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diff --git a/lang/qt/src/decryptverifyarchivejob.h b/lang/qt/src/decryptverifyarchivejob.h
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+++ b/lang/qt/src/decryptverifyarchivejob.h
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+/*
+    decryptverifyarchivejob.h
+
+    This file is part of qgpgme, the Qt API binding for gpgme
+    Copyright (c) 2023 g10 Code GmbH
+    Software engineering by Ingo Klöcker <dev@ingo-kloecker.de>
+
+    QGpgME is free software; you can redistribute it and/or
+    modify it under the terms of the GNU General Public License as
+    published by the Free Software Foundation; either version 2 of the
+    License, or (at your option) any later version.
+
+    QGpgME is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program; if not, write to the Free Software
+    Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
+
+    In addition, as a special exception, the copyright holders give
+    permission to link the code of this program with any edition of
+    the Qt library by Trolltech AS, Norway (or with modified versions
+    of Qt that use the same license as Qt), and distribute linked
+    combinations including the two.  You must obey the GNU General
+    Public License in all respects for all of the code used other than
+    Qt.  If you modify this file, you may extend this exception to
+    your version of the file, but you are not obligated to do so.  If
+    you do not wish to do so, delete this exception statement from
+    your version.
+*/
+
+#ifndef __QGPGME_DECRYPTVERIFYARCHIVEJOB_H__
+#define __QGPGME_DECRYPTVERIFYARCHIVEJOB_H__
+
+#include "job.h"
+
+#ifdef BUILDING_QGPGME
+# include "context.h"
+#else
+# include <gpgme++/context.h>
+#endif
+
+namespace GpgME
+{
+class Key;
+}
+
+namespace QGpgME
+{
+
+/**
+ * Abstract base class for job for decrypting encrypted (signed) archives
+ */
+class QGPGME_EXPORT DecryptVerifyArchiveJob : public Job
+{
+    Q_OBJECT
+protected:
+    explicit DecryptVerifyArchiveJob(QObject *parent);
+public:
+    ~DecryptVerifyArchiveJob() override;
+
+    static bool isSupported();
+
+    /**
+     * Sets the path of the file to read the archive from.
+     *
+     * Used if the job is started with startIt().
+     */
+    void setInputFile(const QString &path);
+    QString inputFile() const;
+
+    /**
+     * Sets the directory the content of the decrypted archive shall be
+     * written to.
+     */
+    void setOutputDirectory(const QString &outputDirectory);
+    QString outputDirectory() const;
+
+    /**
+     * Starts the decryption of an encrypted (and signed) archive.
+     *
+     * Decrypts and extracts the encrypted archive in \a cipherText. If the
+     * archive is signed, then the signature is verified.
+     * If a non-empty output directory was set, then the content of the archive
+     * is extracted into this directory. Otherwise, it is extracted into a
+     * directory named \c GPGARCH_n_ (where \c n is a number).
+     *
+     * Emits result() when the job has finished.
+     */
+    virtual GpgME::Error start(const std::shared_ptr<QIODevice> &cipherText) = 0;
+
+Q_SIGNALS:
+    /**
+     * This signal is emitted whenever gpgtar sends a progress status update for
+     * the number of files. In the scanning phase (i.e. while gpgtar checks
+     * which files to put into the archive), \a current is the current number of
+     * files and \a total is 0. In the writing phase, \a current is the number
+     * of processed files and \a total is the total number of files.
+     */
+    void fileProgress(int current, int total);
+
+    /**
+     * This signal is emitted whenever gpgtar sends a progress status update for
+     * the amount of processed data. It is only emitted in the writing phase.
+     * \a current is the processed amount data and \a total is the total amount
+     * of data to process. Both values never exceed 2^20.
+     */
+    void dataProgress(int current, int total);
+
+    void result(const GpgME::DecryptionResult &decryptionResult,
+                const GpgME::VerificationResult &verificationResult,
+                const QString &auditLogAsHtml = {},
+                const GpgME::Error &auditLogError = {});
+};
+
+}
+
+#endif // __QGPGME_DECRYPTVERIFYARCHIVEJOB_H__