@Test
  public void encryptionTypeName() throws IOException {
    DocumentEncryptionAtom dea1 = new DocumentEncryptionAtom(data_a, 0, data_a.length);
    assertEquals("Microsoft Base Cryptographic Provider v1.0", dea1.getEncryptionProviderName());

    DocumentEncryptionAtom dea2 = new DocumentEncryptionAtom(data_b, 0, data_b.length);
    assertEquals("Microsoft Base Cryptographic Provider v1.0", dea2.getEncryptionProviderName());
  }
  @Test
  public void recordType() throws IOException {
    DocumentEncryptionAtom dea1 = new DocumentEncryptionAtom(data_a, 0, data_a.length);
    assertEquals(12052l, dea1.getRecordType());

    DocumentEncryptionAtom dea2 = new DocumentEncryptionAtom(data_b, 0, data_b.length);
    assertEquals(12052l, dea2.getRecordType());

    assertEquals(199, data_a.length);
    assertEquals(198, data_b.length);
  }