installed plugin WP-WebAuthn version 1.2.8

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-key-mgmt/Analyzer/HS512KeyAnalyzer.php

@@ -0,0 +1,35 @@
+<?php
+
+declare(strict_types=1);
+
+/*
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2014-2020 Spomky-Labs
+ *
+ * This software may be modified and distributed under the terms
+ * of the MIT license.  See the LICENSE file for details.
+ */
+
+namespace Jose\Component\KeyManagement\Analyzer;
+
+use Base64Url\Base64Url;
+use Jose\Component\Core\JWK;
+
+final class HS512KeyAnalyzer implements KeyAnalyzer
+{
+    public function analyze(JWK $jwk, MessageBag $bag): void
+    {
+        if ('oct' !== $jwk->get('kty')) {
+            return;
+        }
+        if (!$jwk->has('alg') || 'HS512' !== $jwk->get('alg')) {
+            return;
+        }
+        $k = Base64Url::decode($jwk->get('k'));
+        $kLength = 8 * mb_strlen($k, '8bit');
+        if ($kLength < 512) {
+            $bag->add(Message::high('HS512 algorithm requires at least 512 bits key length.'));
+        }
+    }
+}