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.

Revision:
8:594529956266
Parent:
6:b6bafd0a7013
Child:
9:bc3d211d75ce
--- a/SensorNode.hpp	Fri May 13 14:54:04 2016 -0500
+++ b/SensorNode.hpp	Sat May 14 14:28:31 2016 -0500
@@ -45,7 +45,7 @@
 namespace OneWire
 {
   class RomId;
-  namespace Masters { class DS2465; }
+  class DS2465;
 }
 namespace mbed { class I2C; }
 
@@ -65,7 +65,7 @@
   /// @param ds7505_i2c_addr I2C bus address of the DS7505 in mbed format.
   /// @param max44009_i2c_addr I2C bus address of the MAX44009 in mbed format.
   /// @param ds2465 Interface to DS2465 on the Controller.
-  SensorNode(mbed::I2C & i2c, uint8_t ds7505_i2c_addr, uint8_t max44009_i2c_addr, OneWire::Masters::DS2465 & ds2465);
+  SensorNode(mbed::I2C & i2c, uint8_t ds7505_i2c_addr, uint8_t max44009_i2c_addr, OneWire::DS2465 & ds2465);
   
   /// Detect if an authentic Sensor Node is connected.
   /// @param userEntropy Additional entropy to supply to the RNG.
@@ -97,7 +97,7 @@
   struct AuthData
   {
     static const uint8_t initialFilterLife = 100;
-    OneWire::Authenticators::DS28E15_22_25::Segment segment;
+    OneWire::DS28E15_22_25::Segment segment;
     uint8_t & filterLife;
     unsigned int pageNum, segmentNum;
     
@@ -126,10 +126,10 @@
   AuthData authData;
   
   // Hardware interfaces
-  OneWire::Authenticators::DS28E15_22_25 ds28e15_22_25; ///< DS28E15 for authentication.
+  OneWire::DS28E15_22_25 ds28e15_22_25; ///< DS28E15 for authentication.
   DS7505 ds7505; ///< DS7505 temperature sensor.
   MAX44009 max44009; ///< MAX44009 optical light sensor.
-  OneWire::Masters::DS2465 & ds2465; ///< Interface to DS2465 on Controller.
+  OneWire::DS2465 & ds2465; ///< Interface to DS2465 on Controller.
   
   /// Initialize sensors for measurement.
   /// @returns True on success.