Re: A lack of US cryptanalytic security before Midway?

2006-09-08 Thread John Levine
The conventional wisdom is that the successful US cryptanalytic efforts against Japanese naval codes was a closely-held secret. Has the conventional wisdom forgotten that it was reported in the Chicago Tribune in 1942? See, for example, http://www.newseum.org/warstories/essay/secrecy.htm

Re: A lack of US cryptanalytic security before Midway?

2006-09-08 Thread Steven M. Bellovin
On 7 Sep 2006 15:33:15 -, John Levine [EMAIL PROTECTED] wrote: The conventional wisdom is that the successful US cryptanalytic efforts against Japanese naval codes was a closely-held secret. Has the conventional wisdom forgotten that it was reported in the Chicago Tribune in 1942?

A lack of US cryptanalytic security before Midway?

2006-09-07 Thread Steven M. Bellovin
The conventional wisdom is that the successful US cryptanalytic efforts against Japanese naval codes was a closely-held secret. I've just stumbled on a source that disputes that. In The Unknown Battle of Midway: The Destruction of the American Torpedo Squadrons (Alvin Kernan, Yale University