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/******************************************************************************
**
** Copyright (C) 2019 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of the QtKnx module.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
******************************************************************************/
#ifndef QKNXSECUREKEY_H
#define QKNXSECUREKEY_H
#include <QtCore/qshareddata.h>
#include <QtKnx/qknxbytearray.h>
#include <QtKnx/qtknxglobal.h>
QT_BEGIN_NAMESPACE
class QKnxSecureKeyData;
class Q_KNX_EXPORT QKnxSecureKey final
{
public:
enum class Type : quint8 {
Private,
Public,
Invalid
};
QKnxSecureKey::Type type() const;
QKnxSecureKey();
~QKnxSecureKey();
bool isNull() const;
bool isValid() const;
QKnxByteArray bytes() const;
static QKnxSecureKey fromBytes(QKnxSecureKey::Type type,
const QKnxByteArray &data,
quint16 index = 0);
static QKnxSecureKey generatePrivateKey();
static QKnxSecureKey publicKeyFromPrivate(const QKnxSecureKey &privateKey);
static QKnxSecureKey publicKeyFromPrivate(const QKnxByteArray &privateKey);
static void generateKeys(QKnxSecureKey *privateKey, QKnxSecureKey *publicKey);
static QKnxByteArray sharedSecret(const QKnxSecureKey &privateKey,
const QKnxSecureKey &peerPublicKey);
static QKnxByteArray sharedSecret(const QKnxByteArray &privateKey,
const QKnxByteArray &peerPublicKey);
QKnxSecureKey(const QKnxSecureKey &other);
QKnxSecureKey &operator=(const QKnxSecureKey &other);
bool operator==(const QKnxSecureKey &other) const;
bool operator!=(const QKnxSecureKey &other) const;
private:
QSharedDataPointer<QKnxSecureKeyData> d_ptr;
};
QT_END_NAMESPACE
#endif
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