Conclusion, that Allied decryption of Enigma has been unsuccessful and current reading is impossible.
My note; There are several thousand words that describe the many investigations undertaken by the German security and Naval Communications department, all of which came up with the same conclusion.
: It is known if and how the Germans reacted?
: In both World Wars the navy made the error
: to assume that their codes could not be
: broken and used similar systems to the end
: of the war.