A rare 1944 four-rotor M4 Enigma cipher machine, considered one of the hardest challenges for the Allies to decrypt, has sold at a Christie's auction for £347,250 ($437,955). The winning bid for the ...

German divers who recently fished an Enigma encryption machine out of the Baltic Sea, used by the Nazis to send coded messages during World War II, handed their rare find over to a museum for ...