魔改造は、悪趣味にならない範囲でどこまでで止めるかが難しい🧐 import random import string import tkinter as tk from tkinter import messagebox from pathlib import Path from datetime import datetime import logging import time import ...

This project implements a simple substitution cipher tool that can encrypt and decrypt text with a known key and crack ciphertext without a key using a hill-climbing algorithm. It demonstrates how an ...

The Vigenère cipher is a polyalphabetic substitution cipher, meaning it uses multiple substitution alphabets to encrypt the text. It is an improvement over simpler ciphers like the Caesar cipher and ...