Vigenère Cipher Quiz

What is the Vigenère Cipher a variation of?

• The Enigma Machine

• The Caesar Cipher

• The Morse Code

• The Playfair Cipher

How does the Vigenère Cipher encrypt messages?

• By using a single substitution for each letter

• By transposing characters based on a keyword

• By applying a series of different Caesar Ciphers based on a keyword

• By shifting the entire alphabet by a set number for each message

What is the Vigenère Cipher considered to be in terms of encryption method?

• A complex form of transposition cipher

• A simple form of polyalphabetic substitution

• A basic form of monoalphabetic substitution

• An advanced form of the Enigma encryption

Which historical figure was the Vigenère Cipher falsely attributed to?

• Giovan Battista Bellaso

• Blaise de Vigenère

• Julius Caesar

• Leonardo da Vinci

In what year was the Vigenère Cipher originally described by Giovan Battista Bellaso?

• 1453

• 1553

• 1653

• 1753

Who is credited with the first well-documented description of a polyalphabetic cipher?

• Johannes Trithemius

• Leon Battista Alberti

• Blaise de Vigenère

• Julius Caesar

What is the Vigenère Cipher sometimes called due to its association with Leon Battista Alberti?

• Alberti Disc

• Trithemius Amanuensis

• Caesar Shift

• Tabula Recta

In what year did Johannes Trithemius invent the tabula recta?

• 1467

• 1508

• 1550

• 1601

What was the tabula recta, invented by Johannes Trithemius, a matrix of?

• Numerical codes

• Shifted alphabets

• Symbolic representations

• Encrypted messages

What is the Confederate Cipher Disk commonly associated with?

• World War II

• The American Civil War

• The French Revolution

• The Cold War