// import AES encryption library
//#include "AESLib.h"

// import base64 conversion library
//#include "arduino_base64.hpp"

// declare a global AESLib object
//AESLib aesLib;
unsigned char sum[3]={2,4,3};
unsigned char sum1[4]={2,4,3,5};
unsigned char sum2[3]={2,5,3};
void setup() {
    // begin the bit per second communication speed
    // between Arduino and computer for serial port monitoring
    Serial.begin(115200);
    
    

    Serial.println(memcmp(sum, sum1,4));
    Serial.println(memcmp(sum, sum2,3));

}

void loop() {
    // put your main code here, to run repeatedly:
}