Question

Which of the following cipher was used by freemasons?

(a) Vigenere cipher

(b) Autokey cipher

(c) Pigpen cipher

(d) Hill cipher

I have been asked this question in unit test.

The origin of the question is Cryptography in division Cryptography of Data Structures & Algorithms II

Answer 1

The correct answer is (c) Pigpen cipher

The best explanation: Pigpen cipher is believed to be used by freemasons in the 18th century. Pigpen cipher is an example of geometric substitution cipher.