Cipher Challenge: Medium Code-Breaking Quiz
A concise set of ten multiple-choice items designed to sharpen your decoding skills without overwhelming complexity.
Quiz Questions
Answer all questions below and test your knowledge.
- 1
What shift value does a classic Caesar cipher use when it rotates each letter three positions forward?
- 2
Which analytical technique examines repeated letter sequences to guess the length of a Vigenère key?
- 3
What is the name of the stepping anomaly where two Enigma rotors advance together?
- 4
Identify the cipher that employs multiple substitution alphabets based on a keyword.
- 5
Which hash algorithm is considered insecure for storing passwords due to fast computation?
- 6
The security of a one-time pad relies on which essential condition?
- 7
Which attack takes advantage of predictable initialization vectors in CBC mode to alter plaintext bits?
- 8
What ancient Spartan device encoded messages by winding a strip of parchment around a staff?
- 9
Which encoding scheme maps binary data onto a set of 64 printable characters?
- 10
In CBC encryption, what property ensures that identical plaintext blocks produce distinct ciphertext blocks?
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