This idea could be applied more broadly to the device itself. i.e- unlock the phone with the NFC tag and it opens to your regular home screen, all apps and data accessible, etc. Unlock it with a passcode only (as if forced to do so by authorities), and it opens to a basic screen with minimal apps that you don't even use.
This would seem to be a trivial undertaking for a GrapheneOS dev to come up with
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Would it make sense to do this in a pre-High Level OS environment such as UEFI to then allow a boot path with one session or another depending on if the the NFC tag was authenticated only during that boot attempt?
I wonder if this is already possible with user profiles on Graphene OS. If the authorities aren't aware of the way to switch users...you can probably just create user profile with a bare bones setup (normie apps and home screen) that don't actually log you into anything.
Yeah, it's possible to boot the phone into a bare Owner profile and then use the Guest profile for real, but this is simple enough for authorities to figure out because it's literally in the settings menu.
