cryptodtochannel.h

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// SPDX-FileCopyrightText: Copyright (C) 2019 swift Project Community / Contributors
// SPDX-License-Identifier: GPL-3.0-or-later OR LicenseRef-swift-pilot-client-1
 
 
#ifndef SWIFT_CORE_AFV_CRYPTO_CRYPTODTOCHANNEL_H
#define SWIFT_CORE_AFV_CRYPTO_CRYPTODTOCHANNEL_H
 
#include <QByteArray>
#include <QDateTime>
#include <QVector>
 
#include "core/afv/crypto/cryptodtomode.h"
#include "core/afv/dto.h"
 
namespace swift::core::afv::crypto
{
    class CCryptoDtoChannel
    {
    public:
        CCryptoDtoChannel(const CryptoDtoChannelConfigDto &channelConfig, int receiveSequenceHistorySize = 10);
 
        QByteArray getTransmitKey(CryptoDtoMode mode);
        QByteArray getTransmitKey(CryptoDtoMode mode, uint &sequenceToSend);
 
        QString getChannelTag() const;
 
        QByteArray getReceiveKey(CryptoDtoMode mode);
 
        bool checkReceivedSequence(uint sequenceReceived);
 
    private:
        bool contains(uint sequence) const;
        uint getMin(int &minIndex) const;
 
        QByteArray m_aeadTransmitKey;
        QByteArray m_aeadReceiveKey;
 
        uint m_transmitSequence = 0;
        QVector<uint> m_receiveSequenceHistory;
        int m_receiveSequenceHistoryDepth;
        int m_receiveSequenceSizeMaxSize;
 
        QByteArray m_hmacKey;
        QString m_channelTag;
        QDateTime m_LastTransmitUtc;
        QDateTime m_lastReceiveUtc;
    };
} // namespace swift::core::afv::crypto
 
#endif // SWIFT_CORE_AFV_CRYPTO_CRYPTODTOCHANNEL_H