Method _challenge_response

python/python3/tornado/websocket.py:896–899

(self, handler: WebSocketHandler)

        return native_str(base64.b64encode(sha1.digest()))

    def _challenge_response(self, handler: WebSocketHandler) -> str:
        return WebSocketProtocol13.compute_accept_value(
            cast(str, handler.request.headers.get("Sec-Websocket-Key"))
        )

    async def _accept_connection(self, handler: WebSocketHandler) -> None:
        subprotocol_header = handler.request.headers.get("Sec-WebSocket-Protocol")