     Serial.print("Shared secrets are identical\n");
   }
 }
-

#include <uECC.h>

extern "C" {

static int RNG(uint8_t *dest, unsigned size) {
  // Use the least-significant bits from the ADC for an unconnected pin (or connected to a source of 

  // NOTE: it would be a good idea to hash the resulting random data using SHA-256 or similar.
  return 1;
}

void setup() {
  Serial.begin(115200);
