public async Task GetPrivateKeyAfterLockCorrectTest()
        {
            var ekey = new EncryptionKey(FakeDataGenerator.DefaultDto.BasicEncryptedMessage, "", true);

            ekey.LoadPassword(FakeDataGenerator.DefaultDto.BasicPassword);
            var key = ekey.GetEncryptedKey();

            Assert.Equal(FakeDataGenerator.DefaultDto.BasicMessage, key);
            ekey.Lock();
            var nkey = ekey.GetEncryptedKey();

            Assert.Null(nkey);
        }