Security News > 2015 > May > German Cryptanalysis of the M-209 (Schneier on Security)

German Cryptanalysis of the M-209 (Schneier on Security)
2015-05-12 21:13

This 1947 document describes a German machine to cryptanalyze the American M-209 mechanical encryption machine. I can't figure out anything about how it works....


News URL

https://www.schneier.com/blog/archives/2015/05/german_cryptana.html