code: def process_der(self, data, name):
          
          from cryptography.x509.base import load_der_x509_certificate
          try:
              x509 = load_der_x509_certificate(data, self.get_backend())
              self.num_der_certs += 1
              return self.process_x509(x509, name=name, pem=False, source='der-cert')
  
          except Exception as e:
              logger.debug('DER processing failed: %s : %s' % (name, e))
              self.trace_logger.log(e)
docs: DER processing
          :param data:
          :param name:
          :return: