Class CryptFile

libcppcryptfs/file/cryptfile.h:47–89

class KeyDecryptor;

class CryptFile {
public:

	FileHeader m_header;
	LONGLONG m_real_file_size;
	bool m_is_empty;	

	HANDLE m_handle;

	wstring m_path;

	CryptContext *m_con;

	KeyDecryptor *m_pkdc;

	static CryptFile *NewInstance(CryptContext *con);


	void GetKeys(); 

	virtual BOOL Associate(CryptContext *con, HANDLE hfile, LPCWSTR inputPath, bool bForWrite) = 0;


	virtual BOOL Read(unsigned char *buf, DWORD buflen, LPDWORD pNread, LONGLONG offset) = 0;

	virtual BOOL Write(const unsigned char *buf, DWORD buflen, LPDWORD pNwritten, LONGLONG offset, BOOL bWriteToEndOfFile, BOOL bPagingIo) = 0;

	virtual BOOL SetEndOfFile(LONGLONG offset, BOOL bSet = TRUE) = 0;

	virtual BOOL LockFile(LONGLONG ByteOffset, LONGLONG Length) = 0;

	virtual BOOL UnlockFile(LONGLONG ByteOffset, LONGLONG Length) = 0;

	BOOL NotImplemented() { SetLastError(ERROR_ACCESS_DENIED); return FALSE; };

	// disallow copying
	CryptFile(CryptFile const&) = delete;
	void operator=(CryptFile const&) = delete;

	CryptFile();
	virtual ~CryptFile();

};

class CryptFileForward:  public CryptFile
{