Test Your Mastery of Historical Encryption Techniques
Challenge yourself with eight demanding questions about classic cryptographic systems used through history.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
Which of the following shift values produces the ciphertext "KHOOR" when encrypting the plaintext "HELLO" using a classic Caesar substitution?
- 2
In the standard three‑rotor Enigma I used by the German army, which rotor was positioned in the middle slot during the initial settings for the famous "P103" message?
- 3
A ciphertext produced by the Vigenère cipher shows a repeating pattern every 7 letters. What is the most likely length of the key?
- 4
Which property distinguishes a one‑time pad from other symmetric ciphers?
- 5
The code spoken by Navajo code talkers during World II was primarily based on which linguistic feature?
- 6
The Zimmermann telegram was encrypted with which type of cipher?
- 7
When using a Spartan scytale with a rod diameter that yields a wrap count of 8, how many letters of plaintext are written per column?
- 8
The Jefferson disk cipher uses how many distinct alphabet disks?
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