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diff --git a/certmanager/lib/kleo/signjob.h b/certmanager/lib/kleo/signjob.h
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+/*
+    signjob.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_SIGNJOB_H__
+#define __KLEO_SIGNJOB_H__
+
+#include <gpgmepp/context.h> // for Context::SignatureMode (or should
+			     // we roll our own enum here?)
+#include "job.h"
+#include <qcstring.h>
+
+#include <vector>
+
+namespace GpgME {
+  class Error;
+  class Key;
+  class SigningResult;
+}
+
+
+namespace Kleo {
+
+  /**
+     @short An abstract base class for asynchronous signing
+
+     To use a SignJob, first obtain an instance from the CryptoBackend
+     implementation, connect the progress() and result() signals to
+     suitable slots and then start the signing with a call to
+     start(). This call might fail, in which case the SignJob instance
+     will have scheduled it's own destruction with a call to
+     QObject::deleteLater().
+
+     After result() is emitted, the SignJob will schedule it's own
+     destruction by calling QObject::deleteLater().
+  */
+  class SignJob : public Job {
+    Q_OBJECT
+  protected:
+    SignJob( QObject * parent, const char * name );
+  public:
+    ~SignJob();
+
+    /**
+       Starts the signing operation. \a signers is the list of keys to
+       sign \a plainText with. Empty (null) keys are ignored.
+    */
+    virtual GpgME::Error start( const std::vector<GpgME::Key> & signers,
+				const QByteArray & plainText,
+				GpgME::Context::SignatureMode mode ) = 0;
+    virtual GpgME::SigningResult exec( const std::vector<GpgME::Key> & signers,
+				       const QByteArray & plainText,
+				       GpgME::Context::SignatureMode mode,
+				       QByteArray & signature ) = 0;
+
+  signals:
+    void result( const GpgME::SigningResult & result, const QByteArray & signature );
+  };
+
+}
+
+#endif // __KLEO_SIGNJOB_H__