Adding upstream version 4:24.2.0.upstream/4%24.2.0

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 53 insertions, 0 deletions

diff --git a/package/inc/EncryptedDataHeader.hxx b/package/inc/EncryptedDataHeader.hxx
new file mode 100644
index 0000000000..2f92dea60a
--- /dev/null
+++ b/package/inc/EncryptedDataHeader.hxx
@@ -0,0 +1,53 @@
+/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
+/*
+ * This file is part of the LibreOffice project.
+ *
+ * This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/.
+ *
+ * This file incorporates work covered by the following license notice:
+ *
+ *   Licensed to the Apache Software Foundation (ASF) under one or more
+ *   contributor license agreements. See the NOTICE file distributed
+ *   with this work for additional information regarding copyright
+ *   ownership. The ASF licenses this file to you under the Apache
+ *   License, Version 2.0 (the "License"); you may not use this file
+ *   except in compliance with the License. You may obtain a copy of
+ *   the License at http://www.apache.org/licenses/LICENSE-2.0 .
+ */
+#ifndef INCLUDED_PACKAGE_INC_ENCRYPTEDDATAHEADER_HXX
+#define INCLUDED_PACKAGE_INC_ENCRYPTEDDATAHEADER_HXX
+
+#include <sal/types.h>
+
+/* The structure of this header is as follows:
+
+   Header signature  4 bytes
+   Version number    2 bytes
+   PBKDF2 Iteration count   4 bytes
+   Argon2 t_cost     4 bytes
+   Argon2 m_cost     4 bytes
+   Argon2 lanes      4 bytes
+   Size              4 bytes
+   EncAlgorithm      4 bytes
+   DigestAlgorithm   4 bytes
+   DerivedKeySize    4 bytes
+   StartKeyAlgorithm 4 bytes
+   Salt length       2 bytes
+   IV length         2 bytes
+   Digest length     2 bytes
+   MediaType length  2 bytes
+   Salt content      X bytes
+   IV content        X bytes
+   digest content    X bytes
+   MediaType         X bytes
+
+*/
+const sal_uInt32 n_ConstHeader = 0x05024d4dL; // "MM\002\005"
+const sal_Int32 n_ConstHeaderSize
+    = 50; // + salt length + iv length + digest length + mediatype length
+const sal_Int16 n_ConstCurrentVersion = 2;
+#endif
+
+/* vim:set shiftwidth=4 softtabstop=4 expandtab: */