First commit of IT-Sicherheit

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+#ifndef TABASYMMETRIC_H
+#define TABASYMMETRIC_H
+
+#include <QWidget>
+
+#include "cipherssingleton.h"
+
+namespace Ui {
+class TabAsymmetric;
+}
+
+
+/**
+* \class TabAsymmetric
+* \brief TabWidget for the TabWidgetSelectAlgorithm, Asymmetric Ciphers.
+*
+* This Widget contains all Settings necessary for Asymmetric Ciphers and is used as a Tab in the TabWidgetSelectAlgorithm-Class.
+* \author Uwe Gogolin [Gogolin.Uwe@FH-SWF.de]
+* \version 0.2
+* \date 13.05s.2013
+*/
+class TabAsymmetric : public QWidget
+{
+    Q_OBJECT
+    
+public: //Methods
+    /**
+    * \brief Class Constructor.
+    *
+    * Class Constructor. Initializes Graphical Elements of the Widget.
+    * \param QWidget* parent The QWidget the used instance of this class is subordinated to.
+    */
+    TabAsymmetric(QWidget *parent = 0);
+
+
+    /**
+    * \brief Class Destructor.
+    *
+    * Class Destructor. Deletes the ui-Object containing the graphical Elements.
+    */
+    ~TabAsymmetric();
+    
+
+signals:
+    /**
+    * \brief SIGNAL to inform other Classes when a Cipher gets selected.
+    *
+    * This Signal is used to inform other Classes when a Cipher gets selected.
+    * \param int cipher The Integer referencing the selected Cipher according to the Class CiphersSingleton.
+    */
+    void cipherChanged(int cipher);
+
+
+    /**
+    * \brief SIGNAL to inform other Classes when the Keylength is changed.
+    *
+    * This Signal is used to inform other Classes when the Keylength is changed.
+    * \param int keyLength The new Keylength.
+    * \param bool symmetric True if Length for Symmetric Cipher, false if for asymmetric Cipher.
+    */
+    void keyLengthChanged(int keyLength, bool symmetric);
+
+
+private slots:
+    /**
+    * \brief SLOT to pass on the new Keylength.
+    *
+    * Called when a new Keylength is selected. Passes the value on in connection with a bool
+    * set to true, signifying that it is for a symmetric Cipher.
+    * \param int value The new Keylength.
+    */
+    void on_spinBoxKeylength_valueChanged(int value);
+
+
+private: //Attributes
+    /**
+    * \brief Pointer to GUI-Object.
+    */
+    Ui::TabAsymmetric *ui;
+};
+
+#endif // TABASYMMETRIC_H