# defender-security/6.3.0/lib/packages/Cose/Algorithm/Signature/EdDSA/ED256.php

Defender Security – Malware Scanner, Login Security & Firewall, version 6.3.0. 41 lines.

- Page: https://pluginprobe.com/plugins/defender-security/6.3.0/code/lib/packages/Cose/Algorithm/Signature/EdDSA/ED256.php
- Raw: https://pluginprobe.com/plugins/defender-security/6.3.0/raw/lib/packages/Cose/Algorithm/Signature/EdDSA/ED256.php
- Modified: 2026-08-24T08:19:12+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/defender-security/6.3.0/code/lib/packages/Cose/Algorithm/Signature/EdDSA/ED256.php#L10-L20`.

```php
<?php

declare(strict_types=1);

/*
 * The MIT License (MIT)
 *
 * Copyright (c) 2014-2021 Spomky-Labs
 *
 * This software may be modified and distributed under the terms
 * of the MIT license.  See the LICENSE file for details.
 */

namespace WP_DEFENDER_VENDOR\Cose\Algorithm\Signature\EdDSA;

use WP_DEFENDER_VENDOR\Cose\Key\Key;

final class ED256 extends EdDSA
{
    public const ID = -260;

    public static function identifier(): int
    {
        return self::ID;
    }

    public function sign(string $data, Key $key): string
    {
        $hashedData = hash('sha256', $data, true);

        return parent::sign($hashedData, $key);
    }

    public function verify(string $data, Key $key, string $signature): bool
    {
        $hashedData = hash('sha256', $data, true);

        return parent::verify($hashedData, $key, $signature);
    }
}

```