const crypto = require('crypto');
let key = Buffer.from('MYKEY', 'utf8');
const cipher = crypto.createCipher('des-ede3-cbc', key);
password = Buffer.from('MYPASS', 'utf8');

let encrypted = [cipher.update(password)];
encrypted.push(cipher.final());
encrypted = Buffer.concat(encryptedArr);
console.log(encrypted.toString('hex'));