private static void Encrypt(string fileName)
 {
     if (Path.GetExtension(fileName) == ".encrypt") return;
     Console.WriteLine($">>>>>Encrypting '{ fileName }'.");
     Cryptographer cryptographer = new Cryptographer();
     File.Delete($"{fileName}.encrypt");
     byte[] encryptedText = cryptographer.Encrypt(File.ReadAllBytes(fileName));
     File.WriteAllBytes($"{fileName}.encrypt", encryptedText);
     Console.WriteLine($"<<<<<Finished encrypting '{ fileName}'.");
 }
 private static string Encrypt(string item)
 {
     Cryptographer cryptographer = new Cryptographer();
     return  cryptographer.Encrypt(item);
 }