@Asn1Property(tagNo = 0x30, converter = DigestsConverter.class)
    public Map<Integer, byte[]> getDigests() {
        return digests;
    }
@Test
    public void readDl1Cms() throws Exception {
        final LdsSecurityObject ldsSecurityObject = mapper.read(
            readFromCms("dl1"), LdsSecurityObject.class);
        assertEquals(ImmutableSet.of(1, 5, 6, 11, 12, 13), ldsSecurityObject.getDigests().keySet());
    }