Security over MQTT using encryption



Ok. I am also testing MQTT connection to Google cloud. Will update if i find any luck.


Thanks. I was wondering how does SIM800 do server authentication? Does it have any certificate installed in it?


I read somewhere that it uses some default certificates for this to do HTTP over SSL.
Not sure how to check them though.


@RaviPujar Did you try AWS certificates with SIM 800 module?


No, i havent tried AWS MQTT yet.


Hi all. The AT+SSLSETCERT command seems to require a password - any idea how to set it or retrieve it after setting a custom SSL certificate?

I have been able to write the certificate file to the memory of the SIM800L but not getting success when I try to import the the certificate. Any ideas?



Any Updates Sir,
I am using Sim900a with arduino but not able to connect to Google cloud core.
For MQTT, it needs TLS 1.2 but Sim900a has specification of TLS 1.0
Please suggest me if I need to change hardware, I am currently prototyping.


Hi Deepak,
No didnt get time yet.


hi @shruti_fiske did you try AWS I could not get connected to AWS via TCP post if any solutions
@RaviPujar @Ravi_Pujar_GMAIL