update readme.md

2021-02-15 15:14:41 -06:00 · 2021-02-15 15:14:41 -06:00 · 2289b21a9b
parent a13dc3b648
commit 2289b21a9b
1 changed files with 10 additions and 0 deletions
--- a/readme.md
+++ b/readme.md
@ -0,0 +1,10 @@
+# c2 - Command and control #
+
+## mqtts ca certificates ##
+
+- combine root authority certificate and intermediary certificates into one `.pem` file
+`cat rootcert.pem intermediarycert.pem > cacert.pem`
+
+## mqtt topic structure ##
+
+`<major scope>/<minor scope>/<type of device>/<device>/<specific topic>`