'Subjects must implement get_components() and return dicts or
tuples. An \'openssl x509 -in CERT.cert -text\' with \'Subject\':
Subject: Subject: O=system:nodes, CN=system:node:m01.example.com
might return: [(\'O=system\', \'nodes\'), (\'CN=system\', \'node:m01.example.com\')]'

def get_subject(self):

    return self.subject
