code: def ocsp_urls(self):
          
  
          if not self.authority_information_access_value:
              return []
  
          output = []
          for entry in self.authority_information_access_value:
              if entry['access_method'].native == 'ocsp':
                  location = entry['access_location']
                  if location.name != 'uniform_resource_identifier':
                      continue
                  url = location.native
                  if url.lower().startswith(('http://', 'https://', 'ldap://', 'ldaps://')):
                      output.append(url)
          return output
docs: :return:
              A list of zero or more unicode strings of the OCSP URLs for this
              cert