hash.js

const crypto = require('crypto');

// Generate salt from player name
let hasher = crypto.createHash('sha1');
let salt = hasher.update(name).digest('base64');

// Generate pbkdf2 hash from ID using generated salt
crypto.pbkdf2(id, new Buffer(salt), 1000, 24, 'sha1', (err, key) => {
  let passwordHash = key.toString('hex');
});