There are rotors inside that can be swapped around, the positions of the rotors change,...
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There are rotors inside that can be swapped around, the positions of the rotors change, and what that means is if I were to type one message, there are 103,000 million, million, million possible ways of encrypting that message
Full Transcript
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There are rotors inside that can be swapped around,
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the positions of the rotors change,
00:00:04.096 --> 00:00:08.087
and what that means is if I were to type one message,
00:00:08.087 --> 00:00:12.037
there are 103,000 million, million, million possible ways
00:00:12.037 --> 00:00:13.095
of encrypting that message.
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Movie Summary
During World War II, the British built or reinforced a series of structures consisting of over 26,000 buildings to form a line of defence against an expected German invasion. Rob Bell travels around the UK to learn their secrets.
