Encoding, Hashing, Salting, Encryption

index.js

/**
 * Encoding
 */
const text = 'This is a sentence.';
const buf = Buffer.from(text);
console.log({
  text,
  base64: buf.toString('base64'),
  hex: buf.toString('hex'),
  url: encodeURIComponent(text)
});

/**
 * Hashing
 */
const crypto = require('crypto');
const data = 'This is our input data. It can be really, really long and that is OK!';
console.log({
  data,
  sha1: crypto.createHash('sha1').update(data).digest('base64'),
  sha256: crypto.createHash('sha256').update(data).digest('base64'),
  md5: crypto.createHash('md5').update(data).digest('base64')
});

/**
 * Salting + Hashing with bcrypt
 */
const bcrypt = require('bcrypt');
const password = 'Sup3rS3creT!';
console.log({
  password,
  encrypted: bcrypt.hashSync(password, 14)
});