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Does ESP8266 support SSL to retrieve data from HTTPS sites?

PostPosted: Tue Jun 30, 2015 5:14 am
by helpme
Can the ESP8266 support HTTPS websites? Does the Espressif SDK support SSL function?

Re: Does ESP8266 support SSL to retrieve data from HTTPS sit

PostPosted: Tue Jun 30, 2015 4:51 pm
by Angelo Santagata
Alas I no, but I happened to see this ESP8266 SSL Example on their website!
http://bbs.espressif.com/viewtopic.php?f=21&t=389


hopefully someone can port it to the SDK

EDIT :

Looking at this githib issue https://github.com/esp8266/Arduino/issues/43 it might be that the standard Arduino SDK supports SSL!!!

Give it a whirl and let us know

Re: Does ESP8266 support SSL to retrieve data from HTTPS sit

PostPosted: Wed Jul 29, 2015 7:35 pm
by abl
SSL works. Sort of.

It is not in the Arduino-based SDK yet.

Depending on your point release of the IoT SDK, and whether you patched libssl, and what SSL handshake your server supports, you MIGHT be able to connect via SSL.

However, libssl is based on AxTLS, and AxTLS caps out at TLSv1.1 - and TLSv1.2 is the current/modern version. "Luckily" lots of popular devices and browsers require TLSv1.1 so you're ok for now.