The Most Important Decryption Machine Ever Built

Resumen

This documentary explores the mechanics of the Nazi Enigma machine and the monumental effort at Bletchley Park to crack its encryption. It details how Alan Turing and his colleagues, building on early Polish intelligence, developed the Bombe—an electromechanical device that exploited logical flaws in the machine’s design and human operator error—to shorten the war by years and turn the tide for the Allies.

Temas tratados

• Enigma Mechanics
• The Plugboard

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Extracto de la transcripción

This is the Enigma, the encryption machine used by the Nazis in World War two. I see that there is a sigil from the Nazi Party on this one, so it must be the real thing. Yes. This was actually used by the Germans in World War II. Someone actually asked me the other day, did Hitler use this machine? And I said, I don't know, but Benedict Cumberbatch and Keira Knightley did. Woah, no way! Could we try encrypting a word? Yeah. - I have just a word for us. You'd never guess what it is. - So that's our plaintext. That is our plaintext. So we need to press the keys. And look at the lamps that light up, which will give us our ciphertext. So the first one is V. We have a J. Okay. Then an E. - F - Then an R. We have an M. That is an L. Now for someone to decrypt this message they need to type this text into another Enigma machine. But not just any enigma. Their machine has to be set up in the exa…