1 files changed, 99 insertions, 0 deletions
diff --git a/installerbuilder/libinstaller/kdtools/KDUpdater/kdupdatercrypto.h b/installerbuilder/libinstaller/kdtools/KDUpdater/kdupdatercrypto.h
new file mode 100644
index 000000000..15d0011a0
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+++ b/installerbuilder/libinstaller/kdtools/KDUpdater/kdupdatercrypto.h
@@ -0,0 +1,99 @@
+/****************************************************************************
+** Copyright (C) 2001-2010 Klaralvdalens Datakonsult AB.  All rights reserved.
+**
+** This file is part of the KD Tools library.
+**
+** Licensees holding valid commercial KD Tools licenses may use this file in
+** accordance with the KD Tools Commercial License Agreement provided with
+** the Software.
+**
+**
+** This file may be distributed and/or modified under the terms of the
+** GNU Lesser General Public License version 2 and version 3 as published by the
+** Free Software Foundation and appearing in the file LICENSE.LGPL included.
+**
+** This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
+** WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
+**
+** Contact info@kdab.com if any conditions of this licensing are not
+** clear to you.
+**
+**********************************************************************/
+
+#ifndef __KDTOOLS_KDUPDATERCRYPTO_H__
+#define __KDTOOLS_KDUPDATERCRYPTO_H__
+
+#include "kdupdater.h"
+
+class QByteArray;
+class QIODevice;
+
+#include <KDToolsCore/pimpl_ptr.h>
+
+/**
+ * Class that provides cryptographic functionality like signing and verifying
+ * or encrypting and decrypting content.
+ */
+class KDTOOLS_UPDATER_EXPORT KDUpdaterCrypto {
+    public:
+        class PasswordProvider
+        {
+        public:
+            virtual ~PasswordProvider() {}
+            virtual QByteArray password() const = 0;
+        };
+        
+        KDUpdaterCrypto();
+        virtual ~KDUpdaterCrypto();
+
+        /**
+         * The private key.
+         */
+        QByteArray privateKey() const;
+        void setPrivateKey(const QByteArray &key);
+        
+        /**
+         * The password for the private key.
+         */
+        QByteArray privatePassword() const;
+        void setPrivatePassword(const QByteArray &passwd);
+
+        void setPrivatePasswordProvider( const PasswordProvider* provider );
+
+        /**
+         * The public key.
+         */
+        QByteArray publicKey() const;
+        void setPublicKey(const QByteArray &key);
+
+        /**
+         * Encrypt content using the public key.
+         */
+        QByteArray encrypt(const QByteArray &plaintext);
+
+        /**
+         * Decript encrypted content using the private key.
+         */
+        QByteArray decrypt(const QByteArray &encryptedtext);
+        
+        /**
+         * Sign content with the private key.
+         */
+        QByteArray sign(const QByteArray &data);
+        QByteArray sign( const QString& path );
+        QByteArray sign( QIODevice* dev );
+
+        /**
+         * Verify signed content with the public key.
+         */
+        bool verify(const QByteArray &data, const QByteArray &signature);
+        bool verify( const QString& dataPath, const QString& signaturePath );
+        bool verify( const QString& dataPath, const QByteArray& signature );
+        bool verify( QIODevice* dev, const QByteArray& signature );
+
+    private:
+        class Private;
+        kdtools::pimpl_ptr< Private > d;
+};
+
+#endif