#include <Crypto.h>
#include <Curve25519.h>
#include <RNG.h>



struct Key
{
  uint8_t pub[32];
  uint8_t prvt[32];
  uint8_t sk[32];
}key;

const char hexMap[] PROGMEM = "0123456789abcdef";
// String hash(uint8_t a[])
// {
//   return "";
// }



void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");

  //RNG.begin("TestCurve25519 1.0");
}

int cnt=0;
void loop() {
  // put your main code here, to run repeatedly:
  delay(10); // this speeds up the simulation

  cnt++;
  Curve25519::dh1(key.pub, key.prvt);

  //hash(key.pub);

  String pu, pr;
  for(int i=0; i<32; i++)
  {
    pu += ((char)pgm_read_byte(hexMap + (key.pub[i] >> 4)));
    pu += ((char)pgm_read_byte(hexMap + (key.pub[i] & 0xf)));

    pr += ((char)pgm_read_byte(hexMap + (key.prvt[i] >> 4)));
    pr += ((char)pgm_read_byte(hexMap + (key.prvt[i] & 0xf)));
  }

  Serial.print("Prtvate Key ");
  Serial.print(cnt);
  Serial.print(": ");
  Serial.println(pr);
  Serial.print("Public Key ");
  Serial.print(cnt);
  Serial.print(" : ");
  Serial.println(pu);

  Serial.println();
  Serial.println();
}