2026

Cryptography & Codes

Battle History's Elite Encryption Challenges

Nine expert-level queries probe forgotten cipher techniques from past eras.

#historical cryptography#military codes#Enigma rotors#Polybius grid#ancient ciphers#Vigenere tableau#Jefferson disk#ADFGVX system#Playfair square

Quiz Intelligence

Total Questions

9

Difficulty Level

hard

Progress

0/0

0%

Quiz Questions

Answer all questions below and test your knowledge.

1
The ancient Spartan scytale primarily functions as which cipher type?
Question 1
2
Blaise de Vigenère is associated with inventing which key advancement in 16th-century cryptography?
Question 2
3
The Playfair cipher, devised in 1854, processes plaintext in groups of how many letters?
Question 3
4
Thomas Jefferson developed which mechanical device for polygraphic substitution in the late 18th century?
Question 4
5
In the Polybius square used by ancient Greeks, what grid size encodes 20 letters?
Question 5
6
Louis XIV's Great Cipher employed homophones mainly to counter which cryptanalytic weakness?
Question 6
7
The German ADFGVX cipher from 1918 used a 36-symbol fractionation before what final step?
Question 7
8
Charles Babbage successfully cryptanalyzed the Vigenère cipher in the 19th century by exploiting what?
Question 8
9
The WWII German Enigma M4 naval machine featured how many possible rotor wheels?
Question 9

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Battle History's Elite Encryption Challenges

Quiz Intelligence

Quiz Questions

The ancient Spartan scytale primarily functions as which cipher type?

Blaise de Vigenère is associated with inventing which key advancement in 16th-century cryptography?

The Playfair cipher, devised in 1854, processes plaintext in groups of how many letters?

Thomas Jefferson developed which mechanical device for polygraphic substitution in the late 18th century?

In the Polybius square used by ancient Greeks, what grid size encodes 20 letters?

Louis XIV's Great Cipher employed homophones mainly to counter which cryptanalytic weakness?

The German ADFGVX cipher from 1918 used a 36-symbol fractionation before what final step?

Charles Babbage successfully cryptanalyzed the Vigenère cipher in the 19th century by exploiting what?

The WWII German Enigma M4 naval machine featured how many possible rotor wheels?