Add software AT secure element support #253
Merged
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This library needs a new uno-r4-wifi-usb-bridge release and depends on arduino/uno-r4-wifi-usb-bridge#30
The library uses the WiFi module as a "Secure" Element sending and receiving data through AT serial interface. It only supports basic elliptic p256r1 curve operations.
All data is sent and received as plaintext.
On the module side all operations are implemented using mbedtls software functions. Data is stored inside module NVS using the "se" namespace.
All data is stored as plaintext.