Maxim Integrated / Mbed 2 deprecated DeepCover Embedded Security in IoT

MAXREFDES143#: DeepCover Embedded Security in IoT Authenticated Sensing & Notification

Dependencies:   MaximInterface mbed

The MAXREFDES143# is an Internet of Things (IoT) embedded security reference design, built to protect an industrial sensing node by means of authentication and notification to a web server. The hardware includes a peripheral module representing a protected sensor node monitoring operating temperature and remaining life of a filter (simulated through ambient light sensing) and an mbed shield representing a controller node responsible for monitoring one or more sensor nodes. The design is hierarchical with each controller node communicating data from connected sensor nodes to a web server that maintains a centralized log and dispatches notifications as necessary. The mbed shield contains a Wi-Fi module, a DS2465 coprocessor with 1-Wire® master function, an LCD, LEDs, and pushbuttons. The protected sensor node contains a DS28E15 authenticator, a DS7505 temperature sensor, and a MAX44009 light sensor. The mbed shield communicates to a web server by the onboard Wi-Fi module and to the protected sensor node with I2C and 1-Wire. The MAXREFDES143# is equipped with a standard shield connector for immediate testing using an mbed board such as the MAX32600MBED#. The simplicity of this design enables rapid integration into any star-topology IoT network requiring the heightened security with low overhead provided by the SHA-256 symmetric-key algorithm.

More information about the MAXREFDES143# is available on the Maxim Integrated website.

--- a/WebServerInterface.cpp	Tue Apr 19 10:08:27 2016 -0500
+++ b/WebServerInterface.cpp	Tue Apr 19 21:20:52 2016 +0000
@@ -42,6 +42,7 @@
 const char WebServerInterface::wifiSsid[] = "WifiSsid";
 const char WebServerInterface::wifiPassword[] = "WifiPassword";
 const char WebServerInterface::serverAddress[] = "website.com";
+const unsigned int WebServerInterface::serverPort = 80;
 const char WebServerInterface::serverPostPath[] = "/post.php";
 const char WebServerInterface::serverChallengePath[] = "/challenge.php";
 
@@ -301,7 +302,7 @@
       }
       
       // Post sensor data
-      result = (esp8266.openConnection(ESP8266::TCP, serverAddress, 80) == ESP8266::AT_OK);
+      result = (esp8266.openConnection(ESP8266::TCP, serverAddress, serverPort) == ESP8266::AT_OK);
       if (result)
       {
         result = (esp8266.sendData(formatHttpPost(serverAddress, serverPostPath, sessionId, macCoproc, event, postData, challenge)) == ESP8266::AT_OK);