1 files changed, 30 insertions, 0 deletions
diff --git a/lib/public/User/Backend/IPasswordHashBackend.php b/lib/public/User/Backend/IPasswordHashBackend.php
new file mode 100644
index 00000000000..2525b4e45ea
--- /dev/null
+++ b/lib/public/User/Backend/IPasswordHashBackend.php
@@ -0,0 +1,30 @@
+<?php
+
+declare(strict_types=1);
+
+/**
+ * SPDX-FileCopyrightText: 2024 Nextcloud GmbH and Nextcloud contributors
+ * SPDX-License-Identifier: AGPL-3.0-or-later
+ */
+
+namespace OCP\User\Backend;
+
+use InvalidArgumentException;
+
+/**
+ * @since 30.0.0
+ */
+interface IPasswordHashBackend {
+	/**
+	 * @return ?string the password hash hashed by `\OCP\Security\IHasher::hash()`
+	 * @since 30.0.0
+	 */
+	public function getPasswordHash(string $userId): ?string;
+
+	/**
+	 * @param string $passwordHash the password hash hashed by `\OCP\Security\IHasher::hash()`
+	 * @throws InvalidArgumentException when `$passwordHash` is not a valid hash
+	 * @since 30.0.0
+	 */
+	public function setPasswordHash(string $userId, string $passwordHash): bool;
+}