Shut down the VM;
Locate the path where the VM is stored; Run the following command to get the signature:
sha1sum <vm-name.vdi>
After obtaining the key, we need to create the file signature.txt
echo <signature_key> > signature.txt
Copy this file to your intra repository
Warning
Clone the VM to avoid changing the obtained signature.
For tests or training allways use the cloned VM.
