You will still be required to hand it over, or sit in jail while your confiscated, inventoried equipment is processed by forensics. If I want to be subpoena proof, I’d host the subject system outside the jurisdiction with an org having no connection or nexus in the adversary jurisdiction. Admittedly, this is up to your threat model. Do you want to know, but still be legally required to provide access? Or do you want to be out of reach entirely? The answer to that will guide your implementation and operating model in this context.