include/oox/crypto/AgileEngine.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_AGILEENGINE_HXX
  12 #define INCLUDED_OOX_CRYPTO_AGILEENGINE_HXX
  13
  14 #include <vector>
  15
  16 #include <oox/crypto/CryptTools.hxx>
  17 #include <oox/crypto/CryptoEngine.hxx>
  18 #include <rtl/ustring.hxx>
  19 #include <sal/types.h>
  20
  21 namespace oox {
  22     class BinaryXInputStream;
  23     class BinaryXOutputStream;
  24 }
  25
  26 namespace oox {
  27 namespace core {
  28
  29 struct AgileEncryptionInfo
  30 {
  31     sal_Int32 spinCount;
  32     sal_Int32 saltSize;
  33     sal_Int32 keyBits;
  34     sal_Int32 hashSize;
  35     sal_Int32 blockSize;
  36
  37     OUString cipherAlgorithm;
  38     OUString cipherChaining;
  39     OUString hashAlgorithm;
  40
  41     std::vector<sal_uInt8> keyDataSalt;
  42     std::vector<sal_uInt8> saltValue;
  43     std::vector<sal_uInt8> encryptedVerifierHashInput;
  44     std::vector<sal_uInt8> encryptedVerifierHashValue;
  45     std::vector<sal_uInt8> encryptedKeyValue;
  46 };
  47
  48 class AgileEngine : public CryptoEngine
  49 {
  50     AgileEncryptionInfo mInfo;
  51
  52     void calculateHashFinal(const OUString& rPassword, std::vector<sal_uInt8>& aHashFinal);
  53
  54     void calculateBlock(
  55             std::vector<sal_uInt8> const & rBlock,
  56             std::vector<sal_uInt8>& rHashFinal,
  57             std::vector<sal_uInt8>& rInput,
  58             std::vector<sal_uInt8>& rOutput);
  59
  60     static Crypto::CryptoType cryptoType(const AgileEncryptionInfo& rInfo);
  61
  62 public:
  63     AgileEngine() = default;
  64
  65     AgileEncryptionInfo& getInfo() { return mInfo;}
  66
  67     virtual void writeEncryptionInfo(
  68                     const OUString& rPassword,
  69                     BinaryXOutputStream& rStream) override;
  70
  71     virtual bool generateEncryptionKey(const OUString& rPassword) override;
  72
  73     virtual bool decrypt(
  74                     BinaryXInputStream& aInputStream,
  75                     BinaryXOutputStream& aOutputStream) override;
  76
  77     virtual void encrypt(
  78                     BinaryXInputStream& aInputStream,
  79                     BinaryXOutputStream& aOutputStream) override;
  80 };
  81
  82 } // namespace core
  83 } // namespace oox
  84
  85 #endif
  86
  87 /* vim:set shiftwidth=4 softtabstop=4 expandtab: */