def get_crc32c(self, bucket_name, object_name):
        """
        
        """
        self.log.info('Retrieving the crc32c checksum of '
                      'object_name: %s in bucket_name: %s', object_name, bucket_name)
        client = self.get_conn()
        bucket = client.get_bucket(bucket_name=bucket_name)
        blob = bucket.get_blob(blob_name=object_name)
        blob.reload()
        blob_crc32c = blob.crc32c
        self.log.info('The crc32c checksum of %s is %s', object_name, blob_crc32c)
        return blob_crc32c