1 /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 /*
3  * This file is part of the LibreOffice project.
4  *
5  * This Source Code Form is subject to the terms of the Mozilla Public
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9  */
10 
11 #ifndef INCLUDED_OOX_CRYPTO_STANDARD2007ENGINE_HXX
12 #define INCLUDED_OOX_CRYPTO_STANDARD2007ENGINE_HXX
13 
14 #include <oox/dllapi.h>
15 #include <oox/crypto/CryptoEngine.hxx>
16 #include <filter/msfilter/mscodec.hxx>
17 #include <rtl/ustring.hxx>
18 #include <sal/types.h>
19 
20 namespace oox {
21     class BinaryXInputStream;
22     class BinaryXOutputStream;
23 }
24 
25 namespace oox::crypto {
26 
27 class OOX_DLLPUBLIC Standard2007Engine final : public CryptoEngine
28 {
29     msfilter::StandardEncryptionInfo mInfo;
30 
31     bool generateVerifier();
32     bool calculateEncryptionKey(const OUString& rPassword);
33 
34 public:
35     Standard2007Engine() = default;
36 
37     bool readEncryptionInfo(css::uno::Reference<css::io::XInputStream> & rxInputStream) override;
38 
39     virtual bool generateEncryptionKey(OUString const & rPassword) override;
40 
41     virtual bool decrypt(
42                     BinaryXInputStream& aInputStream,
43                     BinaryXOutputStream& aOutputStream) override;
44 
45     bool checkDataIntegrity() override;
46 
47     void encrypt(const css::uno::Reference<css::io::XInputStream>&  rxInputStream,
48                  css::uno::Reference<css::io::XOutputStream>& rxOutputStream,
49                  sal_uInt32 nSize) override;
50 
51     virtual void writeEncryptionInfo(BinaryXOutputStream& rStream) override;
52 
53     virtual bool setupEncryption(OUString const & rPassword) override;
54 
55 };
56 
57 } // namespace oox::crypto
58 
59 #endif
60 
61 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
62