gistfile1.txt

 cert = x509.load_pem_x509_certificate(data=certificate,
                                          backend=backends.default_backend())
    if intermediates:
        for x509Pem in _split_x509s(intermediates):
            _get_x509_from_pem_bytes(x509Pem)
    if private_key:
        pkey = _read_privatekey(private_key, passphrase=private_key_passphrase)
        pknum = pkey.public_key().public_numbers
        certnum = cert.public_key().public_numbers
        if pknum != certnum:
            raise exceptions.MisMatchedKey