/src/libwpd/src/lib/WPXEncryption.h
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1 | | /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */ |
2 | | /* libwpd |
3 | | * Version: MPL 2.0 / LGPLv2.1+ |
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 | | * Major Contributor(s): |
10 | | * Copyright (C) 2007 Jaroslav Fojtik (JaFojtik@seznam.cz) |
11 | | * Copyright (C) 2007 Fridrich Strba (fridrich.strba@bluewin.ch) |
12 | | * |
13 | | * For minor contributions see the git repository. |
14 | | * |
15 | | * Alternatively, the contents of this file may be used under the terms |
16 | | * of the GNU Lesser General Public License Version 2.1 or later |
17 | | * (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are |
18 | | * applicable instead of those above. |
19 | | * |
20 | | * For further information visit http://libwpd.sourceforge.net |
21 | | */ |
22 | | |
23 | | /* "This product is not manufactured, approved, or supported by |
24 | | * Corel Corporation or Corel Corporation Limited." |
25 | | */ |
26 | | |
27 | | #ifndef WPXENCRYPTION_H |
28 | | #define WPXENCRYPTION_H |
29 | | |
30 | | #include <memory> |
31 | | |
32 | | #include <librevenge/librevenge.h> |
33 | | #include <libwpd/libwpd.h> |
34 | | |
35 | | class WPXEncryption |
36 | | { |
37 | | public: |
38 | | WPXEncryption(const char *password, const unsigned long encryptionStartOffset = 0); |
39 | | ~WPXEncryption(); |
40 | | |
41 | | const unsigned char *readAndDecrypt(librevenge::RVNGInputStream *input, unsigned long numBytes, unsigned long &numBytesRead); |
42 | | unsigned short getCheckSum() const; |
43 | | |
44 | | void setEncryptionStartOffset(unsigned long encryptionStartOffset) |
45 | 0 | { |
46 | 0 | m_encryptionStartOffset = encryptionStartOffset; |
47 | 0 | } |
48 | | unsigned long getEncryptionStartOffset() const |
49 | 0 | { |
50 | 0 | return m_encryptionStartOffset; |
51 | 0 | } |
52 | | |
53 | | void setEncryptionMaskBase(unsigned char encryptionMaskBase) |
54 | 0 | { |
55 | 0 | m_encryptionMaskBase = encryptionMaskBase; |
56 | 0 | } |
57 | | unsigned char getEncryptionMaskBase() const |
58 | 0 | { |
59 | 0 | return m_encryptionMaskBase; |
60 | 0 | } |
61 | | |
62 | | const librevenge::RVNGString &getEncryptionPassword() const |
63 | 0 | { |
64 | 0 | return m_password; |
65 | 0 | } |
66 | | |
67 | | private: |
68 | | std::unique_ptr<unsigned char[]> m_buffer; |
69 | | librevenge::RVNGString m_password; |
70 | | unsigned long m_encryptionStartOffset; |
71 | | unsigned char m_encryptionMaskBase; |
72 | | // Unimplemented to prevent compiler from creating crasher ones |
73 | | WPXEncryption(const WPXEncryption &); |
74 | | WPXEncryption &operator=(const WPXEncryption &); |
75 | | }; |
76 | | |
77 | | #endif /* WPXENCRYPTION_H */ |
78 | | /* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */ |