Question

Which of the following is not an alternative name of pigpen cipher?

(a) pen cipher

(b) freemason’s cipher

(c) napoleon cipher

(d) tic-tac-toe cipher

The question was posed to me during an online exam.

My query is from Cryptography in division Cryptography of Data Structures & Algorithms II

Answer 1

Correct choice is (a) pen cipher

The best explanation: Pigpen cipher is also known by the names like:- freemason’s cipher, napoleon cipher, tic-tac-toe cipher, masonic cipher. It is a cipher which is believed to be used by freemasons in the 18th century.