def _dump_file_trails(self, apk_file):
logging.debug("Dumping file_trails")
path = apk_file.get_path()
file = apk_file.get_filename()
file_trails = dict()
file_trails['file_name'] = file
file_trails['file_md5_sum'] = Utils.compute_md5_file(path, file)
file_trails['file_sha256_sum'] = Utils.compute_sha256_file(path, file)
file_trails['file_dimension'] = Utils.get_size(path, file)
return file_trails
