public static string GetString(string key, string password)
 {
     string hashedKey = GenerateMD5(key);
     if (PlayerPrefs.HasKey(hashedKey))
     {
         var aesEncryption = new AESEncryption();
         string encryptedValue = PlayerPrefs.GetString(hashedKey);
         string decryptedValue;
         aesEncryption.TryDecrypt(encryptedValue, password, out decryptedValue);
         return decryptedValue;
     }
     else
     {
         return "";
     }
 }