Figure 4 describe the security process start, based on the virtual machine. BIOS is responsible for the integrity of the first sectors of Grub, the code of Unseal blob keep up with Grub_Loader, the integrity of its code is measured by the latter, which is used to release the part of Grub code sealed. once this part of the code was released , measuring the integrity of the start of VMM start. Once the VMM start, it measures the integrity of the Domaini.a Domaini includes operation Systems and the mirror of applications.