base64.ino

// base64 encoding and decoding example on ESP32 Arudino
// using the built-in libb64 libraries
//
// ~/Documents/Arduino/hardware/espressif/esp32/cores/esp32/libb64/cdecode.h
// ~/Documents/Arduino/hardware/espressif/esp32/cores/esp32/libb64/cencode.h

#include "libb64/cdecode.h"
#include "libb64/cencode.h"

void setup() {
  const char* msg = "Hello World";

  // encode
  char encstr[base64_encode_expected_len(strlen(msg))];
  int enclen = base64_encode_chars(msg, strlen(msg), encstr);
  printf("Encoded: %s\n", encstr);

  // decode
  char decstr[base64_decode_expected_len(strlen(encstr))];
  int declen = base64_decode_chars(encstr, strlen(encstr), decstr);
  printf("Decoded: %s\n", decstr);
}

void loop() {}