Question

The best known multiple letter encryption cipher is the __________ , which treats digrams in the plaintext as single units and translates these units into ciphertext digrams. Question 52 options:

Answer 1

Playfair cipher

Step-by-step explanation:

The Playfair cipher operates by substituting pairs of letters (digrams) in the plaintext with corresponding pairs of letters in the ciphertext, based on a predefined encryption key and specific rules for letter substitution.