Kripto - 23.3.

var crypto = require('crypto');
const algorithm = 'aes-128-ecb';
//const algorithm = 'aes-128-cbc';


function encrypt(key, iv, plaintext) { // IV is ignored in ECB mode
    var cipher = crypto.createCipheriv(algorithm, key, iv);
    cipher.setAutoPadding(false); // IMPORTANT: By default OpenSSL uses PKCS#7 padding.   (http://www.di-mgt.com.au/cryptopad.html)
    var ciphertext = Buffer.concat([cipher.update(plaintext), cipher.final()]);
    return ciphertext;
}


function decrypt(key, iv, ciphertext) {
    var decipher = crypto.createDecipheriv(algorithm, key, iv);
    decipher.setAutoPadding(false); // IMPORTANT: By default OpenSSL uses PKCS#7 padding.
    var plaintext = Buffer.concat([decipher.update(ciphertext), decipher.final()]);
    return plaintext;
}

var plaintext = new Buffer("OvoJeSkrivenTxt1OvoJeSkrivenTxt2", "utf8");
console.log("Plaintext: ", plaintext.toString());

var salt = "Ovo je moja sol.";
crypto.pbkdf2("hunter2", salt, 60000, 16, "sha256", function(err, key){
    console.log("Key:       ", key);
    var ciphertext = encrypt(key, iv, plaintext);
    console.log("Encrypted: ", ciphertext);

    var decryptedtext = decrypt(key, iv, ciphertext);
    console.log("Decrypted: ", decryptedtext.toString());
});
//var key = crypto.randomBytes(16);


var iv = new Buffer("");
//console.log("IV: ", iv);

/*
console.log("Key:       ", key);


var ciphertext = encrypt(key, iv, plaintext);
console.log("Encrypted: ", ciphertext);

var decryptedtext = decrypt(key, iv, ciphertext);
console.log("Decrypted: ", decryptedtext.toString());
*/