Index: sources/storage/FileHandler.h
===================================================================
diff -u -rf6c480d06e4b8c770012115d20df2a44e0da8031 -rabd0e958420f25e5b8dd8ce6e21131f8561b99e0
--- sources/storage/FileHandler.h	(.../FileHandler.h)	(revision f6c480d06e4b8c770012115d20df2a44e0da8031)
+++ sources/storage/FileHandler.h	(.../FileHandler.h)	(revision abd0e958420f25e5b8dd8ce6e21131f8561b99e0)
@@ -15,15 +15,8 @@
 #pragma once
 
 // Qt
-#include <QString>
-#include <QStringList>
-#include <QJsonObject>
-#include <QJsonDocument>
-#include <QFileInfoList>
-
 #include <QDebug>
 #include <QDir>
-#include <QFile>
 
 // forward declarations
 class tst_fileHandler;
@@ -67,7 +60,6 @@
 
     static bool write       (const QString &vFileName, const QString &vContent, bool vAppend = true );
     static bool read        (const QString &vFileName,       QString &vContent, bool vAppend = false);
-    static bool read        (const QString &vFileName,   QJsonObject &vContent, QJsonParseError *error = nullptr);
 
     static int  copyFolder  (const QString     &vSource , const QString     &vDestination);
     static int  moveFolder  (const QString     &vSource , const QString     &vDestination);
@@ -86,6 +78,9 @@
 
     static bool isPathSymLink(const QString &vFilePath);
 
+    static QString sha256sum( QString vFileName, bool *vOk = nullptr );
+
+
     /*!
      * \brief   FileHandler::copyFile
      * \details Copies a file chunk by chunk