/****************************************************************************
**
** Copyright (C) 2014 Digia Plc and/or its subsidiary(-ies).
** Contact: http://www.qt-project.org/legal
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** This file is part of the QtNetwork module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL21$
** 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
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** use the contact form at http://qt.digia.com/contact-us.
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** Alternatively, this file may be used under the terms of the GNU Lesser
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** In addition, as a special exception, Digia gives you certain additional
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** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
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****************************************************************************/


#ifndef QSSLKEY_H
#define QSSLKEY_H

#include <QtCore/qnamespace.h>
#include <QtCore/qbytearray.h>
#include <QtCore/qsharedpointer.h>
#include <QtNetwork/qssl.h>

QT_BEGIN_NAMESPACE


#ifndef QT_NO_SSL

template <typename A, typename B> struct QPair;

class QIODevice;

class QSslKeyPrivate;
class Q_NETWORK_EXPORT QSslKey
{
public:
    QSslKey();
    QSslKey(const QByteArray &encoded, QSsl::KeyAlgorithm algorithm,
            QSsl::EncodingFormat format = QSsl::Pem,
            QSsl::KeyType type = QSsl::PrivateKey,
            const QByteArray &passPhrase = QByteArray());
    QSslKey(QIODevice *device, QSsl::KeyAlgorithm algorithm,
            QSsl::EncodingFormat format = QSsl::Pem,
            QSsl::KeyType type = QSsl::PrivateKey,
            const QByteArray &passPhrase = QByteArray());
    explicit QSslKey(Qt::HANDLE handle, QSsl::KeyType type = QSsl::PrivateKey);
    QSslKey(const QSslKey &other);
    ~QSslKey();
    QSslKey &operator=(const QSslKey &other);

    inline void swap(QSslKey &other) { qSwap(d, other.d); }

    bool isNull() const;
    void clear();

    int length() const;
    QSsl::KeyType type() const;
    QSsl::KeyAlgorithm algorithm() const;

    QByteArray toPem(const QByteArray &passPhrase = QByteArray()) const;
    QByteArray toDer(const QByteArray &passPhrase = QByteArray()) const;

    Qt::HANDLE handle() const;

    bool operator==(const QSslKey &key) const;
    inline bool operator!=(const QSslKey &key) const { return !operator==(key); }

private:
    QExplicitlySharedDataPointer<QSslKeyPrivate> d;
    friend class QSslCertificate;
    friend class QSslSocketBackendPrivate;
};

Q_DECLARE_SHARED(QSslKey)

#ifndef QT_NO_DEBUG_STREAM
class QDebug;
Q_NETWORK_EXPORT QDebug operator<<(QDebug debug, const QSslKey &key);
#endif

#endif // QT_NO_SSL

QT_END_NAMESPACE

#endif
