/****************************************************************************
**
** Copyright (C) 2015 The Qt Company Ltd.
** Copyright (C) 2016-2019 Ivailo Monev
**
** This file is part of the QtCore module of the Qt Toolkit.
**
** $QT_BEGIN_LICENSE:LGPL$
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 or version 3 as published by the Free
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** LICENSE.LGPLv3 included in the packaging of this file. Please review the
** following information to ensure the GNU Lesser General Public License
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** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
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** rights. These rights are described in The Qt Company LGPL Exception
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** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
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****************************************************************************/

#ifndef QCRYPTOGRAPHICSHASH_H
#define QCRYPTOGRAPHICSHASH_H

#include <QtCore/qbytearray.h>

QT_BEGIN_HEADER

QT_BEGIN_NAMESPACE


class QCryptographicHashPrivate;
class QIODevice;

class Q_CORE_EXPORT QCryptographicHash
{
public:
    enum Algorithm {
        Md4,
        Md5,
        Sha1,
        Sha224,
        Sha256,
        Sha384,
        Sha512
    };

    explicit QCryptographicHash(Algorithm method);
    ~QCryptographicHash();

    void reset();

    void addData(const char *data, int length);
    inline void addData(const QByteArray &data)
        { addData(data.constData(), data.length()); }
    bool addData(QIODevice* device);

    QByteArray result() const;

    static QByteArray hash(const QByteArray &data, Algorithm method);
private:
    Q_DISABLE_COPY(QCryptographicHash)
    QCryptographicHashPrivate *d;
};

QT_END_NAMESPACE

QT_END_HEADER

#endif // QCRYPTOGRAPHICSHASH_H