@Test
public void testDecrypt() throws Exception {

    assertEquals(pass, PeCryptoUtils.decrypt(pass));
    System.setProperty(PROP_AES_KEY, secretKey);
    PeCryptoUtils.initAesKey(null);
    System.clearProperty(PROP_AES_KEY);
    assertEquals(pass, PeCryptoUtils.decrypt(encryptedPass));
    Whitebox.setInternalState(PeCryptoUtils.class, "cryptoUtils", (PeCryptoUtils) null);
    Whitebox.setInternalState(PeCryptoUtils.class, "secretKey", secretKey);
    PeCryptoUtils.initAesKey(" ");
    assertEquals(pass, PeCryptoUtils.decrypt(pass));
}