While efforts in Europe focused on Enigma, the outcome of the Pacific War hinged on intercepting and breaking Japanese naval ciphers—most notably the code known as JN-25. This code was a two-step ...

As the last surviving member of the Enigma decoder experts of Bletchley Park, Batey wasn't allowed to even speak of her accomplishments for more than three decades due to the Official Secrets Act ...

It was there that mathematician Alan Turing decoded messages encrypted by the Nazis' Enigma machine, in particular those sent by German U-boats submarines in the North Atlantic.

It was there that mathematician Alan Turing decoded messages encrypted by the Nazis' Enigma machine, in particular those sent by German U-boats submarines in the North Atlantic.