Key Words

Question 1

Cryptography

Answer 1

Studying, creating and solving coded messages

Question 2

Encryption

Answer 2

Creating coded messages

Question 3

Decryption

Answer 3

Solving coded messages

Question 4

Caesar Cipher

Answer 4

The oldest coding method which works by shifting the alphabet by a set number of places

Question 5

Alan Turing

Answer 5

A famous mathematician and cryptographer who cracked the Enigma Machine

Question 6

The German Enigma Machine

Answer 6

A machine the Germans used to code messages to each other during WW2

Question 7

Barcodes

Answer 7

An example of encryption

Question 8

Check Digit

Answer 8

The last number of a barcode. It checks if the barcode is damaged

Question 9

=code(cell)

Answer 9

Turns the letter into a number

Question 10

=char(cell)

Answer 10

Turns the number into a letter

Question 11

PGP

Answer 11

Pretty Good Privacy

Question 12

Public Key

Answer 12

A key seen and used by anyone which encrypts messages

Question 13

Private Key

Answer 13

A key used by only the reader which decrypts messages

Question 14

Asymmetric encryption

Answer 14

Having two different keys