In this article we formalize DES (the Data Encryption Standard), that was the most widely used symmetric cryptosystem in the world. DES is a block cipher which was selected by the National Bureau of Standards as an official Federal Information Processing Standard for the United States in 1976 [15].
@article{bwmeta1.element.doi-10_2478_v10037-012-0016-y,
author = {Hiroyuki Okazaki and Yasunari Shidama},
title = {Formalization of the Data Encryption Standard},
journal = {Formalized Mathematics},
volume = {20},
year = {2012},
pages = {125-146},
zbl = {1288.94079},
language = {en},
url = {http://dml.mathdoc.fr/item/bwmeta1.element.doi-10_2478_v10037-012-0016-y}
}
Hiroyuki Okazaki; Yasunari Shidama. Formalization of the Data Encryption Standard. Formalized Mathematics, Tome 20 (2012) pp. 125-146. http://gdmltest.u-ga.fr/item/bwmeta1.element.doi-10_2478_v10037-012-0016-y/
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