diff --git a/scripts/mkimage b/scripts/mkimage
index 7868b19fc5..95344f4ce3 100755
--- a/scripts/mkimage
+++ b/scripts/mkimage
@@ -328,6 +328,10 @@ fi # bootloader
         $PROJECT_DIR/$PROJECT/config/ovf.template > ${DISK_BASENAME}.ovf
     # combine ovf and vmdk into official ova
     tar -C $TARGET_IMG -cf ${DISK_BASENAME}.ova ${IMAGE_NAME}.ovf ${IMAGE_NAME}.vmdk
+    # create sha256 checksum of ova image
+    ( cd $TARGET_IMG
+      sha256sum ${IMAGE_NAME}.ova > ${IMAGE_NAME}.ova.sha256
+    )
     echo "image: cleaning up..."
     # remove tmp $DISK, vmdk and ovf
     rm ${DISK_BASENAME}.tmp ${DISK_BASENAME}.vmdk ${DISK_BASENAME}.ovf
@@ -343,6 +347,10 @@ fi # bootloader
   if [ -n "$SUDO_USER" ] ; then
     chown $SUDO_USER: $DISK.gz
   fi
+  # create sha256 checksum of image
+  ( cd $TARGET_IMG
+    sha256sum $(basename $DISK).gz > $(basename $DISK).gz.sha256
+  )
 
 # cleanup
   cleanup