final byte[] decrypted = cipher.decrypt(encrypted);

        assertThat(encrypted, is(not(original)));
        assertArrayEquals(original, decrypted);
    }

    @Test
    public void testEncryptDecryptText() {
        final CachedCipher cipher = new CachedCipher();
        cipher.setKey("mySecretKey");

        final String original = "Hello World";
        final String encrypted = cipher.encryptText(original);