Ceaser Cipher Recap

Encryption is...

• Turning data into something more useful

• Locking data using a secret key

• Locking data using a public key

• translating it into French

A cipher is a...

• secret way of writing or communicating

• spinning a wheel

• way of spelling words wrong

• way of keeping secrets

Apply a caesar cipher of +2 to the word CAFE

Last lesson you made a wheel to help you encrypt and decrypt words. For which cipher was this for?

• Caesar cipher

• Julius cipher

• Augustus cipher

• Chicken Caeser cipher

Alan Turing developed the Bombe to help decipher the German Enigma machine messages. This was during which world war?

• Cold War

• World War 1

• World War 2

• World War 3