How do we reconcile this "Officers may examine the phone’s physical aspects to ensure that it will not be used as a weap on, but the data on the phone can endanger no one." along with the notion that encryption algorithms are considered munitions worthy of export restrictions?
With the recognition that the export restrictions are based on potential military application by a nation-state adversary which may require time and other hardware and software to realize and that the permission to search for weapons incident to arrest centers around immediate physical danger to the arresting officer and others from the item itself, so the two things are not concerned with even remotely the same cons…
This is the only response to my question that seems solid.