History
Vocab
Steps
Problem
100

How long has Cryptography existed 

thousands of years

100

What is plaintext

The original word/letters 

100

How do you make a cipher

Have a key and plain text


100

One negative about OTP

Cannot give to someone faraway/ Need the same key

200

Name one substitution encryption.

Cesar, Vignere, One-time pad, Enigma machine Cipher.

200

What is Cryptography 

Study of encrypting and decrypting messages.

200

How do you make a unbreakable code?

One time pad

200

One negative about Cesar Cipher

Easy to crack, Outdated

300
Which country during WWI or WWII cracked the code.

WWI: France, WWI: Britain 

300

What is a cipher

They key to unscramble the letters


300

How do you make Vigenère cipher

Using multiple alphabet have a password and a plain text. Match the words to the password on the alphabet

300

One Negative about Transposition 

Easy to solve using technology, 


400

Who broke the Enigma machine code

Allen Turing

400

What is Vigenère Cipher

Encryption method using multiple alphabet 

400

What was the key step to break Scytale cipher 

Wrapping the ribbon on the same diameter(pillar) as the original. 

400

Negative about Enigma machine  

No letter could be encoded as itself

500

Cipher this code: Yajlcrln, can vjbcna xo juju cqrwqb. Hint: Cesar Cipher +9 shift.

Practice, the master of all things.

500
Define Frequency Analysis

Using frequency of letters in a cipher text to decode message.

500

How do you make your own cipher

Have a plain text, a key, and alphabet. 

500

Negative about Cipher

Every Cipher is breakable, unless you have a OTP