Question

Route cipher falls under the category of?

(a) mono-alphabetic cipher

(b) poly-alphabetic cipher

(c) transposition cipher

(d) additive cipher

I had been asked this question by my school principal while I was bunking the class.

This intriguing question comes from Cryptography in portion Cryptography of Data Structures & Algorithms II

Answer 1

The correct choice is (c) transposition cipher

Easiest explanation - Route cipher is a transposition cipher. It falls under the category of transposition cipher as it encrypts the plain text by rearranging its letters.