mirror of
https://github.com/keepassxreboot/keepassxc.git
synced 2025-01-14 00:39:53 -05:00
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*
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* Copyright (C) 2017 KeePassXC Team <team@keepassxc.org>
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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_HMACBLOCKSTREAM_H
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#define KEEPASSX_HMACBLOCKSTREAM_H
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#include <QSysInfo>
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#include "streams/LayeredStream.h"
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class HmacBlockStream : public LayeredStream
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{
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Q_OBJECT
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public:
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explicit HmacBlockStream(QIODevice* baseDevice, QByteArray key);
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HmacBlockStream(QIODevice* baseDevice, QByteArray key, qint32 blockSize);
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~HmacBlockStream() override;
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bool reset() override;
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void close() override;
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static QByteArray getHmacKey(quint64 blockIndex, const QByteArray& key);
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bool atEnd() const 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 init();
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bool readHashedBlock();
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bool writeHashedBlock();
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QByteArray getCurrentHmacKey() const;
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static const QSysInfo::Endian ByteOrder;
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qint32 m_blockSize;
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QByteArray m_buffer;
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QByteArray m_key;
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int m_bufferPos;
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quint64 m_blockIndex;
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bool m_eof;
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bool m_error;
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};
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#endif // KEEPASSX_HMACBLOCKSTREAM_H
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