fixed bug with hmac still being used for connecting in coordinator configurator after clearing key

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)
 

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

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