diff --git a/app/build.gradle b/app/build.gradle
index 0c32004..61bdc69 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -66,10 +66,11 @@ dependencies {
     apkFlavorImplementation 'com.google.firebase:firebase-appindexing:19.2.0'
     apkFlavorImplementation 'com.google.android.gms:play-services-location:17.1.0'
 
-
     implementation 'com.linkedin.dexmaker:dexmaker:2.25.0'
     implementation  'org.apache.commons:commons-lang3:3.0'
 
+    implementation "androidx.security:security-crypto:1.0.0"
+    implementation "androidx.security:security-identity-credential:1.0.0-alpha02"
     implementation 'androidx.appcompat:appcompat:1.2.0'
     implementation 'com.google.android.material:material:1.3.0'
     testImplementation 'junit:junit:4.+'
diff --git a/app/src/main/java/com/jens/automation2/XmlFileInterface.java b/app/src/main/java/com/jens/automation2/XmlFileInterface.java
index 7d69f5a..e253e9f 100644
--- a/app/src/main/java/com/jens/automation2/XmlFileInterface.java
+++ b/app/src/main/java/com/jens/automation2/XmlFileInterface.java
@@ -93,7 +93,7 @@ public class XmlFileInterface
 	                {
 	    	            //start a tag called "root"
 	    	            serializer.startTag(null, "PointOfInterest");
-	    	
+
 		    	            //i indent code just to have a view similar to xml-tree
 		    	            serializer.startTag(null, "name");
 		    	            	serializer.text(PointOfInterest.getPointOfInterestCollection().get(i).getName());
@@ -1212,7 +1212,15 @@ public class XmlFileInterface
 	            		{
 	            			newAction.setParameter2(tag);
 	            		}
-            		}
+
+
+						androidx.security.crypto.MasterKey.Builder
+
+						MasterKey mainKey = new MasterKey.Builder(context)
+								.setKeyScheme(MasterKey.KeyScheme.AES256_GCM)
+								.build();
+
+					}
             	}
 				else if(newAction.getAction().equals(Action_Enum.startOtherActivity))	// separator has been changed, convert in old files
 				{