// Given
        int length = 16;

        // When
        byte[] random1 = new byte[length];
        byte[] random2 = new byte[length];
        SecureRandom.getInstanceStrong().nextBytes(random1);
        SecureRandom.getInstanceStrong().nextBytes(random2);

        // Then
        assertNotNull(random1);
        assertNotNull(random2);
        assertEquals(length, random1.length);