installed plugin WP-WebAuthn version 1.2.8

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature-algorithm-eddsa/.github/CONTRIBUTING.md

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+# Contributing
+
+This repository is a sub repository of [the JWT Framework](https://github.com/web-token/jwt-framework) project and is READ ONLY. 
+Please do not submit any Pull Requests here. It will be automatically closed.

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature-algorithm-eddsa/.github/FUNDING.yml

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+patreon: FlorentMorselli

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature-algorithm-eddsa/.github/PULL_REQUEST_TEMPLATE.md

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+Please do not submit any Pull Requests here. It will be automatically closed.
+
+You should submit it here: https://github.com/web-token/jwt-framework/pulls

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature-algorithm-eddsa/EdDSA.php

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+<?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\Signature\Algorithm;
+
+use Base64Url\Base64Url;
+use function extension_loaded;
+use function in_array;
+use InvalidArgumentException;
+use Jose\Component\Core\JWK;
+use RuntimeException;
+
+final class EdDSA implements SignatureAlgorithm
+{
+    /**
+     * EdDSA constructor.
+     *
+     * @throws RuntimeException if the extension "sodium" is not available
+     */
+    public function __construct()
+    {
+        if (!extension_loaded('sodium')) {
+            throw new RuntimeException('The extension "sodium" is not available. Please install it to use this method');
+        }
+    }
+
+    public function allowedKeyTypes(): array
+    {
+        return ['OKP'];
+    }
+
+    /**
+     * @throws InvalidArgumentException if the key is not private
+     * @throws InvalidArgumentException if the curve is not supported
+     */
+    public function sign(JWK $key, string $input): string
+    {
+        $this->checkKey($key);
+        if (!$key->has('d')) {
+            throw new InvalidArgumentException('The EC key is not private');
+        }
+        $x = Base64Url::decode($key->get('x'));
+        $d = Base64Url::decode($key->get('d'));
+        $secret = $d.$x;
+
+        switch ($key->get('crv')) {
+            case 'Ed25519':
+                return sodium_crypto_sign_detached($input, $secret);
+
+            default:
+                throw new InvalidArgumentException('Unsupported curve');
+        }
+    }
+
+    /**
+     * @throws InvalidArgumentException if the curve is not supported
+     */
+    public function verify(JWK $key, string $input, string $signature): bool
+    {
+        $this->checkKey($key);
+
+        $public = Base64Url::decode($key->get('x'));
+
+        switch ($key->get('crv')) {
+            case 'Ed25519':
+                return sodium_crypto_sign_verify_detached($signature, $input, $public);
+
+            default:
+                throw new InvalidArgumentException('Unsupported curve');
+        }
+    }
+
+    public function name(): string
+    {
+        return 'EdDSA';
+    }
+
+    /**
+     * @throws InvalidArgumentException if the key type is not valid
+     * @throws InvalidArgumentException if a mandatory key parameter is missing
+     * @throws InvalidArgumentException if the curve is not suuported
+     */
+    private function checkKey(JWK $key): void
+    {
+        if (!in_array($key->get('kty'), $this->allowedKeyTypes(), true)) {
+            throw new InvalidArgumentException('Wrong key type.');
+        }
+        foreach (['x', 'crv'] as $k) {
+            if (!$key->has($k)) {
+                throw new InvalidArgumentException(sprintf('The key parameter "%s" is missing.', $k));
+            }
+        }
+        if ('Ed25519' !== $key->get('crv')) {
+            throw new InvalidArgumentException('Unsupported curve.');
+        }
+    }
+}

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature-algorithm-eddsa/LICENSE

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+The MIT License (MIT)
+
+Copyright (c) 2014-2019 Spomky-Labs
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature-algorithm-eddsa/README.md

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+EdDSA Based Signature Algorithms For JWT-Framework
+==================================================
+
+This repository is a sub repository of [the JWT Framework](https://github.com/web-token/jwt-framework) project and is READ ONLY.
+
+**Please do not submit any Pull Request here.**
+You should go to [the main repository](https://github.com/web-token/jwt-framework) instead.
+
+# Documentation
+
+The official documentation is available as https://web-token.spomky-labs.com/ 
+
+# Licence
+
+This software is release under [MIT licence](LICENSE).

wp-content/plugins/wp-webauthn/vendor/web-token/jwt-signature-algorithm-eddsa/composer.json

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+{
+    "name": "web-token/jwt-signature-algorithm-eddsa",
+    "description": "EdDSA Signature Algorithm the JWT Framework.",
+    "type": "library",
+    "license": "MIT",
+    "keywords": ["JWS", "JWT", "JWE", "JWA", "JWK", "JWKSet", "Jot", "Jose", "RFC7515", "RFC7516", "RFC7517", "RFC7518", "RFC7519", "RFC7520", "Bundle", "Symfony"],
+    "homepage": "https://github.com/web-token",
+    "authors": [
+        {
+            "name": "Florent Morselli",
+            "homepage": "https://github.com/Spomky"
+        },{
+            "name": "All contributors",
+            "homepage": "https://github.com/web-token/jwt-framework/contributors"
+        }
+    ],
+    "autoload": {
+        "psr-4": {
+            "Jose\\Component\\Signature\\Algorithm\\":  ""
+        }
+    },
+    "require": {
+        "ext-sodium": "*",
+        "web-token/jwt-signature": "^2.1"
+    }
+}