https://bugs.gentoo.org/978400
https://github.com/novnc/websockify/issues/637
https://github.com/novnc/websockify/pull/638
https://github.com/novnc/websockify/commit/f1e281d2c446380a0a8af7575a92b23ad65c6d4d

From f1e281d2c446380a0a8af7575a92b23ad65c6d4d Mon Sep 17 00:00:00 2001
From: Takashi Kajinami <kajinamit@oss.nttdata.com>
Date: Mon, 18 May 2026 08:40:09 +0900
Subject: [PATCH] Replace test symmetric key

jwcrypto 1.5.7 introduced the validation to enforce key length, which
is not met by the existing test key.

Replace it by the new one which has 256 bits length.

Closes #637
--- a/tests/fixtures/symmetric.key
+++ b/tests/fixtures/symmetric.key
@@ -1 +1 @@
-secret_sauce
\ No newline at end of file
+mesGV8j0k2hJf5sl83NMrQeMsA3FOmkEOgqvVe1HBgw
\ No newline at end of file