Refactor trustConnection function to use getTrustKey instead of getPassword for improved security

sys/apps/network/trust.lua

@@ -25,11 +25,11 @@ end
 local function trustConnection(socket)
 	local data = socket:read(2)
 	if data then
-		local password = Security.getPassword()
-		if not password then
+		local trustKey = Security.getTrustKey()
+		if not trustKey then
 			socket:write({ msg = 'No password has been set' })
 		else
-			if validateData(data, password, socket.dhost) then
+			if validateData(data, trustKey, socket.dhost) then
 				print("Accepted trust from " .. socket.dhost)
 				socket:write({ success = true, msg = 'Trust accepted' })
 				return