]

Láng, B. (2019) Dead ends in breaking an unknown cipher: experiences in the historiography of the Rohonc Codex Proceedings of the 2nd International Conference on Historical Cryptology, HistoCrypt 2019, June 23-26, 2019, Mons, Belgium, Belgium. NEALT Proceedings Series 37, Linköping Electronic Press. [https://ep.liu.se/ecp/158/006/ecp19158006.pdf]

Lasry, G. (2019) A Practical Meet-in-the-Middle Attack on SIGABA, Proceedings of the 2nd International Conference on Historical Cryptology, HistoCrypt 2019, June 23-26, 2019, Mons, Belgium, Belgium. NEALT Proceedings Series 37, Linköping Electronic Press. [https://ep.liu.se/ecp/158/005/ecp19158005.pdf]

Lasry, G. (2019) Solving a 40-Letter Playfair Challenge with CrypTool 2, Proceedings of the 2nd International Conference on Historical Cryptology, HistoCrypt 2019, June 23-26, 2019, Mons, Belgium. NEALT Proceedings Series 37, Linköping Electronic Press. [https://ep.liu.se/ecp/158/010/ecp19158010.pdf]

Lasry, G., Nils Kopal, and Arno Wacker. (2019) "Cryptanalysis of Enigma double indicators with hill climbing." Cryptologia 43.4: 267-292. [https://www.tandfonline.com/doi/abs/10.1080/01611194.2018.1551253]

Megyesi, B., Blomqvist, N., and Pettersson, E. (2019) The DECODE Database: Collection of Historical Ciphers and Keys. In Proceedings of the 2nd International Conference on Historical Cryptology. HistoCrypt 2019, June 23-25, 2019, Mons, Belgium. NEALT Proceedings Series 37, Linköping Electronic Press. [https://cl.lingfil.uu.se/~bea/publ/decode-histocrypt-2019.pdf]

Pettersson, E. and Megyesi, B. (2019) Matching Keys and Encrypted Manuscripts. In Proceedings of 22nd Nordic Conference on Computational Linguistics, Nodalida 2019. [https://cl.lingfil.uu.se/~bea/publ/keys-nodalida19.pdf]

Thesis

Han, Renfei (2020) Using Attention-based Sequence-to-Sequence Neural Networks for Transcription of Historical Cipher Documents. Master’s thesis in Language Technology, Uppsala University, Sweden. [http://www.diva-portal.org/smash/record.jsf?pid=diva2%3A1470446&dswid=4822]

Johansson, Kajsa (2019) Transcription of Historical Encrypted Manuscripts: Evaluation of an Automatic Interactive Transcription Tool. Bachelor thesis in Language Technology, Uppsala University, Sweden. [http://uu.diva-portal.org/smash/get/diva2:1323635/FULLTEXT01.pdf]

Tudor, Crina (2019) Studies of Cipher Keys from the 16th Century: Transcription, Systematisation and Analysis. Master thesis in Language Technology, Uppsala University, Sweden. [http://uu.diva-portal.org/smash/get/diva2:1369404/FULLTEXT01.pdf]

This work is supported by the Swedish Research Council, grant 2018-06074: DECRYPT - Decryption of historical manuscripts.