throws Exception
    {
        byte[]    data = "WallaWallaWashington".getBytes();
        SecretKey kek  = new SecretKeySpec(new byte[] { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16 }, "AES");
        CMSEnvelopedData ed = new CMSEnvelopedData(oldKEK);
        RecipientInformationStore  recipients = ed.getRecipientInfos();
        assertEquals(ed.getEncryptionAlgOID(), CMSEnvelopedDataGenerator.DES_EDE3_CBC);
        Collection  c = recipients.getRecipients();
        Iterator    it = c.iterator();
        if (it.hasNext())