public void testKeyStoteSpi02() throws NoSuchAlgorithmException,
            UnrecoverableKeyException, CertificateException {
        KeyStoreSpi ksSpi = new MyKeyStoreSpi();
        assertNull("engineGetKey(..) must return null", ksSpi.engineGetKey("",
                new char[0]));
        assertNull("engineGetCertificateChain(..) must return null", ksSpi
                .engineGetCertificateChain(""));
        assertNull("engineGetCertificate(..) must return null", ksSpi
                .engineGetCertificate(""));
        assertEquals("engineGetCreationDate(..) must return Date(0)", 
                new Date(0), ksSpi.engineGetCreationDate(""));