7-STM32 things development WIFI (ESP8266) + GPRS (Air202) system security papers scheme (GPRS module SSL connection the MQTT)

6-STM32 things development WIFI (ESP8266) + GPRS (Air202) system security papers scheme (Wi-Fi module SSL connection the MQTT)

 

Because GPRS and GPRS base station is connected directly, in fact, for GPRS, even without SSL also quite safe, for we ordinary people are not monitoring data of GPRS

In order to ensure a safer point, so let's add SSL

This section of the test code is used to upgrade articles inside this Code

 

 

 Look at the easiest way to achieve SSL

No need to add a certificate directly connected to the security mode settings 8883 ports have secure communications

Please modify according to their own

 

 Then download the source code development board can be, I can not test data because the data itself GPRS Ha .... I do not know how to monitor

I can only see the printed journal, see if there is a connection

 

 Another way to download the certificate into