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.
Diff: Factory.cpp
- Revision:
- 6:b6bafd0a7013
- Parent:
- 2:e67d29a371db
- Child:
- 7:e24f0b29f1f7
--- a/Factory.cpp Wed Apr 20 20:13:33 2016 +0000 +++ b/Factory.cpp Thu May 12 14:40:14 2016 -0500 @@ -34,18 +34,24 @@ #include "Factory.hpp" #include "SensorNode.hpp" #include "common.hpp" -#include "OneWire_Masters/DS2465/DS2465.hpp" -#include "OneWire_Memory/Authenticators/DS28E15_22_25/DS28E15_22_25.hpp" -#include "mbed.h" +#include "Masters/DS2465/DS2465.h" +#include "Authenticators/DS28E15_22_25/DS28E15_22_25.h" +#include "wait_api.h" -const std::uint8_t Factory::masterSecret[] = { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x21, +using OneWire::Masters::OneWireMaster; +using OneWire::Masters::DS2465; +using OneWire::OneWireSlave; +using OneWire::Authenticators::DS28E15_22_25; +using OneWire::Authenticators::ISha256MacCoproc; + +const uint8_t Factory::masterSecret[] = { 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, 0x18, 0x19, 0x1A, 0x1B, 0x1C, 0x1D, 0x1E, 0x1F, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, 0x28, 0x29, 0x2A, 0x2B, 0x2C, 0x2D, 0x2E, 0x2F, 0x31, 0x32 }; -const std::uint8_t Factory::invalidMasterSecret[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, +const uint8_t Factory::invalidMasterSecret[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 }; bool Factory::provision(DS2465 & ds2465) { - bool result = (ds2465.setMasterSecret(masterSecret) == ISha256MacCoprocessor::Success); + bool result = (ds2465.setMasterSecret(masterSecret) == ISha256MacCoproc::Success); if (result) { SensorNode::AuthData authData; @@ -124,7 +130,7 @@ result = (sensorNode.ds28e15_22_25.computeSecret(sensorNode.authData.pageNum, false) == OneWireSlave::Success); // Configure slave secret on DS2465 if (result) - result = (DS28E15_22_25::computeNextSecret(sensorNode.ds2465, pageData, sensorNode.authData.pageNum, partialSecret, sensorNode.ds28e15_22_25.romId, sensorNode.ds28e15_22_25.manId) == ISha256MacCoprocessor::Success); + result = (DS28E15_22_25::computeNextSecret(sensorNode.ds2465, pageData, sensorNode.authData.pageNum, partialSecret, sensorNode.ds28e15_22_25.romId, sensorNode.ds28e15_22_25.manId) == ISha256MacCoproc::Success); // Select device through Skip ROM if (result) result = (sensorNode.ds2465.OWSkipROM() == OneWireMaster::Success); @@ -139,7 +145,7 @@ { DS28E15_22_25::Segment blankSegment; std::memset(blankSegment, SensorNode::defaultPaddingByte, blankSegment.length); - for (std::size_t i = 0; i < DS28E15_22_25::segmentsPerPage; i++) + for (size_t i = 0; i < DS28E15_22_25::segmentsPerPage; i++) { result = (sensorNode.ds2465.OWSkipROM() == OneWireMaster::Success); if (result) @@ -185,7 +191,7 @@ result = (sensorNode.ds28e15_22_25.computeSecret(sensorNode.authData.pageNum, false) == OneWireSlave::Success); // Configure slave secret on DS2465 if (result) - result = (DS28E15_22_25::computeNextSecret(sensorNode.ds2465, pageData, sensorNode.authData.pageNum, partialSecret, sensorNode.ds28e15_22_25.romId, sensorNode.ds28e15_22_25.manId) == ISha256MacCoprocessor::Success); + result = (DS28E15_22_25::computeNextSecret(sensorNode.ds2465, pageData, sensorNode.authData.pageNum, partialSecret, sensorNode.ds28e15_22_25.romId, sensorNode.ds28e15_22_25.manId) == ISha256MacCoproc::Success); return result; } \ No newline at end of file