public string Decrypt(string input)
 {
     try
     {
         return(Aes256Helper.Decrypt(input, GetFullPasswordBytesDecrypted()));
     }
     catch (FormatException e)
     {
         throw new MasterPasswordDecryptionException("Decryption failed", e);
     }
 }
 public string Ecrypt(string input)
 {
     return(Aes256Helper.Encrypt(input, GetFullPasswordBytesDecrypted()));
 }