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/*
verifyopaquejob.h
This file is part of libkleopatra, the KDE keymanagement library
Copyright (c) 2004 Klarälvdalens Datakonsult AB
Libkleopatra 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.
Libkleopatra 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 __KLEO_VERIFYOPAQUEJOB_H__
#define __KLEO_VERIFYOPAQUEJOB_H__
#include "job.h"
#include <qcstring.h>
namespace GpgME {
class Error;
class Key;
class VerificationResult;
}
namespace Kleo {
/**
@short An abstract base class for asynchronous verification of opaque signatures
To use a VerifyOpaqueJob, first obtain an instance from the
CryptoBackend implementation, connect the progress() and result()
signals to suitable slots and then start the verification with a
call to start(). This call might fail, in which case the
VerifyOpaqueJob instance will have scheduled it's own
destruction with a call to QObject::deleteLater().
After result() is emitted, the VerifyOpaqueJob will schedule
it's own destruction by calling QObject::deleteLater().
*/
class VerifyOpaqueJob : public Job {
Q_OBJECT
protected:
VerifyOpaqueJob( QObject * parent, const char * name );
public:
~VerifyOpaqueJob();
/**
Starts the verification operation. \a signature contains the
signature data, while \a signedData contains the data over
which the signature was made.
*/
virtual GpgME::Error start( const QByteArray & signedData ) = 0;
/** Synchronous version of @ref start */
virtual GpgME::VerificationResult exec( const QByteArray & signedData, QByteArray & plainText ) = 0;
signals:
void result( const GpgME::VerificationResult & result, const QByteArray & plainText );
};
}
#endif // __KLEO_VERIFYOPAQUEJOB_H__
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