Question

Vigenere table consists of _________

(a) 26 rows and 26 columns

(b) 26 rows and 1 column

(c) 1 row and 26 columns

(d) 27 rows and 27 columns

The question was posed to me by my school teacher while I was bunking the class.

My question is based upon Cryptography in division Cryptography of Data Structures & Algorithms II

Answer 1

Right option is (a) 26 rows and 26 columns

The best explanation: Encryption of plain text using vigenre cipher is done by making use of vigenere table. It consists of 26 rows and 26 columns which have alphabets written 26 times. These are shifted towards left after each row.