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Creating a ECDSA signature for a JWT to use on Google IoT Core connections

Posted: Wed Dec 19, 2018 8:37 am
by WizKid32

I am currently working on a project that requires the GCP IoT Cloud Core services and I need help generating the JWT signature using ECDSA. I am aware that the ESP32 has embedded tools at its disposal to help, including the ecdsa.h file. My problem is just that I have no idea as to how to use the tool to sign the JWT token.

Any help will be greatly appreciated.