mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2024-10-01 01:26:01 -04:00
59 lines
1.8 KiB
C++
59 lines
1.8 KiB
C++
/*
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* Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 or (at your option)
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* version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef KEEPASSX_SYMMETRICCIPHERSTREAM_H
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#define KEEPASSX_SYMMETRICCIPHERSTREAM_H
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#include <QByteArray>
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#include <QScopedPointer>
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#include "crypto/SymmetricCipher.h"
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#include "streams/LayeredStream.h"
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class SymmetricCipherStream : public LayeredStream
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{
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Q_OBJECT
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public:
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SymmetricCipherStream(QIODevice* baseDevice, SymmetricCipher::Algorithm algo,
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SymmetricCipher::Mode mode, SymmetricCipher::Direction direction);
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~SymmetricCipherStream();
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bool init(const QByteArray& key, const QByteArray& iv);
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bool open(QIODevice::OpenMode mode) override;
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bool reset() override;
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void close() override;
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protected:
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qint64 readData(char* data, qint64 maxSize) override;
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qint64 writeData(const char* data, qint64 maxSize) override;
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private:
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void resetInternalState();
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bool readBlock();
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bool writeBlock(bool lastBlock);
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const QScopedPointer<SymmetricCipher> m_cipher;
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QByteArray m_buffer;
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int m_bufferPos;
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bool m_bufferFilling;
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bool m_error;
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bool m_isInitalized;
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bool m_dataWritten;
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};
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#endif // KEEPASSX_SYMMETRICCIPHERSTREAM_H
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