@Override
                public OpenSSLX509Certificate fromX509PemInputStream(InputStream is)
                        throws ParsingException {
                    return OpenSSLX509Certificate.fromX509PemInputStream(is);
                }
The code for X509 Certificates and CRL is pretty much the same. We use
this abstract class to share the code between them. This makes it ugly,
but it's already written in this language anyway.
common/src/main/java/org/conscrypt/OpenSSLX509CertificateFactory.java