tree changes

libs/main/io_utils/piethutilbase.h

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+/*! \file piethutilbase.h
+ * \brief Base class for ethernet utils
+*/
+/*
+	PIP - Platform Independent Primitives
+	Base class for ethernet utils
+	Ivan Pelipenko peri4ko@yandex.ru
+
+	This program is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+
+	This program is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+
+	You should have received a copy of the GNU Lesser General Public License
+	along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifndef PIETHUTILBASE_H
+#define PIETHUTILBASE_H
+
+#include "pip_io_utils_export.h"
+#include "pibytearray.h"
+
+class PIP_IO_UTILS_EXPORT PIEthUtilBase {
+public:
+	PIEthUtilBase();
+	~PIEthUtilBase();
+
+	//! Set crypt layer enabled
+	void setCryptEnabled(bool on);
+
+	//! Enable crypt layer
+	void cryptEnable();
+
+	//! Disable crypt layer
+	void cryptDisable();
+
+	//! Returns if crypt layer enabled
+	bool isCryptEnabled() const;
+
+
+	//! Set crypt layer key to \"k\"
+	void setCryptKey(const PIByteArray & k);
+
+	//! Generate crypt layer key by \a PICrypt::hash and
+	//! set crypt layer enabled
+	void createCryptKey(const PIString & k);
+
+	//! Returns crypt layer key
+	PIByteArray cryptKey() const;
+
+protected:
+
+	/*! \brief Returns encrypted data if layer enabled,
+	 *  otherwise returns unchanged \"data\" */
+	PIByteArray   cryptData(const PIByteArray & data);
+
+	/*! \brief Returns decrypted data if layer enabled,
+	 *  otherwise returns unchanged \"data\". If decryption
+	 *  was unsuccessfull returns empty %PIByteArray. */
+	PIByteArray decryptData(const PIByteArray & data);
+
+private:
+	PIByteArray _key;
+	bool _crypt;
+
+};
+
+#endif // PIETHUTILBASE_H