CryptoEngine.hxx

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#ifndef INCLUDED_OOX_CRYPTO_CRYPTOENGINE_HXX
#define INCLUDED_OOX_CRYPTO_CRYPTOENGINE_HXX
 
#include <vector>
 
#include <rtl/ustring.hxx>
#include <sal/types.h>
 
#include <com/sun/star/io/XInputStream.hpp>
#include <com/sun/star/io/XOutputStream.hpp>
 
namespace oox {
    class BinaryXInputStream;
    class BinaryXOutputStream;
}
 
namespace oox::crypto {
 
class CryptoEngine
{
protected:
    std::vector<sal_uInt8> mKey;
 
public:
    CryptoEngine()
    {}
 
    virtual ~CryptoEngine()
    {}
 
    // Decryption
    virtual bool readEncryptionInfo(css::uno::Reference<css::io::XInputStream> & rxInputStream) = 0;
 
    virtual bool generateEncryptionKey(const OUString& rPassword) = 0;
 
    virtual bool decrypt(
                    BinaryXInputStream& aInputStream,
                    BinaryXOutputStream& aOutputStream) = 0;
 
    // Encryption
    virtual void writeEncryptionInfo(BinaryXOutputStream & rStream) = 0;
 
    virtual bool setupEncryption(const OUString& rPassword) = 0;
 
    virtual void encrypt(const css::uno::Reference<css::io::XInputStream> & rxInputStream,
                         css::uno::Reference<css::io::XOutputStream> & rxOutputStream,
                         sal_uInt32 nSize) = 0;
 
    virtual bool checkDataIntegrity() = 0;
};
 
} // namespace oox::crypto
 
#endif
 
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