poa-dapps-keys-generation/src/addressGenerator.js

import keythereum from "keythereum";
import passwordGenerator from "password-generator";

export default function generateAddress(cb) {
  return new Promise((resolve, reject) => {
    var params = { keyBytes: 32, ivBytes: 16 };

    keythereum.create(params, function(dk) {
      var options = {};
      var password = passwordGenerator(20, false);
      keythereum.dump(
        password,
        dk.privateKey,
        dk.salt,
        dk.iv,
        options,
        function(jsonStore) {
          resolve({ jsonStore, password });
        }
      );
    });
  });
}