From 2289b21a9b087af6722b22f3f64a1f28792f63d1 Mon Sep 17 00:00:00 2001
From: Bryan <bryan@tnet.space>
Date: Mon, 15 Feb 2021 15:14:41 -0600
Subject: [PATCH] update readme.md

---
 readme.md | 10 ++++++++++
 1 file changed, 10 insertions(+)

diff --git a/readme.md b/readme.md
index e69de29..ee7524f 100644
--- 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>`