German divers on assignment for the environmental group WWF discovered a World War II Enigma encryption machine in the Baltic Sea on November 11, 2020, which was believed to be thrown overboard from a German warship. / CFP

The Enigma machine has been handed over to the archaeology museum in the German state of Schleswig Holstein on December 4, 2020. It is expected that the restoration will take about a year before it can be put on public display. / CFP

The Enigma was a type of enciphering machine used by the German armed forces to send messages securely during the WWII. The cipher system of Nazi German military was cracked thanks to a team led by Alan Turing, a British mathematician known as the father of modern computing, which contributed to the final victory of Allies' over the Nazi Germany. / CFP