The Enigma Machine
Published on Nov 18, 2015
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PRESENTATION OUTLINE
The Enigma Machine
The Device that Puzzled Nations
What would WWII have been like, if the Enigma cipher wasn't cracked?
Why did the Allies care so much about German ciphers during WWII?
What did the Enigma machine do that other encryption techniques couldn’t?
Development
of the Enigma Machine
Origins of the Enigma
- Arthur Scherbius was the pioneer of the encryption machine.
- He invented the original Enigma machine, and patented it in 1918.
- To sell his machine, he set up the Chiffriermaschinen Aktiengesellschaft.
- The machine was named after the Greek word for "riddle."
- Scherbius felt that Germany needed a secure cipher system.
The German military began to use the Enigma machine in 1926.
How the Enigma worked
and what it was used for
Inner-workings of the Enigma
- The device itself looked like a typewriter.
- It had a keyboard and a series of lights.
- The most important part, however, was the collection of rotors.
- The rotors were the key piece of the Enigma machine's cipher.
- Newer models also had a part called a "plugboard" attached.
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The Enigma machine did, however, have a number of flaws.
Cracking
of the Enigma cipher
Decryption of the Enigma
- The Allied forces (especially France and Britain) took notice of the Enigma
- Poland, however, was the country that proved integral to the code-breaking.
- Leading mathematicians and scientists gathered to break the Enigma code.
- These efforts took place in England, at a place called Bletchley Park.
- Enigma had one main flaw: it never would encrypt a letter as itself.
