* setting up framework for Regions, TransportKeys, etc

src/helpers/TransportKeyStore.h

@@ -0,0 +1,23 @@
+#pragma once
+
+#include <Arduino.h>   // needed for PlatformIO
+#include <Packet.h>
+#include <helpers/IdentityStore.h>
+
+struct TransportKey {
+  uint8_t key[16];
+
+  uint16_t calcTransportCode(const mesh::Packet* packet) const;
+};
+
+#define MAX_TKS_ENTRIES   16
+
+class TransportKeyStore {
+  uint16_t     cache_ids[MAX_TKS_ENTRIES];
+  TransportKey cache_keys[MAX_TKS_ENTRIES];
+  int num_cache;
+
+public:
+  TransportKeyStore() { num_cache = 0; }
+  int loadKeysFor(const char* name, uint16_t id, TransportKey keys[], int max_num);
+};