What Was Encoded in Historical Cipher Keys in the Early Modern Era?

Beáta Megyesi, Crina Tudor, Benedek Láng, Anna Lehofer, Nils Kopal, Michelle Waldispühl. What Was Encoded in Historical Cipher Keys in the Early Modern Era?. In Carola Dahlke, Beáta Megyesi, editors, Proceedings of the 5th International Conference on Historical Cryptology, HistoCrypt 2022, Amsterdam, The Netherlands, June 20-22, 2022. Volume 188 of Linköping Electronic Conference Proceedings, pages 159-167, Linköping University Electronic Press, 2022. [doi]

@inproceedings{MegyesiTLLKW22,
  title = {What Was Encoded in Historical Cipher Keys in the Early Modern Era?},
  author = {Beáta Megyesi and Crina Tudor and Benedek Láng and Anna Lehofer and Nils Kopal and Michelle Waldispühl},
  year = {2022},
  url = {https://ecp.ep.liu.se/index.php/histocrypt/article/view/404},
  researchr = {https://researchr.org/publication/MegyesiTLLKW22},
  cites = {0},
  citedby = {0},
  pages = {159-167},
  booktitle = {Proceedings of the 5th International Conference on Historical Cryptology, HistoCrypt 2022, Amsterdam, The Netherlands, June 20-22, 2022},
  editor = {Carola Dahlke and Beáta Megyesi},
  volume = {188},
  series = {Linköping Electronic Conference Proceedings},
  publisher = {Linköping University Electronic Press},
  isbn = {978-91-7929-397-0},
}