Niels O. Faurholt
Retired, DDIS Technical-Historical Collection, Denmark
Ladda ner artikel
Ingår i: Proceedings of the 1st International Conference on Historical Cryptology HistoCrypt 2018
Linköping Electronic Conference Proceedings 149:23, s. 129-132
NEALT Proceedings Series 34:23, p. 129-132
Publicerad: 2018-06-13
ISBN: 978-91-7685-252-1
ISSN: 1650-3686 (tryckt), 1650-3740 (online)
Willard’s cryptosystem is an unusual system, designed by an otherwise unknown American around 1870. It was used for a short period of time by the Danish Ministry of Foreign Affairs. The article describes the system. Furthermore the article mentions an interesting and lively period of Danish crypto activities 1873 – 1918.
Buonafalce, Augusto, Niels Faurholt and Bjarne Toft. 2006. Julius Petersen - Danish Mathematician and Cryptologist. Cryptologia, Vol. 30: 353-360.
Faurholt, Niels. 2006. Alexis Køhl: A Danish Inventor of Cryptosystems. Cryptologia, Vol. 30: 23-29.
Johnsen, Erik, Morten Christensen, Ole Immanuel Franksen and Knud Nissen. 1994. Willard’s System. Matematiklærerforeningen DTU, Lyngby, DK.
Kasiski, Friedrich W. 1863. Die Geheimschriften und die Dechiffrier-Kunst. E.S.Mittler und Sohn, Berlin.
Kjølsen, Klaus and Viggo Sjöqvist. 1970. Den danske Udenrigstjeneste 1770-1970, Vol. I. J.H.Schultz, Copenhagen, DK.
Petersen, Julius. 1875. Nær og Fjern, 154:4-7. Periodical, Copenhagen, DK
