Challenge "Polyhomophonic Substitution — Part 3" ¶
By: admin on April 6, 2020, 8:44 p.m.
This part of the challenge series introduces polyhomophonic substitution. In a polyhomophonic substitution cipher, each ciphertext symbol can represent one of several plaintext symbols, and each plaintext letter can be encrypted as one of several ciphertext letters. The key is a mapping from the set of plaintext symbols to the set of ciphertext symbols.