diff --git a/lib/crypto.js b/lib/crypto.js
index 7cac2f33d..2d8e5862c 100644
--- a/lib/crypto.js
+++ b/lib/crypto.js
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2024 XWiki CryptPad Team <contact@cryptpad.org> and contributors
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
 const Nacl = require('tweetnacl/nacl-fast');
 const CPCrypto = module.exports;
 const plugins = require('./plugin-manager');
diff --git a/scripts/testcrypto.js b/scripts/testcrypto.js
index 893ab6ec8..0ee9d0fb7 100644
--- a/scripts/testcrypto.js
+++ b/scripts/testcrypto.js
@@ -1,3 +1,7 @@
+// SPDX-FileCopyrightText: 2024 XWiki CryptPad Team <contact@cryptpad.org> and contributors
+//
+// SPDX-License-Identifier: AGPL-3.0-or-later
+
 let SodiumNative = require('sodium-native');
 let Nacl = require('tweetnacl/nacl-fast');
 let LibSodium = require('libsodium-wrappers');