A Hitchhiker's Guide to MeshCore Cryptography

I&rsquo;ve been playing around a lot with MeshCore , a peer-to-peer, encrypted, routed radio network run by average citizens using LoRa modulation in unlicensed sub-gig bands (902-927MHz ISM band in the US). It&rsquo;s very similar to Meshtastic, but a lot less chatty (pull-not-push messaging, with conservative advertisement intervals), and thus a lot more reliable at passing messages (although…