TYPO3 v15 dev-main snapshot ()

2026-08-10 22:31:09 +02:00
commit af8cc155b5
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+<?php
+
+declare(strict_types=1);
+
+/*
+ * This file is part of the TYPO3 CMS project.
+ *
+ * It is free software; you can redistribute it and/or modify it under
+ * the terms of the GNU General Public License, either version 2
+ * of the License, or any later version.
+ *
+ * For the full copyright and license information, please read the
+ * LICENSE.txt file that was distributed with this source code.
+ *
+ * The TYPO3 project - inspiring people to share!
+ */
+
+namespace TYPO3\CMS\Core\Crypto\Cipher;
+
+/**
+ * Holds the secret key to be used with XChaCha20-Poly1305
+ * (and basically other Sodium-based algorithms), having 32 bytes.
+ */
+final readonly class SharedKey
+{
+    public function __construct(#[\SensitiveParameter] public string $value)
+    {
+        if (strlen($this->value) !== SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES) {
+            throw new CipherException(
+                sprintf(
+                    'Length of key value must be %d bytes',
+                    SODIUM_CRYPTO_AEAD_XCHACHA20POLY1305_IETF_KEYBYTES
+                ),
+                1762508248
+            );
+        }
+    }
+}