Although the hacker will not be able to use brute force attacks, it is possible to consider the key utilising the All-Fearsome Statistical Attack. If a hacker understands the properties of any substitution cipher's plaintext, it can easily break the cipher using a statistical attack, whatever ...
See the code below −Exampleimport java.util.*; public class MonoalphabeticCipher { public static Map<Character, Character> randomMonoalphaCipher(String pool) { List<Character> originalChar = new ArrayList<>(); List<Character> ShuffledChar = new ArrayList<>(); for (char c : pool.toCharArray...