Test Your Knowledge of Classical Ciphers

• Set of possible plaintexts, set of possible keys
• Set of possible plaintexts, set of possible ciphertexts, set of possible keys (correct)
• Set of possible keys, set of possible ciphertexts
• Set of possible plaintexts, set of possible ciphertexts

• To decrypt the plaintext using a parameter m
• To encrypt the plaintext using a parameter K (correct)
• To decrypt the ciphertext using a parameter K
• To encrypt the ciphertext using a parameter m

• To decrypt the ciphertext using a parameter K (correct)
• To decrypt the plaintext using a parameter m
• To encrypt the plaintext using a parameter K
• To encrypt the ciphertext using a parameter m

<p>The set of possible keys (D)</p> Signup and view all the answers

<p>A cipher that shifts all letters of the plaintext K positions to the right, circularly (B)</p> Signup and view all the answers

<p>A cipher that substitutes letters in the plaintext using a substitution table (D)</p> Signup and view all the answers

<p>To break a cipher (B)</p> Signup and view all the answers