Answer to Question #274989 in Discrete Mathematics for V.kathiravan

Question

Write short note on Caesar cipher with example

Answer 1

Caesar cipher is one of the earliest and simplest method of encryption technique. It is is a type of substitution cipher where every letter of a given text is replaced by a letter some constant number of positions(shifts) down the alphabet.

For example, with a shift of 2, letter A would be replaced by letter C, B would be replaced by D, C would be replaced by letter E and the process continues.