/* ESP32 AES Test Sketch
   Expected output: 95756f7b78e353664d84abc5397df69a
*/

#include "mbedtls/aes.h"

const char *key = "Wokwi-AES128-Key";
const char *secretMessage = "SecretMessage123";

void setup() {
  mbedtls_aes_context aes;
  const uint32_t bits = strlen(key) * 8;
  unsigned char encrypted[16];

  Serial.begin(115200);

  mbedtls_aes_init(&aes);
  mbedtls_aes_setkey_enc(&aes, (uint8_t*)key, bits);
  mbedtls_aes_crypt_ecb(&aes, MBEDTLS_AES_ENCRYPT, (uint8_t*)secretMessage, encrypted);
  mbedtls_aes_free(&aes);

  Serial.print("Encrypted: ");
  for (int i = 0; i < sizeof(encrypted); i++) {
    char buf[3];
    sprintf(buf, "%02x", encrypted[i]);
    Serial.print(buf) ;
  }
  Serial.println();
}

void loop() {}