Unlock the secret.
The story of the WWII project to crack the code behind the Enigma machine, used by the Germans to encrypt messages sent to their submarines.
2001-12-14
en
1979-07-06
2009-04-01
fr
1994-02-18
2011-02-25
it
1984-09-21
2018-03-29
es
2011-08-28