Visualising sensors and coffee machines with ESP8266, MQTT, InfluxDB and Grafana http://upflow.co/l/fpXQ pic.twitter.com/ejLd6oW9dO
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I am already using it to update my 700+ ESP device on the field and it works smoothly.
Using what kind of protection mechanism against unwanted modification of the binary on the wire?
I use to send the metadata and other binary related information from smap server and ESP gets to know to if the binary has to be download.
So, no protection at all, you're saying? An attacker with network access can just execute arbitrary code?
At least there is a new library which does ED25519 validation for new firmware binaries...
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