def METHOD_NAME(
    self, base_cmd: str = "verify /md5", remote_file: Optional[str] = None
) -> str:
    if remote_file is None:
        if self.direction == "put":
            remote_file = self.dest_file
        elif self.direction == "get":
            remote_file = self.source_file
    remote_md5_cmd = f"{base_cmd} file:{self.file_system}/{remote_file}"
    dest_md5 = self.ssh_ctl_chan._send_command_str(remote_md5_cmd, read_timeout=600)
    dest_md5 = self.process_md5(dest_md5)
    return dest_md5