Please use this project instead: https://github.com/kakopappa/esp8266-aes-cbc-encryption-decryption
Lib for https://github.com/kakopappa/arduino-esp8266-aes-encryption-with-nodejs
#include <AESLib.h>
AESLib aesLib;
void setup() {
Serial.begin(115200);
Serial.println("\nBooting...");
byte key[] = { 0x2B, 0x7E, 0x15, 0x16, 0x28, 0xAE, 0xD2, 0xA6, 0xAB, 0xF7, 0x15, 0x88, 0x09, 0xCF, 0x4F, 0x3C };
// put your setup code here, to run once:
byte my_iv[N_BLOCK] = { 0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0};
aesLib.gen_iv(my_iv);
Serial.println("AES Key: ");
int i;
for (i = 0; i < sizeof(my_iv); i++)
{
Serial.print(my_iv[i], DEC);
Serial.print(",");
}
Serial.println("");
String msg = "i like dogs";
unsigned long ms = micros ();
String encMsg = aesLib.encrypt(msg, key, my_iv);
Serial.print("Encryption took: ");
Serial.println(micros() - ms);
Serial.println("encMsg: " + encMsg);
///aesLib.decrypt(encMsg, key, my_iv);
}
void loop() {
// put your main code here, to run repeatedly:
}