An example of poly-alphabetic substitution is
(A) P-box
(B) S-box
(C) Caesar cipher
(D) Vigenere cipher
Answer: (D)
Explanation: Using more than one alphabet and switching between them systematically to encrypt data is called a polyalphabetic substitution cipher. The Vigenere cipher is a method of encrypting alphabetic text by using a series of interwoven Caesar ciphers based on the letters of a keyword. It is a form of polyalphabetic substitution.
So, option (D) is correct.
Quiz of this Question
Attention reader! Don’t stop learning now. Get hold of all the important DSA concepts with the DSA Self Paced Course at a student-friendly price and become industry ready.