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/* -*- Mode: C++; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* libwpd
* Version: MPL 2.0 / LGPLv2.1+
*
* 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/.
*
* Major Contributor(s):
* Copyright (C) 2007 Jaroslav Fojtik (JaFojtik@seznam.cz)
* Copyright (C) 2007 Fridrich Strba (fridrich.strba@bluewin.ch)
*
* For minor contributions see the git repository.
*
* Alternatively, the contents of this file may be used under the terms
* of the GNU Lesser General Public License Version 2.1 or later
* (LGPLv2.1+), in which case the provisions of the LGPLv2.1+ are
* applicable instead of those above.
*
* For further information visit http://libwpd.sourceforge.net
*/
/* "This product is not manufactured, approved, or supported by
* Corel Corporation or Corel Corporation Limited."
*/
#ifndef WPXENCRYPTION_H
#define WPXENCRYPTION_H
#include <memory>
#include <librevenge/librevenge.h>
#include <libwpd/libwpd.h>
class WPXEncryption
{
public:
WPXEncryption(const char *password, const unsigned long encryptionStartOffset = 0);
~WPXEncryption();
const unsigned char *readAndDecrypt(librevenge::RVNGInputStream *input, unsigned long numBytes, unsigned long &numBytesRead);
unsigned short getCheckSum() const;
void setEncryptionStartOffset(unsigned long encryptionStartOffset)
{
m_encryptionStartOffset = encryptionStartOffset;
}
unsigned long getEncryptionStartOffset() const
{
return m_encryptionStartOffset;
}
void setEncryptionMaskBase(unsigned char encryptionMaskBase)
{
m_encryptionMaskBase = encryptionMaskBase;
}
unsigned char getEncryptionMaskBase() const
{
return m_encryptionMaskBase;
}
const librevenge::RVNGString &getEncryptionPassword() const
{
return m_password;
}
private:
std::unique_ptr<unsigned char[]> m_buffer;
librevenge::RVNGString m_password;
unsigned long m_encryptionStartOffset;
unsigned char m_encryptionMaskBase;
// Unimplemented to prevent compiler from creating crasher ones
WPXEncryption(const WPXEncryption &);
WPXEncryption &operator=(const WPXEncryption &);
};
#endif /* WPXENCRYPTION_H */
/* vim:set shiftwidth=4 softtabstop=4 noexpandtab: */
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