TLS v1.2 or fallback to TLS v1.1

rith87

TLS v1.2 or fallback to TLS v1.1

Postby rith87 » Wed Feb 10, 2016 5:23 pm

Hello,

First, 新年快乐!And once again, thanks to the staff at Espressif and the ESP community for making such rapid progress.

I'd just like to understand what is the game plan for handling servers that have TLS 1.2 enabled. It seems like the ESP8266 does not handle this scenario well.

1. The ESP8266 does not handle TLS 1.2 (viewtopic.php?t=1639) but the ESP8266 handles TLS 1.0 ok (on https://aws.amazon.com/)
2. The most obvious question is will the ESP SDK support TLS 1.2? It seems like some folks solved this problem using mbedTLS instead of axTLS (https://github.com/SuperHouse/esp-open-rtos). Will Espressif make the switch? If not, why? Memory footprint?
3. If not, will the ESP SDK support some kind of graceful fallback to TLS 1.1? Or TLS 1.0 ? (Instead of just saying client's data invalid protocol :()

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