include/oox/crypto/Standard2007Engine.hxx

   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
   6  * License, v. 2.0. If a copy of the MPL was not distributed with this
   7  * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   8  *
   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(std::u16string_view 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: */