fixes

django-stubs/middleware/csrf.pyi

@@ -27,3 +27,7 @@ class CsrfViewMiddleware(MiddlewareMixin):
     def process_response(self, request: HttpRequest, response: HttpResponseBase) -> HttpResponseBase: ...
 
 def _compare_salted_tokens(request_csrf_token: str, csrf_token: str) -> bool: ...
+def _get_new_csrf_string() -> str: ...
+def _salt_cipher_secret(secret: str) -> str: ...
+def _unsalt_cipher_token(token: str) -> str: ...
+def _get_new_csrf_token() -> str: ...