From f207a950e4e5d7b37b500f97b9687f5d4ddf8d98 Mon Sep 17 00:00:00 2001
From: Mikayla Fischler <mikayla@ky8.io>
Date: Thu, 22 Feb 2024 19:25:55 -0500
Subject: [PATCH] fixed bug with hmac still being used for connecting in
 coordinator configurator after clearing key

---
 coordinator/configure.lua | 2 +-
 scada-common/network.lua  | 5 +++++
 scada-common/util.lua     | 2 +-
 3 files changed, 7 insertions(+), 2 deletions(-)

diff --git a/coordinator/configure.lua b/coordinator/configure.lua
index 25dc93b..7c3fe58 100644
--- a/coordinator/configure.lua
+++ b/coordinator/configure.lua
@@ -469,7 +469,7 @@ local function config_view(display)
             key_err.hide(true)
 
             -- init mac for supervisor connection
-            if string.len(v) >= 8 then network.init_mac(tmp_cfg.AuthKey) end
+            if string.len(v) >= 8 then network.init_mac(tmp_cfg.AuthKey) else network.deinit_mac() end
 
             main_pane.set_value(3)
 
diff --git a/scada-common/network.lua b/scada-common/network.lua
index 742f418..bdaf5c3 100644
--- a/scada-common/network.lua
+++ b/scada-common/network.lua
@@ -53,6 +53,11 @@ function network.init_mac(passkey)
     return init_time
 end
 
+-- de-initialize message authentication system
+function network.deinit_mac()
+    c_eng.key, c_eng.hmac = nil, nil
+end
+
 -- generate HMAC of message
 ---@nodiscard
 ---@param message string initial value concatenated with ciphertext
diff --git a/scada-common/util.lua b/scada-common/util.lua
index 00d6e24..308bb69 100644
--- a/scada-common/util.lua
+++ b/scada-common/util.lua
@@ -22,7 +22,7 @@ local t_pack   = table.pack
 local util = {}
 
 -- scada-common version
-util.version = "1.1.15"
+util.version = "1.1.16"
 
 util.TICK_TIME_S = 0.05
 util.TICK_TIME_MS = 50