The NSA’s “Fifty Years of Mathematical Cryptanalysis (1937–1987)”
In response to a FOIA request, the NSA released “ Fifty Years of Mathematical Cryptanalysis (1937-1987),” by Glenn F. Stahly, with a lot of redactions. Weirdly, this is the second time the NSA has declassified the document. John Young got a copy in 2019. This one has a few less …